/* ============================================
   Belajar Sains Bersama Murid Hebat
   Theme: space / science
============================================ */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#050a1a;
  --bg2:#0b1d3a;
  --card:#ffffff;
  --primary:#6366f1;
  --primary-2:#8b5cf6;
  --accent:#22d3ee;
  --text:#1f2937;
  --muted:#6b7280;
  --success:#10b981;
  --danger:#ef4444;
  --warn:#f59e0b;
}
html,body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:var(--text);background:#f3f4f6;min-height:100vh}
a{text-decoration:none;color:var(--primary)}

/* ===== Space background ===== */
.space-bg{
  position:relative;min-height:100vh;
  background:radial-gradient(ellipse at top,#1e1b4b 0%,#050a1a 60%);
  color:#fff;overflow:hidden;
}
.space-bg::before,.space-bg::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(2px 2px at 20% 30%,#fff,transparent),
    radial-gradient(1px 1px at 40% 70%,#fff,transparent),
    radial-gradient(1.5px 1.5px at 70% 40%,#fff,transparent),
    radial-gradient(1px 1px at 80% 80%,#fff,transparent),
    radial-gradient(2px 2px at 10% 90%,#fff,transparent),
    radial-gradient(1px 1px at 55% 15%,#fff,transparent),
    radial-gradient(1.5px 1.5px at 90% 20%,#fff,transparent);
  background-size:100% 100%;
  animation:twinkle 4s infinite alternate;
}
.space-bg::after{animation-delay:2s;opacity:.6}
@keyframes twinkle{from{opacity:.3}to{opacity:1}}

/* ===== Landing ===== */
.landing{min-height:100vh;display:flex;flex-direction:column;align-items:center;
  justify-content:center;padding:40px 20px;position:relative;z-index:2}
.landing h1{font-size:clamp(28px,5vw,52px);text-align:center;
  background:linear-gradient(90deg,#22d3ee,#8b5cf6,#f472b6);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:.5px}
.landing .tagline{margin-top:10px;font-size:clamp(14px,2vw,20px);
  color:#cbd5e1;text-align:center;font-style:italic}
.role-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:50px;max-width:720px;width:100%}
@media(max-width:640px){.role-wrap{grid-template-columns:1fr}}
.role-card{
  background:rgba(255,255,255,.08);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.18);border-radius:24px;
  padding:36px 24px;text-align:center;color:#fff;cursor:pointer;
  transition:.3s;position:relative;overflow:hidden
}
.role-card:hover{transform:translateY(-8px);border-color:var(--accent);
  box-shadow:0 20px 60px rgba(34,211,238,.25)}
.role-card .icon{font-size:72px;margin-bottom:14px;display:block}
.role-card h3{font-size:22px;margin-bottom:6px}
.role-card p{color:#cbd5e1;font-size:14px}
.planet{position:absolute;border-radius:50%;filter:blur(40px);opacity:.4;z-index:1}
.planet.p1{width:300px;height:300px;background:#8b5cf6;top:-80px;left:-80px}
.planet.p2{width:240px;height:240px;background:#22d3ee;bottom:-60px;right:-60px}

/* ===== Auth forms ===== */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:30px 16px;position:relative;z-index:2}
.auth-card{background:#fff;color:var(--text);width:100%;max-width:440px;
  border-radius:22px;padding:36px 30px;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.auth-card h2{color:var(--bg2);margin-bottom:6px;display:flex;align-items:center;gap:10px}
.auth-card .sub{color:var(--muted);margin-bottom:20px;font-size:14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:#374151}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1.5px solid #e5e7eb;border-radius:10px;
  font-size:15px;outline:none;transition:.2s;font-family:inherit
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.15)}
.pwd-wrap{position:relative}
.pwd-wrap input{padding-right:44px}
.pwd-toggle{position:absolute;right:10px;top:50%;transform:translateY(-50%);
  background:none;border:none;cursor:pointer;color:#6b7280;font-size:18px;padding:6px}
.btn{display:inline-block;width:100%;padding:13px;border:none;border-radius:10px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  color:#fff;font-weight:700;font-size:15px;cursor:pointer;transition:.2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(99,102,241,.35)}
.btn-sm{padding:8px 14px;width:auto;font-size:13px;border-radius:8px}
.btn-danger{background:linear-gradient(90deg,#ef4444,#f97316)}
.btn-success{background:linear-gradient(90deg,#10b981,#06b6d4)}
.btn-warn{background:linear-gradient(90deg,#f59e0b,#f97316)}
.alert{padding:11px 14px;border-radius:8px;margin-bottom:14px;font-size:14px}
.alert.err{background:#fee2e2;color:#991b1b}
.alert.ok{background:#dcfce7;color:#166534}
.switch{margin-top:14px;text-align:center;font-size:14px;color:var(--muted)}

/* ===== Dashboard layout ===== */
.app{display:flex;min-height:100vh;background:#f3f4f6}
.sidebar{width:250px;background:linear-gradient(180deg,#0b1d3a,#1e1b4b);
  color:#fff;padding:22px 0;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar .brand{padding:0 22px 18px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:14px}
.sidebar .brand h3{font-size:15px;line-height:1.3}
.sidebar .brand small{color:#94a3b8;font-size:11px;display:block;margin-top:3px}
.sidebar a{display:flex;align-items:center;gap:12px;padding:12px 22px;color:#cbd5e1;
  transition:.2s;border-left:3px solid transparent;font-size:14px}
.sidebar a:hover,.sidebar a.active{background:rgba(255,255,255,.08);
  color:#fff;border-left-color:var(--accent)}
.sidebar a i{width:20px;text-align:center}
.main{flex:1;padding:26px 32px;max-width:100%;overflow-x:auto}
.topbar{display:flex;justify-content:space-between;align-items:center;
  margin-bottom:24px;flex-wrap:wrap;gap:12px}
.topbar h1{font-size:22px;color:#0b1d3a}
.user-chip{display:flex;align-items:center;gap:10px;background:#fff;padding:8px 14px;
  border-radius:999px;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.user-chip .avatar{width:34px;height:34px;border-radius:50%;
  background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700}
@media(max-width:780px){
  .app{flex-direction:column}
  .sidebar{width:100%;height:auto;position:static}
  .sidebar a{padding:10px 18px}
  .main{padding:18px}
}

/* ===== Cards / stat ===== */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-bottom:28px}
.stat{background:#fff;padding:20px;border-radius:16px;box-shadow:0 4px 14px rgba(0,0,0,.05);
  display:flex;align-items:center;gap:14px;border-left:5px solid var(--primary)}
.stat.green{border-left-color:var(--success)}
.stat.orange{border-left-color:var(--warn)}
.stat.cyan{border-left-color:var(--accent)}
.stat i{font-size:34px;color:var(--primary);opacity:.7}
.stat.green i{color:var(--success)}
.stat.orange i{color:var(--warn)}
.stat.cyan i{color:var(--accent)}
.stat .num{font-size:26px;font-weight:800;color:#0b1d3a}
.stat .lbl{font-size:13px;color:var(--muted)}

.card{background:#fff;border-radius:16px;padding:22px;box-shadow:0 4px 14px rgba(0,0,0,.05);margin-bottom:22px}
.card h2{color:#0b1d3a;font-size:18px;margin-bottom:14px;display:flex;
  justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}

/* Table */
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid #f1f5f9;font-size:14px}
th{background:#f8fafc;color:#475569;font-weight:600;font-size:13px}
tr:hover td{background:#fafbff}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:700}
.badge.pg{background:#dbeafe;color:#1e40af}
.badge.pgk{background:#ede9fe;color:#6d28d9}
.badge.bs{background:#fef3c7;color:#92400e}
.badge.isian{background:#dcfce7;color:#166534}
.actions{display:flex;gap:6px;flex-wrap:wrap}

/* Quiz runner */
.timer{background:var(--danger);color:#fff;padding:10px 18px;border-radius:999px;
  font-weight:800;font-size:17px;display:inline-block}
.soal{background:#f8fafc;border-radius:12px;padding:18px;margin-bottom:16px;
  border-left:4px solid var(--primary)}
.soal .q{font-weight:600;margin-bottom:12px;font-size:15px}
.opt{display:block;padding:10px 14px;background:#fff;border:1.5px solid #e5e7eb;
  border-radius:8px;margin-bottom:8px;cursor:pointer;transition:.15s}
.opt:hover{border-color:var(--primary);background:#f0f4ff}
.opt input{margin-right:10px}