/* ============================================================
   THE ADMIN CBT PLATFORM — V3.0 PREMIUM REDESIGN
   Fonts: Exo 2 / Rajdhani / Orbitron / Nunito Sans
   Colors: ORIGINAL palette preserved exactly
============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@300;400;600;700;900&family=Rajdhani:wght@400;500;600;700&family=Orbitron:wght@400;600;700;900&family=Nunito+Sans:wght@400;600;700&display=swap');

/* ── TOKEN SYSTEM ──────────────────────────────────────────── */
:root {
  /* Original palette — untouched */
  --bg:#03080f; --bg2:#050c18; --bg3:#070e1e;
  --surface:#0a1428; --surface2:#0e1c38;
  --border:rgba(0,210,255,.1); --border2:rgba(0,210,255,.25);
  --neon:#00d2ff; --neon2:#0099cc; --neon3:#00ffcc;
  --gold:#ffd700; --green:#00e676; --red:#ff5252;
  --text:#e8f4f8; --text2:#8bafc8; --text3:#4a7a99;
  --wa:#25d366;
  --shadow-neon:0 0 24px rgba(0,210,255,.32);
  --shadow:0 8px 40px rgba(0,0,0,.7);
  --shadow-3d:0 20px 60px rgba(0,0,0,.8),0 8px 20px rgba(0,0,0,.5);
  --r:16px; --rsm:10px;
  --tr:all .3s cubic-bezier(.4,0,.2,1);
  --fd:'Nunito Sans',sans-serif;
  --fu:'Rajdhani',sans-serif;
  --fa:'Exo 2',sans-serif;
  --fd2:'Orbitron',monospace;
  --depth-light:rgba(255,255,255,.07);
  --depth-dark:rgba(0,0,0,.45);

  /* V3.0 Layout tokens */
  --sidebar-w:240px;
  --bottomnav-h:68px;
  --content-max:1100px;
  --glass-bg:rgba(10,20,40,.6);
  --glass-border:rgba(0,210,255,.12);
}

/* ── LIGHT THEME OVERRIDES ─────────────────────────────────── */
html[data-theme="light"] {
  --bg:#f3f6fb; --bg2:#eaf0f8; --bg3:#e2eaf4;
  --surface:#ffffff; --surface2:#f6f9fd;
  --border:rgba(0,110,170,.14); --border2:rgba(0,110,170,.28);
  --neon:#0089b8; --neon2:#00688f; --neon3:#00a884;
  --gold:#b8860c; --green:#0a9d52; --red:#d63c3c;
  --text:#0c2032; --text2:#3d5b70; --text3:#6a889c;
  --shadow-neon:0 0 24px rgba(0,137,184,.18);
  --shadow:0 8px 40px rgba(20,40,70,.08);
  --shadow-3d:0 20px 60px rgba(20,40,70,.12),0 8px 20px rgba(20,40,70,.06);
  --depth-light:rgba(255,255,255,.7);
  --depth-dark:rgba(20,40,70,.05);
  --glass-bg:rgba(255,255,255,.72);
  --glass-border:rgba(0,110,170,.14);
}
html[data-theme="light"] #grid-canvas{opacity:.25}
html[data-theme="light"] body{background:var(--bg)}

body, .topbar, .v3-sidebar, .quick-card, .course-card-v3, .summary-card, .stat-card, .surface, .glass{
  transition:background-color .25s ease, border-color .25s ease, color .25s ease;
}

/* ── THEME TOGGLE BUTTON ───────────────────────────────────── */
.theme-toggle-btn{
  display:flex; align-items:center; justify-content:center;
  width:34px; height:34px; border-radius:9px;
  background:rgba(0,210,255,.06); border:1px solid var(--border);
  color:var(--text2); transition:var(--tr);
}
.theme-toggle-btn:hover{background:rgba(0,210,255,.12); color:var(--neon)}
.theme-toggle-btn .icon-sun, .theme-toggle-btn .icon-moon{display:block}
html[data-theme="dark"] .theme-toggle-btn .icon-sun{display:none}
html[data-theme="light"] .theme-toggle-btn .icon-moon{display:none}

/* ── GLOBAL SEARCH ──────────────────────────────────────────── */
.gsearch-btn{
  display:flex; align-items:center; gap:6px;
  width:34px; height:34px; border-radius:9px; padding:0;
  background:rgba(0,210,255,.06); border:1px solid var(--border);
  color:var(--text2); transition:var(--tr); cursor:pointer;
}
.gsearch-btn:hover{background:rgba(0,210,255,.12); color:var(--neon)}
.gsearch-overlay{
  position:fixed; inset:0; z-index:9999; display:none;
  background:rgba(3,8,15,.72); backdrop-filter:blur(4px);
  padding:70px 16px 16px;
}
.gsearch-overlay.show{display:block}
.gsearch-modal{
  max-width:560px; margin:0 auto; max-height:78vh; display:flex; flex-direction:column;
  background:var(--surface); border:1px solid var(--glass-border); border-radius:16px;
  box-shadow:var(--shadow-3d); overflow:hidden;
}
.gsearch-input-row{display:flex; align-items:center; gap:10px; padding:14px 16px; border-bottom:1px solid var(--border)}
.gsearch-input-row svg{flex-shrink:0; color:var(--text3)}
.gsearch-input{flex:1; background:transparent; border:none; outline:none; color:var(--text); font-family:var(--fd); font-size:.95rem}
.gsearch-close{flex-shrink:0; color:var(--text3); cursor:pointer; padding:2px}
.gsearch-results{overflow-y:auto; padding:8px}
.gsearch-group-label{font-family:var(--fu); font-size:.66rem; font-weight:700; text-transform:uppercase; letter-spacing:.5px; color:var(--text3); padding:10px 10px 4px}
.gsearch-item{display:flex; align-items:center; gap:10px; padding:10px; border-radius:10px; cursor:pointer; color:var(--text2); text-decoration:none}
.gsearch-item:hover{background:rgba(0,210,255,.08); color:var(--text)}
.gsearch-item-icon{flex-shrink:0; width:28px; height:28px; border-radius:8px; display:flex; align-items:center; justify-content:center; background:rgba(0,210,255,.08); color:var(--neon); font-size:.85rem}
.gsearch-item-text{min-width:0; flex:1}
.gsearch-item-title{font-size:.85rem; font-weight:600; color:var(--text); white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.gsearch-item-sub{font-size:.72rem; color:var(--text3); white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.gsearch-empty{padding:32px 16px; text-align:center; color:var(--text3); font-size:.85rem}
.gsearch-hint{padding:10px 16px; border-top:1px solid var(--border); font-size:.68rem; color:var(--text3); display:flex; gap:14px}
.gsearch-hint kbd{background:var(--glass-bg); border:1px solid var(--border); border-radius:4px; padding:1px 5px; font-family:var(--fd2)}

/* ── TEXT-TO-SPEECH BUTTONS ─────────────────────────────────── */
.tts-btn{
  display:inline-flex; align-items:center; justify-content:center;
  width:24px; height:24px; border-radius:7px; flex-shrink:0; padding:0;
  background:rgba(0,210,255,.06); border:1px solid rgba(0,210,255,.15);
  color:var(--text3); cursor:pointer; transition:var(--tr);
}
.tts-btn:hover{color:var(--neon); background:rgba(0,210,255,.12)}
.tts-btn.tts-playing{color:var(--neon); background:rgba(0,210,255,.18); animation:tts-pulse 1.2s ease-in-out infinite}
.tts-btn.tts-paused{color:var(--gold)}
@keyframes tts-pulse{0%,100%{box-shadow:0 0 0 0 rgba(0,210,255,.3)}50%{box-shadow:0 0 0 4px rgba(0,210,255,0)}}
.tts-speed-select{background:var(--glass-bg); border:1px solid var(--glass-border); border-radius:6px; color:var(--text2); font-family:var(--fd2); font-size:.68rem; padding:2px 4px}

/* ── RESET ─────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;height:100%}
body{
  font-family:var(--fd);
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:var(--neon2);border-radius:3px}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;background:none;font-family:var(--fd)}
img{max-width:100%;display:block}

/* ── GRID CANVAS ───────────────────────────────────────────── */
#grid-canvas{position:fixed;inset:0;pointer-events:none;z-index:0;opacity:0.13}

/* ── APP SHELL ─────────────────────────────────────────────── */
.app-shell{
  display:flex;
  min-height:100vh;
  position:relative;
  z-index:1;
}

/* ── SIDEBAR ───────────────────────────────────────────────── */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:linear-gradient(180deg,rgba(5,12,24,.98) 0%,rgba(3,8,15,.98) 100%);
  border-right:1px solid var(--glass-border);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  display:flex;
  flex-direction:column;
  z-index:100;
  transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.sidebar-logo{
  padding:28px 20px 24px;
  display:flex;
  align-items:center;
  gap:12px;
  border-bottom:1px solid var(--glass-border);
}
.sidebar-logo-img{
  width:36px;height:36px;border-radius:8px;
  object-fit:cover;
}
.sidebar-logo-text{
  font-family:var(--fd2);
  font-size:.75rem;
  font-weight:700;
  color:var(--neon);
  letter-spacing:1px;
  line-height:1.3;
}
.sidebar-logo-sub{
  display:block;
  color:var(--text2);
  font-size:.6rem;
  letter-spacing:2px;
}
.sidebar-nav{
  flex:1;
  min-height:0;
  overflow-y:auto;
  overflow-x:hidden;
  padding:16px 12px;
  display:flex;
  flex-direction:column;
  gap:4px;
  scrollbar-width:thin;
  scrollbar-color:rgba(0,210,255,.3) transparent;
}
.sidebar-nav::-webkit-scrollbar{width:5px}
.sidebar-nav::-webkit-scrollbar-track{background:transparent}
.sidebar-nav::-webkit-scrollbar-thumb{background:rgba(0,210,255,.25);border-radius:10px}
.sidebar-nav::-webkit-scrollbar-thumb:hover{background:rgba(0,210,255,.45)}
/* Soft fade hints at the top/bottom edges when the nav list has more
   items than fit — a subtle, professional cue that it scrolls. */
.sidebar-nav{
  -webkit-mask-image:linear-gradient(to bottom, transparent 0, #000 12px, #000 calc(100% - 12px), transparent 100%);
  mask-image:linear-gradient(to bottom, transparent 0, #000 12px, #000 calc(100% - 12px), transparent 100%);
}
.sidebar-link{
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 14px;
  border-radius:10px;
  color:var(--text2);
  font-family:var(--fu);
  font-size:.9rem;
  font-weight:500;
  transition:var(--tr);
  position:relative;
  overflow:hidden;
}
.sidebar-link:hover{
  background:rgba(0,210,255,.06);
  color:var(--text);
}
.verified-badge{
  display:inline-flex;
  vertical-align:middle;
  margin-left:3px;
  color:var(--gold);
  flex-shrink:0;
}
.nav-badge{
  display:none;
  position:absolute;
  right:12px;
  top:50%;
  transform:translateY(-50%);
  background:var(--red);
  color:#fff;
  font-family:var(--fu);
  font-size:.66rem;
  font-weight:800;
  line-height:1;
  border-radius:10px;
  min-width:18px;
  height:18px;
  padding:0 5px;
  align-items:center;
  justify-content:center;
  box-shadow:0 0 8px rgba(255,82,82,.5);
}
.sidebar-link.active .nav-badge{
  right:12px;
}
.sidebar-link.active{
  background:linear-gradient(135deg,rgba(0,210,255,.15),rgba(0,210,255,.05));
  color:var(--neon);
  border:1px solid rgba(0,210,255,.2);
}
.sidebar-link.active::before{
  content:'';
  position:absolute;
  left:0;top:20%;bottom:20%;
  width:3px;
  background:var(--neon);
  border-radius:0 2px 2px 0;
  box-shadow:0 0 8px var(--neon);
}
.sidebar-icon{
  width:20px;height:20px;
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;
  flex-shrink:0;
}
.sidebar-label{font-size:.88rem}
.sidebar-cta{
  padding:16px 12px;
  border-top:1px solid var(--glass-border);
}
.sidebar-cta-btn{
  display:flex;
  align-items:center;
  gap:10px;
  width:100%;
  padding:12px 16px;
  background:linear-gradient(135deg,rgba(0,210,255,.2),rgba(0,153,204,.1));
  border:1px solid rgba(0,210,255,.3);
  border-radius:10px;
  color:var(--neon);
  font-family:var(--fu);
  font-size:.88rem;
  font-weight:600;
  transition:var(--tr);
}
.sidebar-cta-btn:hover{
  background:linear-gradient(135deg,rgba(0,210,255,.3),rgba(0,153,204,.2));
  box-shadow:var(--shadow-neon);
}

/* ── MAIN CONTENT ──────────────────────────────────────────── */
.main-content{
  margin-left:var(--sidebar-w);
  flex:1;
  min-height:100vh;
  position:relative;
}

/* ── TOP BAR ───────────────────────────────────────────────── */
.topbar{
  position:sticky;
  top:0;z-index:50;
  background:rgba(3,8,15,.85);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--glass-border);
  padding:0 24px;
  height:60px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.topbar-title{
  font-family:var(--fd2);
  font-size:.75rem;
  color:var(--text2);
  letter-spacing:2px;
  text-transform:uppercase;
}
.topbar-right{display:flex;align-items:center;gap:12px}
.topbar-streak{
  display:flex;align-items:center;gap:6px;
  background:rgba(255,215,0,.08);
  border:1px solid rgba(255,215,0,.2);
  border-radius:20px;
  padding:6px 14px;
  font-family:var(--fu);
  font-size:.82rem;
  color:var(--gold);
  font-weight:600;
}
.topbar-burger{
  display:none;
  width:36px;height:36px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:8px;
  align-items:center;justify-content:center;
  flex-direction:column;
  gap:4px;
}
.topbar-burger span{
  display:block;
  width:18px;height:2px;
  background:var(--text2);
  border-radius:2px;
  transition:var(--tr);
}

/* ── BOTTOM NAV (mobile) ───────────────────────────────────── */
.bottom-nav{
  display:none;
  position:fixed;
  bottom:0;left:0;right:0;
  height:var(--bottomnav-h);
  z-index:100;
  padding:0 8px 8px;
}
.bottom-nav-inner{
  background:rgba(10,20,40,.92);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border:1px solid rgba(0,210,255,.15);
  border-radius:20px;
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-around;
  padding:0 8px;
}
.bnav-link{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:3px;
  padding:8px 14px;
  border-radius:12px;
  color:var(--text3);
  font-family:var(--fu);
  font-size:.62rem;
  font-weight:600;
  letter-spacing:.5px;
  transition:var(--tr);
  position:relative;
}
.bnav-link .bnav-icon{font-size:1.2rem;line-height:1}
.bnav-link.active{
  color:var(--neon);
  background:rgba(0,210,255,.1);
}
.bnav-link.active::after{
  content:'';
  position:absolute;
  bottom:-4px;left:50%;transform:translateX(-50%);
  width:20px;height:3px;
  background:var(--neon);
  border-radius:2px 2px 0 0;
  box-shadow:0 0 8px var(--neon);
}
.bnav-link-cbt{
  background:linear-gradient(135deg,rgba(0,210,255,.25),rgba(0,153,204,.15));
  border:1px solid rgba(0,210,255,.3);
  color:var(--neon);
}
/* Red badge on a bottom-nav icon — reuses .nav-badge (created dynamically
   by nav.js's setBadge()) but repositioned to sit on the icon's top-right
   corner instead of the sidebar's vertically-centered right edge. */
.bnav-link{ position:relative; }
.bnav-link .nav-badge{
  position:absolute;
  top:2px;
  right:8px;
  transform:none;
  min-width:16px;
  height:16px;
  font-size:.6rem;
  padding:0 4px;
  border:2px solid rgba(10,20,40,.92);
}
.bnav-link-cbt .nav-badge{ border-color:rgba(0,153,204,.4); }

/* ── PAGE WRAPPER ──────────────────────────────────────────── */
.page-wrap{
  padding:28px 24px 100px;
  max-width:var(--content-max);
  margin:0 auto;
  animation:pageIn .4s cubic-bezier(.4,0,.2,1);
}
@keyframes pageIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* ── GLASS CARD ────────────────────────────────────────────── */
.glass-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--r);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:var(--tr);
}
.glass-card:hover{
  border-color:rgba(0,210,255,.22);
  box-shadow:0 8px 32px rgba(0,0,0,.4);
}

/* ── SECTION HEADER ────────────────────────────────────────── */
.section-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:16px;
}
.section-title{
  font-family:var(--fu);
  font-size:1rem;
  font-weight:700;
  color:var(--text);
  letter-spacing:.5px;
  text-transform:uppercase;
  display:flex;
  align-items:center;
  gap:8px;
}
.section-title::before{
  content:'';
  display:block;
  width:3px;height:16px;
  background:var(--neon);
  border-radius:2px;
  box-shadow:0 0 6px var(--neon);
}
.section-see-all{
  font-family:var(--fu);
  font-size:.8rem;
  color:var(--neon);
  font-weight:600;
  letter-spacing:.5px;
  opacity:.8;
  transition:var(--tr);
}
.section-see-all:hover{opacity:1}

/* ── STAT CARDS ────────────────────────────────────────────── */
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
  margin-bottom:24px;
}
.stat-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--r);
  padding:18px 16px;
  position:relative;
  overflow:hidden;
  transition:var(--tr);
}
.stat-card:hover{
  transform:translateY(-3px);
  border-color:rgba(0,210,255,.25);
  box-shadow:0 12px 32px rgba(0,0,0,.4);
}
.stat-card-icon{
  font-size:1.3rem;
  margin-bottom:10px;
  display:block;
}
.stat-card-num{
  font-family:var(--fd2);
  font-size:1.5rem;
  font-weight:700;
  color:var(--neon);
  line-height:1;
  margin-bottom:4px;
}
.stat-card-label{
  font-family:var(--fu);
  font-size:.75rem;
  color:var(--text2);
  font-weight:600;
  letter-spacing:.5px;
  text-transform:uppercase;
}
.stat-card-glow{
  position:absolute;
  bottom:-20px;right:-20px;
  width:70px;height:70px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,210,255,.1) 0%,transparent 70%);
  pointer-events:none;
}
.stat-card.gold .stat-card-num{color:var(--gold)}
.stat-card.gold .stat-card-glow{background:radial-gradient(circle,rgba(255,215,0,.1) 0%,transparent 70%)}
.stat-card.green .stat-card-num{color:var(--green)}
.stat-card.green .stat-card-glow{background:radial-gradient(circle,rgba(0,230,118,.1) 0%,transparent 70%)}
.stat-card.teal .stat-card-num{color:var(--neon3)}
.stat-card.teal .stat-card-glow{background:radial-gradient(circle,rgba(0,255,204,.1) 0%,transparent 70%)}

/* ── HERO SECTION ──────────────────────────────────────────── */
.hero-block{
  background:linear-gradient(135deg,rgba(10,20,40,.8) 0%,rgba(3,8,15,.6) 100%);
  border:1px solid var(--glass-border);
  border-radius:20px;
  padding:28px;
  margin-bottom:24px;
  position:relative;
  overflow:hidden;
}
.hero-block::before{
  content:'';
  position:absolute;
  top:-40px;right:-40px;
  width:160px;height:160px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,210,255,.08) 0%,transparent 70%);
  pointer-events:none;
}
.hero-greeting{
  font-family:var(--fu);
  font-size:.78rem;
  color:var(--text2);
  letter-spacing:2px;
  text-transform:uppercase;
  margin-bottom:6px;
}
.hero-name{
  font-family:var(--fa);
  font-size:1.6rem;
  font-weight:700;
  color:var(--text);
  margin-bottom:8px;
  line-height:1.2;
}
.hero-name span{
  background:linear-gradient(90deg,var(--neon),var(--neon3));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-quote{
  font-size:.88rem;
  color:var(--text2);
  line-height:1.6;
  font-style:italic;
  border-left:2px solid rgba(0,210,255,.3);
  padding-left:12px;
  margin-bottom:16px;
}
.hero-meta{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.hero-badge{
  display:flex;align-items:center;gap:6px;
  background:rgba(0,210,255,.08);
  border:1px solid rgba(0,210,255,.2);
  border-radius:20px;
  padding:5px 12px;
  font-family:var(--fu);
  font-size:.75rem;
  color:var(--neon);
  font-weight:600;
  letter-spacing:.5px;
}
.hero-badge-dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--neon);
  box-shadow:0 0 6px var(--neon);
  animation:pulse 2s infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.8)}}

/* ── AVATAR ────────────────────────────────────────────────── */
.avatar{
  width:48px;height:48px;
  border-radius:50%;
  border:2px solid rgba(0,210,255,.3);
  object-fit:cover;
  box-shadow:0 0 12px rgba(0,210,255,.15);
  flex-shrink:0;
}
.avatar-fallback{
  width:48px;height:48px;
  border-radius:50%;
  background:linear-gradient(135deg,rgba(0,210,255,.2),rgba(0,153,204,.1));
  border:2px solid rgba(0,210,255,.3);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--fd2);
  font-size:1.1rem;
  color:var(--neon);
  font-weight:700;
  flex-shrink:0;
}

/* ── QUICK ACTIONS ─────────────────────────────────────────── */
.quick-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px;
  margin-bottom:24px;
}
.quick-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--r);
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:8px;
  cursor:pointer;
  transition:var(--tr);
  position:relative;
  overflow:hidden;
}
.quick-card:hover{
  transform:translateY(-4px);
  border-color:rgba(0,210,255,.3);
  box-shadow:0 16px 40px rgba(0,0,0,.5);
}
.quick-card.featured{
  background:linear-gradient(135deg,rgba(0,210,255,.12),rgba(0,153,204,.06));
  border-color:rgba(0,210,255,.25);
}
.quick-card-icon{font-size:1.6rem;line-height:1}
.quick-card-title{
  font-family:var(--fu);
  font-size:.95rem;
  font-weight:700;
  color:var(--text);
}
.quick-card-desc{
  font-size:.8rem;
  color:var(--text2);
  line-height:1.5;
}
.quick-card-arrow{
  font-family:var(--fd2);
  font-size:.7rem;
  color:var(--neon);
  margin-top:auto;
}
.quick-card-glow{
  position:absolute;
  bottom:-30px;right:-30px;
  width:100px;height:100px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,210,255,.06) 0%,transparent 70%);
  pointer-events:none;
}

/* ── PROGRESS BARS ─────────────────────────────────────────── */
.progress-bar-wrap{margin-bottom:12px}
.progress-bar-header{
  display:flex;
  justify-content:space-between;
  margin-bottom:6px;
}
.progress-bar-label{
  font-family:var(--fu);
  font-size:.8rem;
  color:var(--text2);
  font-weight:600;
}
.progress-bar-val{
  font-family:var(--fd2);
  font-size:.75rem;
  color:var(--neon);
}
.progress-bar-track{
  height:6px;
  background:rgba(255,255,255,.06);
  border-radius:3px;
  overflow:hidden;
}
.progress-bar-fill{
  height:100%;
  border-radius:3px;
  background:linear-gradient(90deg,var(--neon2),var(--neon));
  box-shadow:0 0 8px rgba(0,210,255,.4);
  transition:width .8s cubic-bezier(.4,0,.2,1);
}
.progress-bar-fill.gold{background:linear-gradient(90deg,#cc9900,var(--gold));box-shadow:0 0 8px rgba(255,215,0,.4)}
.progress-bar-fill.green{background:linear-gradient(90deg,#00b356,var(--green));box-shadow:0 0 8px rgba(0,230,118,.4)}

/* ── ACTIVITY FEED ─────────────────────────────────────────── */
.activity-item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:12px 0;
  border-bottom:1px solid rgba(0,210,255,.05);
}
.activity-item:last-child{border-bottom:none}
.activity-dot{
  width:8px;height:8px;
  border-radius:50%;
  margin-top:5px;
  flex-shrink:0;
}
.activity-dot.neon{background:var(--neon);box-shadow:0 0 6px var(--neon)}
.activity-dot.gold{background:var(--gold);box-shadow:0 0 6px var(--gold)}
.activity-dot.green{background:var(--green);box-shadow:0 0 6px var(--green)}
.activity-body{flex:1}
.activity-text{
  font-size:.85rem;
  color:var(--text);
  margin-bottom:3px;
}
.activity-time{
  font-family:var(--fu);
  font-size:.72rem;
  color:var(--text3);
}

/* ── AI RECOMMENDATION ─────────────────────────────────────── */
.ai-card{
  background:linear-gradient(135deg,rgba(0,230,118,.06),rgba(0,210,255,.04));
  border:1px solid rgba(0,230,118,.15);
  border-radius:var(--r);
  padding:18px 20px;
  margin-bottom:24px;
  display:flex;
  align-items:flex-start;
  gap:14px;
}
.ai-icon{
  font-size:1.4rem;
  flex-shrink:0;
  margin-top:2px;
}
.ai-content{}
.ai-label{
  font-family:var(--fu);
  font-size:.7rem;
  color:var(--green);
  letter-spacing:2px;
  font-weight:700;
  text-transform:uppercase;
  margin-bottom:4px;
}
.ai-text{
  font-size:.88rem;
  color:var(--text);
  line-height:1.5;
  margin-bottom:8px;
}
.ai-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(0,230,118,.1);
  border:1px solid rgba(0,230,118,.25);
  border-radius:20px;
  padding:5px 14px;
  font-family:var(--fu);
  font-size:.78rem;
  color:var(--green);
  font-weight:600;
  transition:var(--tr);
}
.ai-btn:hover{background:rgba(0,230,118,.18);box-shadow:0 0 12px rgba(0,230,118,.2)}

/* ── CBT PAGE ──────────────────────────────────────────────── */
.level-accordion{
  margin-bottom:12px;
  border-radius:var(--r);
  overflow:hidden;
  border:1px solid var(--glass-border);
}
.level-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 20px;
  background:rgba(10,20,40,.7);
  cursor:pointer;
  transition:var(--tr);
  user-select:none;
}
.level-header:hover{background:rgba(0,210,255,.05)}
.level-header.open{
  background:linear-gradient(135deg,rgba(0,210,255,.1),rgba(0,210,255,.03));
  border-bottom:1px solid var(--glass-border);
}
.level-title{
  font-family:var(--fu);
  font-size:1rem;
  font-weight:700;
  color:var(--text);
  display:flex;align-items:center;gap:10px;
}
.level-badge{
  background:rgba(0,210,255,.1);
  border:1px solid rgba(0,210,255,.2);
  border-radius:6px;
  padding:2px 8px;
  font-family:var(--fd2);
  font-size:.6rem;
  color:var(--neon);
  font-weight:700;
}
.level-chevron{
  color:var(--text2);
  transition:transform .3s ease;
  font-size:1rem;
}
.level-header.open .level-chevron{transform:rotate(180deg)}
.level-body{
  display:none;
  background:rgba(5,12,24,.5);
}
.level-body.open{display:block}

.semester-section{padding:16px 20px}
.semester-label{
  font-family:var(--fu);
  font-size:.72rem;
  color:var(--neon);
  letter-spacing:2px;
  font-weight:700;
  text-transform:uppercase;
  margin-bottom:12px;
  display:flex;align-items:center;gap:8px;
}
.semester-label::after{
  content:'';flex:1;height:1px;
  background:linear-gradient(90deg,rgba(0,210,255,.2),transparent);
}
.course-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:10px;
}
.course-card-v3{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:12px;
  padding:16px;
  cursor:pointer;
  transition:var(--tr);
  position:relative;
  overflow:hidden;
}
.course-card-v3:hover{
  border-color:rgba(0,210,255,.3);
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(0,0,0,.4);
}
.course-code{
  font-family:var(--fd2);
  font-size:.68rem;
  color:var(--neon);
  letter-spacing:2px;
  margin-bottom:6px;
  font-weight:700;
}
.course-name{
  font-family:var(--fu);
  font-size:.85rem;
  font-weight:700;
  color:var(--text);
  margin-bottom:8px;
  line-height:1.3;
}
.course-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:4px;
}
.course-qcount{
  font-family:var(--fu);
  font-size:.72rem;
  color:var(--text2);
  font-weight:600;
}
.course-difficulty{
  font-family:var(--fu);
  font-size:.65rem;
  font-weight:700;
  padding:2px 8px;
  border-radius:10px;
  letter-spacing:.5px;
}
.diff-easy{background:rgba(0,230,118,.1);color:var(--green);border:1px solid rgba(0,230,118,.2)}
.diff-med{background:rgba(255,215,0,.1);color:var(--gold);border:1px solid rgba(255,215,0,.2)}
.diff-hard{background:rgba(255,82,82,.1);color:var(--red);border:1px solid rgba(255,82,82,.2)}
.course-start-btn{
  width:100%;
  margin-top:10px;
  padding:8px;
  background:linear-gradient(135deg,rgba(0,210,255,.12),rgba(0,210,255,.04));
  border:1px solid rgba(0,210,255,.2);
  border-radius:8px;
  color:var(--neon);
  font-family:var(--fu);
  font-size:.8rem;
  font-weight:600;
  transition:var(--tr);
}
.course-start-btn:hover{
  background:linear-gradient(135deg,rgba(0,210,255,.22),rgba(0,210,255,.1));
  box-shadow:0 0 12px rgba(0,210,255,.15);
}

/* ── COURSE SUMMARY PAGE ───────────────────────────────────── */
.search-wrap{
  position:relative;
  margin-bottom:16px;
}
.search-input{
  width:100%;
  padding:12px 16px 12px 44px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:12px;
  color:var(--text);
  font-family:var(--fd);
  font-size:.9rem;
  transition:var(--tr);
  outline:none;
}
.search-input:focus{
  border-color:rgba(0,210,255,.35);
  box-shadow:0 0 0 3px rgba(0,210,255,.08);
}
.search-input::placeholder{color:var(--text3)}
.search-icon{
  position:absolute;
  left:14px;top:50%;transform:translateY(-50%);
  color:var(--text3);
  font-size:1.1rem;
  pointer-events:none;
}
.filter-chips{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:20px;
}
.chip{
  padding:6px 14px;
  border-radius:20px;
  font-family:var(--fu);
  font-size:.78rem;
  font-weight:600;
  border:1px solid var(--glass-border);
  color:var(--text2);
  cursor:pointer;
  transition:var(--tr);
  background:var(--glass-bg);
}
.chip.active,.chip:hover{
  background:rgba(0,210,255,.1);
  border-color:rgba(0,210,255,.3);
  color:var(--neon);
}
.summary-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--r);
  padding:18px 20px;
  display:flex;
  flex-direction:column;
  gap:6px;
  transition:var(--tr);
  position:relative;
}
.summary-card:hover{
  border-color:rgba(0,210,255,.22);
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(0,0,0,.4);
}
.summary-top{display:flex;align-items:flex-start;justify-content:space-between}
.summary-code{
  font-family:var(--fd2);
  font-size:.65rem;
  color:var(--neon);
  letter-spacing:2px;
  font-weight:700;
  margin-bottom:4px;
}
.summary-title{
  font-family:var(--fu);
  font-size:.95rem;
  font-weight:700;
  color:var(--text);
  margin-bottom:8px;
}
.summary-preview{
  font-size:.82rem;
  color:var(--text2);
  line-height:1.6;
}
.summary-actions{
  display:flex;
  align-items:center;
  gap:8px;
  margin-top:10px;
}
.btn-read-more{
  flex:1;
  padding:8px 16px;
  background:linear-gradient(135deg,rgba(0,210,255,.12),rgba(0,210,255,.04));
  border:1px solid rgba(0,210,255,.2);
  border-radius:8px;
  color:var(--neon);
  font-family:var(--fu);
  font-size:.8rem;
  font-weight:600;
  text-align:center;
  transition:var(--tr);
  cursor:pointer;
}
.btn-read-more:hover{background:linear-gradient(135deg,rgba(0,210,255,.22),rgba(0,210,255,.1));box-shadow:0 0 12px rgba(0,210,255,.15)}
.btn-bookmark{
  width:36px;height:36px;
  background:rgba(255,215,0,.06);
  border:1px solid rgba(255,215,0,.15);
  border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  color:var(--gold);
  font-size:.9rem;
  cursor:pointer;
  transition:var(--tr);
}
.btn-bookmark:hover{background:rgba(255,215,0,.15);box-shadow:0 0 10px rgba(255,215,0,.15)}

/* ── DASHBOARD / TRACKING ──────────────────────────────────── */
.chart-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--r);
  padding:20px;
  margin-bottom:16px;
}
.chart-title{
  font-family:var(--fu);
  font-size:.82rem;
  color:var(--text2);
  font-weight:700;
  letter-spacing:.5px;
  text-transform:uppercase;
  margin-bottom:16px;
}
.chart-bars{
  display:flex;
  align-items:flex-end;
  gap:6px;
  height:80px;
}
.chart-bar-col{
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
  height:100%;
}
.chart-bar{
  width:100%;
  border-radius:4px 4px 0 0;
  background:linear-gradient(180deg,var(--neon),rgba(0,210,255,.2));
  transition:height .8s cubic-bezier(.4,0,.2,1);
  min-height:4px;
}
.chart-bar-label{
  font-family:var(--fu);
  font-size:.6rem;
  color:var(--text3);
  font-weight:600;
}
.heatmap{
  display:grid;
  grid-template-columns:repeat(7,1fr);
  gap:4px;
  margin-top:8px;
}
.heat-cell{
  aspect-ratio:1;
  border-radius:3px;
  background:rgba(0,210,255,.04);
  border:1px solid rgba(0,210,255,.06);
}
.heat-cell.l1{background:rgba(0,210,255,.12)}
.heat-cell.l2{background:rgba(0,210,255,.25)}
.heat-cell.l3{background:rgba(0,210,255,.45)}
.heat-cell.l4{background:rgba(0,210,255,.7);box-shadow:0 0 4px rgba(0,210,255,.3)}

.insight-row{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-bottom:16px;
}
.insight-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 16px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:12px;
  transition:var(--tr);
}
.insight-item:hover{border-color:rgba(0,210,255,.2)}
.insight-icon{font-size:1.1rem;flex-shrink:0}
.insight-body{flex:1}
.insight-label{
  font-family:var(--fu);
  font-size:.82rem;
  color:var(--text);
  font-weight:600;
  margin-bottom:2px;
}
.insight-sub{font-size:.76rem;color:var(--text2)}
.insight-val{
  font-family:var(--fd2);
  font-size:.85rem;
  color:var(--neon);
  font-weight:700;
}

/* ── RING ──────────────────────────────────────────────────── */
.ring-wrap{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:6px;
}
.ring-val{
  font-family:var(--fd2);
  font-size:1.1rem;
  color:var(--neon);
  font-weight:700;
}
.ring-label{
  font-family:var(--fu);
  font-size:.7rem;
  color:var(--text2);
  text-transform:uppercase;
  letter-spacing:.5px;
}

/* ── CHATROOM PAGE ─────────────────────────────────────────── */
.chat-wrap{
  height:calc(100vh - 160px);
  display:flex;
  flex-direction:column;
  gap:0;
  position:relative;
  overflow:hidden;
}
.chat-header{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--r) var(--r) 0 0;
  padding:16px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.chat-header-left{display:flex;align-items:center;gap:12px}
.chat-group-icon{
  width:40px;height:40px;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(0,210,255,.2),rgba(0,153,204,.1));
  border:1px solid rgba(0,210,255,.2);
  display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;
}
.chat-title{
  font-family:var(--fu);
  font-size:.92rem;
  font-weight:700;
  color:var(--text);
}
.chat-online{
  font-family:var(--fu);
  font-size:.72rem;
  color:var(--green);
  font-weight:600;
  display:flex;align-items:center;gap:4px;
}
.chat-online::before{
  content:'';
  width:6px;height:6px;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 6px var(--green);
  animation:pulse 2s infinite;
}
.chat-messages{
  flex:1;
  background:rgba(3,8,15,.5);
  border-left:1px solid var(--glass-border);
  border-right:1px solid var(--glass-border);
  padding:16px;
  overflow-y:auto;
  display:flex;
  flex-direction:column;
  gap:16px;
  position:relative;
  filter:blur(1.5px);
  pointer-events:none;
  user-select:none;
}
.chat-blur-overlay{
  position:absolute;
  inset:0;
  background:rgba(3,8,15,.6);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
  z-index:5;
  display:flex;
  align-items:center;
  justify-content:center;
  pointer-events:none;
}
.chat-coming-soon{
  text-align:center;
  padding:32px;
}
.chat-soon-title{
  font-family:var(--fd2);
  font-size:1.1rem;
  color:var(--neon);
  letter-spacing:3px;
  text-transform:uppercase;
  margin-bottom:8px;
  text-shadow:0 0 20px rgba(0,210,255,.6);
}
.chat-soon-sub{
  font-size:.82rem;
  color:var(--text2);
}
.msg-row{display:flex;align-items:flex-end;gap:8px}
.msg-row.mine{flex-direction:row-reverse}
.msg-avatar{
  width:28px;height:28px;
  border-radius:50%;
  background:linear-gradient(135deg,rgba(0,210,255,.2),rgba(0,153,204,.1));
  border:1px solid rgba(0,210,255,.2);
  display:flex;align-items:center;justify-content:center;
  font-size:.65rem;
  color:var(--neon);
  font-weight:700;
  flex-shrink:0;
}
.msg-bubble{
  max-width:65%;
  padding:10px 14px;
  border-radius:14px 14px 14px 4px;
  background:rgba(10,20,40,.8);
  border:1px solid rgba(0,210,255,.1);
  font-size:.82rem;
  color:var(--text);
  line-height:1.5;
}
.msg-row.mine .msg-bubble{
  border-radius:14px 14px 4px 14px;
  background:linear-gradient(135deg,rgba(0,210,255,.15),rgba(0,153,204,.08));
  border-color:rgba(0,210,255,.2);
}
.msg-time{
  font-family:var(--fu);
  font-size:.62rem;
  color:var(--text3);
  margin-top:4px;
  text-align:right;
}
.msg-name{
  font-family:var(--fu);
  font-size:.7rem;
  color:var(--neon);
  font-weight:600;
  margin-bottom:3px;
}
.date-sep{
  text-align:center;
  font-family:var(--fu);
  font-size:.68rem;
  color:var(--text3);
  padding:8px 0;
  position:relative;
}
.date-sep::before,.date-sep::after{
  content:'';
  position:absolute;
  top:50%;
  height:1px;
  width:calc(50% - 50px);
  background:rgba(0,210,255,.1);
}
.date-sep::before{left:0}
.date-sep::after{right:0}

.chat-input-wrap{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:0 0 var(--r) var(--r);
  padding:14px 16px;
  display:flex;
  align-items:center;
  gap:10px;
  opacity:.5;
  pointer-events:none;
}
.chat-input{
  flex:1;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(0,210,255,.1);
  border-radius:10px;
  padding:10px 14px;
  color:var(--text);
  font-family:var(--fd);
  font-size:.85rem;
  outline:none;
}
.chat-input-btn{
  width:38px;height:38px;
  border-radius:10px;
  background:rgba(0,210,255,.08);
  border:1px solid rgba(0,210,255,.15);
  display:flex;align-items:center;justify-content:center;
  color:var(--text2);
  font-size:.95rem;
  cursor:not-allowed;
}
.chat-send-btn{
  width:38px;height:38px;
  border-radius:10px;
  background:linear-gradient(135deg,rgba(0,210,255,.2),rgba(0,153,204,.1));
  border:1px solid rgba(0,210,255,.3);
  display:flex;align-items:center;justify-content:center;
  color:var(--neon);
  font-size:1rem;
  cursor:not-allowed;
}

/* ── MODAL SYSTEM (preserved) ──────────────────────────────── */
.modal-overlay{
  position:fixed;
  top:0;left:0;right:0;bottom:0;
  background:rgba(0,0,0,.85);
  z-index:9999;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:16px;
  overflow-y:auto;
  overflow-x:hidden;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-sizing:border-box;
}
.modal-box{
  background:linear-gradient(145deg,#0d1e35,#070f20);
  border:1px solid var(--border2);
  border-radius:var(--r);
  max-width:460px;
  width:100%;
  max-height:calc(100vh - 32px);
  display:flex;
  flex-direction:column;
  overflow:hidden;
  box-shadow:var(--shadow-neon),var(--shadow-3d),inset 1px 1px 0 rgba(255,255,255,.06),inset -1px -1px 0 rgba(0,0,0,.5);
  animation:modalPop .3s cubic-bezier(.34,1.56,.64,1);
  flex-shrink:0;
}
@keyframes modalPop{from{transform:scale(.85) translateY(30px) rotateX(8deg);opacity:0}to{transform:none;opacity:1}}
.modal-header{padding:28px 28px 20px;background:linear-gradient(135deg,rgba(0,210,255,.1),rgba(0,210,255,.03));border-bottom:1px solid var(--border);flex-shrink:0}
.modal-course-code{font-family:var(--fd2);font-size:.62rem;color:var(--neon);letter-spacing:3px;margin-bottom:6px}
.modal-title{font-family:var(--fa);font-size:1.2rem;font-weight:700;color:var(--text)}
.modal-body{padding:22px 28px;overflow-y:auto;flex:1;-webkit-overflow-scrolling:touch}
.modal-field{margin-bottom:20px}
.modal-label{font-family:var(--fu);font-size:.8rem;font-weight:600;color:var(--text2);letter-spacing:1px;text-transform:uppercase;display:block;margin-bottom:10px}
.q-count-options{display:flex;gap:8px;flex-wrap:wrap}
.q-count-btn{
  padding:8px 18px;
  background:linear-gradient(145deg,#0d1e35,#060f1e);
  border:1px solid var(--border);
  border-radius:50px;
  color:var(--text2);
  cursor:pointer;
  font-family:var(--fu);
  font-size:.85rem;
  font-weight:600;
  transition:var(--tr);
  box-shadow:2px 2px 6px rgba(0,0,0,.4),inset 1px 1px 0 rgba(255,255,255,.05);
}
.q-count-btn:hover,.q-count-btn.active{
  background:linear-gradient(145deg,rgba(0,210,255,.2),rgba(0,210,255,.08));
  border-color:var(--neon);
  color:var(--neon);
  box-shadow:4px 4px 12px rgba(0,0,0,.5),0 0 12px rgba(0,210,255,.2),inset 1px 1px 0 rgba(0,210,255,.1);
  transform:translateY(-2px);
}

/* Submit / APK modal kept from v2 */
.submit-modal-box{padding:32px 28px;text-align:center;align-items:center}
.submit-modal-icon{margin-bottom:16px}
.submit-modal-title{font-family:var(--fa);font-size:1.3rem;font-weight:700;color:var(--gold);margin-bottom:8px}
.submit-modal-subtitle{font-size:.85rem;color:var(--text2);margin-bottom:16px}
.submit-modal-divider{height:1px;background:var(--border);width:100%;margin-bottom:16px}
.submit-modal-body{font-size:.85rem;color:var(--text);line-height:1.6;margin-bottom:16px;text-align:left}
.submit-modal-stats{margin-bottom:20px;display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.submit-modal-actions{display:flex;flex-direction:column;gap:10px;width:100%}
.btn-submit-go{padding:14px;background:linear-gradient(135deg,rgba(0,230,118,.2),rgba(0,230,118,.08));border:1px solid rgba(0,230,118,.3);border-radius:12px;color:var(--green);font-family:var(--fu);font-size:1rem;font-weight:700;transition:var(--tr)}
.btn-submit-go:hover{background:linear-gradient(135deg,rgba(0,230,118,.3),rgba(0,230,118,.12));box-shadow:0 0 20px rgba(0,230,118,.2)}
.btn-submit-back{padding:12px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:12px;color:var(--text2);font-family:var(--fu);font-size:.9rem;font-weight:600;transition:var(--tr)}
.btn-submit-back:hover{background:rgba(255,255,255,.08);color:var(--text)}
.apk-modal-box{padding:32px 28px;text-align:center;align-items:center}
.apk-modal-icon{font-size:3rem;margin-bottom:12px}
.apk-modal-title{font-family:var(--fa);font-size:1.3rem;font-weight:700;color:var(--neon);margin-bottom:8px}
.apk-modal-badge{display:inline-block;background:rgba(0,230,118,.1);border:1px solid rgba(0,230,118,.2);border-radius:20px;padding:4px 14px;font-family:var(--fu);font-size:.75rem;color:var(--green);font-weight:600;margin-bottom:14px}
.apk-modal-msg{font-size:.85rem;color:var(--text);line-height:1.6;margin-bottom:16px;text-align:left}
.apk-modal-features{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:20px}
.apk-feat{display:flex;align-items:center;gap:6px;font-family:var(--fu);font-size:.8rem;color:var(--text);font-weight:600}
.apk-modal-actions{display:flex;flex-direction:column;gap:10px;width:100%}
.btn-apk-confirm{display:block;padding:14px;background:linear-gradient(135deg,rgba(0,210,255,.2),rgba(0,210,255,.08));border:1px solid rgba(0,210,255,.3);border-radius:12px;color:var(--neon);font-family:var(--fu);font-size:1rem;font-weight:700;text-align:center;transition:var(--tr)}
.btn-apk-confirm:hover{background:linear-gradient(135deg,rgba(0,210,255,.3),rgba(0,210,255,.12));box-shadow:0 0 20px rgba(0,210,255,.2)}
.btn-modal-cancel{padding:12px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:12px;color:var(--text2);font-family:var(--fu);font-size:.9rem;font-weight:600;transition:var(--tr)}
.btn-modal-cancel:hover{background:rgba(255,255,255,.08);color:var(--text)}

/* ── EXAM UI (CBT mode) ────────────────────────────────────── */
.exam-ui{display:none}
.exam-ui.active{display:flex;flex-direction:column;gap:0;height:calc(100vh - 60px)}
.exam-topbar{
  padding:12px 20px;
  background:rgba(5,12,24,.97);
  border-bottom:1px solid var(--glass-border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-shrink:0;
  position:sticky;
  top:0;
  z-index:10;
}
.exam-course-code{font-family:var(--fd2);font-size:.7rem;color:var(--neon);letter-spacing:2px}
.exam-timer{
  font-family:var(--fd2);
  font-size:1rem;
  color:var(--gold);
  display:flex;align-items:center;gap:6px;
}
.exam-progress-bar{
  height:3px;
  background:rgba(255,255,255,.06);
  flex-shrink:0;
}
.exam-progress-fill{
  height:100%;
  background:linear-gradient(90deg,var(--neon2),var(--neon));
  transition:width .3s ease;
}
.exam-body{
  flex:1;
  overflow-y:auto;
  padding:20px;
  padding-bottom:calc(20px + env(safe-area-inset-bottom,0px));
}
.exam-question-num{
  font-family:var(--fu);
  font-size:.75rem;
  color:var(--text2);
  letter-spacing:2px;
  font-weight:700;
  margin-bottom:12px;
  margin-top:4px;
  text-transform:uppercase;
}
.exam-question-text{
  font-family:var(--fd);
  font-size:1rem;
  color:var(--text);
  line-height:1.7;
  margin-bottom:20px;
}
/* Code snippet embedded inside a question/option/explanation (e.g. Python
   fundamentals questions asking "what does this code print?"). Question/
   option/explanation text is injected via innerHTML, so this class can be
   used directly in question data as <pre class="q-code">...</pre> — <pre>
   preserves the snippet's line breaks and indentation natively. */
.q-code{
  display:block;
  background:rgba(0,0,0,.35);
  border:1px solid var(--border2);
  border-radius:8px;
  padding:10px 14px;
  margin:10px 0;
  font-family:var(--fd2);
  font-size:.82rem;
  line-height:1.55;
  overflow-x:auto;
  white-space:pre;
  color:var(--text);
}
.option-list{display:flex;flex-direction:column;gap:10px}
.option-item{
  padding:14px 16px;
  background:rgba(10,20,40,.6);
  border:1px solid rgba(0,210,255,.1);
  border-radius:12px;
  cursor:pointer;
  transition:var(--tr);
  display:flex;align-items:center;gap:12px;
  font-size:.9rem;color:var(--text);line-height:1.4;
}
.option-item:hover{border-color:rgba(0,210,255,.3);background:rgba(0,210,255,.06)}
.option-item.selected{border-color:rgba(0,210,255,.5);background:rgba(0,210,255,.12);color:var(--neon)}
.option-item.correct{border-color:rgba(0,230,118,.5);background:rgba(0,230,118,.1);color:var(--green)}
.option-item.wrong{border-color:rgba(255,82,82,.4);background:rgba(255,82,82,.08);color:var(--red)}
.option-letter{
  width:26px;height:26px;
  border-radius:50%;
  background:rgba(0,210,255,.08);
  border:1px solid rgba(0,210,255,.15);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--fd2);font-size:.7rem;color:var(--neon);
  flex-shrink:0;
}
.exam-footer{
  padding:12px 20px;
  background:rgba(5,12,24,.95);
  border-top:1px solid var(--glass-border);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  flex-shrink:0;
}
.btn-nav{
  padding:10px 20px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  border-radius:10px;
  color:var(--text2);
  font-family:var(--fu);font-size:.85rem;font-weight:600;
  transition:var(--tr);
}
.btn-nav:hover:not(:disabled){background:rgba(255,255,255,.08);color:var(--text)}
.btn-nav:disabled{opacity:.3;cursor:not-allowed}
.btn-submit{
  padding:10px 24px;
  background:linear-gradient(135deg,rgba(0,230,118,.2),rgba(0,230,118,.08));
  border:1px solid rgba(0,230,118,.3);
  border-radius:10px;
  color:var(--green);
  font-family:var(--fu);font-size:.85rem;font-weight:700;
  transition:var(--tr);
}
.btn-submit:hover{background:linear-gradient(135deg,rgba(0,230,118,.3),rgba(0,230,118,.12));box-shadow:0 0 16px rgba(0,230,118,.2)}
.q-palette{
  display:flex;gap:4px;flex-wrap:wrap;justify-content:center;
}
.q-dot{
  width:24px;height:24px;
  border-radius:6px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--fd2);font-size:.55rem;
  color:var(--text3);cursor:pointer;transition:var(--tr);
}
.q-dot.answered{background:rgba(0,210,255,.15);border-color:rgba(0,210,255,.3);color:var(--neon)}
.q-dot.current{background:rgba(0,210,255,.3);border-color:var(--neon);color:var(--text);box-shadow:0 0 8px rgba(0,210,255,.3)}

/* ── RESULTS ───────────────────────────────────────────────── */
.result-box{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:20px;
  padding:32px 24px;
  text-align:center;
  max-width:400px;
  margin:0 auto;
}
.result-score{
  font-family:var(--fd2);
  font-size:3rem;
  font-weight:700;
  color:var(--neon);
  line-height:1;
  margin-bottom:4px;
  text-shadow:0 0 30px rgba(0,210,255,.4);
}
.result-label{
  font-family:var(--fu);
  font-size:.8rem;
  color:var(--text2);
  letter-spacing:2px;
  font-weight:600;
  text-transform:uppercase;
  margin-bottom:20px;
}
.result-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  margin-bottom:24px;
}
.result-stat{
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.06);
  border-radius:10px;
  padding:12px 8px;
}
.result-stat-num{font-family:var(--fd2);font-size:.95rem;color:var(--text);font-weight:700;margin-bottom:2px}
.result-stat-label{font-family:var(--fu);font-size:.65rem;color:var(--text3);font-weight:600;letter-spacing:.5px}
.result-actions{display:flex;flex-direction:column;gap:8px}
.btn-review-exam{
  padding:12px;
  background:rgba(255,215,0,.08);
  border:1px solid rgba(255,215,0,.2);
  border-radius:10px;
  color:var(--gold);
  font-family:var(--fu);font-size:.88rem;font-weight:700;
  transition:var(--tr);
}
.btn-review-exam:hover{background:rgba(255,215,0,.15);box-shadow:0 0 16px rgba(255,215,0,.15)}
.btn-new-exam{
  padding:12px;
  background:linear-gradient(135deg,rgba(0,210,255,.15),rgba(0,210,255,.05));
  border:1px solid rgba(0,210,255,.25);
  border-radius:10px;
  color:var(--neon);
  font-family:var(--fu);font-size:.88rem;font-weight:700;
  transition:var(--tr);
}
.btn-new-exam:hover{background:linear-gradient(135deg,rgba(0,210,255,.25),rgba(0,210,255,.1));box-shadow:0 0 16px rgba(0,210,255,.2)}

/* ── EXPLANATION BOX ───────────────────────────────────────── */
.explanation-box{
  margin-top:12px;
  padding:14px 16px;
  background:rgba(255,215,0,.05);
  border:1px solid rgba(255,215,0,.15);
  border-radius:10px;
  font-size:.83rem;
  color:var(--text2);
  line-height:1.6;
  display:none;
}
.explanation-box.show{display:block}
.explanation-title{
  font-family:var(--fu);font-size:.72rem;color:var(--gold);
  font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:6px;
  display:flex;align-items:center;gap:6px;
}

/* ── FOOTER ────────────────────────────────────────────────── */
.site-footer{
  border-top:1px solid var(--glass-border);
  padding:28px 24px;
  text-align:center;
  background:rgba(3,8,15,.6);
}
.footer-dev-link{margin-bottom:16px}
.footer-dev-link p{font-size:.82rem;color:var(--text2);margin-bottom:10px}
.btn-dev-website{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;
  background:linear-gradient(135deg,rgba(0,210,255,.12),rgba(0,210,255,.04));
  border:1px solid rgba(0,210,255,.2);
  border-radius:10px;
  color:var(--neon);
  font-family:var(--fu);font-size:.82rem;font-weight:600;
  transition:var(--tr);
}
.btn-dev-website:hover{background:linear-gradient(135deg,rgba(0,210,255,.22),rgba(0,210,255,.1));box-shadow:0 0 16px rgba(0,210,255,.15)}
.footer-divider{height:1px;background:var(--glass-border);margin:16px 0}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-copy{font-size:.78rem;color:var(--text3)}
.footer-links{display:flex;gap:16px}
.footer-links a{font-size:.78rem;color:var(--text2);transition:var(--tr)}
.footer-links a:hover{color:var(--neon)}

/* ── MATERIALS PAGE ────────────────────────────────────────── */
.faculty-section{margin-bottom:24px}
.faculty-header{
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px 20px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--r);
  cursor:pointer;
  transition:var(--tr);
  margin-bottom:2px;
}
.faculty-header:hover{border-color:rgba(0,210,255,.2);background:rgba(0,210,255,.04)}
.faculty-icon{font-size:1.2rem;flex-shrink:0}
.faculty-name{
  font-family:var(--fu);font-size:.92rem;font-weight:700;
  color:var(--text);flex:1;
}
.faculty-count{
  font-family:var(--fu);font-size:.72rem;color:var(--text2);
  font-weight:600;
}
.faculty-chevron{color:var(--text2);transition:transform .3s ease}
.faculty-header.open .faculty-chevron{transform:rotate(180deg)}

/* ── ADMIN BIO ─────────────────────────────────────────────── */
.admin-bio-section{
  background:linear-gradient(135deg,rgba(10,20,40,.7),rgba(5,12,24,.7));
  border:1px solid var(--glass-border);
  border-radius:20px;
  padding:24px;
  margin-bottom:24px;
}
.admin-bio-header{
  display:flex;align-items:center;gap:16px;
  margin-bottom:16px;
}
.admin-avatar{position:relative}
.admin-avatar-img{
  width:60px;height:60px;border-radius:50%;
  border:2px solid rgba(0,210,255,.3);
  object-fit:cover;
}
.admin-avatar-fallback{
  width:60px;height:60px;border-radius:50%;
  background:linear-gradient(135deg,rgba(0,210,255,.2),rgba(0,153,204,.1));
  border:2px solid rgba(0,210,255,.3);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--fd2);font-size:1.3rem;color:var(--neon);font-weight:700;
}
.admin-badge-label{
  font-family:var(--fu);font-size:.65rem;color:var(--neon);
  letter-spacing:2px;font-weight:700;text-transform:uppercase;margin-bottom:4px;
}
.admin-name{font-family:var(--fa);font-size:1.1rem;font-weight:700;color:var(--text)}
.admin-bio-text{font-size:.84rem;color:var(--text2);line-height:1.7;margin-bottom:12px}
.admin-bio-highlights{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.admin-highlight{
  display:flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:20px;padding:5px 12px;
  font-family:var(--fu);font-size:.76rem;color:var(--text2);font-weight:600;
}
.hl-icon{font-size:.85rem}
.admin-bio-cta{display:flex;gap:10px;flex-wrap:wrap}
.btn-whatsapp{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;
  border-radius:10px;
  font-family:var(--fu);font-size:.82rem;font-weight:600;
  transition:var(--tr);
}
.btn-wa-dev{
  background:rgba(37,211,102,.1);
  border:1px solid rgba(37,211,102,.25);
  color:var(--wa);
}
.btn-wa-dev:hover{background:rgba(37,211,102,.2);box-shadow:0 0 14px rgba(37,211,102,.15)}
.btn-wa-channel{
  background:rgba(0,210,255,.08);
  border:1px solid rgba(0,210,255,.2);
  color:var(--neon);
}
.btn-wa-channel:hover{background:rgba(0,210,255,.15);box-shadow:0 0 14px rgba(0,210,255,.15)}

/* ── STATS STRIP ───────────────────────────────────────────── */
.stats-strip{
  display:flex;
  align-items:center;
  gap:0;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--r);
  padding:18px 0;
  margin-bottom:24px;
  overflow:hidden;
}
.stat-item{
  flex:1;
  display:flex;flex-direction:column;align-items:center;
  gap:4px;
}
.stat-num{
  font-family:var(--fd2);font-size:1.3rem;font-weight:700;
  color:var(--neon);
  line-height:1;
}
.stat-label{
  font-family:var(--fu);font-size:.7rem;color:var(--text2);
  font-weight:600;letter-spacing:.5px;text-transform:uppercase;
}
.stat-sep{width:1px;height:36px;background:rgba(0,210,255,.15);flex-shrink:0}

/* ── APK HERO BTN ──────────────────────────────────────────── */
.apk-hero-wrap{margin:16px 0}
.btn-apk-hero{
  width:100%;
  display:flex;align-items:center;gap:14px;
  padding:14px 20px;
  background:linear-gradient(135deg,rgba(0,210,255,.15),rgba(0,210,255,.05));
  border:1px solid rgba(0,210,255,.25);
  border-radius:14px;
  cursor:pointer;
  transition:var(--tr);
  position:relative;
  overflow:hidden;
}
.btn-apk-hero:hover{
  background:linear-gradient(135deg,rgba(0,210,255,.22),rgba(0,210,255,.1));
  box-shadow:0 0 24px rgba(0,210,255,.15);
  transform:translateY(-2px);
}
.apk-btn-icon{font-size:1.4rem}
.apk-btn-text{text-align:left;flex:1}
.apk-btn-label{display:block;font-family:var(--fu);font-size:.9rem;font-weight:700;color:var(--neon);margin-bottom:2px}
.apk-btn-sub{display:block;font-family:var(--fu);font-size:.72rem;color:var(--text2);font-weight:600}
.apk-btn-badge{
  background:rgba(0,210,255,.15);border:1px solid rgba(0,210,255,.3);
  border-radius:6px;padding:3px 8px;
  font-family:var(--fd2);font-size:.6rem;color:var(--neon);font-weight:700;letter-spacing:1px;
}

/* ── JOIN GROUP BTN ────────────────────────────────────────── */
.btn-join-group{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;
  background:rgba(37,211,102,.1);
  border:1px solid rgba(37,211,102,.25);
  border-radius:10px;
  color:var(--wa);
  font-family:var(--fu);font-size:.85rem;font-weight:600;
  transition:var(--tr);
  margin-bottom:12px;
}
.btn-join-group:hover{background:rgba(37,211,102,.2);box-shadow:0 0 14px rgba(37,211,102,.15)}

/* ── TRACKING CHARTS ───────────────────────────────────────── */
.track-history-item{
  display:flex;align-items:center;gap:14px;
  padding:13px 16px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:12px;
  margin-bottom:8px;
  transition:var(--tr);
}
.track-history-item:hover{border-color:rgba(0,210,255,.2)}
.track-score-bubble{
  width:44px;height:44px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--fd2);font-size:.85rem;font-weight:700;
  flex-shrink:0;
}
.track-score-bubble.good{background:rgba(0,230,118,.12);color:var(--green);border:1px solid rgba(0,230,118,.2)}
.track-score-bubble.ok{background:rgba(255,215,0,.1);color:var(--gold);border:1px solid rgba(255,215,0,.2)}
.track-score-bubble.low{background:rgba(255,82,82,.1);color:var(--red);border:1px solid rgba(255,82,82,.2)}
.track-item-body{flex:1}
.track-item-title{font-family:var(--fu);font-size:.85rem;font-weight:700;color:var(--text);margin-bottom:3px}
.track-item-meta{font-family:var(--fu);font-size:.72rem;color:var(--text2);font-weight:600}

/* ── EMPTY / SKELETON / ERROR STATES ──────────────────────── */
.state-empty{
  text-align:center;
  padding:48px 24px;
  color:var(--text3);
}
.state-empty-icon{font-size:2.5rem;margin-bottom:12px;opacity:.5}
.state-empty-text{font-family:var(--fu);font-size:.85rem;font-weight:600;color:var(--text2);margin-bottom:6px}
.state-empty-sub{font-size:.78rem;color:var(--text3)}
.skeleton{
  background:linear-gradient(90deg,rgba(255,255,255,.04) 25%,rgba(255,255,255,.08) 50%,rgba(255,255,255,.04) 75%);
  background-size:200% 100%;
  animation:shimmer 1.5s infinite;
  border-radius:6px;
}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ── TWO-COLUMN LAYOUT ─────────────────────────────────────── */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}
.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media(max-width:1024px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .two-col{grid-template-columns:1fr}
  .three-col{grid-template-columns:1fr 1fr}
}

@media(max-width:768px){
  :root{--sidebar-w:240px}
  .sidebar{
    transform:translateX(-100%);
    box-shadow:4px 0 40px rgba(0,0,0,.6);
  }
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-left:0}
  .topbar-burger{display:flex}
  .bottom-nav{display:block}
  .page-wrap{padding:20px 16px calc(var(--bottomnav-h) + 16px)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .quick-grid{grid-template-columns:1fr 1fr}
  .two-col,.three-col{grid-template-columns:1fr}
  .course-grid{grid-template-columns:1fr 1fr}
  .chat-wrap{height:calc(100vh - 130px - var(--bottomnav-h))}
}

@media(max-width:420px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .quick-grid{grid-template-columns:1fr}
  .hero-name{font-size:1.3rem}
  .stat-card-num{font-size:1.2rem}
  .course-grid{grid-template-columns:1fr}
}

/* ── ANIMATIONS ────────────────────────────────────────────── */
@keyframes fadeIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.fade-in{animation:fadeIn .4s cubic-bezier(.4,0,.2,1) both}

/* ── SIDEBAR OVERLAY ───────────────────────────────────────── */
.sidebar-overlay{
  display:none;
  position:fixed;inset:0;
  background:rgba(0,0,0,.6);
  z-index:90;
  backdrop-filter:blur(2px);
}
.sidebar-overlay.show{display:block}

/* ── NO RESULTS ────────────────────────────────────────────── */
.no-results{
  text-align:center;padding:40px 20px;display:none;
}
.no-results.show{display:block}
.no-results-icon{font-size:2rem;margin-bottom:8px;opacity:.4}
.no-results-text{font-family:var(--fu);font-size:.85rem;color:var(--text3);font-weight:600}

/* ── ICON SYSTEM (Lucide inline SVGs) ───────────────────────── */
.icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  flex-shrink: 0;
  line-height: 1;
}
.icon-wrap svg {
  display: block;
  width: 1em;
  height: 1em;
}
/* Sizes */
.icon-sm svg  { width: 14px; height: 14px; }
.icon-md svg  { width: 18px; height: 18px; }
.icon-lg svg  { width: 22px; height: 22px; }
.icon-xl svg  { width: 28px; height: 28px; }
.icon-2xl svg { width: 36px; height: 36px; }

/* Nav icons */
.nav-icon svg { width: 20px; height: 20px; stroke-width: 1.8; }

/* Inline icon spacing */
.icon-wrap + * , * + .icon-wrap { margin-left: 5px; }
button .icon-wrap, a .icon-wrap { pointer-events: none; }