/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Design Tokens ── */
:root {
  /* Holo palette — single source of truth */
  --holo-pink:    #FF6EC7;
  --holo-cyan:    #00E5FF;
  --holo-purple:  #B44FFF;
  --holo-silver:  #C8D6E8;
  --holo-gold:    #FFD580;

  /* Gradients */
  --holo-grad:       linear-gradient(135deg, var(--holo-pink), var(--holo-purple), var(--holo-cyan), var(--holo-silver));
  --holo-grad-wide:  linear-gradient(90deg, var(--holo-cyan), var(--holo-purple), var(--holo-pink), var(--holo-gold), var(--holo-cyan));
  --holo-grad-flow:  linear-gradient(90deg, var(--holo-cyan) 0%, var(--holo-purple) 25%, var(--holo-pink) 50%, var(--holo-gold) 75%, var(--holo-cyan) 100%);

  /* Semantic aliases (for backward compat with course.css/course.js) */
  --bg:       #07080F;
  --surface:  rgba(255,255,255,0.048);
  --surface2: rgba(255,255,255,0.085);
  --border:   rgba(255,255,255,0.09);
  --text:     #F0F2FF;
  --muted:    rgba(200,214,232,0.58);
  --accent:   var(--holo-purple);
  --radius:   18px;

  --ease-holo: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Body & Background ── */
body {
  background-color: var(--bg);
  /* Ambient iridescent orbs — three-colour wash */
  background-image:
    radial-gradient(ellipse 900px 700px at  8%  12%, rgba(180, 79,255,0.18) 0%, transparent 62%),
    radial-gradient(ellipse 800px 600px at 92%  88%, rgba(  0,229,255,0.14) 0%, transparent 62%),
    radial-gradient(ellipse 600px 800px at 55%  45%, rgba(255,110,199,0.10) 0%, transparent 62%);
  background-attachment: fixed;
  color: var(--text);
  font-family: -apple-system, "PingFang SC", "Helvetica Neue", sans-serif;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Film-grain noise — simulates holographic foil texture */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='250' height='250'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='250' height='250' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.036;
  pointer-events: none;
  z-index: 9998;
}

/* ── Keyframes ── */

/* Gradient position sweep — used for text, borders */
@keyframes holo-shift {
  0%,100% { background-position: 0% 50%; }
  50%     { background-position: 100% 50%; }
}

/* Continuous gradient scroll — input focused border */
@keyframes holo-flow {
  0%   { background-position: 0% center; }
  100% { background-position: 300% center; }
}

/* Button shimmer sweep */
@keyframes shimmer-sweep {
  0%   { background-position: -150% 0; }
  100% { background-position: 250% 0; }
}

@keyframes fadeIn    { from { opacity:0; transform:scale(0.94); } to { opacity:1; transform:scale(1); } }
@keyframes cardIn    { from { opacity:0; transform:translateY(22px) scale(0.95); } to { opacity:1; transform:translateY(0) scale(1); } }

/* ── Header ── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7,8,15,0.65);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04);
}

/* Iridescent hairline under the header border */
.header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0; right: 0;
  height: 1px;
  background: var(--holo-grad-wide);
  background-size: 200% 100%;
  animation: holo-shift 6s ease infinite;
  opacity: 0.40;
  pointer-events: none;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { font-size: 22px; }
.app-version {
  align-self: flex-end;
  margin-left: -4px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  opacity: 0.55;
  letter-spacing: 0;
}

/* Gradient logo text */
.logo-text {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: var(--holo-grad);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: holo-shift 8s ease infinite;
}

.header-stats { display: flex; gap: 10px; }
.stat-pill {
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  background: rgba(255,255,255,0.05);
  color: var(--muted);
  border: 1px solid var(--border);
}
.stat-pill.accent {
  color: var(--holo-cyan);
  border-color: rgba(0,229,255,0.28);
  background: rgba(0,229,255,0.07);
}

/* ── Main ── */
.main { max-width: 1200px; margin: 0 auto; padding: 40px 32px 80px; }

.section-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.section-title { font-size: 22px; font-weight: 700; }

/* ── Add Button — holo gradient fill ── */
.btn-add {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 999px;
  border: none;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  color: #fff;
  position: relative;
  overflow: hidden;
  background: var(--holo-grad-wide);
  background-size: 200% 100%;
  background-position: 0% center;
  text-shadow: 0 1px 8px rgba(0,0,0,0.22);
  transition:
    background-position 200ms var(--ease-holo),
    filter              200ms var(--ease-holo),
    box-shadow          200ms var(--ease-holo),
    transform           150ms var(--ease-holo);
  box-shadow: 0 2px 18px rgba(180,79,255,0.28), inset 0 1px 0 rgba(255,255,255,0.18);
}

/* Shimmer sweep on .btn-add */
.btn-add::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.30) 50%, transparent 60%);
  background-size: 200% 100%;
  background-position: -100% 0;
  pointer-events: none;
  border-radius: inherit;
  z-index: 1;
}
.btn-add:hover {
  background-position: 100% center;
  filter: brightness(1.10);
  box-shadow: 0 4px 26px rgba(180,79,255,0.38), 0 0 0 1px rgba(255,255,255,0.18), inset 0 1px 0 rgba(255,255,255,0.22);
  transform: translateY(-1px);
}
.btn-add:hover::before { animation: shimmer-sweep 550ms var(--ease-holo) forwards; }
.btn-add:active         { transform: scale(0.97); filter: brightness(0.93); }
.btn-add-icon           { font-size: 20px; line-height: 1; margin-top: -1px; position: relative; z-index: 2; }

/* ── Empty State ── */
.empty-state { display: none; flex-direction: column; align-items: center; padding: 100px 0; color: var(--muted); }
.empty-state.visible { display: flex; }
.empty-icon  { font-size: 56px; margin-bottom: 20px; opacity: 0.6; }
.empty-title { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--text); }
.empty-sub   { font-size: 14px; }

/* ── Course Grid ── */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(272px, 1fr));
  gap: 20px;
}

/* ── Course Card ── */
.course-card {
  background: rgba(255,255,255,0.048);
  border: 1px solid rgba(255,255,255,0.085);
  border-radius: var(--radius);
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow:
    0 4px 20px rgba(0,0,0,0.32),
    inset 0 1px 0 rgba(255,255,255,0.08),
    /* Subtle default iridescent outline */
    0 0 0 1px rgba(255,255,255,0.06);
  animation: cardIn 0.32s ease both;
  transition:
    transform        0.22s var(--ease-holo),
    box-shadow       0.22s var(--ease-holo),
    background       0.22s var(--ease-holo),
    border-color     0.22s var(--ease-holo);
}

/* Diagonal specular-highlight sweep — light slash effect */
.course-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -65%;
  width: 50%;
  height: 100%;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.055) 50%, transparent 60%);
  transition: left 420ms var(--ease-holo);
  pointer-events: none;
  z-index: 2;
}

.course-card:hover {
  background: rgba(255,255,255,0.075);
  border-color: color-mix(in srgb, var(--card-color, var(--holo-purple)) 55%, rgba(255,255,255,0.10));
  transform: translateY(-7px);
  box-shadow:
    0 20px 52px rgba(0,0,0,0.52),
    /* Multi-hue iridescent border glow */
    0 0 0 1px   color-mix(in srgb, var(--card-color, var(--holo-purple)) 65%, var(--holo-pink)),
    0 0 20px     color-mix(in srgb, var(--card-color, var(--holo-purple)) 35%, transparent),
    0 0 44px     rgba(0,229,255,0.10),
    inset 0 1px 0 rgba(255,255,255,0.13);
}

/* Light sweep activates on hover */
.course-card:hover::before { left: 120%; }
.course-card:active { transform: scale(0.98) translateY(-2px); }

/* ── Card Band — now a gradient glow line ── */
.card-band {
  height: 3px;
  /* Blend card colour into adjacent holo hues */
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--card-color, var(--holo-purple)) 60%, var(--holo-pink)) 0%,
    var(--card-color, var(--holo-purple)) 50%,
    color-mix(in srgb, var(--card-color, var(--holo-purple)) 60%, var(--holo-cyan)) 100%
  );
  background-size: 200% 100%;
  animation: holo-shift 6s ease infinite;
  box-shadow: 0 0 16px var(--card-color, var(--holo-purple)), 0 0 30px rgba(0,229,255,0.12);
  flex-shrink: 0;
  position: relative;
  z-index: 3;
}

.card-body { padding: 20px 20px 16px; flex: 1; display: flex; flex-direction: column; gap: 10px; position: relative; z-index: 1; }
.card-top  { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }

.card-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  background: color-mix(in srgb, var(--card-color, var(--holo-purple)) 16%, rgba(255,255,255,0.04));
  border: 1px solid color-mix(in srgb, var(--card-color, var(--holo-purple)) 32%, rgba(255,255,255,0.07));
  flex-shrink: 0;
}

.card-menu-btn {
  background: none; border: none;
  color: var(--muted); cursor: pointer;
  font-size: 18px; padding: 2px 6px;
  border-radius: 6px; line-height: 1;
  transition: background 0.15s, color 0.15s;
  opacity: 0; pointer-events: none;
}
.course-card:hover .card-menu-btn { opacity: 1; pointer-events: auto; }
.card-menu-btn:hover { background: rgba(255,255,255,0.09); color: var(--text); }

.card-name    { font-size: 16px; font-weight: 700; line-height: 1.3; word-break: break-all; }

.card-subject {
  display: inline-block;
  font-size: 12px; padding: 2px 10px; border-radius: 999px;
  background: color-mix(in srgb, var(--card-color, var(--holo-purple)) 14%, rgba(255,255,255,0.03));
  border: 1px solid color-mix(in srgb, var(--card-color, var(--holo-purple)) 28%, rgba(255,255,255,0.06));
  color: var(--card-color, var(--holo-purple));
  font-weight: 500; align-self: flex-start;
}

.card-meta { display: flex; gap: 14px; font-size: 12px; color: var(--muted); }
.card-meta span { display: flex; align-items: center; gap: 4px; }

.card-progress-wrap { margin-top: 4px; }
.card-progress-row  { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.card-progress-pct  { font-weight: 700; color: var(--card-color, var(--holo-purple)); }

/* ── Progress Bar — gradient fill ── */
.progress-bar {
  height: 5px; border-radius: 999px;
  background: rgba(255,255,255,0.06); overflow: hidden;
}
.progress-fill {
  height: 100%; border-radius: 999px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--card-color, var(--holo-purple)) 70%, var(--holo-pink)),
    var(--card-color, var(--holo-purple)),
    color-mix(in srgb, var(--card-color, var(--holo-purple)) 70%, var(--holo-cyan))
  );
  background-size: 200% 100%;
  animation: holo-shift 5s ease infinite;
  box-shadow: 0 0 8px var(--card-color, var(--holo-purple)), 0 0 14px rgba(0,229,255,0.15);
  transition: width 0.6s cubic-bezier(0.4,0,0.2,1);
}

/* ── Days badge ── */
.days-badge { margin-top: 4px; font-size: 11px; padding: 3px 10px; border-radius: 999px; align-self: flex-end; font-weight: 500; }
.days-badge.urgent { background: rgba(249,123,107,0.12); color: #F97B6B; border: 1px solid rgba(249,123,107,0.22); }
.days-badge.soon   { background: rgba(240,180,41, 0.12); color: #F0B429; border: 1px solid rgba(240,180,41, 0.22); }
.days-badge.normal { background: rgba(89, 193,133,0.12); color: #59C185; border: 1px solid rgba(89,193,133,0.22); }
.days-badge.no-date{ background: rgba(255,255,255,0.05); color: var(--muted); border: 1px solid var(--border); }

/* ── Context Menu ── */
.ctx-menu {
  position: fixed;
  background: rgba(8,10,24,0.90);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  box-shadow: 0 14px 44px rgba(0,0,0,0.58), inset 0 1px 0 rgba(255,255,255,0.10);
  z-index: 500; overflow: hidden; min-width: 145px;
  animation: fadeIn 0.12s ease;
}
.ctx-menu button {
  display: block; width: 100%; text-align: left;
  background: none; border: none;
  padding: 10px 16px; font-size: 14px;
  color: var(--text); cursor: pointer;
  transition: background 0.12s;
}
.ctx-menu button:hover { background: rgba(180,79,255,0.10); }
.ctx-menu button.danger { color: #F97B6B; }
.ctx-menu button.danger:hover { background: rgba(249,123,107,0.10); }

/* ── Modal overlay ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.58);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.22s;
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }

/* ── Modal — deep holo glass ── */
.modal {
  background: rgba(8,10,26,0.84);
  backdrop-filter: blur(38px);
  -webkit-backdrop-filter: blur(38px);
  /* Rainbow gradient border via background-clip trick */
  border: 1.5px solid transparent;
  background-image:
    linear-gradient(rgba(8,10,26,0.84), rgba(8,10,26,0.84)),
    linear-gradient(135deg, rgba(180,79,255,0.60), rgba(0,229,255,0.30), rgba(255,110,199,0.40), rgba(200,214,232,0.25));
  background-origin: border-box;
  background-clip: padding-box, border-box;
  border-radius: 22px;
  width: 100%; max-width: 460px; margin: 20px;
  box-shadow:
    0 32px 80px rgba(0,0,0,0.62),
    inset 0 1px 0 rgba(255,255,255,0.11),
    0 0 0 1px rgba(180,79,255,0.08);
  transform: translateY(18px) scale(0.97);
  transition: transform 0.25s cubic-bezier(0.34,1.4,0.64,1);
}
.modal-overlay.open .modal { transform: translateY(0) scale(1); }

.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 24px 24px 0; }
.modal-title  { font-size: 18px; font-weight: 700; }
.modal-close  {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  color: var(--muted); width: 30px; height: 30px;
  border-radius: 50%; font-size: 14px; cursor: pointer;
  transition: all 0.15s;
}
.modal-close:hover { background: rgba(255,255,255,0.12); color: var(--text); }

.modal-form    { padding: 20px 24px 24px; display: flex; flex-direction: column; gap: 14px; }
.form-label    { font-size: 13px; font-weight: 600; color: var(--muted); }
.required      { color: #F97B6B; }

/* ── Form Input — holo glow on focus ── */
.form-input {
  background: rgba(255,255,255,0.04);
  border: 1.5px solid rgba(255,255,255,0.08);
  border-radius: 10px; color: var(--text);
  font-size: 14px; padding: 10px 14px;
  outline: none; width: 100%;
  transition: border-color 200ms var(--ease-holo), box-shadow 200ms var(--ease-holo), background 200ms var(--ease-holo);
}
.form-input:focus {
  border-color: rgba(180,79,255,0.60);
  background: rgba(255,255,255,0.065);
  box-shadow:
    0 0 0 3px rgba(180,79,255,0.12),
    0 0 16px rgba(180,79,255,0.18),
    0 0 30px rgba(0,229,255,0.08);
}
.form-input::placeholder { color: var(--muted); }

/* ── Color Picker ── */
.color-picker { display: flex; gap: 10px; flex-wrap: wrap; }
.color-swatch {
  width: 28px; height: 28px; border-radius: 50%;
  border: 2px solid transparent; cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
}
.color-swatch:hover    { transform: scale(1.18); box-shadow: 0 0 12px rgba(255,255,255,0.30); }
.color-swatch.selected { border-color: #fff; transform: scale(1.22); box-shadow: 0 0 16px rgba(255,255,255,0.40); }

.form-actions { display: flex; gap: 12px; margin-top: 4px; }

/* ── Cancel Button ── */
.btn-cancel {
  flex: 1; padding: 11px; border-radius: 10px;
  /* Gradient outline via background-clip */
  border: 1.5px solid transparent;
  background-image:
    linear-gradient(rgba(8,10,26,0.50), rgba(8,10,26,0.50)),
    linear-gradient(135deg, var(--holo-purple), var(--holo-cyan));
  background-origin: border-box;
  background-clip: padding-box, border-box;
  color: var(--holo-silver); font-size: 14px; font-weight: 600;
  cursor: pointer;
  transition: color 200ms var(--ease-holo), filter 200ms var(--ease-holo), transform 150ms var(--ease-holo);
}
.btn-cancel:hover  { color: var(--text); filter: brightness(1.10); }
.btn-cancel:active { transform: scale(0.97); }

/* ── Submit Button — holo gradient fill ── */
.btn-submit {
  flex: 2; padding: 11px; border-radius: 10px;
  border: none;
  color: #fff; font-size: 14px; font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  position: relative; overflow: hidden;
  background: var(--holo-grad-wide);
  background-size: 200% 100%;
  background-position: 0% center;
  text-shadow: 0 1px 8px rgba(0,0,0,0.20);
  transition:
    background-position 200ms var(--ease-holo),
    filter              200ms var(--ease-holo),
    box-shadow          200ms var(--ease-holo),
    transform           150ms var(--ease-holo);
  box-shadow: 0 2px 16px rgba(180,79,255,0.28), inset 0 1px 0 rgba(255,255,255,0.18);
}
.btn-submit::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.28) 50%, transparent 60%);
  background-size: 200% 100%;
  background-position: -100% 0;
  pointer-events: none; border-radius: inherit; z-index: 1;
}
.btn-submit:hover {
  background-position: 100% center;
  filter: brightness(1.10);
  box-shadow: 0 4px 24px rgba(180,79,255,0.38), 0 0 0 1px rgba(255,255,255,0.18), inset 0 1px 0 rgba(255,255,255,0.22);
}
.btn-submit:hover::before { animation: shimmer-sweep 550ms var(--ease-holo) forwards; }
.btn-submit:active { transform: scale(0.97); filter: brightness(0.93); }

/* ── Toast ── */
.toast {
  position: fixed; bottom: 32px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(8,10,26,0.90);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid rgba(180,79,255,0.28);
  color: var(--text); padding: 12px 24px;
  border-radius: 999px; font-size: 14px; font-weight: 500;
  box-shadow:
    0 8px 32px rgba(0,0,0,0.52),
    0 0 20px rgba(180,79,255,0.14),
    inset 0 1px 0 rgba(255,255,255,0.10);
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 999; white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Responsive ── */
@media (max-width: 600px) {
  .header-inner { padding: 14px 20px; }
  .main { padding: 28px 20px 60px; }
  .course-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .header-stats { display: none; }
}
@media (max-width: 400px) { .course-grid { grid-template-columns: 1fr; } }

/* ── Language Switcher ── */
.lang-switcher { display:flex; gap:4px; align-items:center; }
.lang-sw-btn { background:none; border:1px solid rgba(255,255,255,0.12); border-radius:6px; color:var(--muted); font-size:11px; font-weight:600; padding:3px 7px; cursor:pointer; transition:all 0.15s; }
.lang-sw-btn:hover { color:var(--text); border-color:rgba(255,255,255,0.3); }
.lang-sw-btn.active { color:var(--holo-cyan); border-color:var(--holo-cyan); background:rgba(0,229,255,0.08); }

/* ── Exam Section ──────────────────────────────────────────────────────────── */
.exam-section { margin-top: 40px; }

.exam-empty {
  text-align: center;
  padding: 40px 20px;
  opacity: .6;
}

.exam-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.exam-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--card);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 12px;
  padding: 14px 16px;
  transition: background .15s;
}
.exam-item:hover { background: rgba(255,255,255,.05); }

.exam-item-info {
  flex: 1;
  min-width: 0;
}
.exam-item-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}
.exam-item-meta {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.exam-type-badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 600;
  background: rgba(91,141,239,.15);
  color: var(--accent);
  border: 1px solid rgba(91,141,239,.3);
}
.exam-type-badge.final { background: rgba(249,123,107,.15); color: #F97B6B; border-color: rgba(249,123,107,.3); }
.exam-type-badge.midterm { background: rgba(240,180,41,.15); color: #F0B429; border-color: rgba(240,180,41,.3); }
.exam-type-badge.quiz { background: rgba(89,193,133,.15); color: #59C185; border-color: rgba(89,193,133,.3); }
.exam-type-badge.credit { background: rgba(167,139,250,.15); color: #A78BFA; border-color: rgba(167,139,250,.3); }
.exam-type-badge.opening { background: rgba(56,189,248,.15); color: #38BDF8; border-color: rgba(56,189,248,.3); }

.exam-item-days {
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.exam-item-days.urgent { color: #F97B6B; }
.exam-item-days.soon { color: #F0B429; }

.exam-del-btn {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all .15s;
}
.exam-del-btn:hover {
  background: rgba(249,123,107,.15);
  color: #F97B6B;
}

/* ── Exam Type Button Group (modal) ────────────────────────────────────────── */
.exam-type-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.exam-type-btn {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--muted);
  cursor: pointer;
  transition: all .15s;
}
.exam-type-btn:hover {
  background: rgba(255,255,255,.1);
  color: #fff;
}
.exam-type-btn.selected {
  background: rgba(91,141,239,.2);
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Upcoming Exam Reminders (index.html) ─────────────────────────────── */
.upcoming-exams-section { margin-top: 2rem; }

.upcoming-exams-empty {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
}

.upcoming-exam-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.85rem 1.1rem;
  background: var(--card);
  border-radius: 10px;
  border-left: 3px solid var(--item-color, var(--accent));
  margin-bottom: 0.6rem;
  cursor: pointer;
  transition: background 0.15s;
}
.upcoming-exam-item:hover { background: rgba(255,255,255,0.06); }

.upcoming-exam-course {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--item-color, var(--accent));
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.upcoming-exam-info {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-size: 0.9rem;
}

.upcoming-exam-name { font-weight: 600; color: var(--text); }
.upcoming-exam-date { color: var(--muted); font-size: 0.85rem; }