/* =====================================================
   SE STUDENT HUB — style.css
   Aesthetic: Editorial zine · Ink & paper · Alive
   Fonts: Fraunces (display) · Instrument Sans (body)
          Martian Mono (data/code)
===================================================== */

/* ── THEMES ──────────────────────────────────────── */

[data-theme="black"] {
  --bg:          #0d0d14;
  --bg2:         #13131e;
  --bg3:         #1a1a28;
  --border:      rgba(255,255,255,0.07);
  --border2:     rgba(255,255,255,0.13);
  --text:        #ece8e1;
  --text2:       #8a8799;
  --text3:       #3d3d52;
  --ink:         #ece8e1;
  --accent:      #e8c547;
  --accent-rgb:  232,197,71;
  --accent2:     #7c6fe0;
  --red:         #f07070;
  --green:       #5ecfa0;
  --amber:       #f5a623;
  --gh:          #a78bfa;
  --so:          #fb923c;
  --wiki:        #38bdf8;
  --shadow:      0 2px 24px rgba(0,0,0,0.5);
  --grain-op:    0.035;
}

[data-theme="white"] {
  --bg:          #f5f0e8;
  --bg2:         #ede8df;
  --bg3:         #e4ddd3;
  --border:      rgba(0,0,0,0.08);
  --border2:     rgba(0,0,0,0.15);
  --text:        #1a1612;
  --text2:       #7a7060;
  --text3:       #c8bfb0;
  --ink:         #1a1612;
  --accent:      #c0392b;
  --accent-rgb:  192,57,43;
  --accent2:     #6d4c41;
  --red:         #c0392b;
  --green:       #27ae60;
  --amber:       #e67e22;
  --gh:          #6d28d9;
  --so:          #ea580c;
  --wiki:        #0369a1;
  --shadow:      0 2px 16px rgba(0,0,0,0.1);
  --grain-op:    0.025;
}

[data-theme="blue"] {
  --bg:          #020d1a;
  --bg2:         #041525;
  --bg3:         #071e32;
  --border:      rgba(56,189,248,0.1);
  --border2:     rgba(56,189,248,0.22);
  --text:        #cce8f8;
  --text2:       #4a8aaa;
  --text3:       #1a3a50;
  --ink:         #cce8f8;
  --accent:      #38bdf8;
  --accent-rgb:  56,189,248;
  --accent2:     #818cf8;
  --red:         #f87171;
  --green:       #34d399;
  --amber:       #fbbf24;
  --gh:          #818cf8;
  --so:          #fb923c;
  --wiki:        #34d399;
  --shadow:      0 2px 24px rgba(0,10,30,0.6);
  --grain-op:    0.03;
}

[data-theme="pink"] {
  --bg:          #120008;
  --bg2:         #1c000f;
  --bg3:         #280018;
  --border:      rgba(244,114,182,0.1);
  --border2:     rgba(244,114,182,0.22);
  --text:        #fce8f3;
  --text2:       #a05070;
  --text3:       #4a1030;
  --ink:         #fce8f3;
  --accent:      #f472b6;
  --accent-rgb:  244,114,182;
  --accent2:     #c084fc;
  --red:         #fb7185;
  --green:       #34d399;
  --amber:       #fbbf24;
  --gh:          #c084fc;
  --so:          #fb923c;
  --wiki:        #f9a8d4;
  --shadow:      0 2px 24px rgba(20,0,15,0.6);
  --grain-op:    0.03;
}

/* ── RESET ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Instrument Sans', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.5s, color 0.4s;
  cursor: default;
}

/* ── GRAIN TEXTURE ───────────────────────────────── */
.grain {
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  z-index: 9999;
  opacity: var(--grain-op);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grainShift 0.8s steps(1) infinite;
}
@keyframes grainShift {
  0%   { transform: translate(0,0); }
  25%  { transform: translate(-2%,-3%); }
  50%  { transform: translate(3%,1%); }
  75%  { transform: translate(-1%,2%); }
  100% { transform: translate(2%,-1%); }
}

/* ── HEADER ──────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border2);
}
.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 36px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Brand */
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'Martian Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.12em;
}
.bm-line {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--accent);
}
.brand-title {
  font-family: 'Fraunces', serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.03em;
  display: block;
  line-height: 1;
}
.brand-sub {
  font-family: 'Martian Mono', monospace;
  font-size: 9px;
  color: var(--text2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-top: 3px;
}

/* Clock */
.live-clock {
  font-family: 'Martian Mono', monospace;
  font-size: 12px;
  color: var(--text2);
  letter-spacing: 0.08em;
}

/* Header end */
.header-end { display: flex; align-items: center; gap: 20px; }

.hstat { display: flex; flex-direction: column; align-items: center; line-height: 1; }
.hstat-n {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
}
.hstat-l {
  font-family: 'Martian Mono', monospace;
  font-size: 8px;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 2px;
}
.hstat.danger .hstat-n { color: var(--red); }

/* Palette */
.palette { display: flex; gap: 8px; align-items: center; }
.pal-swatch {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--sw);
  border: 2px solid rgba(255,255,255,0.25);
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  position: relative;
}
.pal-swatch:hover  { transform: scale(1.25); border-color: rgba(255,255,255,0.6); }
.pal-swatch.active {
  border-color: var(--accent);
  transform: scale(1.2);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.35);
}

/* ── TAB RAIL ─────────────────────────────────────── */
.tab-rail {
  display: flex;
  align-items: stretch;
  gap: 0;
  padding: 0 36px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: relative;
  max-width: 100%;
}

.trail-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px 14px 0;
  background: none;
  border: none;
  color: var(--text2);
  font-family: 'Instrument Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.25s, border-color 0.25s;
  position: relative;
}
.trail-btn + .trail-btn { padding-left: 28px; }
.trail-btn:hover   { color: var(--text); }
.trail-btn.active  { color: var(--accent); border-bottom-color: var(--accent); }

.trail-num {
  font-family: 'Martian Mono', monospace;
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 0.06em;
}
.trail-btn.active .trail-num { color: var(--accent); opacity: 0.6; }

.trail-badge {
  min-width: 18px; height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: var(--accent);
  color: var(--bg);
  font-family: 'Martian Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.3s;
}

/* ── TAB PANELS ───────────────────────────────────── */
main { max-width: 1440px; margin: 0 auto; }

.tab-panel {
  display: none;
  padding: 48px 36px;
  animation: slideUp 0.3s cubic-bezier(0.4,0,0.2,1);
}
.tab-panel.active { display: block; }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── SECTION TITLE ────────────────────────────────── */
.section-title {
  font-family: 'Fraunces', serif;
  font-size: 56px;
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.04em;
  color: var(--text);
}
.section-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
}
.section-title.small { font-size: 38px; }
.section-desc {
  margin-top: 12px;
  font-size: 14px;
  color: var(--text2);
  font-weight: 400;
  max-width: 380px;
  line-height: 1.7;
}

/* ── RESOURCES HERO ───────────────────────────────── */
.res-hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
}
.res-hero-deco {
  width: 120px; height: 120px;
  color: var(--accent);
  opacity: 0.4;
  flex-shrink: 0;
  animation: spinSlow 30s linear infinite;
}
@keyframes spinSlow { to { transform: rotate(360deg); } }

/* ── SEARCH STAGE ─────────────────────────────────── */
.search-stage { margin-bottom: 28px; }

.search-eyebrow {
  display: block;
  font-family: 'Martian Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 10px;
}

.search-row {
  display: flex;
  gap: 0;
  border: 1.5px solid var(--border2);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-row:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb),0.15);
}

.search-field {
  flex: 1;
  padding: 16px 20px;
  background: var(--bg2);
  border: none;
  color: var(--text);
  font-family: 'Instrument Sans', sans-serif;
  font-size: 16px;
  outline: none;
  transition: background 0.3s;
}
.search-field::placeholder { color: var(--text3); }

.go-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 28px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  font-family: 'Fraunces', serif;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: filter 0.2s, gap 0.2s;
  white-space: nowrap;
}
.go-btn:hover:not(:disabled) { filter: brightness(1.12); }
.go-btn:hover svg { transform: translateX(3px); }
.go-btn svg { transition: transform 0.2s; }
.go-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Quick row */
.quick-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.quick-label {
  font-family: 'Martian Mono', monospace;
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 0.1em;
}
.qchip {
  padding: 5px 14px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--text2);
  font-family: 'Instrument Sans', sans-serif;
  font-size: 12px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s;
}
.qchip:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ── SOURCE TABS ──────────────────────────────────── */
.source-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}
.stab {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 18px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  color: var(--text2);
  font-family: 'Instrument Sans', sans-serif;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.stab:hover { color: var(--text); }
.stab.active { color: var(--accent); border-bottom-color: var(--accent); }
.stab.gh.active  { color: var(--gh);   border-bottom-color: var(--gh); }
.stab.so.active  { color: var(--so);   border-bottom-color: var(--so); }
.stab.wiki.active{ color: var(--wiki); border-bottom-color: var(--wiki); }

/* ── RESULTS MOSAIC ───────────────────────────────── */
.results-mosaic {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 16px;
}

/* Resource card */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  transition: transform 0.22s cubic-bezier(0.4,0,0.2,1), border-color 0.2s, box-shadow 0.2s;
  animation: cardRise 0.4s cubic-bezier(0.4,0,0.2,1) both;
}

/* Left accent stripe */
.card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--border2);
  transition: background 0.2s;
}
.card.source-github::before { background: var(--gh); }
.card.source-stack::before  { background: var(--so); }
.card.source-wiki::before   { background: var(--wiki); }

.card:hover { transform: translateY(-4px) translateX(1px); box-shadow: var(--shadow); }
.card.source-github:hover { border-color: rgba(167,139,250,0.3); }
.card.source-stack:hover  { border-color: rgba(251,146,60,0.3); }
.card.source-wiki:hover   { border-color: rgba(56,189,248,0.3); }

@keyframes cardRise {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: 'Martian Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text2);
  margin-left: 6px;
}
.badge-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.card-badge.gh   { color: var(--gh); }
.card-badge.so   { color: var(--so); }
.card-badge.wiki { color: var(--wiki); }

.card h3 {
  font-family: 'Instrument Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text);
  margin-left: 6px;
}

.card p {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.65;
  margin-left: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  font-family: 'Martian Mono', monospace;
  font-size: 10px;
  color: var(--text3);
  display: flex;
  gap: 10px;
  margin-left: 6px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: 'Martian Mono', monospace;
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-decoration: none;
  margin-left: 6px;
  margin-top: 4px;
  transition: gap 0.2s;
}
.card:hover .card-link { gap: 9px; }

/* Skeleton */
.skel {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.skel-b {
  border-radius: 2px;
  background: linear-gradient(90deg, var(--bg3) 25%, var(--border2) 50%, var(--bg3) 75%);
  background-size: 300% 100%;
  animation: skelShimmer 1.5s infinite;
}
@keyframes skelShimmer {
  0%   { background-position: 300% 0; }
  100% { background-position: -300% 0; }
}

/* ── VOID STATE ────────────────────────────────────── */
.void-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  text-align: center;
  gap: 20px;
  animation: slideUp 0.4s ease;
}
.void-state.small { padding: 40px 24px; }

.void-ring {
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 1.5px solid var(--border2);
  position: relative;
  animation: voidSpin 8s linear infinite;
}
.void-ring::after {
  content: '';
  position: absolute;
  top: -4px; left: 50%;
  transform: translateX(-50%);
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.void-ring.small { width: 48px; height: 48px; }
@keyframes voidSpin { to { transform: rotate(360deg); } }

.void-text {
  font-size: 14px;
  color: var(--text2);
  max-width: 320px;
  line-height: 1.7;
}

/* Quick chips from void */
.void-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ── ASSIGNMENTS LAYOUT ────────────────────────────── */
.assign-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 36px;
  align-items: start;
}

/* Form column */
.form-col {
  border: 1px solid var(--border2);
  border-radius: 3px;
  padding: 28px;
  position: sticky;
  top: 130px;
  background: var(--bg2);
}
.form-col-header { margin-bottom: 28px; }

/* Fields */
.fgroup { margin-bottom: 18px; }
.flabel {
  display: block;
  font-family: 'Martian Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 7px;
}
.flabel sup { color: var(--accent); font-size: 11px; }

.finput {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: 'Instrument Sans', sans-serif;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.finput:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(var(--accent-rgb),0.15);
}
.finput::placeholder { color: var(--text3); }
.finput[type="date"]::-webkit-calendar-picker-indicator { filter: invert(0.5); cursor: pointer; }

.fselect {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: 'Instrument Sans', sans-serif;
  font-size: 13px;
  padding: 9px 10px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
}
.fselect:focus { border-color: var(--accent); }
.fselect option { background: var(--bg2); }

/* Course pills */
.course-pills { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.cpill {
  padding: 3px 10px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--text2);
  font-family: 'Martian Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.05em;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.18s;
}
.cpill:hover { border-color: var(--accent); color: var(--accent); }

/* Priority toggle */
.ptoggle { display: flex; border: 1px solid var(--border2); border-radius: 3px; overflow: hidden; }
.pbtn {
  flex: 1;
  padding: 9px 4px;
  border: none;
  background: transparent;
  color: var(--text2);
  font-family: 'Instrument Sans', sans-serif;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border-right: 1px solid var(--border);
}
.pbtn:last-child { border-right: none; }
.pbtn:hover { background: var(--bg3); color: var(--text); }
.pbtn[data-p="low"].active    { background: rgba(94,207,160,0.18);  color: var(--green); }
.pbtn[data-p="medium"].active { background: rgba(245,166,35,0.18);  color: var(--amber); }
.pbtn[data-p="high"].active   { background: rgba(240,112,112,0.18); color: var(--red); }

/* Add button */
.add-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 3px;
  font-family: 'Fraunces', serif;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: filter 0.2s, transform 0.2s;
  margin-top: 4px;
}
.add-btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
.add-btn svg { transition: transform 0.2s; }
.add-btn:hover svg { transform: rotate(90deg); }

/* Tiny stats */
.tiny-stats {
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.tstat { text-align: center; }
.tstat-n {
  font-family: 'Fraunces', serif;
  font-size: 28px;
  font-weight: 900;
  line-height: 1;
  display: block;
}
.tstat-n.red   { color: var(--red); }
.tstat-n.green { color: var(--green); }
.tstat-l {
  font-family: 'Martian Mono', monospace;
  font-size: 8px;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-top: 3px;
}
.tstat-div { width: 1px; height: 32px; background: var(--border2); }

/* ── LIST COLUMN ──────────────────────────────────── */
.list-col {}

.list-controls {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.list-search-wrap { flex: 1; position: relative; min-width: 160px; }
.ls-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text2);
  pointer-events: none;
}
.list-search { padding-left: 32px !important; }

.assign-list { display: flex; flex-direction: column; gap: 10px; }

/* Assignment card */
.assignment {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border2);
  border-radius: 3px;
  padding: 16px 18px;
  animation: cardRise 0.35s cubic-bezier(0.4,0,0.2,1) both;
  transition: transform 0.2s, box-shadow 0.2s, border-left-color 0.2s;
  position: relative;
}
.assignment:hover { transform: translateX(3px); box-shadow: var(--shadow); }
.assignment.done { opacity: 0.5; }
.assignment.prio-low    { border-left-color: var(--green); }
.assignment.prio-medium { border-left-color: var(--amber); }
.assignment.prio-high   { border-left-color: var(--red); }

/* Ring */
.ring-wrap { flex-shrink: 0; position: relative; width: 52px; height: 52px; }
.ring { width: 52px; height: 52px; transform: rotate(-90deg); display: block; }
.ring-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.ring-num {
  font-family: 'Fraunces', serif;
  font-size: 15px;
  font-weight: 900;
  line-height: 1;
}
.ring-unit {
  font-family: 'Martian Mono', monospace;
  font-size: 7px;
  color: var(--text2);
  margin-top: 1px;
}

/* Info */
.ainfo { flex: 1; min-width: 0; }
.atitle {
  font-family: 'Instrument Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}
.atitle.crossed { text-decoration: line-through; opacity: 0.5; }
.ameta {
  margin-top: 5px;
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.acourse {
  font-family: 'Martian Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  border: 1px solid var(--border2);
  border-radius: 2px;
  color: var(--accent);
}
.adate {
  font-family: 'Martian Mono', monospace;
  font-size: 10px;
  color: var(--text2);
}
.adays {
  font-family: 'Martian Mono', monospace;
  font-size: 10px;
  font-weight: 600;
}

/* Overdue tag */
.overdue-tag {
  position: absolute;
  top: 8px; right: 8px;
  font-family: 'Martian Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(240,112,112,0.15);
  color: var(--red);
  padding: 2px 7px;
  border-radius: 2px;
}

/* High priority pulse */
.assignment.prio-high:not(.done) .ring-num {
  animation: numPulse 1.8s ease-in-out infinite;
}
@keyframes numPulse {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.6; }
}

/* Action buttons */
.abtn-group { display: flex; gap: 5px; flex-shrink: 0; }
.abtn {
  width: 32px; height: 32px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--text2);
  font-size: 14px;
  border-radius: 3px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.18s;
}
.abtn:hover { background: var(--bg3); color: var(--text); }
.abtn.done-btn:hover { border-color: var(--green); color: var(--green); }
.abtn.del-btn:hover  { border-color: var(--red);   color: var(--red); }

/* ── TOAST ────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px; right: 24px;
  min-width: 200px; max-width: 300px;
  padding: 13px 18px;
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 3px;
  font-family: 'Martian Mono', monospace;
  font-size: 12px;
  color: var(--text);
  z-index: 1000;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}
.toast.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.toast.success { border-left: 3px solid var(--green); }
.toast.error   { border-left: 3px solid var(--red); }
.toast.info    { border-left: 3px solid var(--accent); }

/* ── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 960px) {
  .assign-layout { grid-template-columns: 1fr; }
  .form-col { position: static; }
  .section-title { font-size: 40px; }
  .section-title.small { font-size: 28px; }
}

@media (max-width: 680px) {
  .header-inner { padding: 0 20px; }
  .live-clock { display: none; }
  .brand-sub { display: none; }
  .tab-panel { padding: 28px 20px; }
  .tab-rail  { padding: 0 20px; }
  .results-mosaic { grid-template-columns: 1fr; }
  .section-title { font-size: 32px; }
  .hstat { display: none; }
}