/* kutuphane-raf.css — Kütüphane (/kutuphane, Ders Notları sekmesi) "Dijital Raf" 3D not rafı.
 * JS (js/kutuphane-raf.js) sahne renklerini bu token'lardan getComputedStyle ile okur;
 * JS içinde sabit renk yok. Raf yalnız Kütüphane sayfasında; profil "Kütüphanem" kart
 * listesi olarak kalır (library-cards.js ortak, ona dokunulmaz). */

:root,
[data-theme="ocean"], [data-theme="day"], [data-theme="forest"], [data-theme="energy"] {
  --kraf-wood-1: #b98a5e;
  --kraf-wood-2: #9a6d45;
  --kraf-wood-dark: #6e4a2c;
  --kraf-paper: #f6f1e4;
  --kraf-paper-line: #ddd3bd;
  --kraf-wall-1: var(--color-surface);
  --kraf-wall-2: var(--color-surface-2);
  --kraf-shadow: rgba(15, 23, 42, 0.28);
  --kraf-ink-dark: #10202b;
  --kraf-ink-light: #ffffff;
  --kraf-bezel: #1d2632;
  --kraf-pot: #f4f1ec;
  --kraf-soil: #5b4636;
  --kraf-dim: #0d1620;
  --kraf-dim-alpha: 0.42;
  --kraf-wash-alpha: 0.18;   /* raf altı ışık: kart zeminini boyamasın */
  --kraf-metal: #c9d2db;
}
[data-theme="dark"], [data-theme="night"] {
  --kraf-wood-1: #6b4c33;
  --kraf-wood-2: #533924;
  --kraf-wood-dark: #36241a;
  --kraf-paper: #d9d2c2;
  --kraf-paper-line: #b3aa96;
  --kraf-wall-1: var(--color-surface);
  --kraf-wall-2: var(--color-surface-2);
  --kraf-shadow: rgba(0, 0, 0, 0.6);
  --kraf-ink-dark: #10202b;
  --kraf-ink-light: #ffffff;
  --kraf-bezel: #0a0e13;
  --kraf-pot: #2b323c;
  --kraf-soil: #2a2019;
  --kraf-dim: #000000;
  --kraf-dim-alpha: 0.55;
  --kraf-wash-alpha: 0.32;
  --kraf-metal: #4a5361;
}

/* ---------- Bölüm: içerik sütununda bir KART (Video Dersler kartlarıyla aynı dil) ---------- */
.kraf {
  margin: 8px 0 20px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-surface);
  overflow: hidden;
}
.kraf-bar {
  display: flex; align-items: center; gap: 10px; flex-wrap: nowrap;
  padding: 12px;
  border-bottom: 1px solid var(--color-border);
}
/* Filtreler sitenin hap seçicisi (.lib-tabs/.lib-tab, video.css) — burada yalnız yerleşim */
.kraf-chips { flex: 0 1 auto; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.kraf-chips::-webkit-scrollbar { display: none; }
.kraf-viewwrap { margin-left: auto; flex: 0 0 auto; }
.kraf-mine .material-symbols-outlined { color: var(--color-success); }
.lib-tab.kraf-mine.is-active { background: var(--color-success); color: var(--on-accent); }
.lib-tab.kraf-mine.is-active .material-symbols-outlined { color: var(--on-accent); }

.kraf-legend {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.8rem; font-weight: 600; color: var(--color-text-muted);
}
.kraf-legend span { display: inline-flex; align-items: center; gap: 4px; }
.kraf-legend .material-symbols-outlined { font-size: 17px; }
.kraf-legend .own .material-symbols-outlined { color: var(--color-success); }
@media (max-width: 760px) { .kraf-legend { display: none; } }
@media (max-width: 520px) {
  .kraf-bar { padding: 10px; gap: 8px; }
  .kraf-view .kraf-view-txt { display: none; }      /* telefonda yalnız simge */
  .kraf-view { padding: 8px 10px; }
}

/* ---------- Sahne: içerik boyunda, sayfayla birlikte kayar ---------- */
.kraf-track { position: relative; }
.kraf-stage {
  position: relative; width: 100%; outline: none;
  touch-action: pan-y;                     /* dikey kaydırma sayfaya; dokunma = tıklama */
  background: var(--kraf-wall-2);
}
.kraf-stage canvas { display: block; width: 100%; height: 100%; }
.kraf-stage:focus-visible { box-shadow: inset 0 0 0 3px var(--primary-500); }

/* Liste görünümü seçildiğinde raf gizlenir, kart listesi görünür */
.kraf.is-list .kraf-track, .kraf.is-list .kraf-chips, .kraf.is-list .kraf-legend { display: none; }
.kraf.is-list { border: 0; background: transparent; border-radius: 0; margin-bottom: 4px; overflow: visible; }
.kraf.is-list .kraf-bar { justify-content: flex-end; border: 0; padding: 0; }

/* Önizleme açıkken: kaydırma JS ile yutulur (overflow:hidden yapışkan sahneyi bozar).
   "Yukarı çık" düğmesi panelin üstüne binmesin. */
html.kraf-lock { overscroll-behavior: none; }
html.kraf-lock #back-to-top-btn { visibility: hidden; }

/* ---------- Detay paneli (body'ye eklenir; main'deki transform fixed'i bozmasın) ---------- */
.kraf-detail {
  position: fixed; z-index: 150; right: 16px; bottom: 16px; width: min(360px, calc(100vw - 32px));
  background: var(--color-surface); color: var(--color-text);
  border-radius: 18px; padding: 16px;
  box-shadow: 0 20px 50px var(--kraf-shadow);
  border: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
  transform: translateY(20px); opacity: 0; pointer-events: none; visibility: hidden;
  transition: transform .25s ease, opacity .25s ease, visibility 0s linear .25s;
}
.kraf-detail.is-open { transform: none; opacity: 1; pointer-events: auto; visibility: visible; transition: transform .25s ease, opacity .25s ease; }
.kraf-detail h2 { font-size: 16px; margin: 4px 0 6px; line-height: 1.3; }
.kraf-detail .d-head { display: flex; gap: 6px; flex-wrap: wrap; }
.kraf-detail .d-badge {
  display: inline-flex; align-items: center; gap: 3px;
  font-size: 11px; font-weight: 800; padding: 2px 8px; border-radius: 999px;
  background: color-mix(in srgb, var(--primary-500) 18%, transparent); color: var(--color-text);
}
.kraf-detail .d-badge.lock { background: var(--neutral-800); color: var(--color-surface); }
.kraf-detail .d-badge .material-symbols-outlined { font-size: 14px; }
.kraf-detail .d-meta { font-size: 12.5px; color: var(--color-text-soft); line-height: 1.55; }
.kraf-detail .d-desc { font-size: 13px; color: var(--color-text-soft); line-height: 1.5; margin: 6px 0 0;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.kraf-detail .d-sample {
  margin-top: 10px; padding: 8px 10px; border-radius: 10px; font-size: 13px; line-height: 1.45;
  background: color-mix(in srgb, var(--primary-500) 12%, transparent);
}
.kraf-detail .d-sample b { font-weight: 800; }
.kraf-detail .d-sample .cap { color: var(--color-text-soft); }
.kraf-detail .d-actions { display: flex; gap: 8px; margin-top: 14px; }
.kraf-detail .d-btn {
  flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-weight: 800; font-size: 14px;
  padding: 10px; border-radius: 12px; cursor: pointer; border: 0;
  background: var(--primary-500); color: var(--on-primary);
}
.kraf-detail .d-btn .material-symbols-outlined { font-size: 19px; }
.kraf-detail .d-btn.ghost { flex: 0 0 auto; padding: 10px 14px; background: transparent; color: var(--color-text-soft);
  border: 1px solid color-mix(in srgb, var(--color-text) 18%, transparent); }
.kraf-detail .d-btn:focus-visible { outline: 3px solid var(--primary-500); outline-offset: 2px; }
.kraf-detail .d-tip { margin: 10px 0 0; font-size: 12px; color: var(--color-text-muted); display: flex; align-items: center; gap: 5px; }
.kraf-detail .d-tip .material-symbols-outlined { font-size: 16px; }
@media (max-width: 600px) {
  .kraf-detail { right: 8px; left: 8px; bottom: 8px; width: auto; }
}

/* ---------- Bildirim ---------- */
.kraf-toast {
  position: fixed; z-index: 160; left: 50%; bottom: 24px; transform: translate(-50%, 12px);
  width: min(440px, calc(100vw - 24px));
  display: flex; align-items: center; gap: 10px;
  background: var(--color-surface); color: var(--color-text);
  border: 1px solid color-mix(in srgb, var(--primary-500) 45%, transparent);
  box-shadow: 0 16px 40px var(--kraf-shadow);
  border-radius: 14px; padding: 11px 13px; font-size: 13.5px; line-height: 1.4;
  opacity: 0; pointer-events: none; visibility: hidden;
  transition: opacity .2s ease, transform .2s ease, visibility 0s linear .2s;
}
.kraf-toast.is-on { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; visibility: visible; transition: opacity .2s ease, transform .2s ease; }
.kraf-toast > .material-symbols-outlined { color: var(--primary-600); font-size: 22px; }
.kraf-toast a { margin-left: auto; flex: 0 0 auto; font-weight: 800; text-decoration: none; white-space: nowrap;
  padding: 7px 11px; border-radius: 10px; background: var(--primary-500); color: var(--on-primary); }

@media (prefers-reduced-motion: reduce) {
  .kraf-detail, .kraf-detail.is-open, .kraf-toast, .kraf-toast.is-on { transition: none; }
}