/**
 * DersaneAI UI — son40 görünümü + son41/42 işlevsel iyileştirmeler
 * (agresif button:not override YOK — görünümü bozmaz)
 */

/* ========== Ambient arka plan ========== */
body {
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(59, 130, 246, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(124, 58, 237, 0.12), transparent 50%),
    radial-gradient(ellipse 50% 30% at 0% 100%, rgba(251, 146, 60, 0.08), transparent 45%),
    var(--bg);
}

/* ========== SVG ikon sistemi ========== */
.dai-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  line-height: 0;
}
.dai-ico svg {
  display: block;
  width: 20px;
  height: 20px;
}

.dai-nav-icon.dai-ico,
.dai-nav-link .dai-ico {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.2), rgba(99, 102, 241, 0.1));
  border: 1px solid rgba(96, 165, 250, 0.22);
  color: #93c5fd;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.dai-nav-link:hover .dai-ico {
  transform: scale(1.06);
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.35), rgba(99, 102, 241, 0.2));
  color: #bfdbfe;
}
.dai-nav-link.dai-nav-highlight .dai-ico {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}
.dai-nav-link.dai-nav-danger .dai-ico {
  background: rgba(248, 113, 113, 0.15);
  border-color: rgba(248, 113, 113, 0.3);
  color: #fca5a5;
}
.dai-nav-link.dai-nav-admin .dai-ico {
  background: rgba(251, 191, 36, 0.15);
  border-color: rgba(251, 191, 36, 0.3);
  color: #fcd34d;
}

/* ========== Navbar glass (tema-duyarlı) ========== */
.dai-navbar {
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
html[data-theme="dark"] .dai-navbar {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 41, 59, 0.88) 100%) !important;
  border: 1px solid rgba(96, 165, 250, 0.2) !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06) !important;
  color: #e2e8f0;
}
html[data-theme="light"] .dai-navbar {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(241, 245, 249, 0.94) 100%) !important;
  border: 1px solid rgba(37, 99, 235, 0.22) !important;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.8) !important;
  color: #0f172a;
}
html[data-theme="dark"] .dai-navbar-menu.dai-nav-open {
  background: linear-gradient(165deg, #0f172a 0%, #1e293b 40%, #312e81 85%, #4338ca 100%) !important;
}
html[data-theme="light"] .dai-navbar-menu.dai-nav-open {
  background: linear-gradient(165deg, #f8fafc 0%, #e2e8f0 45%, #dbeafe 100%) !important;
}
html[data-theme="light"] .dai-nav-link { color: #1e293b !important; }
html[data-theme="light"] .dai-nav-link .dai-ico {
  background: linear-gradient(145deg, rgba(37, 99, 235, 0.12), rgba(99, 102, 241, 0.08));
  border-color: rgba(37, 99, 235, 0.25);
  color: #1d4ed8;
}
html[data-theme="light"] .dai-nav-section-label { color: #64748b !important; }
html[data-theme="dark"] .dai-nav-section-label { color: #94a3b8 !important; }
html[data-theme="dark"] .dai-nav-link { color: #cbd5e1 !important; }
.dai-nav-link {
  border-radius: 12px !important;
  transition: background 0.2s ease, transform 0.15s ease !important;
}
.dai-nav-link:active {
  transform: scale(0.98);
}

/* ========== Kartlar (tema-duyarlı) ========== */
.card {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease, background 0.25s ease, color 0.25s ease;
  color: var(--text);
}
html[data-theme="dark"] .card {
  background: linear-gradient(160deg, rgba(18, 28, 54, 0.95), rgba(15, 23, 42, 0.88)) !important;
  border: 1px solid rgba(96, 165, 250, 0.14) !important;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.04) !important;
  color: #eef2ff !important;
}
html[data-theme="light"] .card {
  background: #ffffff !important;
  border: 1px solid #cbd5e1 !important;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08) !important;
  color: #0f172a !important;
}
html[data-theme="dark"] .card:hover {
  border-color: rgba(96, 165, 250, 0.28) !important;
}
html[data-theme="light"] .card:hover {
  border-color: #94a3b8 !important;
}

/* ========== Ana sayfa hub ========== */
.dai-hub {
  margin: 14px 0 18px;
  padding: 18px 16px 16px;
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(30, 41, 59, 0.75), rgba(15, 23, 42, 0.9));
  border: 1px solid rgba(96, 165, 250, 0.18);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}
.dai-hub-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}
.dai-hub-head-icon .dai-ico {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  border: none;
  color: #fff;
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}
.dai-hub-head-icon .dai-ico svg {
  width: 22px;
  height: 22px;
}
.dai-hub-title {
  margin: 0 0 4px;
  font-size: clamp(1.1rem, 3.5vw, 1.35rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #e0e7ff, #93c5fd);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.dai-hub-sub {
  margin: 0;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.45;
}
.dai-hub-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
@media (min-width: 640px) {
  .dai-hub-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }
}
.dai-hub-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 12px;
  border-radius: 14px;
  text-decoration: none !important;
  color: inherit !important;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(15, 23, 42, 0.55);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  min-height: 100px;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}
.dai-hub-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}
.dai-hub-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}
.dai-hub-card:active {
  transform: scale(0.98);
}
.dai-hub-card-icon .dai-ico {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: none;
}
.dai-hub-card-label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: #f1f5f9;
  line-height: 1.25;
}
.dai-hub-card-desc {
  display: block;
  font-size: 11px;
  color: #94a3b8;
  line-height: 1.35;
  margin-top: 2px;
}
.dai-hub-lock {
  display: inline-flex;
  vertical-align: middle;
  opacity: 0.7;
}
.dai-hub-lock .dai-ico {
  width: 16px;
  height: 16px;
  background: none;
  border: none;
}
.dai-hub-locked {
  opacity: 0.72;
}
.dai-tone-blue   .dai-hub-card-icon .dai-ico { background: linear-gradient(135deg, #2563eb, #3b82f6); color: #fff; box-shadow: 0 4px 14px rgba(37,99,235,.35); }
.dai-tone-blue::before   { background: linear-gradient(135deg, rgba(37,99,235,.12), transparent); }
.dai-tone-gold   .dai-hub-card-icon .dai-ico { background: linear-gradient(135deg, #d97706, #fbbf24); color: #fff; box-shadow: 0 4px 14px rgba(217,119,6,.35); }
.dai-tone-violet .dai-hub-card-icon .dai-ico { background: linear-gradient(135deg, #7c3aed, #a78bfa); color: #fff; box-shadow: 0 4px 14px rgba(124,58,237,.35); }
.dai-tone-cyan   .dai-hub-card-icon .dai-ico { background: linear-gradient(135deg, #0891b2, #22d3ee); color: #fff; box-shadow: 0 4px 14px rgba(8,145,178,.35); }
.dai-tone-green  .dai-hub-card-icon .dai-ico { background: linear-gradient(135deg, #059669, #34d399); color: #fff; box-shadow: 0 4px 14px rgba(5,150,105,.35); }
.dai-tone-orange .dai-hub-card-icon .dai-ico { background: linear-gradient(135deg, #ea580c, #fb923c); color: #fff; box-shadow: 0 4px 14px rgba(234,88,12,.35); }
.dai-tone-indigo .dai-hub-card-icon .dai-ico { background: linear-gradient(135deg, #4f46e5, #818cf8); color: #fff; box-shadow: 0 4px 14px rgba(79,70,229,.35); }
.dai-tone-pink   .dai-hub-card-icon .dai-ico { background: linear-gradient(135deg, #db2777, #f472b6); color: #fff; box-shadow: 0 4px 14px rgba(219,39,119,.35); }
.dai-hub-card:hover::before { opacity: 1; }
.dai-tone-blue:hover   { border-color: rgba(59,130,246,.45); }
.dai-tone-gold:hover   { border-color: rgba(251,191,36,.45); }
.dai-tone-violet:hover { border-color: rgba(167,139,250,.45); }
.dai-tone-cyan:hover   { border-color: rgba(34,211,238,.45); }
.dai-tone-green:hover  { border-color: rgba(52,211,153,.45); }
.dai-tone-orange:hover { border-color: rgba(251,146,60,.45); }
.dai-tone-indigo:hover { border-color: rgba(129,140,248,.45); }
.dai-tone-pink:hover   { border-color: rgba(244,114,182,.45); }

/* ========== Butonlar (yalnızca sınıf / bilinen CTA — tüm button'ları ezme) ========== */
.battle-primary,
a.battle-primary,
.battle-link-btn,
.share-btn,
.main-share-btn,
.yk-ide-run,
form button[type="submit"],
#ai_form button[type="submit"],
#chat_form button[type="submit"] {
  background: linear-gradient(135deg, #6366f1 0%, #7c3aed 50%, #9333ea 100%) !important;
  color: #fff !important;
  border: none !important;
  border-radius: 12px !important;
  padding: 12px 18px !important;
  font-weight: 700 !important;
  font-size: 15px !important;
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4), inset 0 1px 0 rgba(255,255,255,0.15) !important;
  transition: transform 0.15s ease, box-shadow 0.2s ease !important;
  letter-spacing: 0.01em;
  text-decoration: none !important;
  cursor: pointer;
  min-height: 44px;
  box-sizing: border-box;
}
.battle-primary:hover,
a.battle-primary:hover,
.battle-link-btn:hover,
.share-btn:hover,
.yk-ide-run:hover,
form button[type="submit"]:hover {
  box-shadow: 0 8px 28px rgba(124, 58, 237, 0.55) !important;
  transform: translateY(-1px);
}
.battle-primary:active,
form button[type="submit"]:active {
  transform: scale(0.98);
}

.upload-buttons button {
  border-radius: 12px !important;
  font-weight: 700 !important;
  padding: 13px 18px !important;
  min-height: 48px;
}
html[data-theme="dark"] .upload-buttons button {
  border: 1px solid rgba(96, 165, 250, 0.25) !important;
  background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(99,102,241,0.12)) !important;
  color: #e0e7ff !important;
  box-shadow: 0 4px 14px rgba(0,0,0,0.2) !important;
}
html[data-theme="light"] .upload-buttons button {
  border: 1px solid #94a3b8 !important;
  background: #f8fafc !important;
  color: #0f172a !important;
  box-shadow: 0 2px 8px rgba(15,23,42,0.08) !important;
}
.upload-buttons button:first-child:not(.secondary) {
  background: linear-gradient(135deg, #2563eb, #4f46e5) !important;
  border-color: transparent !important;
  color: #fff !important;
}

.battle-secondary,
a.battle-secondary,
button.secondary,
.yk-ide-clear,
.yk-ide-reset {
  border-radius: 11px !important;
  box-shadow: none !important;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease !important;
  text-decoration: none !important;
  cursor: pointer;
  min-height: 44px;
  font-weight: 700;
  padding: 11px 16px;
  box-sizing: border-box;
}
html[data-theme="dark"] .battle-secondary,
html[data-theme="dark"] a.battle-secondary,
html[data-theme="dark"] button.secondary,
html[data-theme="dark"] .yk-ide-clear,
html[data-theme="dark"] .yk-ide-reset {
  border: 1px solid rgba(148, 163, 184, 0.28) !important;
  background: rgba(30, 41, 59, 0.65) !important;
  color: #e2e8f0 !important;
}
html[data-theme="light"] .battle-secondary,
html[data-theme="light"] a.battle-secondary,
html[data-theme="light"] button.secondary,
html[data-theme="light"] .yk-ide-clear,
html[data-theme="light"] .yk-ide-reset {
  border: 1px solid #94a3b8 !important;
  background: #ffffff !important;
  color: #0f172a !important;
}
.battle-secondary:hover,
a.battle-secondary:hover,
button.secondary:hover,
.yk-ide-clear:hover,
.yk-ide-reset:hover {
  border-color: rgba(96, 165, 250, 0.45) !important;
}
html[data-theme="dark"] .battle-secondary:hover,
html[data-theme="dark"] a.battle-secondary:hover,
html[data-theme="dark"] button.secondary:hover {
  background: rgba(59, 130, 246, 0.14) !important;
  color: #f1f5f9 !important;
}
html[data-theme="light"] .battle-secondary:hover,
html[data-theme="light"] a.battle-secondary:hover,
html[data-theme="light"] button.secondary:hover {
  background: #eff6ff !important;
  color: #0f172a !important;
}

/* ========== Engagement panel ========== */
.engagement-panel {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(59, 130, 246, 0.06)) !important;
  border: 1px solid rgba(14, 165, 233, 0.25) !important;
  border-left: 4px solid #0ea5e9 !important;
  border-radius: 14px !important;
}

/* ========== Mobil alt dock — yatay kaydırma (son40 stili) ========== */
.dai-dock {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  padding: 0;
  background: linear-gradient(180deg, transparent, rgba(7, 13, 26, 0.88) 16%, rgba(7, 13, 26, 0.98));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(96, 165, 250, 0.15);
}
.dai-dock-track {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 2px;
  padding: 6px 8px calc(8px + env(safe-area-inset-bottom, 0px));
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  touch-action: pan-x pan-y;
}
.dai-dock-track::-webkit-scrollbar {
  display: none;
}
@media (max-width: 768px) {
  .dai-dock {
    display: block;
  }
  body.dai-has-dock {
    padding-bottom: calc(74px + env(safe-area-inset-bottom, 0px)) !important;
  }
  body.dai-nav-locked .dai-dock {
    display: none !important;
  }
}
@media (min-width: 769px) {
  .dai-dock {
    display: none !important;
  }
}

/* Dock öğeleri — form/button birincil stilini ASLA alma */
a.dai-dock-item,
button.dai-dock-item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 3px;
  padding: 8px 10px !important;
  margin: 0 !important;
  min-width: 64px;
  max-width: 80px;
  min-height: 54px !important;
  text-decoration: none !important;
  color: #94a3b8 !important;
  font-size: 10px !important;
  font-weight: 700 !important;
  line-height: 1.15 !important;
  border-radius: 12px !important;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  cursor: pointer;
  appearance: none !important;
  -webkit-appearance: none !important;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
  transition: color 0.15s ease, background 0.15s ease;
  box-sizing: border-box;
}
a.dai-dock-item .dai-ico,
button.dai-dock-item .dai-ico {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(96, 165, 250, 0.15);
  color: #93c5fd;
  pointer-events: none;
  box-shadow: none;
}
a.dai-dock-item .dai-dock-label,
button.dai-dock-item .dai-dock-label,
a.dai-dock-item span,
button.dai-dock-item span {
  pointer-events: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 72px;
  text-align: center;
  color: inherit !important;
}
a.dai-dock-item:hover,
button.dai-dock-item:hover,
a.dai-dock-item.is-active,
button.dai-dock-item.is-active {
  color: #e0e7ff !important;
  background: rgba(59, 130, 246, 0.12) !important;
  transform: none !important;
  box-shadow: none !important;
}
a.dai-dock-item.is-active .dai-ico,
button.dai-dock-item.is-active .dai-ico,
a.dai-dock-item:active .dai-ico,
button.dai-dock-item:active .dai-ico {
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  color: #fff;
  border-color: transparent;
}
a.dai-dock-item.is-locked,
button.dai-dock-item.is-locked {
  opacity: 0.7;
}

/* ========== Form başlığı ========== */
#ai_form.card {
  padding: 18px 16px !important;
  margin-top: 4px;
}
#ai_form.card::before {
  content: "📸 AI Soru Çözümü";
  display: block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #64748b;
  margin-bottom: 12px;
}

#dersaneai_platform_banner {
  border-radius: 16px !important;
  border: 1px solid rgba(255,255,255,0.15) !important;
}