:root{
  --bg:#F6F7FD;
  --surface:#FFFFFF;
  --indigo:#4F46E5;
  --indigo-deep:#3C2FC9;
  --violet:#7C3AED;
  --amber:#F59E0B;
  --coral:#FB6B4C;
  --green:#16A34A;
  --green-soft:#E9F9EF;
  --ink:#15172E;
  --ink-soft:#5C6080;
  --line:#E7E8F5;
  --line-soft:#F0F1FA;
  --display:'Sora', sans-serif;
  --body:'Inter', sans-serif;
  --mono:'JetBrains Mono', monospace;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  line-height:1.55;
}
img,svg{display:block;}
a{color:inherit;}
::selection{background:var(--amber); color:var(--ink);}
.gradtext{background:linear-gradient(100deg,var(--indigo) 0%, var(--violet) 50%, var(--coral) 100%); -webkit-background-clip:text; background-clip:text; color:transparent;}

/* NAV */
header.site{position:sticky; top:0; z-index:50; background:rgba(246,247,253,0.85); backdrop-filter:blur(10px); border-bottom:1px solid var(--line);}
nav{display:flex; align-items:center; justify-content:space-between; padding:16px 28px; max-width:1180px; margin:0 auto;}
.logo{display:flex; align-items:center; gap:10px; font-family:var(--display); font-weight:800; font-size:1.28rem; letter-spacing:-0.01em;}
.logo .mark{width:36px; height:36px; border-radius:10px; background:linear-gradient(135deg,var(--indigo),var(--violet)); display:flex; align-items:center; justify-content:center; color:#fff; font-family:var(--display); font-weight:800; font-size:0.95rem; flex-shrink:0; box-shadow:0 6px 16px rgba(79,70,229,0.35);}
.navlinks{display:flex; gap:18px; list-style:none; font-size:0.86rem; font-weight:600;}
.navlinks a{text-decoration:none; color:var(--ink-soft); transition:.15s; white-space:nowrap;}
.navlinks a:hover{color:var(--indigo);}
.navcta{display:flex; gap:10px; align-items:center;}
.btn{font-family:var(--body); font-weight:700; font-size:0.88rem; padding:10px 20px; border-radius:10px; border:1.5px solid var(--line); background:var(--surface); color:var(--ink); cursor:pointer; transition:.18s; white-space:nowrap;}
.btn:hover{border-color:var(--indigo); color:var(--indigo); transform:translateY(-1px);}
.btn.primary{background:linear-gradient(135deg,var(--indigo),var(--violet)); border-color:transparent; color:#fff; box-shadow:0 8px 20px rgba(79,70,229,0.3);}
.btn.primary:hover{filter:brightness(1.08); color:#fff; transform:translateY(-2px);}
.btn.amber{background:linear-gradient(135deg,var(--amber),#FB923C); border-color:transparent; color:#1A1200; box-shadow:0 8px 20px rgba(245,158,11,0.3);}
.btn.amber:hover{filter:brightness(1.05); transform:translateY(-2px); color:#1A1200;}
.btn.danger{background:transparent; border-color:#FCA5A5; color:#DC2626;}
.btn.danger:hover{background:#FEF2F2; border-color:#DC2626; color:#B91C1C;}
.btn.danger.solid{background:linear-gradient(135deg,#DC2626,#B91C1C); border-color:transparent; color:#fff; box-shadow:0 8px 20px rgba(220,38,38,0.3);}
.btn.danger.solid:hover{filter:brightness(1.08); color:#fff; transform:translateY(-2px);}
.btn.small{padding:7px 14px; font-size:0.78rem; border-radius:8px;}
.btn.ghost{background:transparent;}
.menubtn{display:none; background:none; border:none; font-size:1.4rem; cursor:pointer;}

/* HERO */
.hero{position:relative; padding:80px 28px 60px; overflow:hidden;}
.hero::before{content:""; position:absolute; top:-180px; right:-160px; width:520px; height:520px; border-radius:50%; background:radial-gradient(circle,rgba(124,58,237,0.18),transparent 70%); z-index:0;}
.hero::after{content:""; position:absolute; bottom:-200px; left:-160px; width:480px; height:480px; border-radius:50%; background:radial-gradient(circle,rgba(251,107,76,0.16),transparent 70%); z-index:0;}
.hero-inner{position:relative; z-index:1; max-width:1180px; margin:0 auto; display:grid; grid-template-columns:1.05fr 0.95fr; gap:50px; align-items:center;}
@media(max-width:960px){.hero-inner{grid-template-columns:1fr;}}
.hero-right{display:flex; flex-direction:column; align-self:flex-start;}
.eyebrow-pill{display:inline-flex; align-items:center; gap:8px; background:var(--surface); border:1px solid var(--line); padding:7px 14px 7px 8px; border-radius:30px; font-size:0.8rem; font-weight:600; color:var(--ink-soft); margin-bottom:22px; box-shadow:0 4px 14px rgba(21,23,46,0.05);}
.eyebrow-pill .dot{width:8px; height:8px; border-radius:50%; background:var(--green); box-shadow:0 0 0 4px var(--green-soft);}
.hero h1{font-family:var(--display); font-size:clamp(2.4rem,4.6vw,3.6rem); font-weight:800; line-height:1.08; letter-spacing:-0.02em;}
.hero p.lead{margin-top:20px; font-size:1.1rem; color:var(--ink-soft); max-width:540px;}
.hero-actions{display:flex; gap:14px; margin-top:30px; flex-wrap:wrap;}
.hero-stats{display:flex; gap:30px; margin-top:38px; flex-wrap:wrap;}
.hero-stats div b{display:block; font-family:var(--mono); font-size:1.5rem; font-weight:700; color:var(--ink);}
.hero-stats div span{font-size:0.8rem; color:var(--ink-soft);}

/* hero visual: floating dashboard mockup */
.hero-visual{position:relative; height:420px;}
.float-card{position:absolute; background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:18px 20px; box-shadow:0 16px 40px rgba(21,23,46,0.1); animation:floaty 5s ease-in-out infinite;}
.float-card.c1{top:0; left:10%; width:230px; animation-delay:0s;}
.float-card.c2{top:170px; right:0; width:200px; animation-delay:1s;}
.float-card.c3{bottom:10px; left:0; width:250px; animation-delay:2s;}
.float-card .tag{font-family:var(--mono); font-size:0.65rem; text-transform:uppercase; letter-spacing:0.06em; color:var(--indigo); margin-bottom:8px; font-weight:600;}
.float-card .big{font-family:var(--display); font-weight:800; font-size:1.7rem;}
.float-card .small{font-size:0.78rem; color:var(--ink-soft); margin-top:2px;}
.ring{width:54px; height:54px; border-radius:50%; background:conic-gradient(var(--green) 0% 76%, var(--line-soft) 76% 100%); display:flex; align-items:center; justify-content:center; margin-bottom:8px;}
.ring span{width:42px; height:42px; border-radius:50%; background:var(--surface); display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-size:0.72rem; font-weight:700;}
@keyframes floaty{0%,100%{transform:translateY(0);} 50%{transform:translateY(-14px);}}
@media (prefers-reduced-motion: reduce){ .float-card{animation:none;} }
@media(max-width:960px){.hero-visual{height:340px; margin-top:10px;} .float-card{position:static; margin-bottom:14px; animation:none; width:100% !important;} .hero-visual{display:flex; flex-direction:column; height:auto;}}

/* SECTION generic */
section{padding:90px 28px;}
.section-head{max-width:640px; margin:0 auto 46px; text-align:center;}
.eyebrow{display:inline-block; font-family:var(--mono); font-size:0.72rem; font-weight:700; letter-spacing:0.1em; text-transform:uppercase; color:var(--indigo); background:#EEEDFD; padding:6px 14px; border-radius:20px; margin-bottom:16px;}
.section-head h2{font-family:var(--display); font-size:clamp(1.8rem,3.4vw,2.5rem); font-weight:800; letter-spacing:-0.01em;}
.section-head p{color:var(--ink-soft); margin-top:12px; font-size:1.02rem;}
.section-alt{background:var(--surface); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}

/* MISSION */
.mission{max-width:760px; margin:0 auto; text-align:center;}
.mission blockquote{font-family:var(--display); font-size:clamp(1.35rem,2.6vw,1.8rem); font-weight:600; line-height:1.5; color:var(--ink);}
.mission cite{display:block; margin-top:20px; font-family:var(--mono); font-size:0.78rem; color:var(--ink-soft); font-style:normal;}

/* DASHBOARD */
.dash-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:18px; max-width:1100px; margin:0 auto;}
@media(max-width:900px){.dash-grid{grid-template-columns:1fr 1fr;}}
.dash-card{background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:22px 20px; transition:.2s;}
.dash-card:hover{transform:translateY(-3px); box-shadow:0 14px 30px rgba(21,23,46,0.08);}
.dash-card .icon{width:38px; height:38px; border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:1.1rem; margin-bottom:12px;}
.dash-card:nth-child(1) .icon{background:#EAF2FF; }
.dash-card:nth-child(2) .icon{background:#FFF1E6;}
.dash-card:nth-child(3) .icon{background:#F1ECFF;}
.dash-card:nth-child(4) .icon{background:var(--green-soft);}
.dash-card h4{font-family:var(--display); font-size:1.05rem; margin-bottom:10px; font-weight:700;}
.dash-card ul{list-style:none; font-size:0.86rem; color:var(--ink-soft);}
.dash-card li{display:flex; justify-content:space-between; padding:6px 0; border-bottom:1px dashed var(--line);}
.dash-card li:last-child{border:none;}
.dash-card .stat{font-family:var(--mono); font-weight:700; color:var(--ink);}
.quick-row{display:flex; gap:8px; flex-wrap:wrap;}
.quick-row .btn{flex:1; min-width:120px;}

/* QUICK REVISION NOTES (subject icons) */
.qr-block{max-width:1100px; margin:26px auto 0; background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:22px 24px;}
.qr-block-head{display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap; margin-bottom:16px;}
.qr-block-head .title{display:flex; align-items:center; gap:10px;}
.qr-block-head h4{font-family:var(--display); font-size:1.05rem; font-weight:700;}
.qr-block-head p{font-size:0.82rem; color:var(--ink-soft); margin-top:2px;}
.prime-pill{display:inline-flex; align-items:center; gap:5px; font-family:var(--body); font-weight:700; font-size:0.7rem; letter-spacing:0.03em; padding:4px 10px; border-radius:20px; background:linear-gradient(135deg,#F59E0B,#FB923C); color:#1A1200; flex-shrink:0;}
.basic-pill{display:inline-flex; align-items:center; gap:5px; font-family:var(--body); font-weight:700; font-size:0.7rem; letter-spacing:0.03em; padding:4px 10px; border-radius:20px; background:linear-gradient(135deg,#4F46E5,#7C3AED); color:#fff; flex-shrink:0;}
.qr-subject-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:14px;}
@media(max-width:760px){.qr-subject-grid{grid-template-columns:1fr 1fr;}}
.qr-subject-card{position:relative; border:1px solid var(--line); border-radius:14px; padding:18px 16px; text-align:center; cursor:pointer; background:var(--bg); transition:.18s; overflow:hidden;}
.qr-subject-card:hover{transform:translateY(-2px); box-shadow:0 10px 22px rgba(21,23,46,0.08); border-color:var(--indigo);}
.qr-subject-card .qr-icon{width:46px; height:46px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:1.4rem; margin:0 auto 10px;}
.qr-subject-card[data-subject="history"] .qr-icon{background:#FDF0ED;}
.qr-subject-card[data-subject="polsci"] .qr-icon{background:#EDF4FB;}
.qr-subject-card[data-subject="geography"] .qr-icon{background:#EDF7F2;}
.qr-subject-card[data-subject="sociology"] .qr-icon{background:#F3EDFB;}
.qr-subject-card .qr-name{font-family:var(--display); font-weight:700; font-size:0.92rem;}
.qr-subject-card .qr-sub{font-size:0.72rem; color:var(--ink-soft); margin-top:3px;}
.qr-subject-card .qr-lock{position:absolute; top:8px; right:8px; font-size:0.85rem; opacity:0.55;}
.qr-subject-card.locked{cursor:pointer;}
.qr-subject-card.locked .qr-icon{filter:grayscale(0.4);}
.qr-embed{margin-top:18px; border:1px solid var(--line); border-radius:14px; overflow:hidden; background:var(--bg);}
.qr-embed-bar{display:flex; align-items:center; justify-content:space-between; padding:10px 16px; background:var(--surface); border-bottom:1px solid var(--line);}
.qr-embed-bar span{font-family:var(--display); font-weight:700; font-size:0.9rem;}
.qr-embed-bar button{background:none; border:none; cursor:pointer; font-size:1rem; color:var(--ink-soft); padding:4px 10px; border-radius:8px; transition:.15s;}
.qr-embed-bar button:hover{background:var(--line-soft); color:var(--ink);}

/* ── QUICK REVISION NOTES — embedded content (scoped under .qr-page) ── */
.qr-page{
  --qr-bg: #f7f6f2;
  --qr-surface: #ffffff;
  --qr-border: #e4e2da;
  --qr-text: #1a1a18;
  --qr-muted: #6b6b66;
  --qr-accent-history: #7c3a2d;
  --qr-accent-polity: #1f4e79;
  --qr-accent-geo: #1a5c3a;
  --qr-accent-socio: #4a2d7c;
  --qr-accent-history-bg: #fdf0ed;
  --qr-accent-polity-bg: #edf4fb;
  --qr-accent-geo-bg: #edf7f2;
  --qr-accent-socio-bg: #f3edfb;
  --qr-tag-bg: #f0ede6;
  --qr-highlight: #fffbe6;
  display: flex;
  align-items: stretch;
  height: 78vh;
  background: var(--qr-bg);
  color: var(--qr-text);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  line-height: 1.75;
  overflow: hidden;
}
.qr-page *{ box-sizing: border-box; }

/* ── SIDEBAR ── */
.qr-page .sidebar{
  width: 270px; flex: 0 0 270px;
  background: var(--qr-surface);
  border-right: 1px solid var(--qr-border);
  overflow-y: auto;
  padding-bottom: 2rem;
}
.qr-page .sidebar-brand{ padding: 1.25rem 1.25rem 1rem; border-bottom: 1px solid var(--qr-border); }
.qr-page .sidebar-brand h1{ font-family: var(--display); font-size: 15px; font-weight: 700; color: var(--qr-text); line-height: 1.4; }
.qr-page .sidebar-brand p{ font-size: 11px; color: var(--qr-muted); margin-top: 2px; }

.qr-page .sidebar-search{ padding: 0.75rem 1rem; border-bottom: 1px solid var(--qr-border); }
.qr-page .sidebar-search input{
  width: 100%; padding: 6px 10px; font-size: 13px;
  border: 1px solid var(--qr-border); border-radius: 6px;
  background: var(--qr-bg); color: var(--qr-text); outline: none;
  font-family: 'Inter', sans-serif;
}

.qr-page .nav-subject{ margin-top: 0.5rem; }
.qr-page .nav-subject-header{
  padding: 0.5rem 1rem 0.3rem;
  font-size: 10px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--qr-muted);
}
.qr-page .nav-class-toggle{
  padding: 0.35rem 1rem 0.35rem 1.25rem;
  font-size: 12.5px; font-weight: 500; color: var(--qr-muted);
  cursor: pointer; display: flex; align-items: center; justify-content: space-between;
}
.qr-page .nav-class-toggle:hover{ color: var(--qr-text); background: var(--qr-bg); }
.qr-page .nav-class-toggle .arrow{ font-size: 10px; transition: transform 0.2s; }
.qr-page .nav-class-toggle.open .arrow{ transform: rotate(90deg); }

.qr-page .nav-links{ display: none; }
.qr-page .nav-links.open{ display: block; }

.qr-page .nav-link{
  display: block; padding: 0.3rem 1rem 0.3rem 2rem;
  font-size: 12.5px; color: var(--qr-muted);
  text-decoration: none; border-left: 2px solid transparent;
  transition: all 0.15s;
}
.qr-page .nav-link:hover{ color: var(--qr-text); background: var(--qr-bg); }
.qr-page .nav-link.active{ color: var(--qr-text); font-weight: 500; border-left-color: var(--qr-text); background: var(--qr-bg); }

.qr-page .nav-link.history{ border-left-color: transparent; }
.qr-page .nav-link.history:hover, .qr-page .nav-link.history.active{ border-left-color: var(--qr-accent-history); color: var(--qr-accent-history); }
.qr-page .nav-link.polity:hover, .qr-page .nav-link.polity.active{ border-left-color: var(--qr-accent-polity); color: var(--qr-accent-polity); }
.qr-page .nav-link.geo:hover, .qr-page .nav-link.geo.active{ border-left-color: var(--qr-accent-geo); color: var(--qr-accent-geo); }
.qr-page .nav-link.socio:hover, .qr-page .nav-link.socio.active{ border-left-color: var(--qr-accent-socio); color: var(--qr-accent-socio); }

/* ── MAIN ── */
.qr-page .main{ flex: 1 1 auto; min-width: 0; overflow-y: auto; padding: 2.5rem 3rem; }

.qr-page .hero{ border-bottom: 1px solid var(--qr-border); padding-bottom: 2rem; margin-bottom: 2.5rem; }
.qr-page .hero-tag{ font-size: 11px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--qr-muted); margin-bottom: 0.5rem; }
.qr-page .hero h1{ font-family: var(--display); font-size: 32px; font-weight: 700; line-height: 1.25; margin-bottom: 0.75rem; color: var(--qr-text); }
.qr-page .hero p{ font-size: 14px; color: var(--qr-muted); max-width: 560px; }
.qr-page .hero-pills{ display: flex; gap: 8px; flex-wrap: wrap; margin-top: 1rem; }
.qr-page .pill{ font-size: 12px; padding: 4px 12px; border-radius: 20px; font-weight: 500; border: 1px solid; }
.qr-page .pill.history{ background: var(--qr-accent-history-bg); color: var(--qr-accent-history); border-color: #e8b4a8; }
.qr-page .pill.polity{ background: var(--qr-accent-polity-bg); color: var(--qr-accent-polity); border-color: #aac6e8; }
.qr-page .pill.geo{ background: var(--qr-accent-geo-bg); color: var(--qr-accent-geo); border-color: #9ed4b8; }
.qr-page .pill.socio{ background: var(--qr-accent-socio-bg); color: var(--qr-accent-socio); border-color: #c4a8e8; }

/* ── SECTION ── */
.qr-page .subject-section{ margin-bottom: 4rem; scroll-margin-top: 1.5rem; }
.qr-page .subject-title{
  font-family: var(--display);
  font-size: 22px; font-weight: 700;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  margin-bottom: 1.75rem;
  display: flex; align-items: center; gap: 10px;
}
.qr-page .subject-title.history{ background: var(--qr-accent-history-bg); color: var(--qr-accent-history); border-left: 4px solid var(--qr-accent-history); }
.qr-page .subject-title.polity{ background: var(--qr-accent-polity-bg); color: var(--qr-accent-polity); border-left: 4px solid var(--qr-accent-polity); }
.qr-page .subject-title.geo{ background: var(--qr-accent-geo-bg); color: var(--qr-accent-geo); border-left: 4px solid var(--qr-accent-geo); }
.qr-page .subject-title.socio{ background: var(--qr-accent-socio-bg); color: var(--qr-accent-socio); border-left: 4px solid var(--qr-accent-socio); }

.qr-page .class-block{ margin-bottom: 2.5rem; }
.qr-page .class-heading{
  font-size: 11px; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--qr-muted);
  margin-bottom: 1.25rem; padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--qr-border);
}

/* ── CHAPTER CARD ── */
.qr-page .chapter{
  background: var(--qr-surface);
  border: 1px solid var(--qr-border);
  border-radius: 10px;
  margin-bottom: 1.25rem;
  overflow: hidden;
}
.qr-page .chapter-header{
  padding: 0.9rem 1.25rem;
  cursor: pointer;
  display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem;
  user-select: none;
}
.qr-page .chapter-header:hover{ background: var(--qr-bg); }
.qr-page .chapter-num{
  font-size: 11px; font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--qr-muted); margin-bottom: 2px;
}
.qr-page .chapter-title-text{ font-size: 14.5px; font-weight: 600; color: var(--qr-text); }
.qr-page .chapter-toggle{ font-size: 18px; color: var(--qr-muted); flex-shrink: 0; margin-top: 2px; transition: transform 0.2s; }
.qr-page .chapter.open .chapter-toggle{ transform: rotate(45deg); }

.qr-page .chapter-body{ display: none; padding: 0 1.25rem 1.25rem; border-top: 1px solid var(--qr-border); }
.qr-page .chapter.open .chapter-body{ display: block; }

.qr-page .note-section{ margin-top: 1rem; }
.qr-page .note-section h4{
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--qr-muted); margin-bottom: 0.5rem;
}
.qr-page .note-section p, .qr-page .note-section li{ font-size: 14px; color: var(--qr-text); line-height: 1.75; }
.qr-page .note-section ul{ padding-left: 1.25rem; }
.qr-page .note-section ul li{ margin-bottom: 0.3rem; }

.qr-page .keyterm{
  display: inline-block; background: var(--qr-tag-bg);
  border-radius: 4px; padding: 1px 7px;
  font-size: 12.5px; font-weight: 500; color: var(--qr-text);
  margin: 2px 2px;
}

.qr-page .highlight-box{
  background: var(--qr-highlight);
  border-left: 3px solid #e6c800;
  border-radius: 0 6px 6px 0;
  padding: 0.6rem 0.9rem;
  font-size: 13.5px;
  margin-top: 0.75rem;
  color: #4a4000;
}
.qr-page .highlight-box strong{ font-weight: 600; }

.qr-page .two-col{ display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 0.75rem; }
.qr-page .mini-card{
  background: var(--qr-bg); border-radius: 6px;
  padding: 0.7rem 0.9rem; font-size: 13.5px;
  border: 1px solid var(--qr-border);
}
.qr-page .mini-card strong{ display: block; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--qr-muted); margin-bottom: 3px; }

@media(max-width:900px){
  .qr-page{ height: 70vh; }
  .qr-page .sidebar{ width: 220px; flex: 0 0 220px; }
  .qr-page .main{ padding: 1.5rem; }
  .qr-page .two-col{ grid-template-columns: 1fr; }
}
@media(max-width:650px){
  .qr-page{ flex-direction: column; height: 76vh; }
  .qr-page .sidebar{ width: 100%; flex: 0 0 auto; max-height: 220px; border-right: none; border-bottom: 1px solid var(--qr-border); }
  .qr-page .main{ padding: 1.25rem; }
}
@media print{
  .qr-page .sidebar{ display: none; }
  .qr-page .main{ padding: 1rem; }
  .qr-page .chapter-body{ display: block !important; }
  .qr-page .chapter-toggle{ display: none; }
}

/* PYQ */
.pyq-controls{display:flex; gap:10px; flex-wrap:wrap; max-width:1100px; margin:0 auto 22px; align-items:center;}
.toggle-group{display:flex; border:1.5px solid var(--line); border-radius:12px; overflow:hidden; background:var(--surface);}
.toggle-group button{font-family:var(--body); font-weight:700; font-size:0.84rem; padding:10px 20px; background:transparent; border:none; cursor:pointer; color:var(--ink-soft);}
.toggle-group button.active{background:linear-gradient(135deg,var(--indigo),var(--violet)); color:#fff;}
.chip-row{display:flex; gap:8px; flex-wrap:wrap;}
.chip{font-family:var(--body); font-weight:600; font-size:0.78rem; padding:7px 15px; border:1px solid var(--line); border-radius:20px; background:var(--surface); cursor:pointer; color:var(--ink-soft); transition:.15s;}
.chip.active{background:var(--ink); color:#fff; border-color:var(--ink);}
.searchbox{flex:1; min-width:220px; padding:11px 16px; border:1.5px solid var(--line); border-radius:12px; font-family:var(--body); font-size:0.9rem; background:var(--surface);}
.searchbox:focus{outline:none; border-color:var(--indigo);}
.pyq-list{max-width:1100px; margin:0 auto; display:flex; flex-direction:column; gap:14px;}
.pyq-card{background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:20px 22px; display:flex; flex-direction:column; gap:8px; transition:.2s;}
.pyq-card:hover{border-color:var(--indigo); box-shadow:0 10px 26px rgba(79,70,229,0.08);}
.pyq-top{display:flex; justify-content:space-between; align-items:flex-start; gap:14px;}
.pyq-meta{font-family:var(--mono); font-size:0.7rem; color:var(--indigo); text-transform:uppercase; letter-spacing:0.04em; margin-bottom:6px; font-weight:600;}
.pyq-q{font-size:0.97rem; color:var(--ink); font-weight:500;}
.pyq-actions{display:flex; gap:8px; flex-shrink:0;}
.iconbtn{width:36px; height:36px; border:1px solid var(--line); background:var(--surface); border-radius:10px; cursor:pointer; font-size:0.95rem; display:flex; align-items:center; justify-content:center; transition:.15s;}
.iconbtn:hover{border-color:var(--indigo); transform:translateY(-1px);}
.iconbtn.bookmarked{background:var(--amber); color:#fff; border-color:var(--amber);}
.pyq-explain{display:none; margin-top:6px; padding:14px 16px; background:#F8F8FE; border-radius:12px; border-left:3px solid var(--violet); font-size:0.88rem; color:var(--ink-soft); white-space:pre-wrap;}
.pyq-explain.show{display:block;}

/* EVALUATOR */
.eval-grid{max-width:1020px; margin:0 auto; display:grid; grid-template-columns:1fr 1fr; gap:26px; align-items:start;}
@media(max-width:860px){.eval-grid{grid-template-columns:1fr;}}
.eval-input{background:var(--surface); border:1px solid var(--line); border-radius:18px; overflow:hidden;}
.eval-tabs{display:flex; border-bottom:1px solid var(--line);}
.eval-tabs button{flex:1; padding:13px; font-family:var(--body); font-weight:700; font-size:0.85rem; background:var(--line-soft); border:none; cursor:pointer; color:var(--ink-soft);}
.eval-tabs button.active{background:var(--surface); color:var(--indigo);}
.eval-body{padding:20px;}
.eval-body textarea{width:100%; min-height:220px; border:1.5px solid var(--line); border-radius:12px; padding:14px; font-family:var(--body); font-size:0.92rem; resize:vertical;}
.eval-body textarea:focus{outline:none; border-color:var(--indigo);}
.eval-meta{display:flex; gap:10px; margin-top:12px; flex-wrap:wrap;}
.eval-meta select,.eval-meta input{font-family:var(--mono); font-size:0.78rem; padding:8px 12px; border:1.5px solid var(--line); border-radius:10px;}
.upload-zone{border:1.5px dashed var(--line); border-radius:14px; padding:44px 20px; text-align:center; color:var(--ink-soft); font-size:0.88rem; cursor:pointer;}
.upload-zone:hover{border-color:var(--indigo); color:var(--indigo);}
.img-preview-wrap{position:relative; border:1.5px solid var(--line); border-radius:14px; overflow:hidden; max-height:340px;}
.img-preview-wrap img{width:100%; max-height:340px; object-fit:contain; display:block; background:var(--line-soft);}
.img-preview-remove{position:absolute; top:10px; right:10px; background:rgba(21,23,46,0.7); color:#fff; border:none; border-radius:8px; padding:6px 12px; font-size:0.75rem; font-weight:700; cursor:pointer; font-family:var(--body);}
.img-preview-remove:hover{background:var(--coral);}
.eval-result{background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:24px; position:relative; min-height:200px;}
.eval-result .stamp-mark{position:absolute; top:18px; right:18px; background:linear-gradient(135deg,var(--green),#0E8A3F); color:#fff; font-family:var(--mono); font-weight:700; font-size:0.62rem; padding:7px 11px; border-radius:20px; text-align:center; line-height:1.1; box-shadow:0 6px 16px rgba(22,163,74,0.3);}
.eval-result h4{font-family:var(--display); font-size:1.1rem; margin-bottom:6px; color:var(--ink); font-weight:700;}
.score-big{font-family:var(--mono); font-size:2.6rem; font-weight:700; background:linear-gradient(135deg,var(--indigo),var(--coral)); -webkit-background-clip:text; background-clip:text; color:transparent;}
.score-big span{font-size:1.1rem; color:var(--ink-soft); font-weight:400; -webkit-text-fill-color:var(--ink-soft);}
.eval-section-block{margin-top:18px;}
.eval-section-block h5{font-family:var(--body); font-size:0.76rem; text-transform:uppercase; letter-spacing:0.06em; color:var(--violet); margin-bottom:7px; font-weight:700;}
.eval-section-block ul{padding-left:18px; font-size:0.88rem; color:var(--ink-soft);}
.eval-section-block ul li{margin-bottom:4px;}
.eval-placeholder{color:var(--ink-soft); font-size:0.9rem; text-align:center; padding:60px 10px;}
.loading-dots::after{content:'...'; animation:dots 1.2s steps(4,end) infinite;}
@keyframes dots{0%,20%{content:'.'}40%{content:'..'}60%,100%{content:'...'}}

/* MENTOR */
.mentor-wrap{max-width:760px; margin:0 auto; background:var(--surface); border:1px solid var(--line); border-radius:20px; display:flex; flex-direction:column; height:560px; overflow:hidden; box-shadow:0 20px 50px rgba(21,23,46,0.08);}
.mentor-head{display:flex; justify-content:space-between; align-items:center; padding:16px 20px; border-bottom:1px solid var(--line); background:linear-gradient(135deg,#F4F3FE,#FFF6EE);}
.limit{font-family:var(--mono); font-size:0.72rem; color:var(--ink-soft);}
.mentor-msgs{flex:1; overflow-y:auto; padding:22px; display:flex; flex-direction:column; gap:14px;}
.msg{max-width:78%; padding:12px 16px; font-size:0.9rem; line-height:1.55; border-radius:16px; white-space:pre-wrap;}
.msg.bot{background:var(--line-soft); align-self:flex-start; border-bottom-left-radius:4px;}
.msg.user{background:linear-gradient(135deg,var(--indigo),var(--violet)); color:#fff; align-self:flex-end; border-bottom-right-radius:4px;}
.mentor-suggest{display:flex; gap:8px; flex-wrap:wrap; padding:0 20px 12px;}
.mentor-suggest button{font-family:var(--body); font-weight:600; font-size:0.74rem; padding:7px 13px; border:1px solid var(--line); border-radius:16px; background:var(--surface); cursor:pointer; color:var(--ink-soft);}
.mentor-suggest button:hover{border-color:var(--indigo); color:var(--indigo);}
.mentor-input{display:flex; border-top:1px solid var(--line);}
.mentor-input input{flex:1; border:none; padding:16px 18px; font-family:var(--body); font-size:0.9rem; background:transparent;}
.mentor-input input:focus{outline:none;}
.mentor-input button{border:none; background:linear-gradient(135deg,var(--indigo),var(--violet)); color:#fff; padding:0 26px; font-weight:700; cursor:pointer;}
.mentor-input button:disabled{background:var(--line); cursor:not-allowed;}

/* CURRENT AFFAIRS */
.ca-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:16px; max-width:1100px; margin:0 auto;}
@media(max-width:760px){.ca-grid{grid-template-columns:1fr;}}
.ca-card{background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:20px 22px; transition:.2s;}
.ca-card:hover{transform:translateY(-3px); box-shadow:0 14px 30px rgba(21,23,46,0.08);}
.ca-card .cat{display:inline-block; font-family:var(--mono); font-size:0.65rem; text-transform:uppercase; letter-spacing:0.06em; color:var(--indigo); background:#EEEDFD; padding:4px 10px; border-radius:10px; margin-bottom:10px; font-weight:700;}
.ca-card h4{font-family:var(--display); font-size:1.02rem; margin-bottom:8px; font-weight:700;}
.ca-card p{font-size:0.86rem; color:var(--ink-soft);}
.ca-card .gs{font-family:var(--mono); font-size:0.68rem; color:var(--ink-soft); margin-top:10px; display:block;}
.ca-live{max-width:1100px; margin:0 auto 28px; position:relative;}
.ca-live-grid{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
@media(max-width:760px){.ca-live-grid{grid-template-columns:1fr;}}
.ca-live-panel{background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:22px 24px;}
.ca-live-head{display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:10px; margin-bottom:14px;}
.ca-live-head h4{font-family:var(--display); font-size:1.02rem; font-weight:700; display:flex; align-items:center; gap:8px;}
.live-dot{width:8px; height:8px; border-radius:50%; background:var(--coral); box-shadow:0 0 0 4px rgba(251,107,76,0.18); animation:pulse 1.6s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;} 50%{opacity:0.4;}}
.ca-live-src{display:block; text-align:center; font-family:var(--mono); font-size:0.7rem; color:var(--ink-soft); margin-top:14px;}
.ca-live-body{min-height:60px;}
.ca-live-body a{color:var(--indigo); text-decoration:none;}
.ca-live-body a:hover{text-decoration:underline;}
.ca-live.gated{overflow:hidden;}
.ca-live.gated .ca-live-grid{filter:blur(5px); pointer-events:none; user-select:none;}
.gate-overlay{position:absolute; inset:0; background:rgba(255,255,255,0.72); backdrop-filter:blur(2px); display:flex; flex-direction:column; align-items:center; justify-content:center; gap:8px; text-align:center; padding:16px; border-radius:18px; z-index:2;}

/* GS-paper category filter for the daily news feed */
.ca-filter-bar{display:flex; align-items:center; gap:10px; flex-wrap:wrap; max-width:1100px; margin:0 auto 18px; justify-content:center;}
.ca-filter-label{font-family:var(--mono); font-size:0.68rem; text-transform:uppercase; letter-spacing:0.07em; color:var(--ink-soft); font-weight:700; flex-shrink:0;}
.ca-filter-row{display:flex; gap:8px; flex-wrap:wrap; justify-content:center;}
.ca-filter-chip{font-family:var(--body); font-weight:600; font-size:0.76rem; padding:6px 13px; border:1px solid var(--line); border-radius:20px; background:var(--surface); cursor:pointer; color:var(--ink-soft); transition:.15s; white-space:nowrap;}
.ca-filter-chip:hover{border-color:var(--indigo); color:var(--indigo);}
.ca-filter-chip.active{background:linear-gradient(135deg,var(--indigo),var(--violet)); border-color:transparent; color:#fff; box-shadow:0 4px 12px rgba(79,70,229,0.28);}
.ca-news-empty{font-size:0.84rem; color:var(--ink-soft); text-align:center; padding:18px 6px;}

/* live headline list (self-hosted RSS, replaces 3rd-party widget embed) */
.ca-live-head .refresh-btn{background:none; border:none; cursor:pointer; color:var(--ink-soft); font-size:0.95rem; padding:2px 4px; border-radius:6px; transition:.15s;}
.ca-live-head .refresh-btn:hover{color:var(--indigo); background:var(--line-soft);}
.ca-live-head .refresh-btn.spinning{animation:spin 0.8s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

/* AI-filtered UPSC news cards */
.ca-headlines{list-style:none; display:flex; flex-direction:column; gap:0;}
.ca-news-card{border-bottom:1px dashed var(--line); padding:12px 0;}
.ca-news-card:last-child{border:none; padding-bottom:0;}
.ca-news-card-head{display:flex; align-items:flex-start; justify-content:space-between; gap:8px; cursor:pointer; user-select:none;}
.ca-news-card-head:hover .ca-news-title{color:var(--indigo);}
.ca-news-title{font-size:0.88rem; font-weight:600; line-height:1.4; color:var(--ink); flex:1; transition:color .15s;}
.ca-news-meta{display:flex; align-items:center; gap:6px; flex-shrink:0; padding-top:2px;}
.ca-news-time{font-family:var(--mono); font-size:0.65rem; color:var(--ink-soft);}
.ca-news-toggle{font-size:0.7rem; color:var(--ink-soft); transition:transform .2s; display:inline-block;}
.ca-news-card.open .ca-news-toggle{transform:rotate(180deg);}
.ca-news-bullets{display:none; padding:8px 0 2px 0;}
.ca-news-card.open .ca-news-bullets{display:block;}
.ca-news-bullets ul{list-style:none; display:flex; flex-direction:column; gap:5px; margin:0; padding:0;}
.ca-news-bullets li{font-size:0.82rem; color:var(--ink-soft); line-height:1.5; padding-left:14px; position:relative;}
.ca-news-bullets li::before{content:"•"; position:absolute; left:0; color:var(--indigo); font-weight:700;}
/* AI-inline bullet styles (live RSS + AI enhancement) */
.ca-news-item{padding:10px 0; border-bottom:1px dashed var(--line);}
.ca-news-item:last-child{border:none;}
.ca-news-headline{display:flex; justify-content:space-between; align-items:flex-start; gap:10px; margin-bottom:5px;}
.ca-news-headline a{font-size:0.85rem; font-weight:600; color:var(--ink); text-decoration:none; line-height:1.4; flex:1;}
.ca-news-headline a:hover{color:var(--indigo);}
.ca-news-item .ca-news-bullets{display:flex; flex-direction:column; gap:3px; padding:0 0 0 2px;}
.ca-bullet{font-size:0.78rem; color:var(--ink-soft); line-height:1.45;}
.ca-bullets-loading{font-size:0.75rem; color:var(--ink-soft); opacity:0.5; font-style:italic;}
.ca-news-link{display:inline-block; margin-top:7px; font-size:0.76rem; font-weight:600; color:var(--indigo); text-decoration:none;}
.ca-news-link:hover{text-decoration:underline;}
.ca-upsc-tag{font-family:var(--mono); font-size:0.58rem; font-weight:700; letter-spacing:0.04em; background:#EEEDFD; color:var(--indigo); padding:2px 6px; border-radius:6px; flex-shrink:0; white-space:nowrap;}
.ca-ai-note{font-family:var(--mono); font-size:0.66rem; color:var(--ink-soft); text-align:center; padding:10px 0 0; display:flex; align-items:center; justify-content:center; gap:5px;}
.ca-ai-note b{background:linear-gradient(90deg,var(--indigo),var(--violet)); -webkit-background-clip:text; background-clip:text; color:transparent;}
.ca-skeleton{display:flex; flex-direction:column; gap:12px;}
.ca-skeleton .sk-line{height:13px; border-radius:6px; background:linear-gradient(90deg,var(--line-soft) 25%,var(--line) 37%,var(--line-soft) 63%); background-size:400% 100%; animation:shimmer 1.4s ease infinite;}
.ca-skeleton .sk-line.w1{width:92%;} .ca-skeleton .sk-line.w2{width:78%;} .ca-skeleton .sk-line.w3{width:85%;}
@keyframes shimmer{0%{background-position:100% 0;} 100%{background-position:0 0;}}
.ca-error{font-size:0.84rem; color:var(--ink-soft); text-align:center; padding:14px 6px;}
.ca-error button{margin-top:8px;}
.ca-stale-note{font-family:var(--mono); font-size:0.66rem; color:var(--coral); margin-top:6px;}
.gate-overlay h5{font-family:var(--display); font-size:1rem; font-weight:700;}
.gate-overlay p{font-size:0.8rem; color:var(--ink-soft); max-width:320px;}

/* QUIZ */
.quiz-cards{display:grid; grid-template-columns:repeat(4,1fr); gap:18px; max-width:1280px; margin:0 auto 44px;}
@media(max-width:1000px){.quiz-cards{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.quiz-cards{grid-template-columns:1fr;}}
.quiz-card{background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:26px; text-align:center; transition:.2s;}
.quiz-card:hover{transform:translateY(-3px); box-shadow:0 14px 30px rgba(21,23,46,0.08);}
.quiz-card .num{font-family:var(--display); font-size:2.1rem; font-weight:800; background:linear-gradient(135deg,var(--indigo),var(--coral)); -webkit-background-clip:text; background-clip:text; color:transparent;}
.quiz-card h4{font-family:var(--display); margin:8px 0 6px; font-weight:700;}
.quiz-card p{font-size:0.84rem; color:var(--ink-soft); margin-bottom:16px;}
.plan-badge{display:inline-block; font-family:var(--mono); font-size:0.62rem; font-weight:700; letter-spacing:0.03em; padding:2px 8px; border-radius:20px; background:var(--violet); color:#fff; vertical-align:middle; margin-left:4px;}
.quiz-card .btn[disabled]{opacity:0.6; cursor:not-allowed;}
.quiz-area{max-width:680px; margin:0 auto; background:var(--surface); border:1px solid var(--line); border-radius:20px; padding:30px; box-shadow:0 16px 40px rgba(21,23,46,0.06);}
.quiz-progress{font-family:var(--mono); font-size:0.75rem; color:var(--ink-soft); margin-bottom:16px; display:flex; justify-content:space-between;}
.quiz-q{font-family:var(--display); font-size:1.12rem; margin-bottom:20px; font-weight:700;}
.quiz-opts{display:flex; flex-direction:column; gap:10px;}
.quiz-opt{text-align:left; padding:13px 16px; border:1.5px solid var(--line); border-radius:12px; background:var(--bg); cursor:pointer; font-size:0.9rem; transition:.15s;}
.quiz-opt:hover{border-color:var(--indigo);}
.quiz-opt.correct{border-color:var(--green); background:var(--green-soft);}
.quiz-opt.wrong{border-color:var(--coral); background:#FFEEEA;}

/* ACHIEVEMENT BADGES + XP (profile popover) */
.hpc-xp-block{margin:12px 0 4px; padding:12px 13px; background:var(--line-soft); border-radius:12px;}
.hpc-xp-row{display:flex; align-items:center; justify-content:space-between; margin-bottom:7px;}
.hpc-xp-level{font-family:var(--display); font-weight:700; font-size:0.86rem; color:var(--ink);}
.hpc-xp-num{font-family:var(--mono); font-size:0.7rem; color:var(--ink-soft);}
.hpc-xp-track{height:7px; border-radius:20px; background:var(--line); overflow:hidden;}
.hpc-xp-fill{height:100%; border-radius:20px; background:linear-gradient(90deg,var(--indigo),var(--violet)); transition:width 0.5s ease;}
.hpc-achievements{display:flex; flex-wrap:wrap; gap:6px; margin:10px 0 2px;}
.ach-tag{display:inline-flex; align-items:center; gap:5px; font-size:0.72rem; font-weight:700; padding:5px 10px 5px 8px; border-radius:20px; background:#EEEDFD; color:var(--indigo); white-space:nowrap;}
.ach-tag.locked{background:var(--line-soft); color:var(--ink-soft); opacity:0.55;}
.ach-tag .ach-icon{font-size:0.9rem;}
.ach-tag.ach-more-toggle{background:none; border:1px dashed var(--line); color:var(--ink-soft); cursor:pointer;}
.ach-tag.ach-more-toggle:hover{border-color:var(--indigo); color:var(--indigo);}
.ach-locked-group{display:none; gap:6px; flex-wrap:wrap;}
.hpc-achievements.show-locked .ach-locked-group{display:contents;}
.ach-empty{font-size:0.78rem; color:var(--ink-soft); padding:2px 0 4px;}

/* TRIVIA INTERSTITIAL (between quiz questions) */
.trivia-card{text-align:center; padding:8px 4px;}
.trivia-card .trivia-icon{font-size:2.1rem; margin-bottom:10px;}
.trivia-card .trivia-label{font-family:var(--mono); font-size:0.68rem; font-weight:700; letter-spacing:0.06em; text-transform:uppercase; color:var(--violet); margin-bottom:10px;}
.trivia-card .trivia-fact{font-family:var(--display); font-size:1.02rem; font-weight:700; line-height:1.5; color:var(--ink); max-width:480px; margin:0 auto 22px;}

/* DAILY 5 CURRENT AFFAIRS QUIZ CARD + TIMER */
.quiz-card.ca-card{border-color:var(--amber); background:linear-gradient(180deg,#FFFBF0,var(--surface) 40%);}
.quiz-card.ca-card .num{background:linear-gradient(135deg,var(--amber),var(--coral)); -webkit-background-clip:text; background-clip:text; color:transparent;}
.ca-timer-pill{display:inline-flex; align-items:center; gap:6px; font-family:var(--mono); font-weight:700; font-size:0.82rem; color:var(--coral); background:#FFF1EE; padding:5px 12px; border-radius:20px; margin-bottom:14px;}
.ca-timer-pill.warn{animation:pulse 1s ease-in-out infinite;}
.quiz-opt.disabled{cursor:default; opacity:0.85;}
.quiz-opt-letter{display:inline-block; width:22px; height:22px; line-height:22px; text-align:center; border-radius:50%; background:var(--line); font-size:0.72rem; font-weight:700; margin-right:10px; font-family:var(--mono);}
.quiz-opt.correct .quiz-opt-letter{background:var(--green); color:#fff;}
.quiz-opt.wrong .quiz-opt-letter{background:var(--coral); color:#fff;}
.quiz-result{text-align:center;}
.quiz-result .big{font-family:var(--display); font-size:2.6rem; font-weight:800; color:var(--green);}

/* PRICING */
.pricing-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; max-width:1100px; margin:26px auto 0;}
@media(max-width:860px){.pricing-grid{grid-template-columns:1fr;}}
.price-card{background:var(--surface); border:1.5px solid var(--line); border-radius:22px; padding:32px 28px; display:flex; flex-direction:column; position:relative; transition:.2s;}
.price-card:hover{transform:translateY(-4px);}
.price-card.featured{border-color:var(--indigo); background:linear-gradient(180deg,#FAFAFF,#fff); box-shadow:0 20px 50px rgba(79,70,229,0.16); transform:translateY(-10px);}
.price-card .badge{position:absolute; top:-13px; left:50%; transform:translateX(-50%); background:linear-gradient(135deg,var(--indigo),var(--violet)); color:#fff; font-family:var(--mono); font-size:0.68rem; padding:5px 14px; border-radius:14px; font-weight:700;}
.price-card .tier{font-family:var(--mono); font-size:0.74rem; text-transform:uppercase; letter-spacing:0.1em; color:var(--coral); font-weight:700;}
.price-card .amount{font-family:var(--display); font-size:2.5rem; font-weight:800; margin:10px 0 20px;}
.price-card .amount span{font-size:1rem; font-weight:500; color:var(--ink-soft);}
.price-card ul{list-style:none; flex:1; margin-bottom:22px;}
.price-card li{font-size:0.88rem; padding:8px 0; border-bottom:1px dashed var(--line); color:var(--ink-soft);}
.price-card li:last-child{border:none;}
.price-card li.no{opacity:0.4; text-decoration:line-through;}
.billing-toggle{display:flex; justify-content:center; gap:6px; background:var(--line-soft); border-radius:12px; padding:5px; max-width:300px; margin:0 auto 32px;}
.billing-tab{flex:1; border:none; background:transparent; padding:10px 14px; border-radius:9px; font-family:var(--body); font-weight:700; font-size:0.85rem; color:var(--ink-soft); cursor:pointer; transition:.15s; display:flex; align-items:center; justify-content:center; gap:6px;}
.billing-tab.active{background:var(--surface); color:var(--indigo); box-shadow:0 2px 8px rgba(21,23,46,0.1);}
.billing-tab .save-chip{background:#dcfce7; color:#15803d; font-size:0.65rem; font-weight:800; padding:2px 7px; border-radius:8px; font-family:var(--mono);}
.amt-note{font-size:0.74rem; color:var(--ink-soft); margin-top:-14px; margin-bottom:14px;}

/* COUPON */
.coupon-row{display:flex; gap:8px; max-width:400px; margin:0 auto 18px;}
.coupon-row input{flex:1; padding:10px 14px; border:1.5px solid var(--line); border-radius:10px; font-family:var(--body); font-size:0.88rem; color:var(--ink); background:var(--surface); outline:none; transition:.18s; letter-spacing:0.04em; text-transform:uppercase;}
.coupon-row input:focus{border-color:var(--indigo); box-shadow:0 0 0 3px rgba(79,70,229,0.1);}
.coupon-row input::placeholder{text-transform:none; letter-spacing:0;}
.coupon-row .btn.apply{padding:10px 18px; white-space:nowrap;}
.coupon-msg{text-align:center; font-size:0.82rem; min-height:20px; margin-bottom:10px; font-weight:600; transition:.2s;}
.coupon-msg.ok{color:var(--green);}
.coupon-msg.err{color:var(--coral);}
.coupon-savings{display:inline-block; font-family:var(--mono); font-size:0.7rem; font-weight:700; background:#DCFCE7; color:#15803D; padding:3px 10px; border-radius:20px; margin-left:8px; vertical-align:middle;}
.price-card .original-price{font-size:1rem; color:var(--ink-soft); text-decoration:line-through; font-weight:400; margin-right:6px;}

/* RESOURCES HUB */
.resource-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:18px; max-width:1100px; margin:0 auto;}
@media(max-width:860px){.resource-grid{grid-template-columns:1fr;}}
.resource-card{background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:24px 24px 20px; transition:.2s;}
.resource-card:hover{transform:translateY(-3px); box-shadow:0 14px 30px rgba(21,23,46,0.08);}
.resource-card .ricon{width:42px; height:42px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:1.2rem; margin-bottom:14px;}
.resource-card:nth-child(1) .ricon{background:#EAF2FF;}
.resource-card:nth-child(2) .ricon{background:#FFF1E6;}
.resource-card:nth-child(3) .ricon{background:#F1ECFF;}
.resource-card h4{font-family:var(--display); font-size:1.08rem; font-weight:700; margin-bottom:6px;}
.resource-card p{font-size:0.86rem; color:var(--ink-soft); margin-bottom:16px;}
.resource-links{list-style:none; display:flex; flex-direction:column; gap:8px;}
.resource-links a{display:flex; align-items:center; justify-content:space-between; gap:10px; font-size:0.85rem; font-weight:600; color:var(--ink); text-decoration:none; padding:10px 13px; border:1px solid var(--line); border-radius:10px; transition:.15s;}
.resource-links a:hover{border-color:var(--indigo); color:var(--indigo); background:#F8F8FF;}
.resource-links a .arrow{color:var(--ink-soft); font-weight:400;}
.resource-links a:hover .arrow{color:var(--indigo);}

.source-bar{max-width:1100px; margin:24px auto 0; background:var(--line-soft); border:1px solid var(--line); border-radius:16px; padding:18px 22px;}
.source-bar .src-label{font-family:var(--mono); font-size:0.68rem; text-transform:uppercase; letter-spacing:0.07em; color:var(--ink-soft); font-weight:700; margin-bottom:10px; display:block;}
.source-chip-row{display:flex; gap:10px; flex-wrap:wrap;}
.source-chip{display:inline-flex; align-items:center; gap:6px; font-size:0.82rem; font-weight:600; color:var(--ink); text-decoration:none; background:var(--surface); border:1px solid var(--line); padding:8px 14px; border-radius:20px; transition:.15s;}
.source-chip:hover{border-color:var(--indigo); color:var(--indigo); transform:translateY(-1px);}

.disclaimer-note{max-width:1100px; margin:0 auto 30px; background:#FFF8E8; border:1px solid #F1DDA0; border-radius:14px; padding:16px 20px; font-size:0.84rem; color:#7A5C12; display:flex; gap:12px; align-items:flex-start;}
.disclaimer-note span.ico{font-size:1.1rem; flex-shrink:0;}

/* Small inline disclaimer used under the dashboard's quick-revision blocks —
   quieter than .disclaimer-note since it repeats a point already made in
   the Resources section; just needs to be visible, not loud. */
.qr-disclaimer{max-width:1100px; margin:14px auto 0; padding:10px 16px; font-size:0.76rem; line-height:1.55; color:var(--ink-soft); background:var(--line-soft); border-radius:10px; display:flex; gap:8px; align-items:flex-start;}
.qr-disclaimer span.ico{flex-shrink:0; font-size:0.95rem;}
.qr-disclaimer strong{color:var(--ink); font-weight:600;}
.qr-disclaimer a{color:var(--indigo); text-decoration:none; font-weight:600;}
.qr-disclaimer a:hover{text-decoration:underline;}

/* ═══════════════════════════════════════════════
   TEST SERIES
═══════════════════════════════════════════════ */
/* Test Series — grouped accordion layout */
.ts-subject-group{max-width:1100px; margin:0 auto 14px;}
.ts-group-header{display:flex; align-items:center; justify-content:space-between; gap:12px;
  background:var(--surface); border:1px solid var(--line); border-radius:14px;
  padding:14px 20px; cursor:pointer; transition:.15s; user-select:none;}
.ts-group-header:hover{border-color:var(--indigo); background:#F9F8FF;}
.ts-group-header.open{border-radius:14px 14px 0 0; border-bottom-color:transparent; background:#F9F8FF;}
.ts-group-left{display:flex; align-items:center; gap:12px;}
.ts-group-icon{width:38px; height:38px; border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:1.2rem; flex-shrink:0;}
.ts-group-info h4{font-family:var(--display); font-weight:700; font-size:0.95rem; color:var(--ink);}
.ts-group-info span{font-family:var(--mono); font-size:0.7rem; color:var(--ink-soft);}
.ts-group-right{display:flex; align-items:center; gap:10px; flex-shrink:0;}
.ts-group-progress{font-family:var(--mono); font-size:0.7rem; color:var(--indigo); background:#EEEDFD; padding:3px 10px; border-radius:20px; white-space:nowrap;}
.ts-group-chevron{font-size:0.85rem; color:var(--ink-soft); transition:transform .2s;}
.ts-group-header.open .ts-group-chevron{transform:rotate(180deg);}
.ts-group-body{display:none; background:var(--surface); border:1px solid var(--line); border-top:none;
  border-radius:0 0 14px 14px; padding:16px; overflow:hidden;}
.ts-group-body.open{display:block;}
.ts-group-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:10px;}
@media(max-width:900px){.ts-group-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:560px){.ts-group-grid{grid-template-columns:1fr 1fr;}}
/* Compact card for grouped layout */
.ts-mini-card{background:var(--bg); border:1.5px solid var(--line); border-radius:12px;
  padding:14px 14px 12px; display:flex; flex-direction:column; gap:8px;
  cursor:pointer; transition:.15s; position:relative;}
.ts-mini-card:hover:not(.ts-mini-locked){border-color:var(--indigo); background:#F5F4FF; transform:translateY(-2px);}
.ts-mini-card.ts-mini-locked{opacity:0.55; cursor:default;}
.ts-mini-card.ts-mini-done{border-color:var(--green);}
.ts-mini-num{font-family:var(--mono); font-size:0.65rem; font-weight:700; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.06em;}
.ts-mini-label{font-family:var(--display); font-size:0.82rem; font-weight:700; color:var(--ink); line-height:1.3;}
.ts-mini-meta{font-family:var(--mono); font-size:0.65rem; color:var(--ink-soft);}
.ts-mini-score{font-family:var(--mono); font-size:0.65rem; color:var(--green); font-weight:700;}
.ts-mini-badge{position:absolute; top:8px; right:8px; font-size:0.6rem; font-weight:700;
  padding:2px 7px; border-radius:10px; background:#FEF3C7; color:#92400E;}
.ts-mini-btn{margin-top:auto; padding:6px 0; border-radius:8px; border:none; font-family:var(--body);
  font-size:0.75rem; font-weight:700; cursor:pointer; transition:.15s; text-align:center; width:100%;}
.ts-mini-btn.start{background:var(--indigo); color:#fff;}
.ts-mini-btn.start:hover{background:#3730a3;}
.ts-mini-btn.done{background:var(--green-soft); color:var(--green);}
.ts-mini-btn.locked{background:var(--line); color:var(--ink-soft); cursor:default;}
/* Full-length group special styling */
.ts-group-header.full-group{border-color:rgba(234,179,8,.35); background:#FFFBEB;}
.ts-group-header.full-group:hover,.ts-group-header.full-group.open{background:#FEF3C7; border-color:rgba(234,179,8,.6);}

.ts-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; max-width:1100px; margin:0 auto;}
@media(max-width:860px){.ts-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.ts-grid{grid-template-columns:1fr;}}
.ts-card{background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:24px 22px; display:flex; flex-direction:column; gap:14px; transition:.2s; cursor:pointer; position:relative; overflow:hidden;}
.ts-card::before{content:""; position:absolute; inset:0; background:linear-gradient(135deg,rgba(79,70,229,0.04),rgba(124,58,237,0.04)); opacity:0; transition:.2s;}
.ts-card:hover{transform:translateY(-3px); box-shadow:0 16px 36px rgba(21,23,46,0.1); border-color:var(--indigo);}
.ts-card:hover::before{opacity:1;}
.ts-card-top{display:flex; align-items:flex-start; justify-content:space-between; gap:10px;}
.ts-card-icon{width:46px; height:46px; border-radius:14px; display:flex; align-items:center; justify-content:center; font-size:1.4rem; flex-shrink:0;}
.ts-card-meta{display:flex; flex-direction:column; align-items:flex-end; gap:6px;}
.ts-badge{font-family:var(--mono); font-size:0.65rem; font-weight:700; text-transform:uppercase; letter-spacing:0.05em; padding:4px 10px; border-radius:20px;}
.ts-badge.subject{background:#EAF2FF; color:#1D4ED8;}
.ts-badge.full{background:#FEF3C7; color:#92400E;}
.ts-badge.attempted{background:var(--green-soft); color:var(--green);}
.ts-card h4{font-family:var(--display); font-size:1rem; font-weight:700; line-height:1.3;}
.ts-card p{font-size:0.82rem; color:var(--ink-soft); line-height:1.5; flex:1;}
.ts-card-stats{display:flex; gap:16px; padding-top:12px; border-top:1px solid var(--line);}
.ts-stat{font-family:var(--mono); font-size:0.72rem; color:var(--ink-soft);}
.ts-stat b{display:block; font-size:0.92rem; color:var(--ink); margin-bottom:1px;}
.ts-card-footer{display:flex; align-items:center; justify-content:space-between; gap:10px;}
.ts-card-footer .ts-score{font-family:var(--mono); font-size:0.75rem; color:var(--green); font-weight:700;}

/* Test Series Exam Screen */
.ts-exam{display:none; max-width:860px; margin:0 auto;}
.ts-exam.show{display:block;}
.ts-exam-header{background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:18px 24px; display:flex; align-items:center; justify-content:space-between; gap:14px; margin-bottom:20px; flex-wrap:wrap;}
.ts-exam-title{font-family:var(--display); font-weight:700; font-size:1.05rem;}
.ts-exam-meta{font-size:0.8rem; color:var(--ink-soft);}
.ts-timer{font-family:var(--mono); font-size:1.1rem; font-weight:700; color:var(--indigo); background:#EEEDFD; padding:8px 16px; border-radius:10px; min-width:80px; text-align:center;}
.ts-timer.warn{color:var(--coral); background:#FEF2F2;}
.ts-progress-bar{height:5px; background:var(--line); border-radius:4px; margin-bottom:20px; overflow:hidden;}
.ts-progress-fill{height:100%; background:linear-gradient(90deg,var(--indigo),var(--violet)); border-radius:4px; transition:width .3s;}
.ts-question-card{background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:28px 28px 24px;}
.ts-qnum{font-family:var(--mono); font-size:0.7rem; font-weight:700; text-transform:uppercase; letter-spacing:0.07em; color:var(--indigo); margin-bottom:12px;}
.ts-qtext{font-size:1rem; font-weight:600; line-height:1.6; color:var(--ink); margin-bottom:24px;}
.ts-options{display:flex; flex-direction:column; gap:10px;}
.ts-opt{display:flex; align-items:flex-start; gap:13px; padding:13px 16px; border:1.5px solid var(--line); border-radius:12px; cursor:pointer; transition:.15s; background:var(--bg); text-align:left; width:100%; font-family:var(--body);}
.ts-opt:hover:not(.answered){border-color:var(--indigo); background:#F5F4FF;}
.ts-opt .ol{width:26px; height:26px; border-radius:50%; border:1.5px solid var(--line); display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-size:0.72rem; font-weight:700; flex-shrink:0; transition:.15s;}
.ts-opt .ot{font-size:0.9rem; line-height:1.5; flex:1;}
.ts-opt.selected{border-color:var(--indigo); background:#EEEDFD;}
.ts-opt.selected .ol{background:var(--indigo); border-color:var(--indigo); color:#fff;}
.ts-opt.correct{border-color:var(--green); background:var(--green-soft);}
.ts-opt.correct .ol{background:var(--green); border-color:var(--green); color:#fff;}
.ts-opt.wrong{border-color:var(--coral); background:#FEF2F2;}
.ts-opt.wrong .ol{background:var(--coral); border-color:var(--coral); color:#fff;}
.ts-opt.answered{cursor:default;}
.ts-explanation{margin-top:18px; padding:14px 16px; background:#FFFBE6; border:1px solid #FDE68A; border-radius:12px; font-size:0.86rem; line-height:1.6; display:none;}
.ts-explanation.show{display:block;}
.ts-explanation strong{color:var(--ink); display:block; margin-bottom:4px;}
.ts-exam-nav{display:flex; align-items:center; justify-content:space-between; margin-top:20px; gap:12px;}
.ts-palette{display:flex; gap:6px; flex-wrap:wrap; max-width:340px;}
.ts-palette-dot{width:26px; height:26px; border-radius:6px; font-family:var(--mono); font-size:0.66rem; font-weight:700; display:flex; align-items:center; justify-content:center; cursor:pointer; border:1.5px solid var(--line); background:var(--bg); color:var(--ink-soft); transition:.1s;}
.ts-palette-dot.answered{background:var(--indigo); border-color:var(--indigo); color:#fff;}
.ts-palette-dot.current{border-color:var(--amber); color:var(--amber);}

/* Test Result Screen */
.ts-result{display:none; max-width:760px; margin:0 auto;}
.ts-result.show{display:block;}
.ts-result-hero{background:linear-gradient(135deg,var(--indigo),var(--violet)); border-radius:20px; padding:36px 32px; color:#fff; text-align:center; margin-bottom:24px;}
.ts-result-score{font-family:var(--display); font-size:3.2rem; font-weight:800; line-height:1;}
.ts-result-label{font-size:1rem; opacity:.85; margin-top:8px;}
.ts-result-stats{display:flex; justify-content:center; gap:32px; margin-top:24px; flex-wrap:wrap;}
.ts-result-stat{text-align:center;}
.ts-result-stat b{display:block; font-family:var(--mono); font-size:1.3rem; font-weight:700;}
.ts-result-stat span{font-size:0.78rem; opacity:.8;}
.ts-review{background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:22px; margin-bottom:16px;}
.ts-review-q{font-size:0.9rem; font-weight:600; color:var(--ink); margin-bottom:10px; line-height:1.5;}
.ts-review-opts{display:flex; flex-direction:column; gap:6px;}
.ts-review-opt{font-size:0.82rem; padding:8px 12px; border-radius:8px; border:1px solid var(--line); display:flex; align-items:center; gap:8px;}
.ts-review-opt.correct{background:var(--green-soft); border-color:var(--green); color:var(--green);}
.ts-review-opt.wrong{background:#FEF2F2; border-color:var(--coral); color:var(--coral);}
.ts-review-exp{margin-top:8px; font-size:0.8rem; color:var(--ink-soft); line-height:1.55; padding:8px 12px; background:var(--line-soft); border-radius:8px;}
.ts-list-header{max-width:1100px; margin:0 auto 20px; display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:10px;}
.ts-filter-tabs{display:flex; gap:6px; background:var(--line-soft); border-radius:10px; padding:4px;}
.ts-filter-tab{border:none; background:transparent; padding:8px 16px; border-radius:8px; font-family:var(--body); font-weight:700; font-size:0.8rem; color:var(--ink-soft); cursor:pointer; transition:.15s;}
.ts-filter-tab.active{background:var(--surface); color:var(--indigo); box-shadow:0 2px 8px rgba(21,23,46,0.08);}
.ts-locked-overlay{text-align:center; padding:60px 24px; max-width:480px; margin:0 auto;}
.ts-locked-overlay .lock-icon{font-size:3rem; margin-bottom:16px;}
.ts-locked-overlay h3{font-family:var(--display); font-size:1.4rem; font-weight:700; margin-bottom:10px;}
.ts-locked-overlay p{color:var(--ink-soft); font-size:0.9rem; line-height:1.6; margin-bottom:24px;}

/* FOOTER */
footer{background:var(--ink); color:#C9CEDB; padding:54px 28px 26px; border-radius:28px 28px 0 0; margin-top:10px;}
.foot-grid{max-width:1180px; margin:0 auto; display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr 1fr; gap:30px;}
.foot-grid h5{font-family:var(--display); color:#fff; margin-bottom:14px; font-weight:700;}
.foot-grid p,.foot-grid a{font-size:0.85rem; color:#9DA6BC; text-decoration:none; display:block; margin-bottom:9px;}
.foot-grid a:hover{color:#fff;}
.foot-bottom{max-width:1180px; margin:36px auto 0; padding-top:20px; border-top:1px solid #2E3257; font-family:var(--mono); font-size:0.72rem; color:#7E84A6; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;}

/* MODAL */
.modal-bg{position:fixed; inset:0; background:rgba(21,23,46,0.55); display:none; align-items:center; justify-content:center; z-index:100; padding:20px;}
.modal-bg.show{display:flex;}
.auth-waiting-spinner{width:40px; height:40px; border-radius:50%; border:3px solid var(--line); border-top-color:var(--indigo); margin:6px auto 0; animation:authspin 0.8s linear infinite;}
@keyframes authspin{to{transform:rotate(360deg);}}
.modal{background:var(--surface); border-radius:22px; max-width:420px; width:100%; padding:30px; position:relative; box-shadow:0 30px 70px rgba(0,0,0,0.25);}
.modal.modal-legal{max-width:680px; max-height:82vh; display:flex; flex-direction:column;}
.modal-legal .legal-body{overflow-y:auto; padding-right:6px; font-size:0.88rem; color:var(--ink-soft); line-height:1.65;}
.modal-legal .legal-body h4{font-family:var(--display); font-size:1rem; color:var(--ink); margin:20px 0 8px; font-weight:700;}
.modal-legal .legal-body h4:first-child{margin-top:0;}
.modal-legal .legal-body p{margin-bottom:10px;}
.modal-legal .legal-body ul{padding-left:20px; margin-bottom:10px;}
.modal-legal .legal-body li{margin-bottom:6px;}
.modal-legal .legal-updated{font-family:var(--mono); font-size:0.72rem; color:var(--ink-soft); margin-bottom:18px; display:block;}

/* Syllabus Tracker modal */
.modal-syllabus{max-width:720px;}
.syl-progress-row{display:flex; align-items:center; gap:12px; margin-bottom:8px;}
.syl-progress-bar{flex:1; height:9px; border-radius:6px; background:var(--line-soft); overflow:hidden;}
.syl-progress-fill{height:100%; width:0%; background:linear-gradient(90deg,var(--indigo),var(--violet)); border-radius:6px; transition:width 0.4s ease;}
.syl-progress-label{font-family:var(--mono); font-size:0.74rem; font-weight:700; color:var(--ink-soft); white-space:nowrap;}
.syl-hint{font-size:0.8rem; color:var(--ink-soft); margin:8px 0 16px; line-height:1.5;}
.syl-paper{margin-bottom:18px; border:1px solid var(--line); border-radius:14px; overflow:hidden;}
.syl-paper-head{display:flex; align-items:center; justify-content:space-between; gap:10px; padding:13px 16px; background:var(--line-soft); cursor:pointer; user-select:none;}
.syl-paper-title{font-family:var(--display); font-weight:700; font-size:0.92rem;}
.syl-paper-meta{display:flex; align-items:center; gap:10px; flex-shrink:0;}
.syl-paper-pct{font-family:var(--mono); font-size:0.72rem; font-weight:700; color:var(--indigo);}
.syl-paper-chevron{font-size:0.75rem; color:var(--ink-soft); transition:transform 0.15s ease;}
.syl-paper.open .syl-paper-chevron{transform:rotate(180deg);}
.syl-paper-topics{display:none; padding:6px 0;}
.syl-paper.open .syl-paper-topics{display:block;}
.syl-topic{display:flex; align-items:flex-start; gap:12px; padding:11px 16px; border-top:1px solid var(--line);}
.syl-topic-text{flex:1; font-size:0.85rem; line-height:1.5; color:var(--ink);}
.syl-topic.done .syl-topic-text{color:var(--ink-soft); text-decoration:line-through; text-decoration-color:var(--line);}
.syl-mark-btn{flex-shrink:0; font-family:var(--mono); font-size:0.68rem; font-weight:700; text-transform:uppercase; letter-spacing:0.03em; padding:6px 12px; border-radius:20px; border:1.5px solid var(--line); background:var(--surface); color:var(--ink-soft); cursor:pointer; white-space:nowrap; transition:all 0.15s ease;}
.syl-mark-btn:hover{border-color:var(--indigo); color:var(--indigo);}
.syl-mark-btn.done{background:linear-gradient(135deg,#10B981,#059669); border-color:transparent; color:#fff;}
.syl-mark-btn.done:hover{filter:brightness(1.05);}

/* Profile popover entry point */
.hpc-syllabus-entry{display:flex; align-items:center; gap:12px; width:100%; margin-top:14px; padding:11px 12px; border-radius:12px; border:1px solid var(--line); background:var(--line-soft); cursor:pointer; text-align:left;}
.hpc-syllabus-entry:hover{border-color:var(--indigo);}
.hpc-syl-ring{position:relative; width:38px; height:38px; flex-shrink:0;}
.hpc-syl-ring svg{width:100%; height:100%; transform:rotate(-90deg);}
.hpc-syl-ring-bg{fill:none; stroke:var(--line); stroke-width:3;}
.hpc-syl-ring-fg{fill:none; stroke:var(--indigo); stroke-width:3; stroke-dasharray:97.4; stroke-dashoffset:97.4; stroke-linecap:round; transition:stroke-dashoffset 0.4s ease;}
.hpc-syl-ring span{position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-size:0.6rem; font-weight:700; color:var(--ink);}
.hpc-syl-text{flex:1; min-width:0;}
.hpc-syl-title{font-family:var(--display); font-weight:700; font-size:0.82rem;}
.hpc-syl-sub{font-size:0.72rem; color:var(--ink-soft); margin-top:1px;}
.hpc-syl-arrow{color:var(--ink-soft); font-size:1.1rem; flex-shrink:0;}

.modal h3{font-family:var(--display); font-size:1.3rem; margin-bottom:20px; font-weight:700;}
.modal .close{position:absolute; top:16px; right:18px; cursor:pointer; font-size:1.2rem; background:none; border:none; color:var(--ink-soft);}
.field{margin-bottom:14px;}
.field label{font-size:0.78rem; font-weight:700; color:var(--ink-soft); display:block; margin-bottom:6px;}
.field input,.field select{width:100%; padding:11px 13px; border:1.5px solid var(--line); border-radius:10px; font-family:var(--body); font-size:0.9rem;}
.field input:focus,.field select:focus{outline:none; border-color:var(--indigo);}
.modal .btn{width:100%; margin-top:6px;}
.divider{display:flex; align-items:center; gap:10px; margin:18px 0; font-family:var(--mono); font-size:0.7rem; color:var(--ink-soft);}
.divider::before,.divider::after{content:""; flex:1; height:1px; background:var(--line);}
.auth-tabs{display:flex; gap:6px; background:var(--line-soft); border-radius:10px; padding:4px; margin-bottom:18px;}
.auth-tab{flex:1; border:none; background:transparent; padding:9px 0; border-radius:8px; font-family:var(--body); font-weight:700; font-size:0.85rem; color:var(--ink-soft); cursor:pointer; transition:.15s;}
.auth-tab.active{background:var(--surface); color:var(--indigo); box-shadow:0 2px 8px rgba(21,23,46,0.08);}
.field-error{color:var(--coral); font-size:0.8rem; font-weight:600; margin:-6px 0 14px;}
.toast{position:fixed; bottom:24px; left:50%; transform:translateX(-50%); background:var(--ink); color:#fff; padding:13px 24px; border-radius:30px; font-size:0.85rem; z-index:200; display:none; font-family:var(--body); box-shadow:0 14px 34px rgba(0,0,0,0.25);}
.toast.show{display:block;}
.streak-popup{position:fixed; top:18%; left:50%; transform:translate(-50%,-12px) scale(0.85); background:linear-gradient(135deg,var(--amber),var(--coral)); color:#fff; font-family:var(--display); font-weight:800; font-size:1.1rem; padding:12px 26px; border-radius:30px; box-shadow:0 16px 36px rgba(245,158,11,0.4); z-index:9998; opacity:0; transition:opacity 0.25s ease, transform 0.25s ease; pointer-events:none; white-space:nowrap;}
.streak-popup.show{opacity:1; transform:translate(-50%,0) scale(1);}
.profile-pill{display:flex; align-items:center; gap:8px; font-family:var(--body); font-weight:600; font-size:0.82rem; background:var(--surface); padding:8px 16px; border-radius:30px; border:1.5px solid var(--line);}
.logout-link{background:none; border:none; cursor:pointer; font-size:0.9rem; color:var(--ink-soft); padding:0 0 0 2px; line-height:1;}
.logout-link:hover{color:var(--coral);}

/* HERO PROFILE CARD (shown in the hero once a user is signed in) */
.hero-profile-card{display:none; position:relative; align-items:center; gap:12px; background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:10px 16px; margin-bottom:22px; box-shadow:0 12px 28px rgba(21,23,46,0.07); align-self:flex-end; max-width:340px; width:100%;}
.hero-profile-card.show{display:flex;}
.hpc-avatar-wrap{position:relative; flex-shrink:0; background:none; border:none; padding:0; cursor:pointer;}
.hpc-pop-avatar-wrap{position:relative; flex-shrink:0;}
.hpc-avatar{width:46px; height:46px; border-radius:50%; flex-shrink:0; background:linear-gradient(135deg,var(--indigo),var(--violet)); overflow:hidden; box-shadow:0 6px 16px rgba(79,70,229,0.3);}
.hpc-avatar img{width:100%; height:100%; object-fit:cover; display:block;}
.hpc-avatar-edit{position:absolute; bottom:-2px; right:-2px; width:21px; height:21px; border-radius:50%; background:var(--indigo); color:#fff; border:2px solid var(--surface); font-size:10px; display:flex; align-items:center; justify-content:center; cursor:pointer; padding:0; line-height:1;}
.hpc-avatar-edit:hover{background:var(--violet);}
.hpc-body{flex:1; min-width:0;}
.hpc-name{font-family:var(--display); font-weight:700; font-size:1.05rem; line-height:1.25;}
.hpc-name-row{display:flex; align-items:center; gap:8px; background:none; border:none; padding:0; cursor:pointer; width:100%; text-align:left; color:var(--ink);}
.hpc-chevron{font-size:0.7rem; color:var(--ink-soft); margin-left:auto; transition:transform 0.15s ease;}
.hero-profile-card.pop-open .hpc-chevron{transform:rotate(180deg);}
.hpc-pop-name{font-family:var(--display); font-weight:700; font-size:1rem; line-height:1.25;}
.hpc-pop-header{display:flex; align-items:center; gap:12px; margin-bottom:14px;}
.hpc-badges{display:flex; gap:6px; margin-top:6px; flex-wrap:wrap;}
.hpc-badge{font-family:var(--mono); font-size:0.66rem; font-weight:700; text-transform:uppercase; letter-spacing:0.04em; background:var(--line-soft); color:var(--ink-soft); padding:4px 10px; border-radius:20px; white-space:nowrap;}
.hpc-badge.plan{background:linear-gradient(135deg,#F59E0B,#FB923C); color:#1A1200;}
.hpc-badge.rank{background:linear-gradient(135deg,#4F46E5,#7C3AED); color:#fff; cursor:pointer; font-size:0.62rem; padding:3px 9px;}
.hpc-badge.rank:hover{filter:brightness(1.08);}
.hpc-contact{font-size:0.76rem; color:var(--ink-soft); margin-top:3px; word-break:break-word;}
.hpc-logout{flex-shrink:0;}
.hpc-popover{display:none; position:absolute; top:calc(100% + 10px); right:0; left:0; background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:16px; box-shadow:0 18px 40px rgba(21,23,46,0.16); z-index:50; max-height:min(560px, calc(100vh - 120px)); max-height:min(560px, calc(100dvh - 120px)); overflow-y:auto; -webkit-overflow-scrolling:touch;}
.hpc-popover.show{display:block;}
.hpc-pop-footer{border-top:1px solid var(--line); margin:12px -16px -16px; padding:10px 16px 16px; position:sticky; bottom:-16px; background:var(--surface);}
@media(max-width:960px){
  .hero-profile-card{max-width:100%; align-self:stretch;}
}
@media(max-width:520px){
  .hero-profile-card{flex-wrap:wrap;}
}

@media(max-width:1080px){
  .navlinks{display:none;}
  .menubtn{display:block;}
  nav{position:relative;}
  .navlinks.open{
    display:flex; flex-direction:column; gap:2px;
    position:absolute; top:100%; left:0; right:0;
    background:var(--surface); border:1px solid var(--line); border-top:none;
    padding:10px 18px 16px; box-shadow:0 16px 30px rgba(21,23,46,0.10); z-index:60;
  }
  .navlinks.open li{width:100%;}
  .navlinks.open a{display:block; padding:11px 4px; border-bottom:1px solid var(--line);}
  .navlinks.open li:last-child a{border-bottom:none;}
  /* The in-nav "Install app" button competes with Log in / Start free /
     hamburger for the same cramped row on mobile, and was a big part of
     why the hamburger got pushed off-screen. A floating "⬇ Install app"
     pill (bottom-right, added via JS — see floatInstallBtn) already
     covers this exact action on mobile, so hiding the nav copy here
     loses no functionality — it just declutters the row. Desktop keeps
     showing it normally above this breakpoint. */
  #installAppBtn{display:none !important;}
}
/* Small phones: logo text + Log in + Start free + hamburger were wider
   than the viewport combined (all nowrap, none of them allowed to
   shrink), so the row overflowed and pushed the hamburger button past
   the right edge instead of wrapping. Compact everything in the row so
   it actually fits instead of spilling off-screen. */
@media(max-width:480px){
  nav{padding:12px 14px; gap:8px; flex-wrap:nowrap;}
  .logo{font-size:1.02rem; gap:6px; white-space:nowrap; flex-shrink:0;}
  .logo .mark{width:30px; height:30px; font-size:0.8rem; border-radius:8px;}
  .navcta{gap:6px; flex-shrink:1; min-width:0;}
  nav .btn{padding:8px 10px; font-size:0.74rem;}
  /* "Start free" was staying on one nowrap line and eating up all the
     spare width, which is what pushed the hamburger past the edge.
     Letting it wrap into two short lines (Start / free) keeps the
     button narrow instead of wide, freeing up horizontal space so the
     hamburger always stays visible. */
  nav .btn.primary{
    white-space:normal; word-break:break-word; text-align:center;
    line-height:1.15; padding:6px 10px; max-width:52px; flex-shrink:0;
  }
  .menubtn{font-size:1.3rem; padding:0 2px; flex-shrink:0; margin-left:2px;}
}
@media(max-width:560px){
  .dash-grid{grid-template-columns:1fr;}
  section{padding:64px 18px;}
  .pricing-grid, .quiz-cards, .ca-grid{grid-template-columns:1fr;}
}
@media(max-width:900px){
  .foot-grid{grid-template-columns:1fr 1fr; gap:26px 30px;}
}
@media(max-width:560px){
  .foot-grid{grid-template-columns:1fr;}
}
@media(max-width:480px){
  #installAppBtn{padding:9px 12px; font-size:0;}
  #installAppBtn::before{content:"⬇"; font-size:1rem;}
}
/* ── HUB SECTION ── */
.hub-subject-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:1100px;margin:0 auto;}
@media(max-width:860px){.hub-subject-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:600px){.hub-subject-grid{grid-template-columns:repeat(2,1fr);}}
.hub-subject-card{
  position:relative;border:1px solid var(--line);border-radius:14px;
  padding:18px 14px;text-align:center;cursor:pointer;
  background:var(--surface);transition:.18s;
}
.hub-subject-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(21,23,46,0.10);border-color:var(--indigo);}
.hub-subject-card .hub-lock{position:absolute; top:8px; right:8px; font-size:0.85rem; opacity:0.55;}
.hub-subject-card.locked .hub-icon{filter:grayscale(0.4);}
.hub-subject-card .hub-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.45rem;margin:0 auto 10px;}
.hub-subject-card .hub-name{font-family:var(--display);font-weight:700;font-size:0.9rem;color:var(--ink);}
.hub-subject-card .hub-sub{font-size:0.72rem;color:var(--ink-soft);margin-top:3px;}
.hub-subject-card .hub-badge{display:inline-block;margin-top:7px;font-size:0.68rem;font-weight:700;padding:2px 9px;border-radius:12px;}
.hub-gs-row{display:flex;gap:5px;justify-content:center;margin-top:6px;flex-wrap:wrap;}
.hub-gs-chip{font-size:0.65rem;font-weight:700;padding:2px 7px;border-radius:8px;background:var(--line-soft);color:var(--indigo);}

/* ── HUB MODAL ── */
#hubModal{
  display:none;position:fixed;inset:0;z-index:200;
  background:rgba(21,23,46,.55);backdrop-filter:blur(4px);
  align-items:center;justify-content:center;
}
#hubModal.open{display:flex;}
#hubModalBox{
  position:relative;width:96vw;max-width:1280px;height:92vh;
  background:#fff;border-radius:18px;overflow:hidden;
  box-shadow:0 30px 80px rgba(21,23,46,0.22);display:flex;flex-direction:column;
}
#hubModalBar{
  display:flex;align-items:center;gap:14px;padding:11px 20px;
  background:#12295A;color:#fff;flex-shrink:0;
}
#hubModalBar span{font-family:var(--display);font-weight:700;font-size:0.95rem;flex:1;color:#C8941A;}
#hubModalClose{
  background:rgba(255,255,255,.12);border:none;color:#fff;
  font-size:1.2rem;width:34px;height:34px;border-radius:8px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:.15s;flex-shrink:0;
}
#hubModalClose:hover{background:rgba(255,255,255,.25);}
/* Inline hub body (replaces iframe) */
#hubInnerBody{flex:1;overflow:hidden;display:flex;flex-direction:column;}

/* hub icon palette */
.hub-ic-history{background:#FDF0ED;}
.hub-ic-artculture{background:#FEF6E2;}
.hub-ic-polity{background:#EDF4FB;}
.hub-ic-economy{background:#E6F5EC;}
.hub-ic-science{background:#F0EAF9;}
.hub-ic-ir{background:#E0F5F5;}
.hub-ic-env{background:#E6F5EC;}
.hub-ic-geo{background:#FEF0E8;}
.hub-ic-ca{background:#F8EAEC;}
.hub-ic-governance{background:#E0F5F5;}
.hub-ic-socialjustice{background:#F8EAEC;}
.hub-ic-intsec{background:#F8EAEC;}

/* ── HUB INNER STYLES (scoped inside #hubInnerBody) ── */
#hubInnerBody{
  font-family:'Inter',system-ui,sans-serif;font-size:14px;line-height:1.6;background:#FDFAF4;color:#1A1A1A;
  --saffron:#E8621A;--saff-lt:#FEF0E8;
  --navy:#12295A;--navy-mid:#1E3F7A;--navy-lt:#E8EDF8;
  --green:#137540;--green-lt:#E6F5EC;
  --gold:#C8941A;--gold-lt:#FEF6E2;
  --teal:#0D7A7A;--teal-lt:#E0F5F5;
  --purple:#6A2DB8;--purple-lt:#F0EAF9;
  --crimson:#8B1A2A;--crimson-lt:#F8EAEC;
  --cream:#FDFAF4;--parch:#F5F0E6;
  --gray:#F4F4F2;--gray-bd:#E0DDD8;--gray-mid:#666;--gray-dk:#333;
  --ink:#1A1A1A;--white:#fff;
  --radius:10px;--radius-sm:7px;
  --shadow:0 2px 12px rgba(0,0,0,.08);
}
#hubInnerBody *{box-sizing:border-box;}
#hubInnerBody button{font-family:inherit;cursor:pointer;border:none;background:none;}
#hubInnerBody b,#hubInnerBody strong{font-weight:600;}
/* Sidebar */
#hubInnerBody .sid-hd{padding:12px 14px 6px;font-size:10px;font-weight:700;color:#666;letter-spacing:.8px;text-transform:uppercase;}
#hubInnerBody .sid-btn{width:100%;display:flex;align-items:center;gap:9px;padding:9px 14px;border-left:3px solid transparent;color:#666;font-size:12.5px;text-align:left;transition:all .15s;line-height:1.3;}
#hubInnerBody .sid-btn:hover{background:#F4F4F2;color:#1A1A1A;}
#hubInnerBody .sid-btn.active{color:#1A1A1A;font-weight:600;background:#F4F4F2;}
#hubInnerBody .sid-ic{font-size:16px;}
#hubInnerBody .sid-badge{margin-left:auto;font-size:9px;font-weight:700;padding:1px 5px;border-radius:7px;}
#hubInnerBody .sid-sep{height:1px;background:#E0DDD8;margin:8px 14px;}
/* Banner */
#hubInnerBody .subj-banner{border-radius:10px;padding:16px 20px;margin-bottom:16px;display:flex;align-items:center;gap:14px;border:1px solid #E0DDD8;background:#fff;}
#hubInnerBody .bn-icon{font-size:34px;flex-shrink:0;}
#hubInnerBody .bn-title{font-family:'Merriweather',serif;font-size:16px;font-weight:700;margin-bottom:3px;}
#hubInnerBody .bn-sub{font-size:12px;color:#666;}
#hubInnerBody .gs-tags{display:flex;gap:5px;flex-wrap:wrap;margin-left:auto;}
#hubInnerBody .gs-tag{font-size:10px;font-weight:700;padding:3px 9px;border-radius:9px;border:1px solid;}
/* History tabs */
#hubInnerBody .hist-tabs{display:flex;border-bottom:1px solid #E0DDD8;margin-bottom:16px;overflow-x:auto;gap:0;}
#hubInnerBody .hist-tab{padding:9px 16px;border:none;background:transparent;color:#666;font-size:12.5px;font-weight:500;border-bottom:2px solid transparent;white-space:nowrap;transition:all .15s;}
#hubInnerBody .hist-tab:hover{color:#1A1A1A;background:#F4F4F2;}
#hubInnerBody .hist-tab.active{color:#1E3F7A;font-weight:700;border-bottom-color:#1E3F7A;background:transparent;}
/* Chapter layout */
#hubInnerBody .chap-wrap{display:flex;gap:0;min-height:460px;border:1px solid #E0DDD8;border-radius:10px;overflow:hidden;background:#fff;}
#hubInnerBody .chap-list{width:152px;flex-shrink:0;border-right:1px solid #E0DDD8;background:#F5F0E6;overflow-y:auto;}
#hubInnerBody .chap-btn{width:100%;display:block;text-align:left;padding:10px 12px;border:none;border-right:3px solid transparent;background:transparent;color:#666;font-size:11.5px;cursor:pointer;line-height:1.4;transition:all .15s;border-bottom:1px solid #E0DDD8;}
#hubInnerBody .chap-btn:hover:not(.active){background:#F4F4F2;}
#hubInnerBody .chap-btn.active{background:#fff;color:#1A1A1A;font-weight:600;}
#hubInnerBody .chap-ic{font-size:17px;display:block;margin-bottom:2px;}
/* Chapter content */
#hubInnerBody .chap-pane{flex:1;padding:16px 18px;overflow-y:auto;min-width:0;}
#hubInnerBody .chap-hdr{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap;}
#hubInnerBody .chap-hdr-title{font-size:15px;font-weight:700;font-family:'Merriweather',serif;}
#hubInnerBody .content-tabs{display:flex;gap:6px;margin-left:auto;}
#hubInnerBody .ct-btn{padding:5px 14px;border-radius:16px;border:1.5px solid #E0DDD8;background:transparent;color:#666;font-size:11.5px;font-weight:500;transition:all .15s;}
#hubInnerBody .ct-btn:hover{background:#F4F4F2;}
#hubInnerBody .ct-btn.active{background:#12295A;color:#fff;border-color:#12295A;}
/* Notes */
#hubInnerBody .note-block{margin-bottom:14px;border:1px solid #E0DDD8;border-radius:7px;overflow:hidden;}
#hubInnerBody .note-head{padding:7px 13px;font-size:11.5px;font-weight:700;background:#E8EDF8;color:#12295A;border-bottom:1px solid #E0DDD8;}
#hubInnerBody .note-body{padding:8px 13px;background:#fff;}
#hubInnerBody .note-item{font-size:12.5px;line-height:1.7;padding:4px 0;border-bottom:1px dashed #E0DDD8;color:#1A1A1A;}
#hubInnerBody .note-item:last-child{border-bottom:none;}
/* PYQs */
#hubInnerBody .pyq-card{background:#fff;border:1px solid #E0DDD8;border-radius:7px;padding:14px 16px;margin-bottom:13px;}
#hubInnerBody .pyq-q-row{display:flex;gap:9px;margin-bottom:12px;align-items:flex-start;}
#hubInnerBody .pyq-num{background:#E8EDF8;color:#12295A;font-size:10px;font-weight:700;padding:3px 8px;border-radius:6px;white-space:nowrap;flex-shrink:0;margin-top:2px;}
#hubInnerBody .pyq-q-text{font-size:13px;font-weight:600;line-height:1.5;color:#1A1A1A;}
#hubInnerBody .opts-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-bottom:8px;}
#hubInnerBody .opt{padding:8px 11px;border:1.5px solid #E0DDD8;border-radius:7px;background:#fff;color:#1A1A1A;font-size:12px;text-align:left;cursor:pointer;transition:all .15s;line-height:1.4;}
#hubInnerBody .opt:hover:not([disabled]){background:#E8EDF8;border-color:#12295A;}
#hubInnerBody .opt.correct{background:#E6F5EC;border-color:#137540;color:#137540;font-weight:600;}
#hubInnerBody .opt.wrong{background:#F8EAEC;border-color:#8B1A2A;color:#8B1A2A;}
#hubInnerBody .opt[disabled]{cursor:default;}
#hubInnerBody .exp-box{border-radius:7px;padding:11px 13px;font-size:12px;line-height:1.6;display:none;}
#hubInnerBody .exp-box.show{display:block;}
#hubInnerBody .exp-box.ok{background:#E6F5EC;border:1px solid #137540;color:#0a4a28;}
#hubInnerBody .exp-box.bad{background:#F8EAEC;border:1px solid #8B1A2A;color:#5a0a16;}
#hubInnerBody .exp-hdr{display:flex;align-items:center;gap:8px;margin-bottom:6px;flex-wrap:wrap;}
#hubInnerBody .exp-verdict{font-weight:700;font-size:12.5px;}
#hubInnerBody .yr-tag{margin-left:auto;background:#F4F4F2;color:#666;font-size:10px;padding:2px 8px;border-radius:8px;font-weight:600;}
/* Coming soon */
#hubInnerBody .cs-wrap{text-align:center;padding:40px 20px;}
#hubInnerBody .cs-emoji{font-size:48px;margin-bottom:14px;display:block;}
#hubInnerBody .cs-title{font-family:'Merriweather',serif;font-size:17px;font-weight:700;margin-bottom:8px;}
#hubInnerBody .cs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(155px,1fr));gap:9px;margin:18px auto;max-width:580px;text-align:left;}
#hubInnerBody .cs-topic{background:#F4F4F2;border:1px solid #E0DDD8;border-radius:7px;padding:9px 12px;font-size:12px;color:#333;}
#hubInnerBody .upload-hint{display:inline-flex;align-items:center;gap:8px;margin-top:18px;background:#FEF6E2;border:1px solid #C8941A;border-radius:10px;padding:11px 18px;font-size:12.5px;color:#7a5a00;font-weight:500;}
/* Stats row */
#hubInnerBody .stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin-top:16px;}
#hubInnerBody .stat-card{background:#fff;border:1px solid #E0DDD8;border-radius:10px;padding:12px 14px;border-left:4px solid #E0DDD8;}
#hubInnerBody .stat-ic{font-size:18px;margin-bottom:4px;}
#hubInnerBody .stat-lbl{font-size:12px;font-weight:700;}
#hubInnerBody .stat-val{font-size:11px;color:#666;margin-top:1px;}
/* Responsive */
/* Layout */
#shell {max-width:100%;margin:0 auto;display:flex;gap:0;height:calc(92vh - 54px);overflow:hidden;}
#hubSidebar {width:188px;flex-shrink:0;background:#fff;border-right:1px solid #E0DDD8;overflow-y:auto;height:100%;}
#hubMain {flex:1;padding:20px 24px;min-width:0;overflow-y:auto;height:100%;background:#FDFAF4;}
@media(max-width:768px){
  #hubSidebar{display:none;}
  #hubMain{padding:14px;}
  #hubInnerBody .opts-grid{grid-template-columns:1fr;}
  #hubInnerBody .stats-row{grid-template-columns:1fr 1fr;}
  #hubInnerBody .chap-list{width:120px;}
}