/* =====================================================
   BLUE CRYSTAL GLASS UI
   Glassmorphism + Soft Neumorphism
   ===================================================== */

:root {
  --biru-1: #eaf4ff;
  --biru-2: #cfe8ff;
  --biru-3: #9fd0ff;
  --biru-4: #4facfe;
  --biru-5: #1e6fd9;
  --biru-deep: #0b3d75;
  --putih: #ffffff;
  --teks-gelap: #0f2b4a;
  --teks-abu: #52708f;
  --emas: #ffc94d;
  --perak: #d9e2ec;
  --perunggu: #e0a878;
  --sukses: #29c46f;
  --gagal: #ff5c7a;
  --radius: 24px;
  --shadow-neu: 8px 8px 20px rgba(64, 122, 187, 0.25), -8px -8px 20px rgba(255, 255, 255, 0.8);
  --shadow-neu-in: inset 6px 6px 14px rgba(64, 122, 187, 0.2), inset -6px -6px 14px rgba(255, 255, 255, 0.7);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  font-family: 'Poppins', 'Segoe UI', sans-serif;
  color: var(--teks-gelap);
  background: linear-gradient(135deg, var(--biru-1) 0%, var(--biru-2) 45%, var(--biru-3) 100%);
  overflow-x: hidden;
}

/* ---------- Latar animasi bola kaca mengambang ---------- */
.bg-bubbles {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}
.bg-bubbles span {
  position: absolute;
  display: block;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.9), rgba(159,208,255,0.15));
  backdrop-filter: blur(2px);
  animation: mengambang 18s ease-in-out infinite;
}
.bg-bubbles span:nth-child(1){ width:120px; height:120px; left:8%; top:15%; animation-duration:16s; }
.bg-bubbles span:nth-child(2){ width:80px; height:80px; left:80%; top:10%; animation-duration:20s; animation-delay:2s;}
.bg-bubbles span:nth-child(3){ width:160px; height:160px; left:70%; top:65%; animation-duration:22s; animation-delay:1s;}
.bg-bubbles span:nth-child(4){ width:60px; height:60px; left:20%; top:75%; animation-duration:14s; animation-delay:3s;}
.bg-bubbles span:nth-child(5){ width:100px; height:100px; left:45%; top:40%; animation-duration:24s; animation-delay:4s;}

@keyframes mengambang {
  0%,100% { transform: translateY(0) translateX(0) scale(1); }
  50% { transform: translateY(-40px) translateX(20px) scale(1.08); }
}

/* ---------- Kartu Glassmorphism ---------- */
.glass {
  background: rgba(255, 255, 255, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(31, 90, 160, 0.18), inset 0 1px 0 rgba(255,255,255,0.6);
}

/* ---------- Tombol Neumorphism ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border: none;
  border-radius: 16px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  background: linear-gradient(145deg, #5aa9ff, #3d8bef);
  color: #fff;
  box-shadow: 6px 6px 16px rgba(41, 98, 168, 0.35), -4px -4px 12px rgba(255,255,255,0.5);
  transition: all 0.25s ease;
  text-decoration: none;
}
.btn:hover { transform: translateY(-3px); box-shadow: 8px 8px 22px rgba(41,98,168,0.4), -4px -4px 14px rgba(255,255,255,0.6); }
.btn:active { transform: translateY(0); box-shadow: var(--shadow-neu-in); }
.btn-outline {
  background: rgba(255,255,255,0.5);
  color: var(--biru-5);
  box-shadow: var(--shadow-neu);
}
.btn-danger { background: linear-gradient(145deg, #ff7b93, #ff5c7a); }
.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 12px; }
.btn-block { width: 100%; }

/* ---------- Input Neumorphism ---------- */
.input-group { margin-bottom: 18px; text-align: left; }
.input-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--teks-abu);
  margin-bottom: 8px;
  letter-spacing: .3px;
}
.input-neu {
  width: 100%;
  padding: 14px 18px;
  border: none;
  border-radius: 14px;
  background: var(--biru-1);
  box-shadow: var(--shadow-neu-in);
  font-size: 15px;
  color: var(--teks-gelap);
  outline: none;
  transition: box-shadow .2s ease;
}
.input-neu:focus { box-shadow: inset 4px 4px 10px rgba(64,122,187,0.25), inset -4px -4px 10px rgba(255,255,255,0.8), 0 0 0 3px rgba(79,172,254,0.35); }

/* ---------- Navbar ---------- */
.navbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 40px;
  margin: 0;
}
.navbar .logo { display:flex; align-items:center; gap:10px; font-weight:700; font-size:20px; color:var(--biru-deep); }
.navbar .logo .ikon {
  width:42px;height:42px;border-radius:14px;
  background:linear-gradient(145deg,#7ec2ff,#3d8bef);
  display:flex;align-items:center;justify-content:center;
  box-shadow: var(--shadow-neu); font-size:20px; color:#fff;
}
.navbar nav a {
  margin-left: 22px; text-decoration:none; color: var(--teks-abu); font-weight:600; font-size:14px;
  transition:.2s;
}
.navbar nav a:hover { color: var(--biru-5); }

/* ---------- Container ---------- */
.container { max-width: 1180px; margin: 0 auto; padding: 20px 24px 60px; }

/* ---------- Hero ---------- */
.hero { text-align:center; padding: 50px 20px 40px; animation: masuk 0.8s ease; }
.hero h1 { font-size: 40px; color: var(--biru-deep); margin-bottom: 14px; }
.hero h1 span { color: var(--biru-4); }
.hero p { color: var(--teks-abu); font-size: 16px; max-width: 560px; margin: 0 auto 26px; }

@keyframes masuk { from { opacity:0; transform: translateY(24px);} to {opacity:1; transform:translateY(0);} }

/* ---------- Grid kartu kuis ---------- */
.grid-kuis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 26px;
  margin-top: 30px;
}
.kartu-kuis {
  padding: 26px;
  animation: masuk .6s ease both;
  position: relative;
  overflow: hidden;
}
.kartu-kuis::before {
  content:"";
  position:absolute; top:-40%; right:-30%;
  width:180px; height:180px; border-radius:50%;
  background: radial-gradient(circle, rgba(159,208,255,0.55), transparent 70%);
}
.kartu-kuis h3 { font-size: 19px; color: var(--biru-deep); margin-bottom: 8px; }
.kartu-kuis p.desk { color: var(--teks-abu); font-size: 13.5px; margin-bottom: 16px; min-height: 36px; }
.badge {
  display:inline-block; padding:5px 14px; border-radius: 999px;
  font-size:11px; font-weight:700; letter-spacing:.4px;
  background: rgba(79,172,254,0.18); color: var(--biru-5);
  margin-bottom: 14px;
}
.info-mini { display:flex; gap:16px; font-size:12.5px; color:var(--teks-abu); margin-bottom:18px;}
.info-mini b { color: var(--teks-gelap); }

/* ---------- Podium Juara ---------- */
.podium-wrap { margin-top: 22px; }
.podium {
  display:flex; align-items:flex-end; justify-content:center; gap: 10px; margin: 26px 0 10px;
}
.podium .pilar {
  width: 92px; border-radius: 16px 16px 0 0;
  display:flex; flex-direction:column; align-items:center; justify-content:flex-end;
  padding: 10px 6px 14px;
  position: relative;
  animation: naik 0.9s cubic-bezier(.2,.9,.3,1.2) both;
}
@keyframes naik { from { transform: scaleY(0); opacity:0; } to { transform: scaleY(1); opacity:1; } }
.podium .pilar { transform-origin: bottom; }
.pilar-1 { height: 150px; background: linear-gradient(160deg,#ffe28a,#ffc94d); order:2; box-shadow: var(--shadow-neu);}
.pilar-2 { height: 118px; background: linear-gradient(160deg,#eef2f8,#d9e2ec); order:1; box-shadow: var(--shadow-neu);}
.pilar-3 { height: 96px; background: linear-gradient(160deg,#f3caa2,#e0a878); order:3; box-shadow: var(--shadow-neu);}
.mahkota { font-size: 26px; position:absolute; top:-34px; animation: goyang 2s ease-in-out infinite; }
@keyframes goyang { 0%,100%{transform:rotate(-8deg);} 50%{transform:rotate(8deg);} }
.pilar .avatar {
  width:46px;height:46px;border-radius:50%;
  background:#fff; display:flex;align-items:center;justify-content:center;
  font-weight:700; color:var(--biru-5); margin-bottom:8px; box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}
.pilar .nama { font-size:12px; font-weight:700; color:#40352a; text-align:center; line-height:1.2;}
.pilar .skor { font-size:11px; color:#5a4a38; margin-top:2px; }

/* ---------- Tabel ranking penuh ---------- */
.tabel-rank { width:100%; border-collapse: collapse; margin-top: 18px; }
.tabel-rank th, .tabel-rank td {
  padding: 12px 14px; text-align:left; font-size: 13.5px;
}
.tabel-rank thead th {
  color: var(--teks-abu); font-size: 11.5px; text-transform: uppercase; letter-spacing: .5px;
  border-bottom: 2px solid rgba(79,172,254,0.25);
}
.tabel-rank tbody tr {
  background: rgba(255,255,255,0.4);
  transition:.2s;
}
.tabel-rank tbody tr:hover { background: rgba(255,255,255,0.7); transform: scale(1.005); }
.tabel-rank td:first-child, .tabel-rank th:first-child { border-radius: 12px 0 0 12px; padding-left:20px;}
.tabel-rank td:last-child, .tabel-rank th:last-child { border-radius: 0 12px 12px 0; }
.no-urut { font-weight:800; color: var(--biru-5); }
.no-urut.emas { color:#e2a300; }
.no-urut.perak { color:#8a97a6; }
.no-urut.perunggu { color:#b3703c; }

/* ---------- Halaman Login ---------- */
.login-wrap { min-height: 100vh; display:flex; align-items:center; justify-content:center; padding: 30px;}
.login-card { width: 100%; max-width: 420px; padding: 44px 38px; text-align:center; animation: masuk .7s ease;}
.login-card .ikon-besar {
  width:74px;height:74px;border-radius:22px;margin:0 auto 18px;
  background:linear-gradient(145deg,#7ec2ff,#3d8bef);
  display:flex;align-items:center;justify-content:center;font-size:32px;color:#fff;
  box-shadow: var(--shadow-neu);
}
.login-card h2 { color: var(--biru-deep); margin-bottom: 6px; font-size:22px;}
.login-card p.sub { color: var(--teks-abu); font-size: 13.5px; margin-bottom: 26px; }
.pesan-error {
  background: rgba(255,92,122,0.15); color:#c8324a; padding:12px 16px;
  border-radius: 12px; font-size:13px; margin-bottom:18px; text-align:left;
}
.pesan-sukses {
  background: rgba(41,196,111,0.15); color:#1a8f4f; padding:12px 16px;
  border-radius: 12px; font-size:13px; margin-bottom:18px; text-align:left;
}
.link-balik { display:block; margin-top:20px; font-size:13px; color:var(--teks-abu); text-decoration:none;}
.link-balik:hover { color: var(--biru-5); }

/* ---------- Halaman Kuis (soal) ---------- */
.quiz-top {
  display:flex; align-items:center; justify-content:space-between;
  padding: 16px 24px; margin-bottom: 24px;
}
.timer-box {
  display:flex; align-items:center; gap:10px; font-weight:700; color: var(--biru-deep);
  padding: 10px 20px; border-radius: 14px; font-size: 18px;
}
.timer-box.waspada { color: var(--gagal); animation: kedip 1s infinite; }
@keyframes kedip { 50% { opacity: .4; } }

.progress-outer {
  width:100%; height:12px; border-radius: 999px; background: var(--biru-1);
  box-shadow: var(--shadow-neu-in); overflow:hidden; margin: 18px 0 30px;
}
.progress-inner {
  height:100%; border-radius:999px;
  background: linear-gradient(90deg, #7ec2ff, #4facfe);
  transition: width .4s ease;
}

.soal-card { padding: 34px; animation: geser .45s ease both; }
@keyframes geser { from { opacity:0; transform: translateX(30px);} to {opacity:1; transform:translateX(0);} }
.soal-nomor { font-size:13px; color: var(--biru-5); font-weight:700; margin-bottom:10px; letter-spacing:.5px;}
.soal-teks { font-size: 20px; color: var(--teks-gelap); font-weight:600; margin-bottom: 26px; line-height:1.5; }

.opsi-list { display:grid; gap:14px; }
.opsi {
  display:flex; align-items:center; gap:14px;
  padding: 16px 18px; border-radius:16px; cursor:pointer;
  background: rgba(255,255,255,0.5); box-shadow: var(--shadow-neu);
  transition: all .2s ease; font-size:15px; font-weight:500;
}
.opsi:hover { transform: translateY(-2px) scale(1.01); background: rgba(255,255,255,0.75); }
.opsi.dipilih {
  background: linear-gradient(145deg,#7ec2ff,#4facfe); color:#fff;
  box-shadow: 0 6px 18px rgba(64,140,220,0.4);
}
.opsi .huruf {
  width:32px;height:32px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-weight:700;
  background: var(--biru-1); color: var(--biru-5);
}
.opsi.dipilih .huruf { background: rgba(255,255,255,0.3); color:#fff; }

.quiz-nav { display:flex; justify-content:space-between; margin-top:30px; }

/* ---------- Halaman hasil ---------- */
.hasil-wrap { text-align:center; padding: 50px 20px; }
.lingkaran-skor {
  width: 190px; height:190px; border-radius:50%; margin: 0 auto 26px;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  background: var(--biru-1); box-shadow: var(--shadow-neu);
  animation: pop .6s cubic-bezier(.2,.9,.3,1.3) both;
}
@keyframes pop { from { transform: scale(0.5); opacity:0;} to {transform:scale(1); opacity:1;} }
.lingkaran-skor .angka { font-size: 44px; font-weight:800; color: var(--biru-5); }
.lingkaran-skor .label { font-size:12px; color: var(--teks-abu); margin-top:4px; }

.confetti { position: fixed; top:-10px; z-index: 999; pointer-events:none; }

/* ---------- Dashboard admin/guru ---------- */
.dash-layout { display:flex; min-height:100vh; }
.sidebar {
  width: 250px; padding: 30px 20px; position: sticky; top:0; height:100vh;
  display:flex; flex-direction:column; gap: 6px; margin: 16px; border-radius: var(--radius);
}
.sidebar .brand { display:flex; align-items:center; gap:10px; font-weight:700; color:var(--biru-deep); margin-bottom:30px; padding: 0 6px;}
.sidebar a {
  display:flex; align-items:center; gap:12px; padding: 13px 16px; border-radius:14px;
  text-decoration:none; color: var(--teks-abu); font-weight:600; font-size:14px; transition:.2s;
}
.sidebar a:hover { background: rgba(255,255,255,0.5); color:var(--biru-5); }
.sidebar a.aktif { background: linear-gradient(145deg,#7ec2ff,#4facfe); color:#fff; box-shadow: var(--shadow-neu); }
.main-content { flex:1; padding: 30px 34px; }

.topbar { display:flex; justify-content:space-between; align-items:center; margin-bottom:26px; }
.topbar h1 { font-size:24px; color:var(--biru-deep); }
.topbar .user-chip { display:flex; align-items:center; gap:10px; padding:8px 16px; border-radius:14px;}

.stat-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:20px; margin-bottom:28px; }
.stat-card { padding:22px; display:flex; align-items:center; gap:16px; }
.stat-card .ikon { width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff; background:linear-gradient(145deg,#7ec2ff,#4facfe); box-shadow: var(--shadow-neu);}
.stat-card .angka { font-size:24px; font-weight:800; color:var(--biru-deep); }
.stat-card .ket { font-size:12.5px; color:var(--teks-abu); }

.tabel-admin { width:100%; border-collapse:separate; border-spacing:0 10px; }
.tabel-admin th { text-align:left; font-size:11.5px; text-transform:uppercase; color:var(--teks-abu); padding: 0 16px 8px;}
.tabel-admin td { padding: 14px 16px; background: rgba(255,255,255,0.45); font-size:13.5px; }
.tabel-admin tr td:first-child { border-radius: 12px 0 0 12px; }
.tabel-admin tr td:last-child { border-radius: 0 12px 12px 0; }

.form-card { padding: 30px; max-width: 640px; }
.status-pill { padding:4px 12px; border-radius:999px; font-size:11px; font-weight:700; }
.status-aktif { background: rgba(41,196,111,0.18); color:#1a8f4f; }
.status-nonaktif { background: rgba(255,92,122,0.18); color:#c8324a; }

.aksi-group { display:flex; gap:8px; }

footer.footer-app { text-align:center; padding: 30px; color: var(--teks-abu); font-size:12.5px; }

@media (max-width: 900px) {
  .sidebar { display:none; }
  .navbar { padding: 14px 20px; }
  .hero h1 { font-size: 30px; }
}