/* =====================================================================
   Discere — Apple tasarım dili
   Tek mavi aksan (#0066cc), sessiz krom, SF Pro tipografisi, pill CTA'lar,
   tek ürün gölgesi, scale(0.95) basma. Fonksiyonel kırmızı (mute/kapat/DUR)
   ve çizim renkleri semantik istisnadır — marka dekoru değil.
   ===================================================================== */

:root {
  /* --- Aksan (tek marka rengi) --- */
  --primary: #0066cc;          /* Action Blue: her etkileşim */
  --primary-focus: #0071e3;    /* Klavye odak halkası */
  --primary-on-dark: #2997ff;  /* Koyu yüzeyde link */

  /* --- Yüzeyler --- */
  --canvas: #ffffff;
  --parchment: #f5f5f7;
  --pearl: #fafafc;
  --tile-1: #272729;
  --tile-2: #2a2a2c;
  --tile-3: #252527;
  --black: #000000;
  --chip: rgba(210, 210, 215, 0.64);      /* foto üstü kontrol çipi */
  --frost: rgba(245, 245, 247, 0.82);     /* frosted parchment bar */
  --frost-dark: rgba(0, 0, 0, 0.42);      /* koyu video üstü çip */

  /* --- Metin --- */
  --ink: #1d1d1f;
  --on-dark: #ffffff;
  --body-muted: #cccccc;
  --ink-80: #333333;
  --ink-48: #7a7a7a;

  /* --- Hairline --- */
  --divider-soft: rgba(0, 0, 0, 0.04);
  --hairline: #e0e0e0;
  --hairline-strong: rgba(0, 0, 0, 0.08);

  /* --- Fonksiyonel semantik (marka değil) --- */
  --danger: #ff3b30;

  /* --- Gölge: sistemdeki TEK gölge (ürün fotoğrafı için) --- */
  --product-shadow: 3px 5px 30px 0 rgba(0, 0, 0, 0.22);

  /* --- Radius ölçeği --- */
  --r-sm: 8px;
  --r-md: 11px;
  --r-lg: 18px;
  --r-pill: 9999px;

  /* --- Tipografi --- */
  --font-display: "SF Pro Display", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", Inter, sans-serif;
  --font-text: "SF Pro Text", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Inter, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

.gizli {
  display: none !important;
}

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-text);
  background: var(--black);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.47;
  letter-spacing: -0.374px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.app {
  position: fixed;
  inset: 0;
}

/* Tüm butonlarda sistem-geneli basma mikro-etkileşimi */
button {
  font-family: inherit;
}
button:active {
  transform: scale(0.95);
}

/* Apple odak halkası */
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
label:focus-visible {
  outline: 2px solid var(--primary-focus);
  outline-offset: 2px;
}

/* ===================== Sahne ve video kartları ===================== */
/* Video = "true void": düz siyah, gradient yok. */
.stage {
  position: absolute;
  inset: 0;
  background: var(--black);
}

.video-tile {
  position: absolute;
  overflow: hidden;
  background: var(--tile-1);
}

.video-tile video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Yalnızca kendi görüntümüz ayna */
#yerelVideo {
  transform: scaleX(-1);
}
#yerelVideo.ayna-kapali {
  transform: none;
}

/* Ana (büyük) kart: tüm sahneyi kaplar */
.video-tile.main {
  inset: 0;
  z-index: 1;
}

/* Küçük yüzen kart (PiP) — sistemin tek gölgesini taşır (yüzeye "yaslanır")
   Varsayılan: kameranın GERÇEK en-boy oranı. --pip-oran / --pip-oran-sayi
   JS tarafından akışın videoWidth/videoHeight değerinden yazılır; böylece
   küçük kartta da kadraj kırpılmaz. Genişlik --pip-boy-max ile sınırlanır ki
   dikey (mobil) akışlarda kart aşırı uzamasın. */
.video-tile.pip {
  z-index: 6;
  --pip-boy-max: 200px;
  width: min(
    clamp(180px, 28vw, 340px),
    calc(var(--pip-boy-max) * var(--pip-oran-sayi, 1.7778))
  );
  aspect-ratio: var(--pip-oran, 16 / 9);
  right: 22px;
  bottom: 128px;
  border-radius: var(--r-lg);
  box-shadow: var(--product-shadow);
  cursor: pointer;
  transition: transform 0.22s ease;
}

.video-tile.pip:hover {
  transform: scale(1.035);
}

/* Kamera kapalıyken gösterilen boş durum — düz yüzey, gradient yok */
.tile-bos {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--tile-2);
  color: var(--body-muted);
  font-size: 14px;
  letter-spacing: -0.224px;
}

.video-tile.kapali .tile-bos {
  display: flex;
}

.video-tile.kapali video {
  visibility: hidden;
}

.tile-bos .avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.video-tile.pip .tile-bos {
  font-size: 12px;
}
.video-tile.pip .tile-bos .avatar {
  width: 44px;
  height: 44px;
  font-size: 1.3rem;
}

/* Video üstü etiket çipi — koyu translucent çip, sm radius */
.tile-etiket {
  position: absolute;
  bottom: 12px;
  left: 14px;
  background: var(--frost-dark);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--on-dark);
  padding: 4px 11px;
  border-radius: var(--r-sm);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -0.12px;
  z-index: 2;
}

.video-tile.pip .tile-etiket {
  bottom: 8px;
  left: 8px;
  font-size: 11px;
  padding: 2px 8px;
}

/* Video üstü yuvarlak kontrol (tam ekran / pip toggle) = button-icon-circular */
.tile-buton {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: var(--frost-dark);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--on-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.18s, transform 0.18s;
  z-index: 3;
}

.video-tile:hover .tile-buton {
  opacity: 1;
  transform: translateY(0);
}
.tile-buton:active {
  transform: scale(0.95);
}

.tile-buton svg {
  width: 18px;
  height: 18px;
}

.video-tile.pip .tile-buton {
  display: none;
}

/* Portre/Yatay toggle: yalnızca pip modunda sol üstte görünür */
.video-tile.pip .tile-buton.pip-mod-toggle {
  display: flex;
  top: 8px;
  left: 8px;
  right: auto;
  width: 32px;
  height: 32px;
  opacity: 0;
  transform: translateY(-4px);
}
.video-tile.pip:hover .tile-buton.pip-mod-toggle {
  opacity: 1;
  transform: translateY(0);
}
.video-tile.pip .tile-buton.pip-mod-toggle svg {
  width: 14px;
  height: 14px;
}

/* Portre (3:4) pip modu — kadraj kırpılarak dikey karta sığdırılır */
.video-tile.pip.portre {
  aspect-ratio: 3 / 4;
  width: clamp(120px, 20vw, 230px);
}

/* Görüşme başlamadan karşı taraf kartı gizli */
.app:not(.bagli) #tileUzak {
  display: none;
}

/* ===================== Üst bilgi çubuğu (floating frosted bar) ===================== */
.topbar {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 12px;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}

.app.bagli .topbar {
  opacity: 1;
  pointer-events: auto;
}

.durum-rozet,
.oda-kod {
  display: flex;
  align-items: center;
  gap: 9px;
  background: var(--frost);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-pill);
  padding: 9px 16px;
  color: var(--ink);
  font-size: 14px;
  letter-spacing: -0.224px;
}

.nokta {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-48);
}
.nokta.bagli {
  background: var(--primary);
}

.oda-kod .kod-etiket {
  color: var(--ink-48);
}
.oda-kod strong {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Linki Kopyala = küçük mavi pill CTA */
.kopya {
  border: none;
  background: var(--primary);
  color: var(--on-dark);
  border-radius: var(--r-pill);
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: -0.12px;
  cursor: pointer;
}

/* ===================== Lobi (tam sayfa Apple hero) ===================== */
.lobby {
  position: absolute;
  inset: 0;
  z-index: 20;
  background: var(--parchment);
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  display: flex;
  flex-direction: column;
}

.app.bagli .lobby {
  display: none;
}

/* Lobide sahne kromu gizli (dock + saat marketing sayfasına ait değil;
   tüm kontroller görüşme içinde tam mevcut) */
.app:not(.bagli) .dock,
.app:not(.bagli) .saat-kapsam {
  display: none;
}

/* --- Üst çubuk --- */
.lobby-ust {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 40px;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
}
.lobby-marka {
  display: flex;
  align-items: center;
  gap: 10px;
}
.lobby-marka-logo {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--ink);
  color: var(--on-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}
.lobby-marka-logo svg {
  width: 18px;
  height: 18px;
}
.lobby-marka-ad {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.4px;
  color: var(--ink);
}

/* --- Hero: başlık + canlı önizleme (sol) / heykel + giriş kartı (sağ) --- */
.lobby-hero {
  position: relative;
  flex: 0 0 auto;
  min-height: calc(100vh - 65px);
  display: flex;
  align-items: center;
  justify-content: center;
  /* Sağ taraf heykele ayrılır; kalan alanda önizleme+kart yatayda ortalanır */
  padding: 40px clamp(420px, 42vw, 900px) 40px 40px;
  max-width: none;
  width: 100%;
  margin: 0;
  overflow: visible;
}

/* --- Ortalanan küme: dev başlık + (önizleme + giriş kartı) --- */
.lobby-hero-orta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 28px;
  z-index: 1;
}

/* Önizleme ve giriş kartı yan yana */
.lobby-hero-satir {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.4vw, 40px);
  flex-wrap: wrap;
}

.lobby-hero-baslik h1 {
  font-family: var(--font-display);
  font-size: 94px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 10px;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0;
}
.lobby-hero-baslik .marka-ust {
  display: block;
  margin-top: 10px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--ink-48);
}

/* Canlı kamera önizlemesi — sistemin tek gölgesini taşır */
.lobby-onizleme-sar {
  width: clamp(300px, 30vw, 480px);
  flex: 0 0 auto;
  aspect-ratio: 4 / 3;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: #170d17;
  position: relative;
  box-shadow: var(--product-shadow);
}
#lobbyOnizleme {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scaleX(-1);
}
.lobby-onizleme-bos {
  position: absolute;
  inset: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 20px;
  text-align: center;
  color: var(--body-muted);
  transition: background 0.15s;
}
.lobby-onizleme-bos:hover {
  background: rgba(255, 255, 255, 0.04);
}
.onizleme-bos-ikon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.09);
  color: var(--on-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}
.onizleme-bos-ikon svg {
  width: 28px;
  height: 28px;
}
#onizlemeBosYazi {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--on-dark);
  max-width: 280px;
  line-height: 1.35;
}
.onizleme-bos-alt {
  font-size: 13px;
  letter-spacing: -0.12px;
  color: var(--body-muted);
}
/* Canlı kamera görüntüsü aktifken fallback gizlenir (kamera kapanınca döner) */
.lobby-onizleme-sar.onizleme-aktif .lobby-onizleme-bos {
  display: none;
}

/* Referans tasarımda önizleme kutusu düz koyu bir dikdörtgen: büyük ikon/metin yok,
   yalnızca alttaki mic/kamera çipleri görünür */
.onizleme-bos-ikon,
#onizlemeBosYazi,
.onizleme-bos-alt {
  display: none;
}

/* Önizleme mic/kamera kontrolleri (foto üstü translucent çip) */
.onizleme-kontrol {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 2;
}
.onizleme-btn {
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--chip);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.onizleme-btn:active {
  transform: scale(0.92);
}
.onizleme-btn svg {
  width: 20px;
  height: 20px;
}
.onizleme-btn .ikon-kapali {
  display: none;
}
.onizleme-btn.kapali {
  background: var(--danger);
  color: var(--on-dark);
}
.onizleme-btn.kapali .ikon-acik {
  display: none;
}
.onizleme-btn.kapali .ikon-kapali {
  display: flex;
}

/* squircle logomark (önizleme fallback) */
.marka-logo {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--on-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}
.marka-logo svg {
  width: 34px;
  height: 34px;
}

/* Heykel: aynalanmış (yüzler sola bakar), büyük, yukarı taşınmış;
   tabanı siyah özellik paneliyle bitişik (bottom:0 = hero alt kenarı) */
.lobby-hero-heykel {
  position: absolute;
  top: -70px;
  bottom: 0;
  right: 0;
  width: clamp(460px, 46vw, 1080px);
  background: url("assets/discere-hero.webp") no-repeat;
  background-position: left calc(100% + 70px);
  background-size: contain;
  transform: scaleX(-1);
  pointer-events: none;
  z-index: 0;
}

/* Giriş kartı --- önizlemenin yanında yüzen tek beyaz kart */
.lobby-card {
  position: relative;
  z-index: 2;
  flex: 0 0 auto;
  width: clamp(320px, 24vw, 420px);
  text-align: left;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  box-shadow: var(--product-shadow);
  padding: 32px 28px;
}

/* --- Özellik paneli (siyah) --- */
.lobby-ozellikler {
  background: var(--black);
  padding: 64px 40px;
}
.lobby-ozellikler-ic {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  gap: 72px;
  flex-wrap: wrap;
  align-items: flex-start;
}
.lobby-ozellikler-baslik {
  flex: 1;
  min-width: 280px;
  max-width: 420px;
}
.lobby-ozellikler-baslik h2 {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -0.5px;
  line-height: 1.1;
  color: var(--on-dark);
  margin: 0 0 16px;
}
.lobby-ozellikler-baslik p {
  color: var(--body-muted);
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: 0;
}
.lobby-ozellik-grid {
  flex: 2;
  min-width: 320px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 28px;
}
.lobby-ozellik {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}
.lobby-ozellik-ikon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--tile-1);
  color: var(--on-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}
.lobby-ozellik-ikon svg {
  width: 22px;
  height: 22px;
}
.lobby-ozellik-ad {
  color: var(--on-dark);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.2px;
  margin-bottom: 3px;
}
.lobby-ozellik-metin {
  color: var(--body-muted);
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: 0;
}

/* --- Footer --- */
.lobby-footer {
  background: var(--black);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.lobby-footer > span {
  color: var(--ink-48);
  font-size: 12px;
  letter-spacing: -0.12px;
}
.lobby-footer-linkler {
  display: flex;
  gap: 20px;
}
.lobby-footer-link {
  background: none;
  border: none;
  color: var(--ink-48);
  font-size: 12px;
  letter-spacing: -0.12px;
  cursor: pointer;
  padding: 0;
  transition: color 0.15s;
}
.lobby-footer-link:hover {
  color: var(--body-muted);
}

/* --- Yasal metin modalı --- */
.yasal-katman {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.yasal-katman.gizli {
  display: none;
}
.yasal-modal {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  width: min(560px, 100%);
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.yasal-baslik {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.4px;
  color: var(--ink);
  flex-shrink: 0;
}
.yasal-kapat {
  border: none;
  background: transparent;
  color: var(--ink-48);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--r-sm);
}
.yasal-kapat:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--ink);
}
.yasal-icerik {
  padding: 24px;
  overflow-y: auto;
}
.yasal-bolum.gizli {
  display: none;
}
.yasal-bolum p {
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: -0.2px;
  color: var(--ink-80);
}
.yasal-bolum ul {
  padding-left: 20px;
  margin: 14px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.yasal-bolum li {
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: -0.2px;
  color: var(--ink-80);
}
.yasal-bolum strong {
  color: var(--ink);
  font-weight: 600;
}
.yasal-not {
  margin-top: 16px;
  color: var(--ink-48) !important;
  font-size: 13px !important;
}

/* button-primary: mavi pill */
.birincil {
  width: 100%;
  border: none;
  background: var(--primary);
  color: var(--on-dark);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -0.374px;
  padding: 12px 22px;
  border-radius: var(--r-pill);
  cursor: pointer;
}

/* Bölüm ayracı: hairline + ortada etiket */
.ayrac {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-48);
  font-size: 14px;
  letter-spacing: -0.224px;
  margin: 28px 0 20px;
}
.ayrac::before,
.ayrac::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--hairline);
}

.katil-satir {
  display: flex;
  gap: 8px;
}

/* search-input grammar: beyaz, ince sınır, pill */
.katil-satir input {
  flex: 1;
  min-width: 0;
  background: var(--canvas);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-pill);
  padding: 12px 20px;
  color: var(--ink);
  font-size: 17px;
  letter-spacing: -0.374px;
  transition: border-color 0.15s;
}
.katil-satir input:focus {
  border-color: var(--primary);
}
.katil-satir input::placeholder {
  color: var(--ink-48);
}

/* Katıl = mavi pill CTA */
.katil-satir button {
  border: none;
  background: var(--primary);
  color: var(--on-dark);
  font-weight: 400;
  font-size: 17px;
  letter-spacing: -0.374px;
  padding: 0 22px;
  border-radius: var(--r-pill);
  cursor: pointer;
}

.ipucu {
  color: var(--ink-48);
  font-size: 12px;
  letter-spacing: -0.12px;
  margin-top: 24px;
  line-height: 1.4;
}

.metin-buton {
  background: transparent;
  border: none;
  color: var(--primary);
  font-size: 14px;
  letter-spacing: -0.224px;
  padding: 8px;
  margin-top: 8px;
  cursor: pointer;
}

.yetki-notu {
  margin-top: 14px;
  font-size: 14px;
  letter-spacing: -0.224px;
  color: var(--ink-48);
}

/* Google giriş butonu = pearl capsule (md radius, hairline halka) */
.google-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  background: var(--pearl);
  color: var(--ink-80);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 13px 16px;
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -0.374px;
  cursor: pointer;
}
.g-logo {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Öğretmen giriş yaptığında "hoş geldin" satırı */
.hosgeldin {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  letter-spacing: -0.224px;
  color: var(--ink-48);
  margin-bottom: 16px;
}
.hosgeldin #kullaniciAdi {
  font-weight: 600;
  color: var(--ink);
}
.hosgeldin .metin-buton {
  margin-top: 0;
}

/* Giriş hata satırı (fonksiyonel) */
.auth-hata {
  margin-top: 16px;
  font-size: 14px;
  letter-spacing: -0.224px;
  color: var(--danger);
  line-height: 1.45;
}

/* ===================== Kontrol çubuğu (dock — floating frosted) ===================== */
.dock {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 30;
  display: flex;
  gap: 12px;
  padding: 10px 14px;
  background: var(--frost);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-pill);
}

/* button-icon-circular: 52px, sessiz, ink ikon */
.yuvarlak {
  position: relative;
  width: 52px;
  height: 52px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.yuvarlak:hover {
  background: rgba(0, 0, 0, 0.05);
}
.yuvarlak:active {
  transform: scale(0.95);
}

.yuvarlak svg {
  width: 24px;
  height: 24px;
}

.ikon {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Kapalı durum (mic/kamera off): ink dolu daire, beyaz ikon */
.ikon-kapali {
  display: none;
}
.yuvarlak.kapali {
  background: var(--ink);
  color: var(--on-dark);
}
.yuvarlak.kapali:hover {
  background: var(--ink);
}
.yuvarlak.kapali .ikon-acik {
  display: none;
}
.yuvarlak.kapali .ikon-kapali {
  display: flex;
}

/* Ekran paylaşımı etkin = mavi (action) */
.yuvarlak.aktif {
  background: var(--primary);
  color: var(--on-dark);
}
.yuvarlak.aktif:hover {
  background: var(--primary);
}

/* Fonksiyonel kırmızı: görüşmeden çık / DUR (semantik istisna) */
.yuvarlak.tehlike {
  background: var(--danger);
  color: var(--on-dark);
}
.yuvarlak.tehlike:hover {
  background: var(--danger);
}

/* Görüşmeye özel butonlar lobide gizli */
.app:not(.bagli) .sadece-gorusme {
  display: none;
}

/* Öğretmene özel butonlar öğrenciye gizli */
.app:not(.ogretmen) .sadece-ogretmen {
  display: none;
}

.dur-ikon {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* Okunmamış mesaj rozeti (fonksiyonel bildirim) */
.rozet {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--danger);
  border: 2px solid var(--parchment);
  display: none;
}
.rozet.var {
  display: block;
}

/* ===================== Beyaz tahta ===================== */
/* Katman = koyu odak (lightbox); sayfa beyaz ve tek gölgeyi taşır */
.tahta-katman {
  position: absolute;
  inset: 0;
  z-index: 15;
  background: var(--tile-1);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow: auto;
}
.tahta-katman.acik {
  display: flex;
}

.tahta-katman.yakin {
  align-items: flex-start;
  justify-content: flex-start;
}

.tahta-icerik {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

/* Belgenin en-boy oranında ortalanmış sayfa — sistemin tek gölgesi */
.tahta-sayfa {
  position: relative;
  flex-shrink: 0;
  background: var(--canvas);
  border-radius: var(--r-sm);
  box-shadow: var(--product-shadow);
  overflow: hidden;
  transform-origin: top left;
}

.tahta-arka {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: none;
}
.tahta-arka.var {
  display: block;
}

.tahta-cizim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.tahta-cizim.ust {
  pointer-events: auto;
  cursor: crosshair;
  touch-action: none;
}

/* Araç çubuğu = frosted parchment sub-nav pill */
.tahta-araclar {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 9px 14px;
  max-width: min(820px, 94vw);
  background: var(--frost);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-pill);
}

.kalinlik-kaydirici {
  width: 90px;
  accent-color: var(--primary);
  cursor: pointer;
}

.zoom-kontrol {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Çizim renk kuyruğu (içerik rengi — dokunulmaz) */
.tahta-araclar .renk {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--r);
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s;
}
.tahta-araclar .renk:hover {
  transform: scale(1.12);
}
.tahta-araclar .renk.secili {
  border-color: var(--canvas);
  box-shadow: 0 0 0 2px var(--primary);
}

.ayrac-dik {
  width: 1px;
  height: 24px;
  background: var(--hairline-strong);
}

/* Toolbar butonları = sessiz ink pill */
.tahta-araclar .arac {
  border: none;
  background: transparent;
  color: var(--ink);
  border-radius: var(--r-pill);
  padding: 8px 14px;
  font-size: 14px;
  letter-spacing: -0.224px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.tahta-araclar .arac:hover {
  background: rgba(0, 0, 0, 0.05);
}
.tahta-araclar .arac.aktif {
  background: var(--primary);
  color: var(--on-dark);
}
.tahta-araclar .arac.kapat:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--danger);
}
.tahta-araclar .arac:disabled {
  opacity: 0.4;
  cursor: default;
  pointer-events: none;
}

/* Belge yükle = mavi pill (birincil eylem) */
.tahta-araclar .yukle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--primary);
  color: var(--on-dark);
}
.tahta-araclar .yukle:hover {
  background: var(--primary);
  color: var(--on-dark);
}

.sayfa-gezinme {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.sayfa-gezinme[hidden] {
  display: none;
}
.tahta-araclar .mini-arac {
  padding: 6px 12px;
  font-weight: 600;
}
.sayfa-bilgi {
  font-size: 14px;
  letter-spacing: -0.224px;
  color: var(--ink-48);
  min-width: 42px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* ===================== Ders Çıktıları Paneli (beyaz) ===================== */
.ciktilar-panel {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 340px;
  max-width: 86vw;
  z-index: 25;
  display: flex;
  flex-direction: column;
  background: var(--canvas);
  border-right: 1px solid var(--hairline);
  transform: translateX(-100%);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}
.ciktilar-panel.acik {
  transform: translateX(0);
}

.ciktilar-baslik {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.231px;
  color: var(--ink);
  border-bottom: 1px solid var(--hairline);
  flex-shrink: 0;
}
.ciktilar-baslik-saglar {
  display: flex;
  align-items: center;
  gap: 4px;
}
.ciktilar-baslik button {
  border: none;
  background: transparent;
  color: var(--ink-48);
  cursor: pointer;
  padding: 6px 8px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.ciktilar-baslik button:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--ink);
}

.ciktilar-liste {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cikti-bos {
  color: var(--ink-48);
  font-size: 14px;
  letter-spacing: -0.224px;
  text-align: center;
  padding: 24px 0;
}

.cikti-madde {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--parchment);
  border-radius: var(--r-md);
  padding: 12px 14px;
}
.cikti-madde::before {
  content: "•";
  color: var(--primary);
  font-size: 1.15rem;
  flex-shrink: 0;
  line-height: 1.3;
}
.cikti-madde-metin {
  flex: 1;
  font-size: 14px;
  line-height: 1.43;
  letter-spacing: -0.224px;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
}
.cikti-sil {
  flex-shrink: 0;
  border: none;
  background: transparent;
  color: var(--ink-48);
  font-size: 14px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
  line-height: 1;
}
.cikti-sil:hover {
  color: var(--danger);
  background: rgba(255, 59, 48, 0.1);
}

/* --- Öğrenci seçim çubuğu (yalnız öğretmen) --- */
.cikti-ogrenci-cubuk {
  padding: 10px 14px;
  border-bottom: 1px solid var(--hairline);
  flex-shrink: 0;
}
.cikti-ogrenci-sec {
  display: flex;
  align-items: center;
  gap: 8px;
}
.cikti-ogrenci-secim {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  color: var(--ink);
  background: var(--pearl);
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  padding: 8px 10px;
  cursor: pointer;
}
.cikti-gecmis-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  color: var(--ink);
  background: var(--pearl);
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  padding: 8px 11px;
  cursor: pointer;
  transition: background 0.15s;
}
.cikti-gecmis-btn:hover {
  background: var(--parchment);
}
.cikti-ogrenci-yeni {
  display: flex;
  align-items: center;
  gap: 6px;
}
.cikti-ogrenci-yeni.gizli {
  display: none;
}
.cikti-ogrenci-yeni input {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  color: var(--ink);
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  padding: 8px 10px;
}
.cikti-ogrenci-yeni input:focus {
  outline: none;
  border-color: var(--primary);
}
.cikti-ogrenci-yeni button {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border: 1px solid var(--hairline);
  background: var(--pearl);
  border-radius: var(--r-sm);
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
}
.cikti-ogrenci-yeni button:hover {
  background: var(--parchment);
}

.ciktilar-ekle-alan {
  padding: 14px;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}
.ciktilar-ekle-alan textarea {
  width: 100%;
  background: var(--canvas);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-md);
  padding: 11px 14px;
  color: var(--ink);
  font-size: 17px;
  letter-spacing: -0.374px;
  font-family: inherit;
  resize: none;
  line-height: 1.4;
}
.ciktilar-ekle-alan textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.ciktilar-ekle-alan textarea::placeholder {
  color: var(--ink-48);
}
.ciktilar-ekle-alan button {
  align-self: flex-end;
  border: none;
  background: var(--primary);
  color: var(--on-dark);
  font-size: 14px;
  letter-spacing: -0.224px;
  padding: 9px 22px;
  border-radius: var(--r-pill);
  cursor: pointer;
}

/* ===================== Sohbet paneli (beyaz) ===================== */
.sohbet {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 340px;
  max-width: 86vw;
  z-index: 25;
  display: flex;
  flex-direction: column;
  background: var(--canvas);
  border-left: 1px solid var(--hairline);
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}
.sohbet.acik {
  transform: translateX(0);
}

.sohbet-baslik {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.231px;
  color: var(--ink);
  border-bottom: 1px solid var(--hairline);
}
.sohbet-baslik button {
  border: none;
  background: transparent;
  color: var(--ink-48);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--r-sm);
}
.sohbet-baslik button:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--ink);
}

.sohbet-mesajlar {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mesaj {
  max-width: 80%;
  padding: 9px 14px;
  border-radius: var(--r-lg);
  font-size: 17px;
  line-height: 1.35;
  letter-spacing: -0.374px;
  word-wrap: break-word;
}
.mesaj.giden {
  align-self: flex-end;
  background: var(--primary);
  color: var(--on-dark);
  border-bottom-right-radius: var(--r-sm);
}
.mesaj.gelen {
  align-self: flex-start;
  background: var(--parchment);
  color: var(--ink);
  border-bottom-left-radius: var(--r-sm);
}

.sohbet-giris {
  display: flex;
  gap: 8px;
  padding: 14px;
  border-top: 1px solid var(--hairline);
}
.sohbet-giris input {
  flex: 1;
  min-width: 0;
  background: var(--canvas);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-pill);
  padding: 11px 18px;
  color: var(--ink);
  font-size: 17px;
  letter-spacing: -0.374px;
}
.sohbet-giris input:focus {
  outline: none;
  border-color: var(--primary);
}
.sohbet-giris input::placeholder {
  color: var(--ink-48);
}
.sohbet-giris button {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border: none;
  border-radius: 50%;
  background: var(--primary);
  color: var(--on-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.sohbet-giris button svg {
  width: 20px;
  height: 20px;
}

/* ===================== Metronom paneli (beyaz kart) ===================== */
.metronom-panel {
  position: absolute;
  bottom: 110px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 31;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: var(--frost);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-lg);
  min-width: 200px;
}
.metronom-panel.gizli {
  display: none !important;
}

.metronom-bpm-satir {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.metronom-bpm-sayi {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.5px;
  line-height: 1;
  color: var(--ink);
}
.metronom-birim {
  font-size: 14px;
  color: var(--ink-48);
  font-weight: 400;
  letter-spacing: -0.224px;
}

.metronom-slider {
  width: 100%;
  accent-color: var(--primary);
  cursor: pointer;
}

.metronom-baslat-btn {
  width: 100%;
  border: none;
  background: var(--primary);
  color: var(--on-dark);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -0.374px;
  padding: 11px;
  border-radius: var(--r-pill);
  cursor: pointer;
}
.metronom-baslat-btn.caliyor {
  background: var(--danger);
}

/* ===================== Saat (frosted pill) ===================== */
.saat-kapsam {
  position: absolute;
  top: 18px;
  left: 22px;
  z-index: 22;
  background: var(--frost);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-pill);
  padding: 9px 16px;
  color: var(--ink);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.224px;
  font-weight: 400;
  pointer-events: none;
  user-select: none;
}

/* ===================== Takvim modalı (beyaz kart) ===================== */
.takvim-katman {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.takvim-katman.gizli {
  display: none;
}
.takvim-modal {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 22px 20px 18px;
  width: 308px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.takvim-baslik {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.374px;
  color: var(--ink);
}
.takvim-nav {
  background: transparent;
  border: none;
  color: var(--ink);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  transition: background 0.15s;
}
.takvim-nav:hover {
  background: rgba(0, 0, 0, 0.05);
}
.takvim-gun-etiketler {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 12px;
  color: var(--ink-48);
  font-weight: 600;
  letter-spacing: -0.12px;
}
.takvim-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}
.takvim-gun {
  aspect-ratio: 1;
  border: none;
  background: transparent;
  color: var(--ink);
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  letter-spacing: -0.224px;
  transition: background 0.12s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.takvim-gun:hover:not(:disabled):not(.bos) {
  background: rgba(0, 0, 0, 0.05);
}
.takvim-gun.bugun {
  color: var(--primary);
  font-weight: 700;
}
.takvim-gun.secili {
  background: var(--primary) !important;
  color: var(--on-dark);
  font-weight: 700;
}
.takvim-gun.gecmis,
.takvim-gun:disabled {
  opacity: 0.28;
  cursor: default;
}
.takvim-gun.bos {
  pointer-events: none;
}
.takvim-kapat-btn {
  width: 100%;
  background: var(--pearl);
  border: 1px solid var(--hairline);
  color: var(--ink);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: -0.224px;
  padding: 11px;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background 0.15s;
}
.takvim-kapat-btn:hover {
  background: var(--parchment);
}

/* ===================== Geçmiş dersler modalı ===================== */
.gecmis-katman {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.gecmis-katman.gizli {
  display: none;
}
.gecmis-modal {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 18px 18px 16px;
  width: 380px;
  max-width: 92vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.gecmis-baslik {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.374px;
  color: var(--ink);
}
.gecmis-baslik #gecmisBaslikYazi {
  flex: 1;
}
.gecmis-baslik button {
  background: transparent;
  border: none;
  color: var(--ink-48);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 4px 8px;
  border-radius: var(--r-sm);
}
.gecmis-baslik button:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--ink);
}
.gecmis-geri.gizli {
  display: none;
}
.gecmis-ogrenci-secim {
  font-size: 13px;
  color: var(--ink);
  background: var(--pearl);
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  padding: 8px 10px;
  cursor: pointer;
}
.gecmis-govde {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 60px;
}
.gecmis-oturum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--pearl);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 11px 13px;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
}
.gecmis-oturum:hover {
  background: var(--parchment);
}
.gecmis-oturum-tarih {
  font-size: 14px;
  color: var(--ink);
  font-weight: 500;
}
.gecmis-oturum-adet {
  font-size: 12px;
  color: var(--ink-48);
  flex-shrink: 0;
}
.gecmis-not {
  display: flex;
  gap: 9px;
  background: var(--parchment);
  border-radius: var(--r-md);
  padding: 10px 12px;
  font-size: 14px;
  line-height: 1.43;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
}
.gecmis-not::before {
  content: "•";
  color: var(--primary);
  flex-shrink: 0;
}
.gecmis-bos {
  color: var(--ink-48);
  font-size: 14px;
  text-align: center;
  padding: 22px 0;
}
.gecmis-alt {
  border-top: 1px solid var(--hairline);
  padding-top: 12px;
  flex-shrink: 0;
}
.gecmis-alt.gizli {
  display: none;
}
.gecmis-sil-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  justify-content: center;
  font-size: 13px;
  color: var(--danger);
  background: transparent;
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  padding: 9px;
  cursor: pointer;
  transition: background 0.15s;
}
.gecmis-sil-btn:hover {
  background: rgba(255, 59, 48, 0.08);
}
.gecmis-sil-onay {
  display: flex;
  align-items: center;
  gap: 8px;
}
.gecmis-sil-onay.gizli {
  display: none;
}
.gecmis-sil-onay span {
  flex: 1;
  font-size: 13px;
  color: var(--ink);
}
.gecmis-sil-onay button {
  flex-shrink: 0;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: var(--r-sm);
  cursor: pointer;
  border: 1px solid var(--hairline);
}
.gecmis-sil-onay .onay-sil {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
.gecmis-sil-onay .onay-vazgec {
  background: var(--pearl);
  color: var(--ink);
}
.gecmis-sil-onay .onay-vazgec:hover {
  background: var(--parchment);
}

/* ===================== Sonraki Ders pin ===================== */
.sonraki-ders-pin {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 102, 204, 0.08);
  border: 1px solid rgba(0, 102, 204, 0.2);
  border-radius: var(--r-md);
  padding: 10px 12px;
  margin-bottom: 8px;
  color: var(--ink);
}
.sonraki-ders-pin.gizli {
  display: none;
}
.sonraki-ders-pin > svg {
  flex-shrink: 0;
  stroke: var(--primary);
}
.pin-icerik {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.pin-etiket {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--primary);
}
.pin-tarih {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: -0.224px;
  line-height: 1.3;
  color: var(--ink);
}
.pin-sil {
  background: none;
  border: none;
  color: var(--ink-48);
  cursor: pointer;
  font-size: 12px;
  padding: 2px 4px;
  border-radius: 4px;
  transition: color 0.15s;
  flex-shrink: 0;
}
.pin-sil:hover {
  color: var(--danger);
}

/* ===================== Responsive ===================== */
@media (max-width: 1068px) {
  .lobby-hero-baslik h1 {
    font-size: 56px;
  }
  .lobby-ozellik-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 820px) {
  .lobby-hero {
    min-height: 0;
    padding: 36px 24px;
    justify-content: flex-start;
  }
  .lobby-hero-orta {
    width: 100%;
    align-items: stretch;
    gap: 24px;
  }
  /* Önizleme + kart tek sütuna dizilsin */
  .lobby-hero-satir {
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
  }
  .lobby-onizleme-sar {
    width: 100%;
  }
  /* Stack düzeninde heykel karışmasın */
  .lobby-hero-heykel {
    display: none;
  }
  .lobby-card {
    width: 100%;
  }
  .lobby-ust {
    padding: 14px 24px;
  }
  .lobby-ozellikler {
    padding: 48px 24px;
  }
  .lobby-ozellikler-ic {
    gap: 40px;
  }
  .lobby-footer {
    padding: 20px 24px;
  }
}

@media (max-width: 640px) {
  .lobby-hero-baslik h1 {
    font-size: 42px;
  }
  .lobby-ozellik-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .yuvarlak {
    width: 44px;
    height: 44px;
  }
  .yuvarlak svg {
    width: 20px;
    height: 20px;
  }
  .rozet {
    top: 2px;
    right: 2px;
    width: 10px;
    height: 10px;
  }
  .dock {
    flex-wrap: wrap;
    justify-content: center;
    /* box-sizing:border-box dahil: 5×44+4×8 content + 2×14 pad + 2×1 border = 282px min */
    width: min(290px, calc(100vw - 20px));
    gap: 8px;
    padding: 10px 14px;
    border-radius: var(--r-lg);
    bottom: 16px;
  }
  .metronom-panel {
    bottom: 164px;
  }
  .oda-kod .kod-etiket {
    display: none;
  }
  .saat-kapsam {
    font-size: 12px;
    padding: 7px 14px;
  }
}

@media (max-width: 480px) {
  .lobby-hero-baslik h1 {
    font-size: 34px;
  }
  .lobby-ozellik-grid {
    grid-template-columns: 1fr;
  }
}