/* ============================================================
   SISTEM EAS PRODI — DESIGN SYSTEM
   Gaya: iOS Liquid Glass (kaca jernih, highlight tepi, warna hidup)
   Palet: Cream F6FFEA · Yellow FFDE96 · Coral FA855A · Red C9363B · Sky 62C4DA
   ============================================================ */

:root {
  --cream: #F6FFEA;
  --yellow: #FFDE96;
  --coral: #FA855A;
  --red: #C9363B;
  --sky: #62C4DA;

  --ink: #182629;
  --ink-soft: #435458;
  --ink-mute: #627275;

  /* Liquid Glass: lebih tembus/jernih (opacity rendah), saturasi tinggi agar warna di baliknya tetap hidup */
  --glass: rgba(255, 255, 255, 0.40);
  --glass-strong: rgba(255, 255, 255, 0.66);
  --glass-border: rgba(255, 255, 255, 0.58);
  --glass-blur: blur(22px) saturate(220%);
  --hairline: rgba(28, 43, 46, 0.08);

  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --radius-pill: 999px;

  /* Shadow ganda: highlight tepi atas (kaca menangkap cahaya) + bayangan lembut di bawah */
  --shadow-soft:
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    inset 0 0 0 1px rgba(255, 255, 255, 0.22),
    0 10px 40px rgba(28, 43, 46, 0.10), 0 2px 8px rgba(28, 43, 46, 0.06);
  --shadow-lift:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 0 0 1px rgba(255, 255, 255, 0.3),
    0 20px 55px rgba(28, 43, 46, 0.18), 0 5px 14px rgba(28, 43, 46, 0.09);

  --font-display: Georgia, 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --ease-ios: cubic-bezier(0.25, 0.1, 0.25, 1);

  /* Default identity (dioverride per body.theme-*) */
  --accent: var(--sky);
  --accent-2: var(--yellow);
  --accent-ink: #0E5C6E;
}

/* ===== IDENTITAS PER HALAMAN ===== */
body.theme-landing {
  --accent: var(--sky);
  --accent-2: var(--coral);
  --accent-ink: #0E5C6E;
}
body.theme-mahasiswa {
  --accent: var(--sky);
  --accent-2: var(--yellow);
  --accent-ink: #0E5C6E;
}
/* Dosen: koral x biru langit — kombinasi kontras & ceria, bukan koral+merah yang berat sesama warna hangat.
   Merah tetap dipakai murni untuk aksi "bahaya" (hapus), bukan identitas warna halaman. */
body.theme-dosen {
  --accent: var(--coral);
  --accent-2: var(--sky);
  --accent-ink: #8A3216;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-font-smoothing: antialiased; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
  background-color: var(--cream);
  background-image:
    radial-gradient(circle at 12% 8%, color-mix(in srgb, var(--accent) 70%, transparent) 0%, transparent 46%),
    radial-gradient(circle at 88% 15%, color-mix(in srgb, var(--accent-2) 65%, transparent) 0%, transparent 44%),
    radial-gradient(circle at 20% 92%, color-mix(in srgb, var(--yellow) 68%, transparent) 0%, transparent 42%),
    radial-gradient(circle at 95% 88%, color-mix(in srgb, var(--accent) 55%, transparent) 0%, transparent 40%);
  background-attachment: fixed;
  background-repeat: no-repeat;
  position: relative;
}

a { color: inherit; text-decoration: none; }

/* ===== ANIMASI ===== */
@keyframes floatIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes popIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.card, .auth-card, .mk-item, .soal-box, .exam-header {
  animation: floatIn 0.5s var(--ease-ios) backwards;
}
.card:nth-of-type(2), .mk-item:nth-of-type(2), .soal-box:nth-of-type(2) { animation-delay: 0.05s; }
.card:nth-of-type(3), .mk-item:nth-of-type(3), .soal-box:nth-of-type(3) { animation-delay: 0.1s; }
.card:nth-of-type(4), .mk-item:nth-of-type(4), .soal-box:nth-of-type(4) { animation-delay: 0.15s; }

/* ===== AUTH (LOGIN / LANDING / MULAI) ===== */
.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.auth-card {
  background: var(--glass);
  backdrop-filter: blur(24px) saturate(220%);
  -webkit-backdrop-filter: blur(24px) saturate(220%);
  border: 1px solid var(--glass-border);
  padding: 2.75rem 2.5rem;
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lift);
  animation: popIn 0.55s var(--ease-ios);
}

.auth-card h1 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--ink);
  text-align: center;
  letter-spacing: -0.01em;
}

.auth-card .subtitle {
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin-bottom: 1.6rem;
  margin-top: 0.35rem;
}

.auth-card form { display: flex; flex-direction: column; }

.auth-card label { margin-top: 1.1rem; font-weight: 600; font-size: 0.85rem; color: var(--ink-soft); }

.auth-card input,
.auth-card textarea,
.auth-card select {
  padding: 0.75rem 0.95rem;
  margin-top: 0.4rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.98rem;
  background: rgba(255, 255, 255, 0.65);
  color: var(--ink);
  transition: border-color 0.2s var(--ease-ios), box-shadow 0.2s var(--ease-ios), background 0.2s var(--ease-ios);
}

.auth-card input:focus,
.auth-card textarea:focus,
.auth-card select:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent);
}

/* ===== TOMBOL ===== */
.btn-primary {
  position: relative;
  overflow: hidden;
  margin-top: 1.6rem;
  padding: 0.85rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  font-weight: 700;
  cursor: pointer;
  font-size: 0.98rem;
  font-family: inherit;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    0 8px 22px color-mix(in srgb, var(--accent) 45%, transparent);
  transition: transform 0.18s var(--ease-ios), box-shadow 0.18s var(--ease-ios), filter 0.18s var(--ease-ios);
}
.btn-primary::after {
  content: "";
  position: absolute;
  top: 0; left: -60%;
  width: 40%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.55), transparent);
  transform: skewX(-20deg);
  transition: left 0.55s var(--ease-ios);
}
.btn-primary:hover::after { left: 130%; }
.btn-primary:hover { filter: brightness(1.05); box-shadow: inset 0 1px 0 rgba(255,255,255,0.6), 0 10px 26px color-mix(in srgb, var(--accent) 55%, transparent); }
.btn-primary:active { transform: scale(0.97); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  background: var(--glass);
  backdrop-filter: blur(16px) saturate(220%);
  -webkit-backdrop-filter: blur(16px) saturate(220%);
  color: var(--ink);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-size: 0.88rem;
  font-family: inherit;
  font-weight: 600;
  transition: transform 0.16s var(--ease-ios), background 0.16s var(--ease-ios), box-shadow 0.16s var(--ease-ios);
}
.btn-secondary:hover { background: var(--glass-strong); box-shadow: var(--shadow-soft); }
.btn-secondary:active { transform: scale(0.96); }

.dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.5);
  flex-shrink: 0;
}

.btn-danger { background: color-mix(in srgb, var(--red) 12%, white); color: var(--red); border-color: color-mix(in srgb, var(--red) 30%, transparent); }
.btn-danger:hover { background: color-mix(in srgb, var(--red) 18%, white); }

.hint { margin-top: 1.4rem; font-size: 0.78rem; color: var(--ink-mute); text-align: center; }

/* ===== ALERT ===== */
.alert {
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  font-size: 0.88rem;
  border: 1px solid transparent;
  backdrop-filter: blur(10px);
}
.alert-error { background: color-mix(in srgb, var(--red) 12%, white); color: #7A1620; border-color: color-mix(in srgb, var(--red) 25%, transparent); }
.alert-success { background: color-mix(in srgb, #2F9E6B 14%, white); color: #1D6B48; border-color: color-mix(in srgb, #2F9E6B 28%, transparent); }
.alert-info { background: color-mix(in srgb, var(--sky) 18%, white); color: #0E5C6E; border-color: color-mix(in srgb, var(--sky) 32%, transparent); }

/* ===== LAYOUT DASHBOARD ===== */
.topbar {
  background: var(--glass-strong);
  backdrop-filter: blur(22px) saturate(220%);
  -webkit-backdrop-filter: blur(22px) saturate(220%);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.topbar .brand { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--ink); }
.topbar .user-info { font-size: 0.85rem; color: var(--ink-soft); }
.topbar .logout-link {
  margin-left: 1rem;
  color: var(--accent-ink);
  font-weight: 600;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--accent) 14%, white);
  transition: background 0.16s var(--ease-ios);
}
.topbar .logout-link:hover { background: color-mix(in srgb, var(--accent) 22%, white); }

.container {
  max-width: 940px;
  margin: 2.2rem auto;
  padding: 0 1.5rem;
}

.page-title {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.page-subtitle { color: var(--ink-soft); margin-bottom: 1.6rem; font-size: 0.92rem; }

/* ===== CARD & TABLE ===== */
.card {
  background: var(--glass);
  backdrop-filter: blur(22px) saturate(220%);
  -webkit-backdrop-filter: blur(22px) saturate(220%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  box-shadow: var(--shadow-soft);
  margin-bottom: 1.3rem;
  transition: box-shadow 0.2s var(--ease-ios), transform 0.2s var(--ease-ios);
}

.card h3 { font-family: var(--font-display); color: var(--ink); margin-bottom: 0.4rem; font-size: 1.15rem; }

/* ===== CLEAR GLASS NETRAL (tanpa tint warna aksen halaman) ===== */
.card-plain {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(22px) saturate(110%);
  -webkit-backdrop-filter: blur(22px) saturate(110%);
  border: 1px solid rgba(255, 255, 255, 0.9);
}

.btn-plain {
  position: relative;
  overflow: hidden;
  margin-top: 1.6rem;
  padding: 0.85rem;
  background: var(--ink);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  font-weight: 700;
  cursor: pointer;
  font-size: 0.98rem;
  font-family: inherit;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 8px 20px rgba(24, 38, 41, 0.18);
  transition: transform 0.18s var(--ease-ios), box-shadow 0.18s var(--ease-ios), filter 0.18s var(--ease-ios);
}
.btn-plain:hover { filter: brightness(1.15); }
.btn-plain:active { transform: scale(0.97); }

.mk-list { display: flex; flex-direction: column; gap: 0.9rem; }

.mk-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 1.3rem;
  background: var(--glass);
  backdrop-filter: blur(20px) saturate(220%);
  -webkit-backdrop-filter: blur(20px) saturate(220%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  flex-wrap: wrap;
  gap: 0.7rem;
  transition: transform 0.2s var(--ease-ios), box-shadow 0.2s var(--ease-ios);
}
.mk-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }

.mk-item .mk-nama { font-weight: 700; color: var(--ink); font-family: var(--font-display); }
.mk-item .mk-meta { font-size: 0.82rem; color: var(--ink-mute); }

.badge {
  display: inline-block;
  padding: 0.32rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.badge-belum { background: color-mix(in srgb, var(--yellow) 55%, white); color: #7A5A00; }
.badge-selesai { background: color-mix(in srgb, #2F9E6B 20%, white); color: #1D6B48; }
.badge-terkunci { background: color-mix(in srgb, var(--ink) 12%, white); color: var(--ink-soft); }

table { width: 100%; border-collapse: collapse; margin-top: 0.8rem; }
th, td { padding: 0.7rem 0.8rem; text-align: left; border-bottom: 1px solid var(--hairline); font-size: 0.9rem; }
th { background: color-mix(in srgb, var(--accent) 16%, white); font-weight: 700; color: var(--ink); border-radius: 0; }
th:first-child { border-top-left-radius: var(--radius-sm); }
th:last-child { border-top-right-radius: var(--radius-sm); }
tr:last-child td { border-bottom: none; }

/* ===== FORM SOAL / EDOM (DOSEN) ===== */
.form-box { display: flex; flex-direction: column; gap: 0.8rem; }
.form-box label { font-weight: 600; font-size: 0.86rem; color: var(--ink-soft); }
.form-box input, .form-box textarea, .form-box select {
  padding: 0.7rem 0.9rem; border: 1px solid var(--hairline); border-radius: var(--radius-sm);
  font-family: inherit; background: rgba(255, 255, 255, 0.7); color: var(--ink);
  transition: border-color 0.2s var(--ease-ios), box-shadow 0.2s var(--ease-ios);
}
.form-box input:focus, .form-box textarea:focus, .form-box select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent);
}
.form-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.form-row > div { flex: 1; min-width: 160px; }

/* ===== UJIAN (MAHASISWA) ===== */
.exam-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--glass-strong);
  backdrop-filter: blur(22px) saturate(220%);
  -webkit-backdrop-filter: blur(22px) saturate(220%);
  border: 1px solid var(--glass-border);
  padding: 1.1rem 1.5rem;
  border-radius: var(--radius-lg);
  margin-bottom: 1.3rem;
  box-shadow: var(--shadow-soft);
  position: sticky;
  top: 1rem;
  z-index: 50;
}

#timer {
  font-weight: 800;
  font-size: 1.25rem;
  font-variant-numeric: tabular-nums;
  color: #7A1620;
  background: color-mix(in srgb, var(--red) 16%, white);
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-pill);
}

.soal-box {
  background: var(--glass);
  backdrop-filter: blur(22px) saturate(220%);
  -webkit-backdrop-filter: blur(22px) saturate(220%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  margin-bottom: 1.1rem;
  box-shadow: var(--shadow-soft);
}

.soal-nomor { font-weight: 700; color: var(--accent-ink); margin-bottom: 0.6rem; font-family: var(--font-display); }

.opsi-jawaban { display: flex; flex-direction: column; gap: 0.55rem; margin-top: 0.7rem; }

.opsi-jawaban label {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.75rem 0.95rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.94rem;
  background: rgba(255, 255, 255, 0.4);
  transition: background-color 0.18s var(--ease-ios), border-color 0.18s var(--ease-ios), transform 0.12s var(--ease-ios);
}
.opsi-jawaban label:hover { background: color-mix(in srgb, var(--accent) 10%, white); border-color: color-mix(in srgb, var(--accent) 30%, transparent); }
.opsi-jawaban label:active { transform: scale(0.99); }
.opsi-jawaban input[type="radio"] { accent-color: var(--accent); width: 18px; height: 18px; }

/* ===== SKALA EDOM ===== */
.skala-options { display: flex; gap: 0.9rem; margin-top: 0.6rem; }
.skala-options label {
  display: flex; flex-direction: column; align-items: center; gap: 0.35rem;
  font-size: 0.8rem; color: var(--ink-soft); cursor: pointer;
  width: 42px; height: 42px; justify-content: center;
  border-radius: 50%; background: rgba(255,255,255,0.5); border: 1px solid var(--hairline);
  transition: background 0.16s var(--ease-ios), transform 0.16s var(--ease-ios);
}
.skala-options label:hover { background: color-mix(in srgb, var(--accent) 14%, white); transform: scale(1.06); }
.skala-options input[type="radio"] { accent-color: var(--accent); }

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .topbar { flex-direction: column; gap: 0.6rem; text-align: center; }
  .container { padding: 0 1rem; }
  .auth-card { padding: 2rem 1.6rem; }
  .exam-header { position: static; }
}