/* =====================================================================
   VTU Developer Notes Platform - Core Theme  (Black + Blue / Glassmorphism)
   ===================================================================== */
:root{
  --bg:#000000;
  --bg-2:#05070f;
  --panel:#0a0f1f;
  --panel-2:#0d1830;
  --line:#16223f;
  --line-2:#1d2b4d;
  --blue:#1d4ed8;
  --blue-2:#3b82f6;
  --blue-3:#60a5fa;
  --sky:#7cc4ff;
  --text:#dfe7ff;
  --muted:#8a97bd;
  --muted-2:#6b7aa3;
  --good:#4ade80;
  --bad:#f87171;
  --warn:#fbbf24;
  --grad:linear-gradient(135deg,#1d4ed8,#3b82f6);
  --grad-soft:linear-gradient(135deg,rgba(29,78,216,.18),rgba(59,130,246,.08));
  --shadow:0 18px 50px rgba(0,0,0,.55);
  --radius:18px;
  --radius-sm:12px;
  --glass:rgba(13,24,48,.55);
  --glass-border:rgba(96,165,250,.18);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;
  background:#000;
  color:var(--text);
  line-height:1.6;
  min-height:100vh;
  overflow-x:hidden;
  /* subtle blue aura kept restrained so the base reads as solid black */
  background-image:
    radial-gradient(820px 460px at 12% -10%,rgba(29,78,216,.14),transparent 60%),
    radial-gradient(720px 460px at 100% -4%,rgba(59,130,246,.08),transparent 58%);
  background-color:#000;
  background-attachment:fixed;
}
a{color:var(--blue-3);text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1200px,92%);margin-inline:auto}
.section{padding:54px 0}
 
/* ----------  NAVBAR  ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background: black;
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{
  font-size:1.35rem;
  font-weight:800;
  color:#fff;
}
 
.brand span{
  color:var(--sky);
}
.nav-links{display:flex;gap:8px;align-items:center}
.nav-links a{
  color:var(--muted);padding:8px 14px;border-radius:10px;font-weight:600;font-size:.95rem;
  transition:.2s;
}
.nav-links a:hover{color:#fff;background:var(--glass)}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:1.4rem;cursor:pointer}
 
/* ----------  BUTTONS  ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;justify-content:center;
  padding:12px 22px;border-radius:12px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;transition:.2s;text-align:center;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(29,78,216,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(29,78,216,.55)}
.btn-ghost{background:var(--glass);color:var(--text);border-color:var(--glass-border)}
.btn-ghost:hover{border-color:var(--blue-2);color:#fff}
.btn-danger{background:linear-gradient(135deg,#b91c1c,#ef4444);color:#fff}
.btn-block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
 
/* ----------  GLASS CARD  ---------- */
.card{
  background: black;
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
  padding:22px;
}
 
/* ----------  HERO  ---------- */
.hero{padding:70px 0 40px;text-align:center}
.hero .eyebrow{
  display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  color:var(--sky);background: black ;border:1px solid var(--glass-border);
  padding:7px 16px;border-radius:999px;margin-bottom:18px;
}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:800;line-height:1.1;color:#fff;letter-spacing:-1px}
.hero h1 .accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{max-width:640px;margin:18px auto 0;color:var(--muted);font-size:1.08rem}
.hero-actions{display:flex;gap:14px;justify-content:center;margin-top:28px;flex-wrap:wrap}
 
/* ----------  SEARCH  ---------- */
.search-wrap{max-width:620px;margin:26px auto 0;position:relative}
.search-wrap i{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--muted)}
.search-wrap input{
  width:100%;padding:15px 18px 15px 48px;border-radius:14px;
  background:black;border:1px solid var(--line-2);color:#fff;font-size:1rem;
}
.search-wrap input:focus{outline:none;border-color:var(--blue-2);box-shadow:0 0 0 4px rgba(59,130,246,.18)}
 
/* ----------  GRID OF CARDS  ---------- */
.grid{display:grid;gap:20px}
.grid-branches{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
 
.tile{
  position:relative;display:block;padding:26px 22px;border-radius:var(--radius);
  background: black;
  border:1px solid var(--line);overflow:hidden;transition:.25s;cursor:pointer;
}
.tile::before{
  content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:.25s;
}
.tile:hover{transform:translateY(-6px);border-color:var(--blue-2)}
.tile:hover::before{opacity:1}
.tile > *{position:relative;z-index:1}
.tile .ico{
  width:54px;height:54px;border-radius:14px;display:grid;place-items:center;font-size:1.4rem;
  background:var(--grad);color:#fff;margin-bottom:16px;box-shadow:0 10px 22px rgba(29,78,216,.4)
}
.tile h3{font-size:1.12rem;color:#fff;margin-bottom:6px}
.tile p{color:var(--muted);font-size:.9rem}
.tile .meta{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}
.badge{
  font-size:.72rem;font-weight:700;letter-spacing:.4px;padding:5px 11px;border-radius:999px;
  background:var(--panel-2);border:1px solid var(--line-2);color:var(--sky);
}
.badge-soft{background:var(--grad-soft);color:var(--sky);border-color:var(--glass-border)}
.badge-good{color:var(--good);border-color:rgba(74,222,128,.3)}
.badge-warn{color:var(--warn);border-color:rgba(251,191,36,.3)}
.badge-bad{color:var(--bad);border-color:rgba(248,113,113,.3)}
 
/* ----------  BREADCRUMB  ---------- */
.crumb{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--muted-2);font-size:.9rem;margin-bottom:22px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--sky)}
.crumb i{font-size:.7rem;opacity:.6}
 
/* ----------  SECTION HEADING  ---------- */
.head{margin-bottom:24px}
.head h2{font-size:1.7rem;color:#fff;font-weight:800;letter-spacing:-.5px}
.head p{color:var(--muted);margin-top:6px}
 
/* ----------  COLLEGE STRIP  ---------- */
.college-strip{display:flex;gap:14px;overflow-x:auto;padding:6px 2px 14px}
.college-chip{
  position:relative;
  flex:0 0 auto;min-width:190px;padding:18px;border-radius:14px;
  background: black;border:1px solid var(--glass-border);cursor:pointer;transition:.2s;overflow:hidden;
}
.college-chip:hover{transform:translateY(-4px);border-color:var(--blue-2)}
.college-chip .ic{font-size:1.3rem;color:var(--sky);margin-bottom:8px}
.college-chip h4{color:#fff;font-size:1rem}
.college-chip span{color:var(--muted);font-size:.82rem}
.college-chip.active{border-color:var(--blue-2);box-shadow:0 0 0 3px rgba(59,130,246,.2)}
 
/* ----------  FORMS  ---------- */
.form-card{max-width:480px;margin:40px auto}
.field{margin-bottom:18px}
.field label{display:block;font-size:.88rem;font-weight:600;color:var(--text);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:11px;background: black;
  border:1px solid var(--line-2);color:#fff;font-size:.96rem;font-family:inherit;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue-2);box-shadow:0 0 0 4px rgba(59,130,246,.16)
}
.field .hint{font-size:.8rem;color:var(--muted-2);margin-top:6px}
.notice{
  background:var(--grad-soft);border:1px solid var(--glass-border);border-left:3px solid var(--blue-2);
  border-radius:10px;padding:14px 16px;color:var(--muted);font-size:.88rem;margin-bottom:18px;
}
.notice b{color:var(--sky)}
 
/* ----------  STEPPER  ---------- */
.steps{display:flex;gap:10px;margin-bottom:26px}
.step{flex:1;text-align:center;padding:10px;border-radius:10px;background:var(--panel);border:1px solid var(--line);color:var(--muted-2);font-size:.85rem;font-weight:600}
.step.active{background:var(--grad);color:#fff;border-color:transparent}
.step.done{color:var(--good);border-color:rgba(74,222,128,.3)}
 
/* ----------  ALERTS  ---------- */
.alert{padding:13px 16px;border-radius:11px;margin-bottom:16px;font-size:.92rem;border:1px solid}
.alert-error{background:rgba(248,113,113,.08);border-color:rgba(248,113,113,.3);color:#fecaca}
.alert-ok{background:rgba(74,222,128,.08);border-color:rgba(74,222,128,.3);color:#bbf7d0}
.alert-info{background:var(--grad-soft);border-color:var(--glass-border);color:var(--sky)}
 
/* ----------  OTP INPUTS  ---------- */
.otp-row{display:flex;gap:10px;justify-content:center;margin:8px 0 18px}
.otp-row input{
  width:52px;height:60px;text-align:center;font-size:1.5rem;font-weight:800;
  background: black;border:1px solid var(--line-2);border-radius:12px;color:#fff;
}
.otp-row input:focus{outline:none;border-color:var(--blue-2);box-shadow:0 0 0 4px rgba(59,130,246,.18)}
 
/* ----------  TABLE  ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line)}
table.data{width:100%;border-collapse:collapse;min-width:620px}
table.data th,table.data td{padding:13px 16px;text-align:left;font-size:.9rem;border-bottom:1px solid var(--line)}
table.data th{background:var(--panel-2);color:var(--sky);font-weight:700;font-size:.78rem;letter-spacing:.5px;text-transform:uppercase}
table.data tr:hover td{background:rgba(13,24,48,.5)}
 
/* ----------  EMPTY STATE  ---------- */
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty i{font-size:2.4rem;color:var(--line-2);margin-bottom:14px}
 
/* ----------  FOOTER  ---------- */
.footer{border-top:1px solid var(--line);padding:34px 0;margin-top:50px;color:var(--muted-2);font-size:.88rem}
.footer .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
 
/* ----------  TOAST  ---------- */
#toast{position:fixed;right:20px;bottom:20px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.toast{
  background:var(--panel-2);border:1px solid var(--line-2);border-left:3px solid var(--blue-2);
  padding:13px 18px;border-radius:11px;color:#fff;box-shadow:var(--shadow);min-width:240px;
  animation:slideIn .3s ease;font-size:.9rem;
}
.toast.ok{border-left-color:var(--good)}
.toast.err{border-left-color:var(--bad)}
@keyframes slideIn{from{transform:translateX(40px);opacity:0}to{transform:none;opacity:1}}
 
/* ----------  ANIMATIONS  ---------- */
.fade-up{animation:fadeUp .5s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.spin{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
 
/* ----------  RESPONSIVE  ---------- */
@media (max-width:760px){
  .nav-links{
    position:absolute;top:66px;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(0,0,0,.96);border-bottom:1px solid var(--line);padding:8px;display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:13px 16px}
  .nav-toggle{display:block}
  .section{padding:36px 0}
  .footer .container{flex-direction:column;text-align:center}
}
 
/* accessibility */
:focus-visible{outline:2px solid var(--blue-3);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
 
/* collapsible inline edit/reject rows (admin) */
.reject-box{display:none}
.reject-box.open{display:block}
tr.reject-box.open{display:table-row}
 
/* =====================================================================
   2025 UPDATE — Scheme picker, NEW fire badge, polish (black theme)
   ===================================================================== */
 
/* ----------  "NEW" FIRE BADGE (top-right of any tile/card)  ---------- */
.fire-badge{
  position:absolute;top:10px;right:10px;z-index:6;
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 10px 4px 9px;border-radius:999px;
  font-size:.64rem;font-weight:800;letter-spacing:.6px;text-transform:uppercase;
  color:#fff;
  background: red;
  border:1px solid rgba(251,191,36,.55);
  box-shadow:0 0 14px rgba(249,115,22,.5);
  animation:firePulse 1.5s ease-in-out infinite;
  pointer-events:none;
}
.fire-badge i{
  color:#ffd27a;
  animation:fireFlicker .55s ease-in-out infinite alternate;
}
@keyframes firePulse{
  0%,100%{box-shadow:0 0 12px rgba(249,115,22,.45);transform:translateY(0)}
  50%    {box-shadow:0 0 24px rgba(249,115,22,.9);transform:translateY(-1px)}
}
@keyframes fireFlicker{
  0%  {transform:scale(1) rotate(-3deg);filter:drop-shadow(0 0 3px #fbbf24)}
  50% {transform:scale(1.18) rotate(2deg);filter:drop-shadow(0 0 7px #f97316)}
  100%{transform:scale(1.05) rotate(-1deg);filter:drop-shadow(0 0 10px #ef4444)}
}
 
/* ----------  SCHEME PICKER CARDS  ---------- */
.grid-schemes{
  display:grid;gap:22px;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  max-width:820px;
}
.scheme-tile{
  position:relative;display:flex;flex-direction:column;gap:12px;
  padding:30px 26px;border-radius:20px;overflow:hidden;cursor:pointer;
  background:
    radial-gradient(420px 200px at 100% 0%,rgba(59,130,246,.18),transparent 60%),
    linear-gradient(165deg,#0b1530 0%,#05070f 100%);
  border:1px solid var(--line-2);
  transition:.25s ease;
}
.scheme-tile::after{
  content:"";position:absolute;inset:0;border-radius:20px;
  background:var(--grad-soft);opacity:0;transition:.25s;
}
.scheme-tile:hover{transform:translateY(-6px);border-color:var(--blue-2);box-shadow:0 22px 50px rgba(29,78,216,.32)}
.scheme-tile:hover::after{opacity:1}
.scheme-tile > *{position:relative;z-index:1}
.scheme-ico{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:1.5rem;
  background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(29,78,216,.45)
}
.scheme-year{font-size:1.9rem;font-weight:800;color:#fff;line-height:1;letter-spacing:-1px}
.scheme-year span{font-size:1rem;font-weight:700;color:var(--sky);letter-spacing:0}
.scheme-tile p{color:var(--muted);font-size:.92rem;margin:0}
.scheme-go{
  margin-top:6px;display:inline-flex;align-items:center;gap:8px;
  color:var(--sky);font-weight:700;font-size:.92rem;transition:.2s;
}
.scheme-tile:hover .scheme-go{gap:12px;color:#fff}
 
/* ----------  SCHEME PILL (inline heading badge)  ---------- */
.scheme-pill{
  display:inline-block;vertical-align:middle;margin-left:10px;
  font-size:.7rem;font-weight:800;letter-spacing:.5px;text-transform:uppercase;
  color:var(--sky);background:var(--grad-soft);border:1px solid var(--glass-border);
  padding:5px 12px;border-radius:999px;
}
.scheme-hint{font-size:.74rem;font-weight:600;color:var(--muted-2);text-transform:none;letter-spacing:0}
 
/* ----------  TILE POLISH (ensure badges sit above hover layer)  ---------- */
.tile{isolation:isolate}
 
/* black-solid surfaces everywhere */
.nav{background:rgba(0,0,0,.72)}
@media (max-width:760px){ .nav-links{background:#000} }