/* ═══════════════════════════════════════════════════════════════════════════
   Chess Coffee — Tasarım sistemi (müşteri menüsü ve yönetim paneli ortak)
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  /* Renk paleti */
  --bg: #0B0B10;
  --surface: #15151D;
  --surface-2: #20202B;
  --surface-3: #2A2A37;
  --accent: #8B5CF6;
  --accent-2: #A78BFA;
  --accent-soft: rgba(139, 92, 246, 0.14);
  --accent-line: rgba(167, 139, 250, 0.45);
  --text: #F5F3FA;
  --text-2: #A5A3B5;
  --text-3: #7D7B8E;
  --border: #2B2936;
  --border-strong: #3A3747;

  --success: #5FD49A;
  --success-soft: rgba(95, 212, 154, 0.12);
  --danger: #F2777A;
  --danger-soft: rgba(242, 119, 122, 0.12);
  --warning: #F2C46D;
  --warning-soft: rgba(242, 196, 109, 0.12);

  /* Tipografi */
  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Manrope', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* Ölçüler */
  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius: 16px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --space-9: 56px;

  --tap: 44px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, 0.7);

  color-scheme: dark;
}

/* ─── Sıfırlama ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
[hidden] { display: none !important; }

:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

::selection { background: rgba(139, 92, 246, 0.4); color: var(--text); }

.icon { flex-shrink: 0; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus { top: var(--space-4); text-decoration: none; }

/* ─── Marka ─────────────────────────────────────────────────────────────── */
.brand-mark { width: 36px; height: 36px; color: var(--text); }

.wordmark {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  line-height: 1.1;
  /* letter-spacing sağ tarafa boşluk eklediği için optik merkezleme */
  margin-right: -0.26em;
}

/* ─── Düğmeler ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--tap);
  padding: 0 var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none !important;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease), transform 0.12s var(--ease), opacity 0.18s;
  user-select: none;
}
.btn:active:not(:disabled) { transform: scale(0.98); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: #7C4DEB; }

.btn-secondary { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.btn-secondary:hover:not(:disabled) { background: var(--surface-3); border-color: var(--border-strong); }

.btn-ghost { background: transparent; color: var(--text-2); }
.btn-ghost:hover:not(:disabled) { background: var(--surface-2); color: var(--text); }

.btn-danger { background: var(--danger-soft); color: var(--danger); border-color: rgba(242, 119, 122, 0.3); }
.btn-danger:hover:not(:disabled) { background: rgba(242, 119, 122, 0.2); }
.btn-danger-solid { background: #D9545A; color: #fff; }
.btn-danger-solid:hover:not(:disabled) { background: #C6464C; }

.btn-sm { min-height: 36px; padding: 0 var(--space-3); font-size: 14px; border-radius: 10px; }
.btn-block { width: 100%; }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: var(--tap);
  height: var(--tap);
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-2);
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease);
}
.icon-btn:hover:not(:disabled) { background: var(--surface-2); color: var(--text); }
.icon-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.icon-btn-sm { width: 36px; height: 36px; border-radius: 10px; }

.btn .spinner, .icon-btn .spinner { width: 16px; height: 16px; border-width: 2px; }

/* ─── Yükleniyor göstergesi ─────────────────────────────────────────────── */
.spinner {
  width: 22px;
  height: 22px;
  border: 2.5px solid rgba(245, 243, 250, 0.2);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--surface-2);
  border-radius: var(--radius-xs);
}
.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.045), transparent);
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer { to { transform: translateX(100%); } }

/* ─── Form alanları ─────────────────────────────────────────────────────── */
.field { display: grid; gap: var(--space-2); }
.field-label { font-size: 14px; font-weight: 600; color: var(--text); }
.field-label .optional { color: var(--text-3); font-weight: 500; }
.field-hint { font-size: 13px; color: var(--text-3); }
.field-error { font-size: 13px; color: var(--danger); display: flex; gap: 6px; align-items: center; }

.input, .select, .textarea {
  width: 100%;
  min-height: var(--tap);
  padding: 0 var(--space-4);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px; /* iOS Safari yakınlaştırmasını önler */
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease), background-color 0.18s;
}
.textarea { padding: var(--space-3) var(--space-4); min-height: 96px; resize: vertical; line-height: 1.5; }
.select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23A5A3B5' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
.select option { background: var(--surface); color: var(--text); }
.input::placeholder, .textarea::placeholder { color: var(--text-3); }
.input:hover, .select:hover, .textarea:hover { border-color: var(--border-strong); }
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  outline: none;
}
.input[aria-invalid='true'], .select[aria-invalid='true'], .textarea[aria-invalid='true'] {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px var(--danger-soft);
}
.input:disabled, .select:disabled, .textarea:disabled { opacity: 0.6; }

/* Anahtar (aktif/pasif) */
.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-height: var(--tap);
  cursor: pointer;
  user-select: none;
}
.switch input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}
.switch-track {
  position: relative;
  flex-shrink: 0;
  width: 44px;
  height: 26px;
  background: var(--surface-3);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.switch-track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--text-2);
  border-radius: 50%;
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease);
}
.switch input:checked + .switch-track { background: var(--accent); border-color: var(--accent); }
.switch input:checked + .switch-track::after { transform: translateX(18px); background: #fff; }
.switch input:focus-visible + .switch-track { outline: 2px solid var(--accent-2); outline-offset: 2px; }
.switch input:disabled + .switch-track { opacity: 0.5; }
.switch-text { font-size: 14px; color: var(--text-2); }

/* ─── Rozetler ──────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 22px;
  padding: 0 9px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  background: var(--accent-soft);
  color: var(--accent-2);
  border: 1px solid rgba(167, 139, 250, 0.22);
}
.badge-neutral { background: var(--surface-2); color: var(--text-2); border-color: var(--border); }
.badge-success { background: var(--success-soft); color: var(--success); border-color: rgba(95, 212, 154, 0.25); }
.badge-danger { background: var(--danger-soft); color: var(--danger); border-color: rgba(242, 119, 122, 0.25); }
.badge-warning { background: var(--warning-soft); color: var(--warning); border-color: rgba(242, 196, 109, 0.25); }

/* ─── Görsel yer tutucu (fotoğraf yoksa) ────────────────────────────────── */
.img-placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: var(--text-3);
  background-color: var(--surface-2);
  background-image:
    linear-gradient(45deg, rgba(255, 255, 255, 0.022) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.022) 75%),
    linear-gradient(45deg, rgba(255, 255, 255, 0.022) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.022) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 8px 8px;
}
.img-placeholder .icon { opacity: 0.7; }

/* Görsel yüklenirken yumuşak geçiş */
.fade-img { opacity: 0; transition: opacity 0.35s var(--ease); }
.fade-img.is-loaded { opacity: 1; }

/* ─── Durum ekranları (hata, boş, yapılandırma) ─────────────────────────── */
.state {
  display: grid;
  justify-items: center;
  gap: var(--space-3);
  padding: var(--space-9) var(--space-5);
  text-align: center;
}
.state-icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-2);
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent-2);
}
.state-title { font-family: var(--font-display); font-size: 22px; font-weight: 500; }
.state-text { max-width: 34ch; color: var(--text-2); font-size: 15px; }
.state .btn { margin-top: var(--space-3); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}