/* ==========================================================================
   AUTH UI — shared styles for login.html, register.html, dashboard.html,
   leaderboard.html. Tokens and component classes are copied verbatim from
   premium-test-series.html so these pages match the site's existing look,
   animations and typography exactly. Load after the Google Fonts <link>
   tags, before any page-specific inline <style>.
   ========================================================================== */
:root{
  --bg:#12163B; --surface:#1B2050; --surface-2:#232a63; --line:rgba(255,255,255,0.08);
  --text:#F1EFFF; --text-dim:rgba(241,239,255,0.62);
  --gold:#F2B705; --danger:#FF5C7A;
  --grammar:#4C9EEB; --english:#B084FF; --science:#3FD9A8; --sst:#FF8A3D;
  --radius:20px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;overflow-x:hidden;max-width:100%;}
body{
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(76,158,235,0.16), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(176,132,255,0.12), transparent 60%),
    var(--bg);
  color:var(--text); font-family:'Inter',sans-serif; min-height:100vh; -webkit-font-smoothing:antialiased;
}
.display{font-family:'Baloo 2',sans-serif;}
.mono{font-family:'JetBrains Mono',monospace;}
.wrap{max-width:1000px;margin:0 auto;padding:28px 20px 80px;}

.back-home{
  display:inline-flex;align-items:center;gap:6px;
  margin-bottom:16px;padding:7px 13px;
  border-radius:999px;border:1px solid var(--line);
  background:var(--surface);color:var(--text-dim);
  font-size:12.5px;font-weight:600;text-decoration:none;
}
.back-home:hover{color:var(--gold);border-color:var(--gold);}
.back-home svg{width:14px;height:14px;flex-shrink:0;}

.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:10px;}
.brand-badge{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--gold),#ffdb6b);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:#2b1e00;font-family:'Baloo 2',sans-serif;font-size:15px;
  box-shadow:0 4px 14px rgba(242,183,5,0.35);}
.brand-name{font-family:'Baloo 2',sans-serif;font-weight:700;font-size:19px;}
.brand-sub{font-size:11.5px;color:var(--text-dim);margin-top:-2px;}
.topbar-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.premium-tag{background:var(--surface-2);border:1px solid var(--line);color:var(--text-dim);
  font-size:11px;font-weight:700;letter-spacing:.04em;padding:5px 10px;border-radius:999px;}

.icon-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--text-dim);font-size:12.5px;
  font-weight:600;cursor:pointer;font-family:'Inter',sans-serif;text-decoration:none;}
.icon-btn:hover{color:var(--gold);border-color:var(--gold);}

.btn{font-family:'Baloo 2',sans-serif;font-weight:600;font-size:13.5px;border:none;border-radius:12px;
  padding:11px 18px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .12s;text-decoration:none;}
.btn:active{transform:scale(0.96);}
.btn:disabled{opacity:.6;cursor:default;}
.btn-primary{background:linear-gradient(135deg,var(--gold),#ffd766);color:#2b1e00;box-shadow:0 6px 18px rgba(242,183,5,0.28);}
.btn-ghost{background:var(--surface);color:var(--text-dim);border:1px solid var(--line);}
.btn-block{width:100%;}

/* ---- auth card (login / register / forgot password) ---- */
.login-gate{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;}
.login-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  max-width:400px;width:100%;padding:28px 26px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.35);}
.login-card.wide{max-width:480px;}
.login-badge{width:52px;height:52px;border-radius:15px;background:linear-gradient(135deg,var(--gold),#ffdb6b);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:#2b1e00;
  font-family:'Baloo 2',sans-serif;font-size:19px;margin:0 auto 14px;box-shadow:0 6px 18px rgba(242,183,5,.35);}
.login-title{font-family:'Baloo 2',sans-serif;font-weight:700;font-size:19px;margin-bottom:4px;}
.login-title-animated{
  background-image:linear-gradient(100deg, var(--grammar) 0%, var(--gold) 30%, var(--english) 55%, var(--science) 75%, var(--gold) 90%, var(--grammar) 100%);
  background-size:300% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation: loginTitleShimmer 6s linear infinite;
  display:inline-block;
}
@keyframes loginTitleShimmer{0%{background-position:0% 50%;}100%{background-position:300% 50%;}}
@media (prefers-reduced-motion: reduce){.login-title-animated{animation:none;}}
.login-sub{font-size:12.5px;color:var(--text-dim);margin-bottom:20px;}
.login-field{text-align:left;margin-bottom:12px;}
.login-field label{display:block;font-size:12px;font-weight:600;color:var(--text-dim);margin-bottom:5px;}
.login-field input,.login-field select{width:100%;background:var(--surface-2);border:1.5px solid var(--line);border-radius:10px;
  padding:10px 12px;font-size:14px;color:var(--text);font-family:'Inter',sans-serif;}
.login-field input:focus,.login-field select:focus{outline:none;border-color:var(--grammar);}
.login-field .hint{font-size:11px;color:var(--text-dim);margin-top:4px;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.login-remember{display:flex;align-items:center;gap:8px;margin:14px 0;text-align:left;}
.login-remember label{font-size:12.5px;color:var(--text-dim);cursor:pointer;}
.login-remember input{width:15px;height:15px;flex-shrink:0;}
.login-error{font-size:12.5px;color:var(--danger);min-height:1.4em;margin-bottom:6px;}
.login-ok{font-size:12.5px;color:var(--science);min-height:1.4em;margin-bottom:6px;}
.login-forgot-link{display:block;margin:14px auto 0;font-size:12px;color:var(--text-dim);
  text-decoration:underline;cursor:pointer;background:none;border:none;font-family:'Inter',sans-serif;}
.login-forgot-link:hover{color:var(--gold);}
.login-switch{margin-top:16px;font-size:12.5px;color:var(--text-dim);}
.login-switch a{color:var(--gold);text-decoration:none;font-weight:600;}
.login-switch a:hover{text-decoration:underline;}

.forgot-panel{display:none;text-align:left;}
.login-card.forgot-mode #loginForm{display:none;}
.login-card.forgot-mode .login-forgot-link{display:none;}
.login-card.forgot-mode .forgot-panel{display:block;}
.forgot-step{display:none;}
.forgot-step.active{display:block;}
.forgot-hint{font-size:12px;color:var(--text-dim);margin-bottom:14px;line-height:1.55;text-align:center;}
.forgot-msg{font-size:12.5px;min-height:1.4em;margin-bottom:6px;}
.forgot-msg.ok{color:var(--science);}
.forgot-msg.err{color:var(--danger);}
.forgot-resend{font-size:12px;color:var(--text-dim);margin-top:10px;text-align:center;}
.forgot-resend button{background:none;border:none;color:var(--gold);cursor:pointer;font-weight:600;text-decoration:underline;font-family:'Inter',sans-serif;}
.forgot-resend button:disabled{color:var(--text-dim);cursor:default;text-decoration:none;}
.forgot-back{display:block;margin:16px auto 0;font-size:12px;color:var(--text-dim);
  text-decoration:underline;cursor:pointer;background:none;border:none;font-family:'Inter',sans-serif;}
.forgot-back:hover{color:var(--gold);}

/* ---- stat cards (dashboard) ---- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-bottom:18px;}
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 10px;text-align:center;}
.stat-num{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:24px;}
.stat-label{font-size:11px;color:var(--text-dim);margin-top:3px;}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:18px;}
.panel-title{font-family:'Baloo 2',sans-serif;font-weight:700;font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;justify-content:space-between;}

.data-table{width:100%;border-collapse:collapse;font-size:13px;}
.data-table th{text-align:left;color:var(--text-dim);font-weight:600;font-size:11.5px;padding:8px 10px;border-bottom:1px solid var(--line);}
.data-table td{padding:10px;border-bottom:1px solid var(--line);}
.data-table tr:last-child td{border-bottom:none;}
.data-table tr.me{background:rgba(242,183,5,0.08);}
.rank-badge{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;
  background:var(--surface-2);font-weight:800;font-family:'Baloo 2',sans-serif;font-size:12px;}
.rank-badge.top1{background:linear-gradient(135deg,var(--gold),#ffdb6b);color:#2b1e00;}
.rank-badge.top2{background:linear-gradient(135deg,#cfd8e8,#a9b6cc);color:#16213A;}
.rank-badge.top3{background:linear-gradient(135deg,#e8b08a,#c98a5c);color:#16213A;}

.empty-note{font-size:13px;color:var(--text-dim);text-align:center;padding:30px 0;}
.center-loading{text-align:center;color:var(--text-dim);font-size:13px;padding:30px 0;}