/* ==========================================================================
   NHSM Hub — design system
   Dark-mode-first, token-driven. Light is the base; dark applies via
   [data-theme="dark"] (set by the inline theme script) or, as a no-JS
   fallback, prefers-color-scheme.
   ========================================================================== */

/* ==========================================================================
   "STATUS CODE 1" — retro pixel-art arcade theme. Single cosmic palette (the
   light/dark toggle is intentionally unified to one look). Token-driven so the
   whole site re-skins from here.
   ========================================================================== */
:root {
  /* Cosmic surfaces & text */
  --bg: #0b0926;
  --bg-2: #161245;
  --surface: #17123d;
  --surface-2: #1f1856;
  --surface-3: #2b2280;
  --text: #f3eaff;
  --text-muted: #b3a6e6;
  --border: #3a2f7a;
  --border-strong: #6a52d6;

  /* Neon accents */
  --pink: #ff3df0;
  --cyan: #36e0ff;
  --gold: #ffd23f;
  --green: #5cff9d;

  --brand: var(--pink);
  --brand-strong: #ff74f4;
  --brand-contrast: #11052e;
  --brand-soft: rgba(255, 61, 240, 0.16);
  --accent: var(--cyan);
  --success: var(--green);
  --success-soft: rgba(92, 255, 157, 0.16);
  --warning: var(--gold);
  --danger: #ff4d6d;

  /* Type — pixel display + retro-readable body */
  --font-display: "Press Start 2P", "VT323", monospace;
  --font-body: "VT323", "Press Start 2P", monospace;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  /* Radii — sharp pixel corners */
  --r-sm: 0px;
  --r-md: 0px;
  --r-lg: 0px;
  --r-pill: 0px;

  /* Hard "pixel" drop shadows + neon glows */
  --shadow-sm: 3px 3px 0 rgba(0, 0, 0, 0.55);
  --shadow-md: 5px 5px 0 rgba(0, 0, 0, 0.55);
  --shadow-lg: 0 0 28px rgba(255, 61, 240, 0.35);
  --glow-pink: 0 0 10px rgba(255, 61, 240, 0.9);
  --glow-cyan: 0 0 10px rgba(54, 224, 255, 0.9);
  --glow-gold: 0 0 10px rgba(255, 210, 63, 0.9);
  --ring: 0 0 0 3px var(--brand-soft);

  --container: 1120px;
  --nav-h: 64px;
}

/* ============================== NIGHT MODE ==============================
   Opt-in black theme (navbar toggle sets [data-theme="dark"]). Only the
   background/surface family changes to neutral near-black — neon accents,
   buttons, and text are inherited unchanged. */
:root[data-theme="dark"] {
  --bg: #04040a;
  --bg-2: #0a0a12;
  --surface: #0e0e15;
  --surface-2: #16161f;
  --surface-3: #20202b;
  --border: #26262f;
  --border-strong: #3b3b47;
}
:root[data-theme="dark"] body {
  /* Keep the starfield (great on black); swap the purple gradient for black. */
  background-image:
    radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.9), transparent 55%),
    radial-gradient(2px 2px at 130px 90px, rgba(180, 220, 255, 0.85), transparent 55%),
    radial-gradient(1px 1px at 70px 160px, rgba(255, 255, 255, 0.7), transparent 55%),
    radial-gradient(1px 1px at 190px 50px, rgba(255, 240, 180, 0.7), transparent 55%),
    linear-gradient(180deg, #04040a 0%, #0a0a12 55%, #04040a 100%);
}

/* --------------------------------------------------------------------- base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* The hidden attribute must win over component display rules (flex/grid). */
[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--bg);
  /* Pixel starfield over a cosmic vertical gradient. */
  background-image:
    radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.9), transparent 55%),
    radial-gradient(2px 2px at 130px 90px, rgba(180, 220, 255, 0.85), transparent 55%),
    radial-gradient(1px 1px at 70px 160px, rgba(255, 255, 255, 0.7), transparent 55%),
    radial-gradient(1px 1px at 190px 50px, rgba(255, 240, 180, 0.7), transparent 55%),
    linear-gradient(180deg, #0b0926 0%, #161245 55%, #0b0926 100%);
  background-repeat: repeat, repeat, repeat, repeat, no-repeat;
  background-size: 200px 200px, 250px 250px, 160px 160px, 230px 230px, 100% 100%;
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 20px;
  line-height: 1.45;
  image-rendering: pixelated;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.5;
  letter-spacing: 0;
  text-transform: uppercase;
  margin: 0 0 var(--space-4);
  font-weight: 400;
}

h1 { font-size: clamp(1.3rem, 3.6vw, 2.3rem); }
h2 { font-size: clamp(1rem, 2.4vw, 1.5rem); }
h3 { font-size: 0.92rem; line-height: 1.6; }

p { margin: 0 0 var(--space-4); }

a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--brand-strong); }

img { max-width: 100%; display: block; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
}

.muted { color: var(--text-muted); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ------------------------------------------------------------------ buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 0.6rem;
  text-transform: uppercase;
  line-height: 1;
  padding: 0.85rem 1.2rem;
  border: 3px solid var(--brand-contrast);
  cursor: pointer;
  transition: transform 0.1s steps(2), box-shadow 0.15s ease, background 0.15s ease,
    color 0.15s ease;
  white-space: nowrap;
}
/* Sink the button into its own pixel drop-shadow — a tactile key-press. */
.btn:active { transform: translate(3px, 3px); box-shadow: none; }

.btn-primary {
  background: var(--pink);
  color: var(--brand-contrast);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--brand-strong);
  color: var(--brand-contrast);
  box-shadow: var(--shadow-sm), var(--glow-pink);
}

.btn-ghost {
  background: transparent;
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: var(--shadow-sm);
}
.btn-ghost:hover {
  background: rgba(54, 224, 255, 0.12);
  color: var(--cyan);
  box-shadow: var(--shadow-sm), var(--glow-cyan);
}

.btn-sm { padding: 0.6rem 0.9rem; font-size: 0.5rem; border-width: 2px; }

/* ---------------------------------------------------------------------- nav */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-nav .container {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-right: auto;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--text); }
.brand-mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-links a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--r-sm);
}
.nav-links a:hover { color: var(--text); background: var(--surface-2); }
.nav-links a.active { color: var(--brand); }

/* "More" dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-toggle {
  font-family: inherit;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.85rem;
  background: transparent;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
}
.nav-dropdown-toggle:hover { color: var(--text); background: var(--surface-2); }
.nav-dropdown-toggle .caret { transition: transform 0.15s ease; }
.nav-dropdown.open .nav-dropdown-toggle { color: var(--text); }
.nav-dropdown.open .nav-dropdown-toggle .caret { transform: rotate(180deg); }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 180px;
  flex-direction: column;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: var(--space-2);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-md);
  z-index: 60;
}
.nav-dropdown.open .nav-dropdown-menu { display: flex; }
.nav-dropdown-menu a { display: block; }

/* Desktop pointer users also get hover-to-open, so the menu works without JS. */
@media (hover: hover) and (pointer: fine) {
  .nav-dropdown:hover .nav-dropdown-menu { display: flex; }
  .nav-dropdown:hover .nav-dropdown-toggle .caret { transform: rotate(180deg); }
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-pill);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.theme-toggle:hover { background: var(--surface-2); border-color: var(--brand); color: var(--brand); }
.theme-icon { display: none; }
.theme-icon--moon { display: block; }
[data-theme="dark"] .theme-icon--moon { display: none; }
[data-theme="dark"] .theme-icon--sun { display: block; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  color: var(--text);
  padding: 0.4rem 0.55rem;
  cursor: pointer;
}

/* --------------------------------------------------------------------- hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-9) 0 var(--space-8);
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 520px;
  background:
    radial-gradient(40% 50% at 20% 20%, var(--brand-soft), transparent 70%),
    radial-gradient(35% 45% at 80% 10%, rgba(240, 151, 42, 0.10), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { max-width: 14ch; }
.hero .lede {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 52ch;
  margin-bottom: var(--space-6);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }

.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}
.stat .num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
}
.stat .label { color: var(--text-muted); font-size: 0.9rem; }
.stat .num .plus { color: var(--brand); margin-left: 0.05em; }

/* Quote of the day — a slim band under the hero. */
/* Closing "quote of the day" — an airy block on the page background. */
.quote-band {
  padding: var(--space-7) 0 var(--space-9);
  text-align: center;
}
.quote-band .container { max-width: 54ch; }
.quote-rule {
  display: block;
  width: 40px;
  height: 4px;
  margin: 0 auto var(--space-4);
  background: var(--brand);
  box-shadow: var(--glow-pink);
}
.quote-eyebrow {
  font-family: var(--font-display);
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: var(--space-3);
}
.quote-text {
  font-size: clamp(1.2rem, 2.3vw, 1.55rem);
  line-height: 1.55;
  margin: 0 auto var(--space-3);
  color: var(--text);
  text-wrap: balance;
}
.quote-author {
  font-family: var(--font-display);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

/* Sparkles particle layer (tsParticles), masked so it fades behind the text. */
.hero-sparkles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(145% 130% at 72% 16%, #000 46%, transparent 85%);
  mask-image: radial-gradient(145% 130% at 72% 16%, #000 46%, transparent 85%);
}
.hero-sparkles canvas { display: block; }

/* Glowing accent line beneath the headline (brand violet). */
.hero-glow {
  position: relative;
  width: min(440px, 72%);
  height: 12px;
  margin: 0 0 var(--space-5);
}
.glow-line {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  background: linear-gradient(90deg, transparent, var(--brand), transparent);
}
.glow-line--blur { height: 6px; filter: blur(6px); opacity: 0.75; }
.glow-line--sharp { height: 1px; }

/* ------------------------------------------------------------------ section */
.section { padding: var(--space-8) 0; }
.section-head { max-width: 60ch; margin-bottom: var(--space-6); }

/* -------------------------------------------------------------- feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}
.feature-card .icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand);
  margin-bottom: var(--space-3);
  font-size: 1.3rem;
}
.feature-card h3 { margin-bottom: var(--space-2); }
.feature-card p { color: var(--text-muted); margin: 0; font-size: 0.95rem; }
.feature-card .soon {
  display: inline-block;
  margin-top: var(--space-3);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.feature-card .card-link {
  display: inline-block;
  margin-top: var(--space-3);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
}

/* -------------------------------------------------------------- filter / lib */
.lib-layout { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }

.filter-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: calc(var(--nav-h) + var(--space-4));
}
.filter-group { margin-bottom: var(--space-5); }
.filter-group:last-child { margin-bottom: 0; }
.filter-group > label:not(.checkbox-row) {
  display: block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.field {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
  padding: 0.6rem 0.75rem;
}
.field:focus { outline: none; border-color: var(--brand); box-shadow: var(--ring); }

.chip-row { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.chip {
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}
.chip:hover { color: var(--text); border-color: var(--brand); }
.chip[aria-pressed="true"] {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--brand-contrast);
}

.results-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.results-count { color: var(--text-muted); font-size: 0.9rem; }

.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

.resource-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.resource-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}
.resource-card .meta {
  display: flex; align-items: center; gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.resource-card h3 { font-size: 1.05rem; margin-bottom: var(--space-2); }
.resource-card .subj { color: var(--text-muted); font-size: 0.88rem; margin-bottom: var(--space-4); }
.resource-card .open { margin-top: auto; }

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: var(--r-pill);
  background: var(--brand-soft);
  color: var(--brand);
}
.badge.sem {
  background: var(--surface-3);
  color: var(--text-muted);
}
.badge.spec {
  background: var(--surface-3);
  color: var(--accent);
}
.badge-solution {
  background: var(--success-soft);
  color: var(--success);
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  color: var(--text);
  text-transform: none;
  letter-spacing: normal;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 400;
}
.checkbox-row input { accent-color: var(--brand); width: 16px; height: 16px; }

.empty-state {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--text-muted);
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-lg);
}

/* ---------------------------------------------------- search loading state */
/* Dim the grid while a fresh search resolves so the swap reads as intentional. */
[data-results][aria-busy="true"] { opacity: 0.55; }

.skeleton-card {
  height: 168px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background:
    linear-gradient(100deg, transparent 20%, var(--surface-3) 50%, transparent 80%),
    var(--surface);
  background-size: 200% 100%;
  background-repeat: no-repeat;
  animation: skeleton-shimmer 1.2s ease-in-out infinite;
}

@keyframes skeleton-shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

.load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: var(--space-6);
}
.load-more-wrap [hidden] { display: none; }

@media (prefers-reduced-motion: reduce) {
  .skeleton-card { animation: none; }
}

/* --------------------------------------------------- skip-to-content link */
/* Off-screen until keyboard focus pulls it into view for screen-reader users. */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -60px;
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--brand);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.7rem;
  border-radius: var(--r-sm);
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: var(--space-3);
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

/* --------------------------------------------------------------- error pages */
.error-page {
  text-align: center;
  padding: var(--space-9) var(--space-4);
  max-width: 60ch;
  margin-inline: auto;
}
.error-code {
  font-family: var(--font-display);
  font-size: clamp(3rem, 14vw, 7rem);
  line-height: 1;
  color: var(--brand);
  text-shadow: var(--glow-pink);
  margin-bottom: var(--space-5);
}
.error-page h1 {
  font-size: clamp(1.2rem, 5vw, 1.8rem);
  margin-bottom: var(--space-4);
}
.error-page p { color: var(--text-muted); margin-bottom: var(--space-6); }
.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

/* -------------------------------------------------------- info note / callout */
.info-note {
  display: flex;
  gap: var(--space-2);
  align-items: baseline;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: var(--space-3) var(--space-4);
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: var(--space-4);
}
.info-note a { font-weight: 600; }

/* Red warning callout (rate-my-professor rules). */
.warn-note {
  display: flex;
  gap: var(--space-2);
  align-items: baseline;
  background: rgba(255, 77, 109, 0.12);
  border: 1px solid var(--danger);
  border-left: 4px solid var(--danger);
  padding: var(--space-3) var(--space-4);
  color: var(--text);
  font-size: 1rem;
  margin-bottom: var(--space-5);
}
.warn-note strong { color: var(--danger); }

/* Fine-print variant: compact disclaimer, quieter than the red rules callout. */
.warn-note--fine {
  align-items: flex-start;
  background: var(--surface-2);
  border-color: var(--border);
  border-left-color: var(--border);
  padding: var(--space-2) var(--space-3);
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
}
.warn-note--fine strong { color: var(--text); }

/* ----------------------------------------------------------------- about page */
.about-hero { display: grid; grid-template-columns: 1fr; gap: var(--space-6); align-items: center; }
.about-hero .section-head { margin-bottom: 0; }
@media (min-width: 860px) {
  .about-hero { grid-template-columns: 1.1fr 0.9fr; }
}
.about-slideshow {
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
  overflow: hidden;
  background: var(--surface);
  border: 2px solid var(--border-strong);
  box-shadow: var(--shadow-md);
}
.about-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.about-slide.is-active { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .about-slide { transition: none; }
}

.about-facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.about-facts .fact {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.3rem 0.7rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.95rem;
}
.about-facts .fact img { height: 26px; width: auto; }

/* Pixel-art icons/avatars on the feature cards (fields, faculty, students). */
.card-icon { height: 88px; width: auto; margin-bottom: var(--space-3); }
.avatar { height: 132px; width: auto; margin-bottom: var(--space-3); }
.cta-illus { height: 128px; width: auto; margin: 0 auto var(--space-4); }

.video-embed {
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
  max-width: 720px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: var(--space-5);
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
}
.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ------------------------------------------------------- rate my professor */
.stars { color: var(--gold); letter-spacing: 2px; }
.prof-photo--blank { display: grid; place-items: center; background: var(--surface-2); font-size: 2.4rem; }

/* List: search + horizontal rows (bigger photo left, text right). */
.prof-search { max-width: 420px; margin-bottom: var(--space-5); }
.prof-list { display: grid; grid-template-columns: 1fr; gap: var(--space-4); }
@media (min-width: 760px) { .prof-list { grid-template-columns: 1fr 1fr; } }
.prof-row {
  display: flex; gap: var(--space-4); align-items: center;
  text-align: left; color: var(--text);
  background: var(--surface); border: 1px solid var(--border);
  padding: var(--space-4);
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.prof-row:hover { color: var(--text); transform: translateY(-2px); border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.prof-row-photo { width: 120px; height: 120px; object-fit: cover; border: 2px solid var(--border-strong); flex-shrink: 0; }
.prof-row-body { min-width: 0; }
.prof-row-body h3 { margin: 0 0 var(--space-1); }
.prof-rating { margin: var(--space-2) 0 0; display: flex; flex-direction: column; gap: 2px; }

/* Detail header: big photo on the left, text on the right. */
.prof-header { display: flex; gap: var(--space-5); align-items: center; margin-bottom: var(--space-6); flex-wrap: wrap; }
.prof-photo-lg {
  width: 180px; height: 180px; object-fit: cover;
  border: 2px solid var(--border-strong); flex-shrink: 0;
}
.prof-avg { margin: var(--space-3) 0 0; display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.prof-avg .stars { font-size: 1.3rem; }

.prof-cols { display: grid; grid-template-columns: 1fr; gap: var(--space-6); align-items: start; }
@media (min-width: 820px) { .prof-cols { grid-template-columns: 300px 1fr; } }

.rating-label, .rating-note { font-size: 0.9rem; }
.rating-label { display: block; margin-bottom: var(--space-2); color: var(--text-muted); }
.rating-note { margin-top: var(--space-3); }
/* Typed score field (0–5). */
.score-input { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-4); }
.score-field { width: 7.5rem; padding: var(--space-3) var(--space-2); text-align: center; font-family: var(--font-display); font-size: 0.95rem; }

.prof-comment { border: 1px solid var(--border); background: var(--surface); padding: var(--space-4); margin-bottom: var(--space-3); }
.prof-comment--hidden { opacity: 0.55; border-style: dashed; }
.prof-comment--pending { border-left: 3px solid var(--gold); }
.stat-card--alert { border-color: var(--gold); box-shadow: inset 0 0 0 1px var(--gold); }
.prof-comment-head { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-2); font-size: 0.9rem; }
.prof-comment p { margin: 0; }
.prof-comment-actions { display: flex; gap: var(--space-2); margin-top: var(--space-3); }

/* Rating tags (safe preset descriptors) */
.rating-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: var(--space-2) 0 0; }
.rating-tag {
  display: inline-block;
  padding: 0.2em 0.6em;
  background: var(--surface-3);
  color: var(--accent);
  font-size: 0.8rem;
}
/* Tag checkboxes on the rating form */
.tag-choices { border: 0; margin: 0 0 var(--space-4); padding: 0; }
.tag-choices > div { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); margin-top: var(--space-2); }
.tag-choices label { display: inline-flex; align-items: center; gap: 0.35em; font-size: 0.95rem; cursor: pointer; }
.tag-choices input { accent-color: var(--brand); }

/* ------------------------------------------------------------------ messages */
.messages { margin-bottom: var(--space-5); }
.message {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
  margin-bottom: var(--space-2);
}
.message.success { border-color: var(--success); background: var(--success-soft); }
.message.error { border-color: var(--danger); }

/* ------------------------------------------------------------------- footer */
/* -------------------------------------------------- news bar (top of page) */
.news-bar {
  display: flex;
  align-items: stretch;
  background: linear-gradient(90deg, var(--surface-2), var(--surface));
  border-bottom: 2px solid var(--border-strong);
}
.news-bar__label {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  padding: 0 var(--space-4);
  background: var(--brand);
  font-size: 1rem;
}
.news-bar__stage {
  position: relative;
  flex: 1;
  min-width: 0;
  height: 40px;
  overflow: hidden;
  container-type: inline-size;   /* enables cqw so a message crosses the full bar */
}
.news-bar__list { list-style: none; margin: 0; padding: 0; }
/* One message at a time; the active one scrolls fully across the bar in its
   reading direction (English left→right, Arabic right→left). */
.news-msg {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 0.5em;
  padding-inline: var(--space-3);
  white-space: nowrap;
  font-size: 1.1rem;
  color: var(--text);
  visibility: hidden;
  will-change: transform;
}
.news-msg.is-active { visibility: visible; }
.news-msg.is-active[data-dir="ltr"] { animation: news-ltr 12s linear; }
.news-msg.is-active[data-dir="rtl"] { animation: news-rtl 12s linear; }
@keyframes news-ltr {
  from { transform: translateX(100cqw); }
  to   { transform: translateX(-100%); }
}
@keyframes news-rtl {
  from { transform: translateX(-100%); }
  to   { transform: translateX(100cqw); }
}
.news-msg a { color: var(--brand-strong); }
.news-msg a:hover { color: var(--brand); text-decoration: underline; }
.news-bar__close {
  flex-shrink: 0;
  padding: 0 var(--space-4);
  background: transparent;
  border: 0;
  border-left: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  cursor: pointer;
}
.news-bar__close:hover { color: var(--text); background: var(--surface-3); }
.news-bar--closing { opacity: 0; transition: opacity 0.25s ease; }
/* No motion: don't scroll — show one message, aligned to its side, and let JS
   rotate them slowly. */
@media (prefers-reduced-motion: reduce) {
  .news-msg { animation: none !important; right: 0; }
  .news-msg[data-dir="ltr"] { justify-content: flex-start; }
  .news-msg[data-dir="rtl"] { justify-content: flex-end; }
}

.site-footer {
  margin-top: var(--space-8);
  background: var(--surface-2);
  border-top: 3px solid var(--border-strong);
  padding: var(--space-6) 0 var(--space-5);
  color: var(--text-muted);
  font-size: 0.95rem;
}
.site-footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}
.footer-brand { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-name {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--text);
  margin: 0;
}
.footer-links, .footer-social { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-links a, .footer-social a { color: var(--text-muted); }
.footer-links a:hover, .footer-social a:hover { color: var(--cyan); text-shadow: var(--glow-cyan); }
.footer-bottom {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}
@media (max-width: 720px) {
  .site-footer-inner { grid-template-columns: 1fr; gap: var(--space-4); }
}

/* ------------------------------------------------------------- nav account */
.nav-links a.btn { color: var(--brand-contrast); padding: 0.5rem 1rem; }
.nav-links a.btn:hover { color: var(--brand-contrast); background: var(--brand-strong); }

/* ------------------------------------------------------------------- forms */
.auth-wrap { max-width: 520px; }
.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}
.auth-alt { margin-top: var(--space-4); margin-bottom: 0; }
.profile-form { margin-top: var(--space-6); max-width: 560px; }

.form-field { margin-bottom: var(--space-4); }
.form-field > label {
  display: block;
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: var(--space-2);
  color: var(--text);
}
.form-field--check {
  display: flex;
  flex-direction: row-reverse;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-2);
}
.form-field--check > label { margin: 0; font-weight: 400; }
.form-field--check input { width: 16px; height: 16px; accent-color: var(--brand); }

textarea.field { resize: vertical; min-height: 84px; }
select.field { appearance: auto; }

.helptext { color: var(--text-muted); font-size: 0.82rem; margin: var(--space-1) 0 0; }
.field-error { color: var(--danger); font-size: 0.82rem; margin: var(--space-1) 0 0; }
.has-error .field { border-color: var(--danger); }
.form-errors {
  background: var(--surface-2);
  border: 1px solid var(--danger);
  border-radius: var(--r-sm);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  color: var(--danger);
}
.form-errors p { margin: 0; }
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

/* ------------------------------------------------------------- stat cards */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.stat-card .num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
}
.stat-card .label { color: var(--text-muted); font-size: 0.9rem; }

/* -------------------------------------------------------------- moderation */
.queue-list { display: flex; flex-direction: column; gap: var(--space-4); }
.queue-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-5);
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.queue-meta { display: flex; flex-direction: column; gap: var(--space-2); }
.queue-body h3 { margin-bottom: var(--space-1); font-size: 1.05rem; }
.queue-body p { margin: 0 0 var(--space-2); }
.queue-link { font-weight: 600; font-size: 0.9rem; }
.queue-actions { display: flex; flex-direction: column; gap: var(--space-2); }
.queue-actions form { margin: 0; }
.queue-actions .btn { width: 100%; }
@media (max-width: 640px) {
  .queue-item { grid-template-columns: 1fr; }
  .queue-actions { flex-direction: row; }
}

/* ---------------------------------------------------------------- timer */
.timer-layout { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }
@media (min-width: 900px) {
  .timer-layout { grid-template-columns: 1.15fr 0.85fr; align-items: start; }
}

.timer-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.timer-settings {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
  text-align: left;
  margin-bottom: var(--space-5);
}
.ts-field { flex: 1 1 180px; }
.ts-field label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}
.ts-num { flex: 0 0 92px; }

.timer-phase {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  color: var(--brand);
  margin-bottom: var(--space-3);
}
[data-current-phase="break"] .timer-phase,
[data-current-phase="long"] .timer-phase { color: var(--success); }

.ring-wrap {
  position: relative;
  width: 280px;
  max-width: 100%;
  aspect-ratio: 1;
  margin: 0 auto var(--space-4);
}
.ring { width: 100%; height: auto; display: block; }
.ring-track { stroke: var(--surface-3); }
.ring-progress {
  stroke: var(--brand);
  stroke-linecap: round;
  transition: stroke-dashoffset 0.3s linear;
}
[data-current-phase="break"] .ring-progress,
[data-current-phase="long"] .ring-progress { stroke: var(--success); }
.ring-time {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 7vw, 2.1rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.cycle-dots {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-5);
}
.cycle-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--surface-3);
  border: 1px solid var(--border-strong);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.cycle-dots .dot--on { background: var(--brand); border-color: var(--brand); }

.timer-controls {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}
.timer-controls [data-start] { min-width: 130px; }
.timer-hint {
  color: var(--warning);
  font-size: 0.9rem;
  margin: var(--space-3) 0 0;
  min-height: 1.2em;
}

.timer-side { display: flex; flex-direction: column; gap: var(--space-4); }
.stat-cards--tight {
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-bottom: 0;
}
.stat-cards--tight .stat-card { padding: var(--space-4); }
.stat-cards--tight .num { font-size: 1.6rem; }

.subject-breakdown h3 { margin-bottom: var(--space-3); }
.breakdown-list { list-style: none; margin: 0; padding: 0; }
.breakdown-list li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border);
}
.breakdown-list li:last-child { border-bottom: 0; }

/* ------------------------------------------------------------- leaderboard */
.lb-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
.lb-controls .ts-field { flex: 1 1 200px; max-width: 280px; }

.mvp-card,
.me-card {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  border-radius: var(--r-lg);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-4);
}
.mvp-card {
  background: linear-gradient(135deg, var(--brand-soft), transparent);
  border: 1px solid var(--brand);
}
.mvp-badge {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 0.04em;
}
.mvp-name { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; }
.mvp-meta { color: var(--text-muted); margin-left: auto; }

.me-card {
  background: var(--surface);
  border: 1px solid var(--border-strong);
}
.me-label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.me-rank { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; color: var(--brand); }
.me-meta { color: var(--text-muted); margin-left: auto; }

.lb-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.lb-table th,
.lb-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
}
.lb-table thead th {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.lb-table .col-rank { width: 56px; text-align: center; }
.lb-table .col-num { text-align: right; font-variant-numeric: tabular-nums; }
.lb-table .col-group { color: var(--text-muted); }
.lb-table th.sortable { cursor: pointer; user-select: none; }
.lb-table th.sortable:hover { color: var(--text); }
.lb-table th.sorted { color: var(--brand); }
.lb-table th.sortable.sorted::after { content: " ↓"; }
.lb-table tbody tr { border-bottom: 1px solid var(--border); }
.lb-table tbody tr:last-child { border-bottom: 0; }
.lb-table tbody tr.is-me {
  background: var(--brand-soft);
  font-weight: 600;
}
.lb-table tbody td.col-rank { font-family: var(--font-display); font-weight: 700; color: var(--text-muted); }

@media (max-width: 600px) {
  .lb-table .col-group { display: none; }
  .mvp-meta, .me-meta { margin-left: 0; width: 100%; }
}

/* --------------------------------------------------------------- requests */
.req-filter { margin-bottom: var(--space-4); }
.chip.active {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--brand-contrast);
}

.req-card {
  display: flex;
  gap: var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-4);
}
.vote-form { margin: 0; }
.vote-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 58px;
  padding: var(--space-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  background: var(--surface-2);
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.vote-btn:hover { border-color: var(--brand); color: var(--brand); }
.vote-btn.voted { background: var(--brand-soft); border-color: var(--brand); color: var(--brand); }
.vote-arrow { font-size: 0.85rem; }
.vote-count { font-size: 1.1rem; font-variant-numeric: tabular-nums; }

.req-body { flex: 1; min-width: 0; }
.req-meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-bottom: var(--space-2); }
.req-body h3 { margin-bottom: var(--space-2); font-size: 1.1rem; }
.req-byline { color: var(--text-muted); font-size: 0.85rem; margin-bottom: var(--space-3); }

.req-status {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.6rem;
  border-radius: var(--r-pill);
}
.req-status.open { background: var(--brand-soft); color: var(--brand); }
.req-status.in_progress { background: var(--surface-3); color: var(--warning); }
.req-status.fulfilled { background: var(--success-soft); color: var(--success); }

.req-manage { margin-top: var(--space-3); }
.req-manage summary { cursor: pointer; color: var(--text-muted); font-size: 0.9rem; }
.req-status-form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.req-status-form .field { flex: 1 1 160px; width: auto; }

/* ======================================================================
   STATUS CODE 1 — pixel component layer + event sections
   ====================================================================== */

/* --- nav --- */
.site-nav { border-bottom: 3px solid var(--border-strong); background: rgba(11, 9, 38, 0.88); }
.brand { font-size: 0.72rem; text-transform: uppercase; }
.brand-mark { font-size: 0.58rem; border: 2px solid var(--brand-contrast); }
/* Real NHSM logo (dark art) rendered white for the nav. */
.brand-logo { height: 36px; width: auto; image-rendering: auto; filter: brightness(0) invert(1); }
.nav-links a { text-transform: uppercase; letter-spacing: 0.04em; font-size: 1rem; }
.nav-links a.active { color: var(--cyan); text-shadow: var(--glow-cyan); }
.nav-dropdown-toggle { text-transform: uppercase; letter-spacing: 0.04em; font-size: 1rem; }

/* --- chunkier pixel borders on panels --- */
.feature-card, .resource-card, .stat-card, .auth-card, .filter-bar,
.req-card, .queue-item, .timer-card, .mvp-card, .me-card, .empty-state {
  border-width: 2px;
}

/* --- inputs: cyan focus glow --- */
.field:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

/* --- section headings get a pink glow --- */
.section-head h2 { color: var(--text); text-shadow: 0 0 12px rgba(255, 61, 240, 0.35); }

/* =================== hero (intro) =================== */
.hero--intro { padding-top: var(--space-7); padding-bottom: var(--space-8); }
.hero-intro-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-7);
  align-items: center;
}
.hero-copy { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-5); }
.hero-copy .sc-title { margin-block: var(--space-3); }
.hero-copy .stat .num { font-size: 1.5rem; }
.hero-stats {
  width: 100%;
  margin-top: var(--space-3);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
}
.hero-stats .stats-row { margin-top: var(--space-3); padding-top: 0; border-top: none; }
.stats-title {
  font-family: var(--font-display);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-shadow: var(--glow-gold);
  margin: 0;
}
.hero-visual { display: grid; place-items: center; }
.hero-book {
  width: clamp(230px, 36vw, 420px);
  height: auto;
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.45)) drop-shadow(0 0 22px rgba(255, 61, 240, 0.35));
  animation: float 4s ease-in-out infinite;
}

.sc-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 6vw, 3.4rem);
  line-height: 1.2;
  letter-spacing: 2px;
  color: var(--pink);
  margin: 0;
  text-shadow: 0 0 8px rgba(255, 61, 240, 0.9), 0 0 22px rgba(255, 61, 240, 0.55),
    4px 4px 0 #5a0a55;
  animation: sc-glow 2.6s ease-in-out infinite;
}
@keyframes sc-glow {
  0%, 100% { text-shadow: 0 0 8px rgba(255, 61, 240, 0.9), 0 0 22px rgba(255, 61, 240, 0.5), 4px 4px 0 #5a0a55; }
  50% { text-shadow: 0 0 14px rgba(255, 61, 240, 1), 0 0 36px rgba(255, 61, 240, 0.85), 4px 4px 0 #5a0a55; }
}
.hero-tag { color: var(--text-muted); max-width: 50ch; font-size: 1.15rem; margin: 0; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@media (max-width: 820px) {
  .hero-intro-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { align-items: center; }
  .hero-copy .hero-actions, .hero-copy .stats-row { justify-content: center; }
  .hero-visual { order: -1; }
}
@media (prefers-reduced-motion: reduce) {
  .sc-title, .hero-book { animation: none !important; }
}

/* =================== study-tools carousel =================== */
.section-head--center { text-align: center; margin-left: auto; margin-right: auto; }

.carousel { position: relative; display: flex; align-items: center; gap: var(--space-2); }
.carousel-track {
  display: flex;
  gap: var(--space-4);
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: var(--space-5) var(--space-2);
  scrollbar-width: none;
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-card {
  flex: 0 0 clamp(230px, 26vw, 290px);
  scroll-snap-align: center;
}
.carousel-card.is-active {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px var(--cyan), var(--glow-cyan), 0 0 28px rgba(54, 224, 255, 0.45);
  transform: translateY(-4px);
}

.carousel-arrow {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 46px;
  height: 64px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s ease, transform 0.12s ease, filter 0.15s ease;
}
.carousel-arrow:hover { color: var(--cyan); filter: drop-shadow(var(--glow-cyan)); }
.carousel-arrow:active { transform: scale(0.9); }
.carousel-arrow .chev { width: 22px; height: auto; image-rendering: pixelated; }
.carousel-arrow--prev .chev { transform: scaleX(-1); }
@media (max-width: 560px) {
  .carousel-arrow { width: 30px; }
  .carousel-arrow .chev { width: 15px; }
}

/* =================== admin (manage) =================== */
.manage-layout { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }
@media (min-width: 860px) {
  .manage-layout { grid-template-columns: 200px 1fr; align-items: start; }
}
.manage-nav { display: flex; flex-direction: column; gap: var(--space-2); }
.manage-nav a {
  font-family: var(--font-display);
  font-size: 0.55rem;
  text-transform: uppercase;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
}
.manage-nav a:hover { color: var(--text); border-color: var(--border-strong); }
.manage-nav a.active { color: var(--brand-contrast); background: var(--pink); border-color: var(--pink); }
.manage-content { min-width: 0; }

.manage-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}
.manage-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-5); }
.manage-form { max-width: 600px; }

.manage-table th, .manage-table td { vertical-align: middle; }
.manage-table .col-actions { text-align: right; }
.manage-row-actions { display: flex; gap: var(--space-2); justify-content: flex-end; }
.manage-row-actions form { margin: 0; }
.btn.danger:hover {
  border-color: var(--danger);
  color: var(--danger);
  box-shadow: var(--shadow-sm), 0 0 10px rgba(255, 77, 109, 0.5);
}

.req-status.pending { background: var(--surface-3); color: var(--warning); }
.req-status.approved { background: var(--success-soft); color: var(--success); }
.req-status.rejected { background: rgba(255, 77, 109, 0.14); color: var(--danger); }
.req-status.role-admin { background: var(--brand-soft); color: var(--pink); }
.req-status.role-approver { background: var(--success-soft); color: var(--success); }
.req-status.role-student { background: var(--surface-3); color: var(--text-muted); }
.req-status.role-owner { background: var(--gold); color: var(--brand-contrast); }

/* Golden Owner badge (shown next to the owner's name). */
.owner-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  padding: 0.1em 0.5em;
  margin-left: 0.35em;
  background: var(--gold);
  color: var(--brand-contrast);
  font-family: var(--font-display);
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  vertical-align: middle;
  box-shadow: var(--glow-gold);
}

code {
  font-family: var(--font-body);
  font-size: 0.95em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 1px 5px;
  color: var(--cyan);
}

/* =================== profile avatar =================== */
.profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}
.profile-avatar {
  width: 96px;
  height: 96px;
  object-fit: cover;
  image-rendering: auto;
  background: var(--surface);
  border: 3px solid var(--cyan);
  box-shadow: var(--shadow-sm), var(--glow-cyan);
}
.profile-avatar--placeholder {
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--cyan);
}
.profile-name { margin-bottom: var(--space-2); }

/* =================== donation =================== */
.donate-card {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-5);
  background: var(--surface);
  border: 3px solid var(--gold);
  box-shadow: var(--shadow-md), 0 0 30px rgba(255, 210, 63, 0.18);
  padding: var(--space-6);
}
.donate-icon { font-size: 3.4rem; line-height: 1; }
.donate-body { flex: 1; min-width: 260px; }
.donate-body h2 { color: var(--gold); text-shadow: var(--glow-gold); margin-bottom: var(--space-3); }
.donate-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-4); }
.donate-note { font-size: 0.95rem; margin: var(--space-3) 0 0; }

/* ----------------------------------------------------------------- reveals */
html.js .reveal { opacity: 0; }

/* -------------------------------------------------------------- responsive */
@media (min-width: 880px) {
  .lib-layout { grid-template-columns: 280px 1fr; align-items: start; }
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: var(--space-2);
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.75rem 0.85rem; }
  .nav-toggle { display: inline-flex; }
  .filter-bar { position: static; }

  /* Flatten the "More" dropdown into the stacked hamburger menu. */
  .nav-dropdown { width: 100%; }
  .nav-dropdown-toggle { display: none; }
  .nav-dropdown-menu {
    display: flex;
    position: static;
    min-width: 0;
    padding: 0;
    border: 0;
    box-shadow: none;
    background: transparent;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1 !important; transform: none !important; }
  * { scroll-behavior: auto; }
}

/* Pixel-art custom cursor (sword default, shield on clickables). Scoped to real
   mouse pointers so touch devices and stylus users keep their native behaviour. */
@media (hover: hover) and (pointer: fine) {
  html,
  body {
    cursor: url("../img/cursor-sword.163362245af6.png") 2 2, auto;
  }

  a,
  button,
  summary,
  label[for],
  select,
  [role="button"],
  input[type="submit"],
  input[type="button"],
  input[type="checkbox"],
  input[type="radio"],
  .btn,
  .chip,
  .vote-btn,
  .theme-toggle,
  .nav-toggle {
    cursor: url("../img/cursor-shield.d290747e2605.png") 11 2, pointer;
  }

  input[type="text"],
  input[type="search"],
  input[type="email"],
  input[type="password"],
  input[type="url"],
  input[type="number"],
  textarea {
    cursor: text;
  }
}

/* Contact page */
.contact-layout {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 760px) {
  .contact-layout { grid-template-columns: 3fr 2fr; }
}
.contact-card {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  flex-wrap: wrap;
}
.contact-photo {
  border-radius: var(--r-md);
  object-fit: cover;
  border: 3px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
}
.contact-body { flex: 1 1 12rem; }
.contact-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.85rem;
}
.collab-list {
  margin: 0.5rem 0 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.3rem;
}
.doaa {
  margin: var(--space-4) 0 0;
  font-size: 1.5rem;
  color: #ffffff;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
  text-align: right;
}

/* Honeypot anti-spam field — visually hidden but still submitted with the form. */
.hp-field {
  position: absolute !important;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ----------------------------------------------------- Owner dashboard ----
   Centered section titles (charts removed — plain tables only). */
.owner-title {
  text-align: center;
  margin-top: var(--space-7);
}
.owner-title::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  margin: var(--space-2) auto 0;
  background: linear-gradient(90deg, var(--brand), var(--cyan));
}
.owner-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin: var(--space-4) 0 var(--space-2);
}