/* İTÜ Ders Arşivi — terminal/fosfor teması.
   Harici font veya script yok: sayfa tek başına, çevrimdışı da açılır. */

/* Display font (Space Grotesk) — yalnızca marka/başlıklar için, yerel vendor/
   altında (çevrimdışı). Türkçe karakterler latin-ext alt kümesinden gelir. */
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url("vendor/fonts/space-grotesk-latin-600-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url("vendor/fonts/space-grotesk-latin-ext-600-normal.woff2") format("woff2");
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url("vendor/fonts/space-grotesk-latin-700-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url("vendor/fonts/space-grotesk-latin-ext-700-normal.woff2") format("woff2");
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --bg: #050806;
  --panel: #0a100c;
  --panel-2: #0d1611;
  --line: #16281d;
  --line-hot: #1f3f2c;
  --fg: #c8f7dd;
  --dim: #6da086;
  --dimmer: #5b8f78;
  --acid: #00ff9c;
  --cyan: #35e0ff;
  --amber: #ffc857;
  --red: #ff4f6d;
  /* İnce tonlar — görünümler ve grafikler buradan beslenir. */
  --row-hover: #0e1a13;
  --detail-bg: #071009;
  --canvas-bg: #030503;
  --now-bg: #0d1f15;
  --chart-cap: rgba(94, 234, 212, .14);
  --chart-cap-edge: rgba(94, 234, 212, .55);
  --chart-axis: rgba(140, 160, 150, .75);
  --glow: #0b1a12;
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --w: 1180px;
  /* Faz 1 — premium tasarım token'ları */
  --hairline: rgba(255, 255, 255, .08);
  --hairline-strong: rgba(255, 255, 255, .16);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition: 220ms var(--ease-out-expo);
  --radius-card: 14px;
  --radius-lg: 22px;
  --shadow-soft: 0 14px 44px rgba(0, 0, 0, .45), 0 2px 8px rgba(0, 0, 0, .28);
  --shadow-card: inset 0 1px 0 rgba(255, 255, 255, .06), 0 10px 32px rgba(0, 0, 0, .32);
  --inset-hi: inset 0 1px 0 rgba(255, 255, 255, .07);
  --inset-lo: inset 0 -1px 0 rgba(0, 0, 0, .55);
  --grain-opacity: .05;
}

/* Açık tema — fosfor koyuluğunu tersine çevirir, değişkenler tek kaynaktan yönetilir.
   Zemin düz ve tek renkli: grain deseni ve scanlines bu temada kapalı. */
[data-theme="light"] {
  color-scheme: light;
  --bg: #fbfcfb;
  --panel: #ffffff;
  --panel-2: #f0f3f1;
  --line: #d7e2da;
  --line-hot: #b4c9bc;
  --fg: #143525;
  --dim: #2f5d45;
  --dimmer: #547060;
  --acid: #007a4d;
  --cyan: #00749a;
  --amber: #946200;
  --red: #c2283f;
  --row-hover: #e7efe9;
  --detail-bg: #f2f6f3;
  --canvas-bg: #f9fbfa;
  --now-bg: #e9f3ec;
  --chart-cap: rgba(0, 122, 77, .14);
  --chart-cap-edge: rgba(0, 122, 77, .5);
  --chart-axis: rgba(47, 93, 69, .6);
  --glow: #fbfcfb;
  --hairline: rgba(0, 0, 0, .08);
  --hairline-strong: rgba(0, 0, 0, .16);
  --shadow-soft: 0 14px 44px rgba(30, 60, 45, .14), 0 2px 8px rgba(30, 60, 45, .08);
  --shadow-card: inset 0 1px 0 rgba(255, 255, 255, .65), 0 10px 32px rgba(30, 60, 45, .10);
  --inset-hi: inset 0 1px 0 rgba(255, 255, 255, .75);
  --inset-lo: inset 0 -1px 0 rgba(0, 0, 0, .05);
  --grain-opacity: 0;
}
/* Açık temada CRT taraması ve grain kapalı: düz, tek renkli zemin. */
[data-theme="light"] .scanlines { display: none; }

/* Yüksek kontrast — sınırlar ve metinler netleşir. */
[data-theme="contrast"] {
  --bg: #000;
  --panel: #000;
  --panel-2: #0d0d0d;
  --line: #ffffff;
  --line-hot: #ffffff;
  --fg: #ffffff;
  --dim: #ffffff;
  --dimmer: #d9d9d9;
  --acid: #00ff9c;
  --cyan: #35e0ff;
  --amber: #ffc857;
  --red: #ff4f6d;
  --row-hover: #161616;
  --detail-bg: #000;
  --canvas-bg: #000;
  --now-bg: #151515;
  --glow: #000;
  --hairline: rgba(255, 255, 255, .9);
  --hairline-strong: #ffffff;
  --shadow-soft: 0 0 0 1px #fff;
  --shadow-card: 0 0 0 1px #fff;
  --inset-hi: none;
  --inset-lo: none;
  --grain-opacity: 0;
}
[data-theme="contrast"] .scanlines { display: none; }

* { box-sizing: border-box; }

html { scrollbar-color: var(--line-hot) var(--bg); }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 50% -10%, var(--glow) 0%, transparent 70%),
    var(--bg);
  color: var(--fg);
  font: 14px/1.55 var(--mono);
  -webkit-font-smoothing: antialiased;
}

/* Film tanesi — sabit, tıklanamaz, düşük opaklıkta fiziksel doku. */
body::after {
  content: "";
  position: fixed; inset: 0; z-index: 95; pointer-events: none;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* Tutarlı odak halkası */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 3px;
}

/* Etkileşimli elemanlar: yumuşak expo geçişi + basınç hissi.
   Yalnızca transform/opacity/renk — performans güvenli. */
button, select, input[type="checkbox"], a, .chip, .chip-x, .th-sort, .row-toggle,
.tt-chip, .pg-chip, .pg-level, .more, .detail-close {
  transition:
    color var(--transition),
    background-color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    opacity var(--transition),
    transform 140ms var(--ease-spring);
}
button:active, .chip:active, .chip-x:active, .th-sort:active, .row-toggle:active,
.tt-chip:active, .pg-chip:active, .pg-level:active, .more:active {
  transform: scale(.97);
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  body::after { display: none; }
}

/* ---------- yüzeyler: Double-Bezel (dış kabuk + iç vurgu) ----------
   Kartlar düz zeminde durmaz: hairline kenar, iç üst vurgu ve yumuşak dağınık
   gölgeyle "makineden çıkmış" gibi görünür. Token'lar temalara göre döner. */

.statbar {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border-color: var(--hairline);
  box-shadow: var(--shadow-card);
}
.statbar > div { box-shadow: var(--inset-hi); }

.console,
.hcard,
.termcard,
.sepet,
.calgroup,
.detail-box,
.tablewrap,
.tt-scroll,
.pg-canvas-wrap {
  border-radius: var(--radius-card);
  border-color: var(--hairline);
  box-shadow: var(--shadow-card);
}
/* Yatay kaydıran kaplar kendi overflow'larıyla köşeleri zaten kırpar;
   calgroup ise başlık zeminini kırpmak için gizlemeli. */
.calgroup { overflow: hidden; }
.detail-box {
  border-radius: var(--radius-lg);
  border-color: var(--hairline-strong);
  box-shadow: var(--shadow-soft);
}

.wrap { max-width: var(--w); margin: 0 auto; padding: 0 20px; }

/* CRT taraması — dekoratif, hareket duyarlılığında kapanır */
.scanlines {
  position: fixed; inset: 0; z-index: 100; pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(0,0,0,.22) 0 1px, transparent 1px 3px);
  mix-blend-mode: multiply; opacity: .55;
}
@media (prefers-reduced-motion: reduce) { .scanlines { display: none; } }

/* ---------- başlık ---------- */

.masthead { border-bottom: 1px solid var(--line); padding: 34px 0 0; }

.brand { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.prompt { color: var(--acid); }
.path { color: var(--cyan); }
.caret { color: var(--dim); }

.brand h1 {
  margin: 0 0 0 6px;
  font-family: "Space Grotesk", var(--mono);
  font-size: clamp(22px, 4.2vw, 38px);
  letter-spacing: .04em;
  font-weight: 700;
  color: var(--acid);
  text-shadow: 0 0 18px rgba(0, 255, 156, .35);
}
.brand h1::after {
  content: "█";
  animation: blink 1.1s steps(1) infinite;
  color: var(--acid);
  margin-left: 6px;
}
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .brand h1::after { animation: none; } }

.tagline { max-width: 70ch; color: var(--dim); margin: 14px 0 22px; }

.statbar {
  display: grid; gap: 1px; margin: 0 0 -1px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  background: var(--line);
  border: 1px solid var(--line);
}
.statbar > div { background: var(--panel); padding: 12px 14px; }
.statbar dt { color: var(--dimmer); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; }
.statbar dd { margin: 4px 0 0; color: var(--fg); font-size: 15px; }
.statbar dd.ok { color: var(--acid); }

/* Üst şerit: marka solda, görünüm + rehber sağ üstte */
.mast-top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.mast-controls { display: flex; align-items: center; gap: 8px; }

/* Tema seçici: ikon butonları (fosfor / açık / kontrast) */
.theme-pick {
  display: flex; align-items: center; gap: 4px;
  background: var(--panel); border: 1px solid var(--hairline);
  border-radius: 999px; padding: 3px;
}
.theme-btn {
  all: unset; cursor: pointer; width: 30px; height: 30px; display: inline-flex;
  align-items: center; justify-content: center; border-radius: 50%;
  color: var(--dim); font-size: 15px;
  transition: background var(--transition), color var(--transition), transform 140ms var(--ease-spring);
}
.theme-btn:hover { color: var(--fg); transform: scale(1.08); }
.theme-btn[aria-pressed="true"] { color: var(--bg); background: var(--acid); }
.theme-btn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 1px; }

/* ---------- sekmeler: yapışkan cam hap ("Fluid Island") ---------- */

.tabs {
  display: flex; gap: 2px; flex-wrap: wrap; width: max-content; max-width: 100%;
  justify-content: center; align-items: center;
  margin: 26px auto 0; padding: 4px; border-radius: 999px;
  background: var(--panel);
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  border: 1px solid var(--hairline);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: sticky; top: 12px; z-index: 30;
}
.tabs button {
  font: inherit; letter-spacing: .1em; cursor: pointer;
  background: transparent; color: var(--dim);
  border: none; padding: 8px 16px; border-radius: 999px;
}
.tabs button:hover { color: var(--fg); background: var(--panel-2); }
.tabs button[aria-selected="true"] {
  color: var(--bg); background: var(--acid); font-weight: 700;
}
.tabs button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

main { padding: 0 20px 60px; }
/* Program oluşturucu daha geniş alan kullanır */
main.wrap.wide { max-width: 1500px; }
.view { padding-top: 26px; }

/* Sekme geçişi: görünür olan view hafif yukarı süzülerek girer. */
.view-enter { animation: view-in 420ms var(--ease-out-expo); }
@keyframes view-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* Kaydırma giriş animasyonu — core/reveal.js yönetir. */
body.reveal-ready .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 600ms var(--ease-out-expo), transform 600ms var(--ease-out-expo);
}
body.reveal-ready .reveal.revealed { opacity: 1; transform: none; }

@media (max-width: 640px) {
  .tabs { width: 100%; border-radius: 16px; overflow-x: auto; }
}

/* ---------- konsol / filtreler ---------- */

.console {
  background: var(--panel); border: 1px solid var(--line);
  padding: 16px; display: grid; gap: 14px;
}
.query { display: flex; align-items: center; gap: 10px; }
.sigil { color: var(--acid); font-weight: 700; }
.query input {
  flex: 1; font: inherit; font-size: 16px;
  background: transparent; border: none; color: var(--fg);
  border-bottom: 1px solid var(--line-hot); padding: 6px 2px;
}
.query input::placeholder { color: var(--dimmer); }
.query input:focus { outline: none; border-bottom-color: var(--acid); }

.filters { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; color: var(--dim); }
.filters label { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; }
/* Filtre kutuları: select ve metin girdisi birebir aynı görünüm (renk,
   kenarlık, köşe, yükseklik, padding). */
select, .f-in {
  font: inherit; color: var(--fg);
  background: var(--panel-2);
  border: 1px solid var(--line-hot);
  padding: 5px 10px;
  border-radius: 2px;
  height: 34px;
  box-sizing: border-box;
}
select { max-width: 260px; }
.f-in {
  width: 120px;
  appearance: none;
  -webkit-appearance: none;
  box-shadow: none;
}
.f-in::placeholder { color: var(--dimmer); opacity: 1; }
.f-in:focus { border-color: var(--cyan); }
select:focus-visible, input:focus-visible { outline: 2px solid var(--cyan); outline-offset: 1px; }

/* CLS stabilizasyonu: dönem seçeneği enjeksiyonu genişliği, veri yüklenmesi
   tablo yüksekliğini değiştirip yer kaydırmasın. */
#f-term { min-width: 210px; }
#view-dersler .tablewrap { min-height: 28vh; }
input[type="checkbox"] { accent-color: var(--acid); width: 15px; height: 15px; }

.resultline { color: var(--dim); margin: 16px 0 10px; font-size: 13px; }
.resultline b { color: var(--acid); font-weight: 700; }
.resultline.busy { color: var(--amber); }
.resultline.error, .empty.error { color: var(--red); }

/* Aktif filtre çipleri */
#chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 10px; }
#chips[hidden] { display: none; }
.chip-x {
  font: inherit; cursor: pointer; background: var(--panel); color: var(--cyan);
  border: 1px solid var(--line-hot); padding: 3px 9px; font-size: 12px;
}
.chip-x:hover { color: var(--acid); border-color: var(--acid); }
.chip-x:focus-visible { outline: 2px solid var(--cyan); }

/* Şube sepeti */
.sepet {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--line-hot);
  padding: 8px 12px; margin: 0 0 12px; font-size: 13px;
}
.sepet[hidden] { display: none; }
.sepet #sel-count { color: var(--acid); font-weight: 700; }
.sepet .check { color: var(--dim); font-size: 12px; margin-left: auto; }
.btn-ghost.active { color: var(--acid); border-color: var(--acid); background: var(--panel-2); }

/* Checkbox kolonu */
td.sel, th.sel { width: 30px; text-align: center; }
th.sel input, td.sel input { margin: 0; vertical-align: middle; }

/* ---------- tablo ---------- */

.tablewrap { overflow-x: auto; border: 1px solid var(--line); background: var(--panel); }
table { border-collapse: collapse; width: 100%; min-width: 900px; font-size: 13px; }
thead th {
  position: sticky; top: 0; z-index: 2;
  /* Sticky olduğu için blur izinli; kayan satırlar arkadan buzlu görünür. */
  background: var(--panel-2);
  background: color-mix(in srgb, var(--panel-2) 88%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--dimmer);
  text-align: left; font-weight: 500; letter-spacing: .14em;
  text-transform: uppercase; font-size: 11px;
  padding: 11px 12px; border-bottom: 1px solid var(--hairline-strong); white-space: nowrap;
}
tbody td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
tbody tr { transition: background-color 180ms var(--ease-out-expo); }
tbody tr:hover td { background: var(--row-hover); }
tbody tr.open td { background: var(--row-hover); }
tbody tr:hover td:first-child { box-shadow: inset 2px 0 0 var(--acid); }
.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* Sıralanabilir başlıklar: tıklanabilir alan gerçek buton (a11y) */
.th-sort {
  all: unset; cursor: pointer; display: inline-flex; align-items: center; gap: 4px;
  font: inherit; letter-spacing: inherit; text-transform: inherit; color: inherit;
}
.th-sort:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
th.sortable .th-sort::after { content: " ⇅"; font-size: 9px; opacity: .45; }
th.sortable:hover .th-sort { color: var(--acid); }
th.sortable.sorted .th-sort { color: var(--acid); }
th.sortable.sorted[aria-sort="ascending"] .th-sort::after { content: " ↑"; opacity: 1; }
th.sortable.sorted[aria-sort="descending"] .th-sort::after { content: " ↓"; opacity: 1; }

/* Zaman çizelgesi görünümü */
.tt-note { color: var(--dim); font-size: 12px; margin: 4px 0 10px; }
.tt-note b { color: var(--acid); }
.tt-scroll { overflow-x: auto; border: 1px solid var(--line); background: var(--panel); }
table.tt { min-width: 760px; border-collapse: separate; border-spacing: 2px; }
table.tt th {
  background: var(--panel-2); color: var(--dimmer); font-size: 10px; letter-spacing: .12em;
  text-transform: uppercase; padding: 6px 4px; text-align: center; position: sticky; top: 0; z-index: 2;
}
table.tt th.tt-time { text-align: right; color: var(--dim); padding-right: 8px; white-space: nowrap; }
table.tt td.tt-cell { border: 1px solid var(--line); min-height: 30px; vertical-align: top; }
table.tt td.tt-cell:hover { background: var(--row-hover); }
table.tt td.tt-conflict {
  border-color: var(--red); background: rgba(255, 79, 109, .10);
  box-shadow: inset 0 0 0 1px var(--red);
}
.tt-chip {
  display: block; width: 100%; text-align: left; font: inherit; font-size: 10px; cursor: pointer;
  background: var(--panel-2); color: var(--cyan); border: 1px solid var(--line-hot);
  padding: 1px 4px; margin: 1px 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.tt-chip:hover { color: var(--acid); border-color: var(--acid); }
.tt-chip:focus-visible { outline: 2px solid var(--cyan); }
.tt-conflict-note { color: var(--red); font-size: 12px; margin-top: 10px; }

td.crn { color: var(--dimmer); }
td.code b { color: var(--cyan); font-weight: 700; white-space: nowrap; }
td.code small { display: block; color: var(--dimmer); font-size: 11px; }
td.when { color: var(--dim); white-space: pre-line; }

.row-toggle {
  all: unset; cursor: pointer; display: block; width: 100%;
  color: inherit; font: inherit;
}
.row-toggle:focus-visible { outline: 2px solid var(--cyan); }

.fill { display: inline-flex; align-items: center; gap: 8px; justify-content: flex-end; }
.bar { width: 46px; height: 6px; background: var(--line-hot); position: relative; overflow: hidden; }
.bar i { position: absolute; inset: 0 auto 0 0; background: var(--acid); }
.bar.full i { background: var(--red); }
.bar.tight i { background: var(--amber); }

tr.detail td { background: var(--detail-bg); border-bottom: 1px solid var(--line-hot); }
.detail dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; }
.detail dt { color: var(--dimmer); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.detail dd { margin: 0; color: var(--fg); word-break: break-word; }
.detail .tags { display: flex; flex-wrap: wrap; gap: 4px; }
@media (max-width: 760px) {
  .detail dl { grid-template-columns: 1fr; gap: 2px 0; }
  .detail dd { margin-bottom: 10px; }
}
.detail .tags span {
  border: 1px solid var(--line-hot); color: var(--dim);
  padding: 1px 6px; font-size: 11px; border-radius: 2px;
}

.more {
  display: flex; width: 100%; margin-top: 14px; padding: 12px 20px;
  font: inherit; letter-spacing: .12em; cursor: pointer;
  background: var(--panel); color: var(--acid); border: 1px dashed var(--line-hot);
  border-radius: 999px; align-items: center; justify-content: center; gap: 10px;
}
.more::after {
  content: "↓";
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--panel-2); border: 1px solid var(--hairline);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; color: var(--cyan); line-height: 1;
  transition: transform 180ms var(--ease-spring);
}
.more:hover { border-color: var(--acid); }
.more:hover::after { transform: translateY(2px); }
/* display:flex, hidden özniteliğinin varsayılan display:none'ını ezdiği için gerekli */
.more[hidden] { display: none; }

.empty { padding: 40px 16px; text-align: center; color: var(--dimmer); }

/* ---------- geçmiş ---------- */

/* Eyebrow rozetleri — bölüm etiketleri için mikro hap */
.eyebrow,
.mh,
.pg-detail h4,
.d-progs h4 {
  font-size: 10px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  color: var(--dimmer);
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--hairline);
}
.mh { margin: 22px 0 10px; }
.mh::before { content: "// "; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font: inherit; text-align: left; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line);
  padding: 9px 12px; display: grid; gap: 2px; max-width: 340px;
}
.chip:hover { border-color: var(--acid); background: var(--panel-2); }
.chip:focus-visible { outline: 2px solid var(--cyan); outline-offset: 1px; }
.chip b { color: var(--cyan); font-size: 13px; }
.chip span {
  color: var(--fg); font-size: 12px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.chip em { color: var(--dimmer); font-size: 11px; font-style: normal; }

.hcard {
  margin-top: 26px; border: 1px solid var(--line-hot); background: var(--panel);
}
.hcard h3 {
  margin: 0; padding: 14px 16px; font-size: 15px; letter-spacing: .06em;
  color: var(--acid); border-bottom: 1px solid var(--line);
}
.hcard h3 span { color: var(--fg); font-weight: 400; letter-spacing: 0; }
.hcard .meta { margin: 0; padding: 10px 16px; color: var(--dim); font-size: 12px; }

/* Dönem trend grafiği */
.trend { margin: 0; padding: 6px 16px 0; }
.trend svg { display: block; width: 100%; height: auto; }
.trend figcaption { color: var(--dimmer); font-size: 11px; margin-top: 4px; padding-bottom: 12px; }
.hcard .tablewrap { border: none; border-top: 1px solid var(--line); }
.htable { min-width: 700px; }
.htable td:first-child { color: var(--cyan); white-space: nowrap; min-width: 7em; }
/* Dönem listesi uzun; ders kodunu daraltmasın diye sarmasına izin veriyoruz. */
.htable td:last-child { white-space: normal; }

/* ---------- önşart haritası ---------- */

.pg-console {
  display: flex; gap: 12px; align-items: center; margin-bottom: 10px;
  background: var(--panel); border: 1px solid var(--line); padding: 10px 12px;
}
.pg-program-select { width: 100%; max-width: none; }
.pg-plan-label { color: var(--dimmer); font-size: 11px; white-space: nowrap; }

/* Seviye filtresi: seçili seviyeler vurgulanır, kapalılar soluk kalır. */
.pg-levels { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.pg-level {
  font: inherit; cursor: pointer; background: var(--panel); color: var(--dimmer);
  border: 1px solid var(--line-hot); padding: 4px 10px; font-size: 12px;
  letter-spacing: .06em; opacity: .55;
}
.pg-level:hover { color: var(--cyan); border-color: var(--cyan); opacity: 1; }
.pg-level.active { color: var(--bg); background: var(--acid); border-color: var(--acid); opacity: 1; }
.pg-level:focus-visible { outline: 2px solid var(--cyan); outline-offset: 1px; }

/* Önşart mantık lejantı + branş renk lejantı */
.pg-legend { color: var(--dimmer); font-size: 11px; margin: 0 0 10px; }
.pg-branches {
  display: flex; flex-wrap: wrap; gap: 4px 10px; margin: 0 0 10px;
  color: var(--dimmer); font-size: 11px;
}
.pg-branches:empty { display: none; }
.pg-branch { display: inline-flex; align-items: center; gap: 5px; }
.pg-branch i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.pg-status.busy { color: var(--amber); }

.btn-ghost {
  font: inherit; background: transparent; color: var(--dim);
  border: 1px solid var(--line-hot); padding: 8px 16px; cursor: pointer; white-space: nowrap;
  border-radius: 999px;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-ghost:hover { color: var(--acid); border-color: var(--acid); }

/* Button-in-Button: ikon yuvalanmış dairesinde durur, hover'da kinetik kayar. */
#csv::after, #tt-toggle::after {
  content: "";
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--panel-2); border: 1px solid var(--hairline);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; color: var(--cyan); line-height: 1;
  transition: transform 180ms var(--ease-spring);
}
#csv::after { content: "↓"; }
#tt-toggle::after { content: "▦"; }
.btn-ghost:hover::after { transform: translate(1px, -1px) scale(1.08); }

.pg-results { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.pg-status { color: var(--dim); font-size: 12px; margin: 0 0 10px; }

.pg-canvas-wrap {
  position: relative; border: 1px solid var(--line); background: var(--canvas-bg);
  height: min(72vh, 720px); overflow: hidden;
}
.pg-canvas-wrap canvas { width: 100%; height: 100%; display: block; cursor: grab; touch-action: none; }
.pg-canvas-wrap canvas:active { cursor: grabbing; }

.pg-tooltip {
  position: absolute; pointer-events: none; z-index: 5;
  background: var(--panel-2); border: 1px solid var(--line-hot);
  color: var(--fg); font-size: 12px; padding: 4px 8px; max-width: 260px;
}

.pg-detail {
  margin-top: 16px;
}
.pg-detail h3 {
  margin: 0 0 8px; font-size: 15px; color: var(--acid); letter-spacing: .04em;
}
.pg-detail h3 span { color: var(--fg); font-weight: 400; }
.pg-detail h4 {
  font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--dimmer); margin: 16px 0 8px;
}
.pg-req {
  white-space: pre-wrap; color: var(--dim); background: var(--panel);
  border: 1px solid var(--line); padding: 10px 12px; margin: 0; font-size: 13px;
}
.pg-empty { color: var(--dimmer); font-size: 13px; }

/* Önşart mantık ağacı: VE/VEYA grupları iç içe, biri yeter / hepsi gerekli */
.pg-legend { color: var(--dimmer); font-size: 11px; margin: 0 0 10px; }
.req-tree { list-style: none; margin: 0 0 6px; padding: 0; font-size: 13px; }
.req-tree ul {
  list-style: none; margin: 4px 0 6px; padding-left: 14px;
  border-left: 1px solid var(--line-hot);
}
.req-item { margin: 2px 0; }
.req-op { font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.req-or > .req-op { color: var(--amber); }
.req-and > .req-op { color: var(--cyan); }
.req-code { color: var(--cyan); }
.req-code em { color: var(--dimmer); font-style: normal; font-size: 11px; }
.req-text { color: var(--dim); }

.pg-chip {
  font: inherit; cursor: pointer; background: var(--panel); color: var(--cyan);
  border: 1px solid var(--line-hot); padding: 5px 9px; font-size: 12px;
  display: inline-flex; align-items: baseline; gap: 6px;
}
.pg-chip:hover { border-color: var(--cyan); background: var(--panel-2); }
.pg-chip em { color: var(--dimmer); font-style: normal; font-size: 11px; }
.pg-chips { display: flex; flex-wrap: wrap; gap: 6px; }

/* ---------- takvim ---------- */

.calgroup { margin: 26px 0; border: 1px solid var(--line); background: var(--panel); }
.calgroup h3 {
  margin: 0; padding: 12px 14px; font-size: 12px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--bg); background: var(--acid);
}
.calgroup ol { list-style: none; margin: 0; padding: 0; }
.calgroup li {
  display: grid; grid-template-columns: 1fr 260px 150px; gap: 16px;
  padding: 11px 14px; border-bottom: 1px solid var(--line);
}
.calgroup li:last-child { border-bottom: none; }
.calgroup li.past { color: var(--dimmer); }
.calgroup li .date { color: var(--cyan); }
.calgroup li.past .date { color: var(--dimmer); }
.calgroup li .left { text-align: right; color: var(--dim); font-size: 12px; }
.calgroup li.now { background: var(--now-bg); }
.calgroup li.now .left { color: var(--amber); }
@media (max-width: 760px) {
  .calgroup li { grid-template-columns: 1fr; gap: 4px; }
  .calgroup li .left { text-align: left; }
}

/* ---------- dönemler ---------- */

.termcard {
  display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: center;
  border: 1px solid var(--line); background: var(--panel);
  padding: 16px; margin-bottom: 10px;
}
.termcard h3 { margin: 0 0 6px; font-size: 16px; color: var(--acid); letter-spacing: .06em; }
.termcard .meta { color: var(--dim); font-size: 12px; }
.termcard .links { display: flex; gap: 8px; flex-wrap: wrap; }
.termcard a.btn {
  color: var(--cyan); text-decoration: none; border: 1px solid var(--line-hot);
  padding: 6px 14px; font-size: 12px; letter-spacing: .08em; border-radius: 999px;
}
.termcard a.btn:hover { border-color: var(--cyan); background: var(--panel-2); color: var(--acid); }
.termcard.missing { border-style: dashed; opacity: .65; }
.termcard.missing h3 { color: var(--dimmer); }
.badge {
  font-size: 10px; letter-spacing: .16em; text-transform: uppercase;
  border: 1px solid var(--line-hot); color: var(--dim); padding: 2px 6px; margin-left: 8px;
}
.badge.live { color: var(--bg); background: var(--acid); border-color: var(--acid); }
@media (max-width: 640px) { .termcard { grid-template-columns: 1fr; } }

.note {
  border-left: 2px solid var(--amber); background: var(--panel);
  padding: 12px 16px; color: var(--dim); margin: 0 0 22px;
}
.note strong { color: var(--fg); }

/* ---------- hakkında ---------- */

.prose { max-width: 76ch; }
.prose h2 {
  font-size: 13px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--acid); margin: 30px 0 10px;
}
.prose h2::before { content: "// "; color: var(--dimmer); }
.prose p, .prose li { color: var(--dim); }
.prose code { color: var(--cyan); }
.prose pre {
  background: var(--panel); border: 1px solid var(--line);
  padding: 14px; overflow-x: auto; color: var(--dim);
}
.prose pre .host { color: var(--acid); }
.prose pre .var { color: var(--amber); }

a { color: var(--cyan); }
a:hover { color: var(--acid); }

footer {
  border-top: 1px solid var(--line); padding: 20px;
  color: var(--dimmer); font-size: 12px;
}

/* ---------- detay paneli (modal) ---------- */

.detail-panel {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(3, 5, 4, .72);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 6vh 16px; overflow-y: auto;
  animation: detail-fade 200ms var(--ease-out-expo);
}
.detail-panel[hidden] { display: none; }
@keyframes detail-fade { from { opacity: 0; } to { opacity: 1; } }
.detail-box {
  position: relative; width: min(680px, 100%);
  background: var(--panel); border: 1px solid var(--line-hot);
  padding: 22px 24px; max-height: 86vh; overflow-y: auto;
  animation: detail-in 340ms var(--ease-out-expo);
}
@keyframes detail-in {
  from { opacity: 0; transform: translateY(10px) scale(.985); }
  to { opacity: 1; transform: none; }
}
.detail-close {
  position: absolute; top: 10px; right: 12px; font: inherit; cursor: pointer;
  background: transparent; color: var(--dim); border: none; font-size: 18px; line-height: 1;
}
.detail-close:hover { color: var(--acid); }
.detail-close:focus-visible { outline: 2px solid var(--cyan); }
.detail-box h3 { margin: 0 0 6px; font-size: 17px; color: var(--acid); letter-spacing: .04em; }
.detail-box h3 span { color: var(--fg); font-weight: 400; letter-spacing: 0; }
.d-meta { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.d-pill { border: 1px solid var(--line-hot); color: var(--dim); font-size: 11px; padding: 1px 8px; }

/* Bu dersi alabilen programlar — belirgin, her zaman görünür bölüm */
.d-progs {
  border: 1px solid var(--line-hot); background: var(--panel-2);
  padding: 10px 14px; margin: 0 0 16px;
}
.d-progs h4 {
  margin: 0 0 8px; font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--dimmer);
}
.d-prog-list { display: flex; flex-wrap: wrap; gap: 5px; }
.d-prog {
  border: 1px solid var(--line-hot); color: var(--cyan); padding: 2px 8px;
  font-size: 11px; letter-spacing: .04em;
}
.d-prog-none { color: var(--dim); border-style: dashed; }
.detail-box dl {
  display: grid; grid-template-columns: max-content 1fr; gap: 8px 18px; margin: 0 0 18px;
}
.detail-box dt { color: var(--dimmer); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.detail-box dd { margin: 0; color: var(--fg); word-break: break-word; }
.detail-box .tags { display: flex; flex-wrap: wrap; gap: 4px; }
.detail-box .tags span { border: 1px solid var(--line-hot); color: var(--dim); padding: 1px 6px; font-size: 11px; }
.d-hist { margin-top: 2px; }
body.modal-open { overflow: hidden; }
@media (max-width: 640px) {
  .detail-box dl { grid-template-columns: 1fr; gap: 2px 0; }
  .detail-box dd { margin-bottom: 8px; }
}

/* ---------- program oluşturucu ---------- */

.fav { width: 30px; text-align: center; }
.fav-star {
  all: unset; cursor: pointer; font-size: 15px; color: var(--dimmer);
  transition: transform 140ms var(--ease-spring), color var(--transition);
}
.fav-star:hover { color: var(--amber); transform: scale(1.15); }
.fav-star.on { color: var(--amber); }
.fav-star:focus-visible { outline: 2px solid var(--cyan); border-radius: 3px; }

/* Combobox (şube arama + ekleme) */
.p-results {
  display: flex; flex-direction: column; gap: 2px; margin: 8px 0;
  background: var(--panel); border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-card); padding: 4px; max-height: 320px; overflow-y: auto;
  box-shadow: var(--shadow-soft);
}
.p-results[hidden] { display: none; }
.p-result {
  font: inherit; text-align: left; cursor: pointer; display: grid;
  grid-template-columns: max-content 1fr; gap: 2px 10px; padding: 8px 10px;
  background: transparent; color: var(--fg); border: none; border-radius: 8px;
}
.p-result b { color: var(--cyan); }
.p-result span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.p-result em { grid-column: 1 / -1; color: var(--dim); font-style: normal; font-size: 12px; }
.p-result:hover { background: var(--row-hover); }
.p-result:focus-visible { outline: 2px solid var(--cyan); }

.p-layout { display: grid; grid-template-columns: minmax(300px, 380px) 1fr; gap: 20px; margin-top: 14px; align-items: start; }
.p-panel {
  display: flex; flex-direction: column; gap: 10px;
  background: var(--panel); border: 1px solid var(--hairline);
  border-radius: var(--radius-card); padding: 14px;
  box-shadow: var(--shadow-card); position: sticky; top: 70px; max-height: 80vh; overflow-y: auto;
}
.p-full { color: var(--dim); font-size: 12px; }
.p-list { display: flex; flex-direction: column; gap: 6px; }
.p-item {
  display: grid; grid-template-columns: 14px 54px 1fr auto auto auto; gap: 6px 8px;
  align-items: center; padding: 8px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--panel-2); position: relative;
  cursor: grab; transition: transform 160ms var(--ease-out-expo), border-color var(--transition), box-shadow var(--transition);
}
.p-item:active { cursor: grabbing; }
.p-item.drag { opacity: .5; }
.p-item.over { border-color: var(--acid); box-shadow: var(--shadow-card); }
.p-grip { color: var(--dimmer); font-size: 12px; cursor: grab; letter-spacing: -1px; user-select: none; }
.p-item.p-full { border-color: var(--red); }
.p-crn { color: var(--dimmer); font-size: 11px; }
.p-code b { color: var(--cyan); display: block; }
.p-code small { display: block; color: var(--dim); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 150px; }
.p-when { color: var(--dim); font-size: 11px; white-space: pre-line; }
.p-fill { justify-self: end; }
.p-menu { all: unset; cursor: pointer; color: var(--dimmer); padding: 0 4px; font-size: 16px; }
.p-menu:hover { color: var(--acid); }
.p-menu:focus-visible { outline: 2px solid var(--cyan); }
.p-menu-pop {
  position: absolute; right: 4px; top: 34px; z-index: 6; min-width: 150px;
  background: var(--panel); border: 1px solid var(--hairline-strong);
  border-radius: 8px; padding: 4px; box-shadow: var(--shadow-soft);
  display: flex; flex-direction: column;
}
.p-menu-pop[hidden] { display: none; }
.p-menu-pop button {
  font: inherit; text-align: left; cursor: pointer; background: transparent;
  color: var(--fg); border: none; padding: 7px 10px; border-radius: 6px;
}
.p-menu-pop button:hover { background: var(--row-hover); color: var(--acid); }
.p-menu-pop button:focus-visible { outline: 2px solid var(--cyan); }

.p-summary { font-size: 12px; color: var(--dim); }
.p-summary p { margin: 4px 0; }
.p-warn { color: var(--amber); }
.p-conf { color: var(--red); }
.p-conf-list { margin: 4px 0 0; padding-left: 18px; color: var(--red); font-size: 12px; }

.p-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }

.p-obs-code {
  margin-top: 10px; padding: 10px; background: var(--panel-2);
  border: 1px solid var(--hairline); border-radius: var(--radius-card);
}
.p-obs-code[hidden] { display: none; }
.p-obs-code p { color: var(--dim); font-size: 12px; }
.p-code { overflow-x: auto; }

.p-main { min-width: 0; }
.p-grid { min-width: 0; }

/* Blok çizelge: ders saatleri tek dikdörtgen blok olarak (30dk hücreleri tekrarlanmaz) */
.tt-grid {
  display: grid; grid-template-columns: 56px repeat(7, 1fr); min-width: 720px;
  border-collapse: collapse;
}
.tt-head {
  font-size: 10px; letter-spacing: .12em; text-transform: uppercase; text-align: center;
  color: var(--dimmer); padding: 6px 2px; border-bottom: 1px solid var(--hairline-strong);
  position: sticky; top: 0; z-index: 2; background: var(--panel-2);
}
.tt-corner { background: transparent; border: none; }
.tt-timecol { display: flex; flex-direction: column; }
.tt-timeslot {
  height: 28px; color: var(--dim); font-size: 10px; text-align: right;
  padding-right: 8px; line-height: 28px; border-top: 1px solid var(--line);
}
.tt-day { position: relative; border-left: 1px solid var(--line); }
.tt-block {
  position: absolute; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  border-radius: 6px; padding: 2px 6px; font-size: 11px; text-align: left;
  color: var(--bg); background: var(--cyan); border: 1px solid rgba(0,0,0,.25);
  cursor: pointer; box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
  transition: filter 140ms var(--ease-out-expo), transform 140ms var(--ease-spring);
}
.tt-block:hover { filter: brightness(1.1); transform: scale(1.02); }
.tt-block:focus-visible { outline: 2px solid var(--acid); outline-offset: 1px; }
.tt-block-conf { background: var(--red); }


@media (max-width: 860px) {
  .p-layout { grid-template-columns: 1fr; }
  .p-panel { position: static; max-height: none; }
}

/* ---------- bildirimler (toast) ---------- */
.toasts {
  position: fixed; top: 16px; right: 16px; z-index: 400;
  display: flex; flex-direction: column; gap: 8px; max-width: 320px;
  pointer-events: none;
}
.toast {
  background: var(--panel); color: var(--fg);
  border: 1px solid var(--hairline-strong); border-left: 3px solid var(--cyan);
  border-radius: 8px; padding: 10px 14px; font-size: 13px;
  box-shadow: var(--shadow-soft);
  animation: toast-in 260ms var(--ease-out-expo);
}
.toast-ok { border-left-color: var(--acid); }
.toast-warn { border-left-color: var(--amber); }
.toast-err { border-left-color: var(--red); }
.toast.out { opacity: 0; transform: translateX(8px); transition: opacity 300ms ease, transform 300ms var(--ease-out-expo); }
@keyframes toast-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

/* ---------- statik SEO sayfaları (dersler/, brans/) ---------- */
.seo-stats {
  display: flex; flex-wrap: wrap; gap: 12px 32px;
  border: 1px solid var(--line); background: var(--panel-2);
  padding: 14px 20px; margin: 14px 0; border-radius: 4px;
}
.seo-stats dt { color: var(--dimmer); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.seo-stats dd { color: var(--acid); font-size: 16px; margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; }

.seo-badge {
  display: inline-block; background: var(--acid); color: var(--bg);
  font-size: 11px; padding: 2px 8px; border-radius: 3px;
  text-transform: uppercase; letter-spacing: .1em; margin: 4px 0 12px;
}

.seo-branchlist {
  list-style: none; padding: 0; display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 2px 12px;
}
.seo-branchlist li { display: flex; justify-content: space-between; align-items: baseline; padding: 4px 0; }
.seo-branchlist a { color: var(--cyan); font-weight: 500; }
.seo-branchlist a:hover { color: var(--acid); }
.seo-branchlist span { color: var(--dimmer); font-size: 12px; white-space: nowrap; }

.seo-codes { display: flex; flex-wrap: wrap; gap: 4px 8px; }
.seo-codes code {
  background: var(--panel-2); border: 1px solid var(--hairline);
  padding: 2px 6px; font-size: 12px; border-radius: 2px;
}

.seo-table { width: 100%; border-collapse: collapse; margin: 12px 0; }
.seo-table th { text-align: left; color: var(--dimmer); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; padding: 6px 10px; border-bottom: 1px solid var(--line); }
.seo-table td { padding: 5px 10px; border-bottom: 1px solid var(--hairline); }
.seo-table a { color: var(--cyan); }

.crumb { color: var(--dimmer); font-size: 13px; margin-bottom: 8px; }
.crumb a { color: var(--dim); }

.lead { color: var(--fg); font-size: 15px; margin: 6px 0 12px; max-width: 640px; }

.cta { margin: 10px 0 16px; }

.data-link { color: var(--dimmer); font-size: 13px; margin-top: 20px; }
.data-link a { color: var(--dim); }

.masthead h1 a { color: inherit; text-decoration: none; }
.masthead h1 a:hover { color: var(--cyan); }

.seo-spark-wrap { display: inline-flex; align-items: center; gap: 6px; margin-right: 16px; }
.seo-spark-wrap code { font-size: 10px; color: var(--dimmer); background: var(--panel-2); padding: 1px 4px; border-radius: 2px; }
.seo-spark { vertical-align: middle; border: 1px solid var(--hairline); border-radius: 2px; }
.seo-spark-line { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; }