/* ============================================
   MARKA DESIGN SYSTEM  (umbrella brand · v1)
   ─────────────────────────────────────────────
   Tek-kaynak marka katmanı. İsim henüz placeholder
   ([[marka-tercihi]]: kök Sana/Şifa yönü).
   Marka kimliğini DEĞİŞTİRMEK için yalnızca aşağıdaki
   --brand-* tokenlarını düzenle — tüm araçlara yayılır.

   MARKA TOKENLARI (burayı düzenle):
     --brand-name      : görünür marka adı
     --brand-primary   : ana marka rengi (şifa/güven)
     --brand-accent    : vurgu rengi (sıcaklık/enerji)
     --brand-deep      : koyu derinlik (premium/otorite)
   ============================================ */

:root {
  /* ░░ MARKA ÇEKİRDEĞİ — değiştir, her şey güncellenir ░░ */
  --brand-primary: #0d9488;   /* şifa teal — sağlık + güven, jenerik maviden ayrışır */
  --brand-primary-hover: #0f766e;
  --brand-primary-light: #ccfbf1;
  --brand-accent: #f59e0b;    /* sıcak amber — enerji, insani dokunuş */
  --brand-accent-light: #fef3c7;
  --brand-deep: #134e4a;      /* koyu zümrüt — premium otorite (başlık/gradient) */
  --brand-gradient: linear-gradient(135deg, var(--brand-deep), var(--brand-primary));
  --brand-name: "Bruckmed";  /* şemsiye marka (FSP = ürün/SEO kelimesi) */

  /* Colors */
  --bg: #fafafa;
  --bg-card: #ffffff;
  --bg-muted: #f4f4f5;
  --bg-hover: #f1f5f9;
  --border: #e4e4e7;
  --border-strong: #d4d4d8;
  --text: #09090b;
  --text-muted: #71717a;
  --text-subtle: #a1a1aa;

  /* primary = marka çekirdeğine bağlı (geriye uyumlu alias) */
  --primary: var(--brand-primary);
  --primary-hover: var(--brand-primary-hover);
  --primary-light: var(--brand-primary-light);

  --success: #10b981;
  --success-hover: #059669;
  --success-light: #d1fae5;

  --warning: #f59e0b;
  --warning-light: #fef3c7;

  --danger: #ef4444;
  --danger-hover: #dc2626;
  --danger-light: #fee2e2;

  --info: #3b82f6;
  --info-light: #dbeafe;

  --purple: #8b5cf6;
  --purple-light: #ede9fe;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);

  /* Radius */
  --radius-sm: 6px;
  --radius: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Spacing */
  --gap-xs: 4px;
  --gap-sm: 8px;
  --gap: 12px;
  --gap-md: 16px;
  --gap-lg: 24px;
  --gap-xl: 32px;

  /* Typography */
  --font-sans: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, "Roboto", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", "Fira Code", ui-monospace, "SF Mono", Menlo, monospace;
  --font-serif: "Source Serif Pro", "Georgia", serif;
}

/* Dark mode (toggle via data-theme="dark") */
[data-theme="dark"] {
  --bg: #09090b;
  --bg-card: #18181b;
  --bg-muted: #27272a;
  --bg-hover: #3f3f46;
  --border: #27272a;
  --border-strong: #3f3f46;
  --text: #fafafa;
  --text-muted: #a1a1aa;
  --text-subtle: #71717a;
  /* marka çekirdeği — dark mode varyantı */
  --brand-primary-light: #134e4a;
  --brand-accent-light: #78350f;
  --primary-light: #134e4a;
  --success-light: #064e3b;
  --warning-light: #78350f;
  --danger-light: #7f1d1d;
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 0;
  line-height: 1.5;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px;
}

@media (max-width: 768px) {
  .container { padding: 12px; }
  body { font-size: 13px; }
}

/* ============ Typography ============ */
h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 4px;
  line-height: 1.2;
}
h2 { font-size: 18px; font-weight: 600; margin: 0 0 8px; letter-spacing: -0.01em; }
h3 { font-size: 15px; font-weight: 600; margin: 0 0 6px; }
.sub { color: var(--text-muted); font-size: 13px; margin-bottom: 16px; }
.small { font-size: 12px; color: var(--text-muted); }
.tiny { font-size: 11px; color: var(--text-subtle); }

/* ============ Cards ============ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
  transition: box-shadow 0.15s;
}
.card:hover { box-shadow: var(--shadow); }
.card-compact { padding: 12px; }
.card-lg { padding: 20px; }

/* ============ Buttons ============ */
button, .btn {
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--primary);
  color: white;
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  line-height: 1.4;
}
button:hover, .btn:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: var(--shadow); }
button:active, .btn:active { transform: translateY(0); }
button:disabled, .btn:disabled { background: var(--text-subtle); cursor: not-allowed; transform: none; box-shadow: none; }
button:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

button.green, .btn.green { background: var(--success); }
button.green:hover, .btn.green:hover { background: var(--success-hover); }
button.red, .btn.red { background: var(--danger); }
button.red:hover, .btn.red:hover { background: var(--danger-hover); }
button.gray, .btn.gray { background: var(--text-muted); }
button.gray:hover, .btn.gray:hover { background: var(--text); }
button.yellow, .btn.yellow { background: var(--warning); color: white; }
button.yellow:hover, .btn.yellow:hover { background: #d97706; }
button.outline, .btn.outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
}
button.outline:hover, .btn.outline:hover {
  background: var(--bg-hover);
  border-color: var(--text-muted);
  color: var(--text);
}
button.ghost {
  background: transparent;
  color: var(--text-muted);
  border: 0;
  padding: 6px 10px;
}
button.ghost:hover { background: var(--bg-hover); color: var(--text); box-shadow: none; transform: none; }

button.lg, .btn.lg { padding: 11px 20px; font-size: 14px; }
button.sm, .btn.sm { padding: 6px 10px; font-size: 12px; }
button.icon { padding: 7px 9px; }

/* ============ Inputs ============ */
input[type=text], input[type=password], input[type=email], input[type=number], input[type=search], textarea, select {
  font-family: inherit;
  font-size: 13px;
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, textarea:focus, select:focus {
  outline: 0;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
textarea {
  font-family: var(--font-mono);
  resize: vertical;
  line-height: 1.6;
}
label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 5px;
  letter-spacing: 0.01em;
}

/* ============ Layout helpers ============ */
.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: end;
}
.row > * { flex: 1; min-width: 140px; }
.row > button { flex: 0 0 auto; }
.row.center { align-items: center; }
.row.tight { gap: 6px; }

.grid { display: grid; gap: 12px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-sidebar { grid-template-columns: 300px 1fr; }
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4, .grid-sidebar { grid-template-columns: 1fr; }
}

.stack { display: flex; flex-direction: column; gap: 8px; }
.cluster { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.between { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.right { display: flex; justify-content: flex-end; gap: 8px; }

/* ============ Tabs ============ */
.tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  padding: 10px 16px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  border-radius: 0;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.tab:hover { color: var(--text); background: transparent; transform: none; box-shadow: none; }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.panel { display: none; }
.panel.active { display: block; }

/* ============ Badges ============ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 4px;
  background: var(--bg-muted);
  color: var(--text);
  letter-spacing: 0.01em;
}
.badge.primary { background: var(--primary-light); color: var(--primary); }
.badge.success, .badge.green { background: var(--success-light); color: #065f46; }
.badge.danger, .badge.red { background: var(--danger-light); color: #991b1b; }
.badge.warning, .badge.yellow { background: var(--warning-light); color: #78350f; }
.badge.info, .badge.blue { background: var(--info-light); color: #1e40af; }
.badge.purple { background: var(--purple-light); color: #5b21b6; }

/* ============ Top bar / Nav ============ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
[data-theme="dark"] .topbar { background: rgba(9, 9, 11, 0.85); }
.topbar h1 { font-size: 16px; }
.topbar .actions { display: flex; gap: 8px; align-items: center; }

/* ============ Chat ============ */
.chat {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 480px;
  overflow-y: auto;
  padding: 12px;
  background: var(--bg-muted);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.msg {
  padding: 10px 14px;
  border-radius: 12px;
  max-width: 85%;
  font-size: 14px;
  line-height: 1.5;
  animation: fadeIn 0.2s;
}
.msg.user { align-self: flex-end; background: var(--primary); color: white; border-bottom-right-radius: 4px; }
.msg.bot { align-self: flex-start; background: var(--bg-card); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.msg .tr {
  display: block;
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-style: italic;
  font-size: 12px;
  opacity: 0.8;
}
.msg.bot .tr { border-top-color: var(--border); }

@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

/* ============ Mic / Recording ============ */
.mic { background: var(--success); }
.mic:hover { background: var(--success-hover); }
.mic.recording {
  background: var(--danger);
  animation: pulse 1.2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5); }
  50% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
}

/* ============ Output (markdown rendered) ============ */
.output {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
}
.output h1 { font-size: 18px; margin: 16px 0 8px; }
.output h2 { font-size: 16px; margin: 14px 0 6px; color: var(--text); border-bottom: 1px solid var(--border); padding-bottom: 4px; }
.output h3 { font-size: 14px; margin: 10px 0 4px; }
.output table {
  border-collapse: collapse;
  width: 100%;
  margin: 8px 0;
  font-size: 13px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.output th, .output td {
  border-bottom: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
.output th { background: var(--bg-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-muted); }
.output td:first-child, .output th:first-child { padding-left: 14px; }
.output ul { padding-left: 20px; margin: 6px 0; }
.output li { margin: 3px 0; }
.output strong { color: var(--text); font-weight: 600; }
.output em { color: var(--text-muted); }

/* ============ Stats ============ */
.stats { display: flex; gap: 16px; flex-wrap: wrap; }
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 140px;
  cursor: pointer;
  transition: all 0.15s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.stat-card .label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); font-weight: 600; }
.stat-card .value { font-size: 24px; font-weight: 700; color: var(--text); }
.stat-card .delta { font-size: 11px; color: var(--success); font-weight: 600; }

/* ============ Progress ============ */
.progress {
  background: var(--bg-muted);
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
}
.progress > div {
  background: linear-gradient(90deg, var(--primary), var(--success));
  height: 100%;
  transition: width 0.3s;
}

/* ============ Modal ============ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  overflow-y: auto;
  padding: 20px;
  animation: fadeIn 0.15s;
}
.modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  max-width: 900px;
  margin: 20px auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.2s;
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.96); } to { opacity: 1; transform: scale(1); } }

/* ============ Status ============ */
.status { font-size: 12px; color: var(--text-muted); }
.status.err { color: var(--danger); }
.status.ok { color: var(--success); }
.status.warn { color: var(--warning); }

/* ============ Mobile optimizations ============ */
@media (max-width: 768px) {
  h1 { font-size: 20px; }
  h2 { font-size: 16px; }
  .card { padding: 12px; }
  .row { gap: 6px; }
  button, .btn { padding: 9px 12px; font-size: 12px; }
  button.lg { padding: 11px 16px; font-size: 13px; }
  .tab { padding: 9px 12px; font-size: 12px; }
  .chat { max-height: 380px; }
  .msg { font-size: 13px; }
}

/* ============ Accessibility ============ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ============ Utilities ============ */
.hidden { display: none !important; }
.center { text-align: center; }
.right { text-align: right; }
.muted { color: var(--text-muted); }
.mt-0 { margin-top: 0; } .mt-2 { margin-top: 8px; } .mt-3 { margin-top: 12px; } .mt-4 { margin-top: 16px; }
.mb-0 { margin-bottom: 0; } .mb-2 { margin-bottom: 8px; } .mb-3 { margin-bottom: 12px; }
.gap-1 { gap: 4px; } .gap-2 { gap: 8px; } .gap-3 { gap: 12px; }
.w-full { width: 100%; }