/* =========================================================
   Auto Code Delivery - Premium SaaS Design System
   Typography: Geist & Geist Mono
   ========================================================= */

/* =========================================================
   1. Tokens
   ========================================================= */

/* 1.1 Mode Tokens: Dark Mode (Default :root) */
:root {
  /* RGB Channel Triples (Single source of truth) */
  --c-canvas: 0 0 0;           /* #000000 */
  --c-surface: 14 14 16;       /* #0e0e10 */
  --c-surface-2: 22 22 26;     /* #16161a */
  --c-inset: 6 6 7;            /* #060607 */
  --c-line: 255 255 255;       /* Neutral white divider channel */
  --c-fg: 236 236 239;         /* #ececef */
  --c-muted: 161 161 168;      /* #a1a1a8 */
  --c-faint: 138 138 147;      /* #8a8a93 */

  /* Status RGB Channels (Dark Mode Text) */
  --c-success: 52 211 153;     /* #34d399 */
  --c-warning: 251 191 36;     /* #fbbf24 */
  --c-danger: 251 113 133;     /* #fb7185 */
  --c-info: 56 189 248;        /* #38bdf8 */

  /* Surface & Background Variables */
  --bg: rgb(var(--c-canvas));
  --surface-1: rgb(var(--c-surface));
  --surface-2: rgb(var(--c-surface-2));
  --surface-inset: rgb(var(--c-inset));

  /* Borders & Dividers */
  --border: rgb(var(--c-line) / 0.08);
  --border-strong: rgb(var(--c-line) / 0.16);

  /* Typography */
  --text: rgb(var(--c-fg));
  --text-muted: rgb(var(--c-muted));
  --text-faint: rgb(var(--c-faint));

  /* Elevation Shadows & Scrim */
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-overlay: 0 24px 64px rgba(0, 0, 0, 0.7);
  --scrim: rgba(0, 0, 0, 0.75);

  /* Status Tokens */
  --success-text: rgb(var(--c-success));
  --success-bg: rgba(16, 185, 129, 0.12);
  --success-border: rgba(16, 185, 129, 0.28);

  --warning-text: rgb(var(--c-warning));
  --warning-bg: rgba(245, 158, 11, 0.12);
  --warning-border: rgba(245, 158, 11, 0.28);

  --danger-text: rgb(var(--c-danger));
  --danger-bg: rgba(244, 63, 94, 0.12);
  --danger-border: rgba(244, 63, 94, 0.28);

  --info-text: rgb(var(--c-info));
  --info-bg: rgba(14, 165, 233, 0.12);
  --info-border: rgba(14, 165, 233, 0.28);

  /* Radius Tokens */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Fonts */
  --font-sans: 'Geist', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Motion */
  --ease: cubic-bezier(0.2, 0, 0, 1);

  /* Default Accent: Slate (Monochrome Dark) */
  --c-accent: 255 255 255;
  --c-accent-hover: 230 230 232;
  --c-accent-fg: 0 0 0;
  --c-accent-text: 236 236 239;

  --accent: rgb(var(--c-accent));
  --accent-hover: rgb(var(--c-accent-hover));
  --accent-fg: rgb(var(--c-accent-fg));
  --accent-text: rgb(var(--c-accent-text));
  --accent-soft: color-mix(in srgb, var(--accent) 12%, transparent);
  --accent-border: color-mix(in srgb, var(--accent) 30%, transparent);

  /* 1.3 Legacy Variable Aliases (pointing to new design tokens) */
  --bg-canvas: var(--bg);
  --bg-card: var(--surface-1);
  --bg-elevated: var(--surface-2);
  --bg-inset: var(--surface-inset);
  --border-subtle: var(--border);
  --border-default: var(--border-strong);
  --text-main: var(--text);
  --brand-primary: var(--accent);
  --brand-primary-hover: var(--accent-hover);
  --brand-contrast-text: var(--accent-fg);
}

/* 1.2 Mode Tokens: Light Mode ('white' Theme) */
html.light-mode,
html[data-theme="white"] {
  --c-canvas: 245 245 248;     /* #f5f5f8 */
  --c-surface: 255 255 255;    /* #ffffff */
  --c-surface-2: 242 242 246;  /* #f2f2f6 */
  --c-inset: 238 238 242;      /* #eeeef2 */
  --c-line: 0 0 0;             /* Neutral black divider channel */
  --c-fg: 12 12 16;            /* #0c0c10 */
  --c-muted: 74 74 82;         /* #4a4a52 */
  --c-faint: 88 88 96;         /* #585860 - >= 4.5:1 against light canvas/surfaces */

  /* Status RGB Channels (Light Mode Text - WCAG AA ≥ 4.5:1 compliant) */
  --c-success: 2 90 64;        /* #025a40 - deep emerald for >= 4.5:1 on light emerald tints */
  --c-warning: 130 54 10;      /* #82360a - rich amber/brown for >= 4.5:1 on light backgrounds */
  --c-danger: 165 10 50;       /* #a50a32 */
  --c-info: 3 105 161;         /* #0369a1 */

  /* Surface & Background Variables */
  --bg: rgb(var(--c-canvas));
  --surface-1: rgb(var(--c-surface));
  --surface-2: rgb(var(--c-surface-2));
  --surface-inset: rgb(var(--c-inset));

  /* Borders & Dividers */
  --border: rgb(var(--c-line) / 0.08);
  --border-strong: rgb(var(--c-line) / 0.14);

  /* Typography */
  --text: rgb(var(--c-fg));
  --text-muted: rgb(var(--c-muted));
  --text-faint: rgb(var(--c-faint));

  /* Elevation Shadows & Scrim */
  --shadow-card: 0 1px 2px rgba(12, 12, 16, 0.06), 0 4px 16px rgba(12, 12, 16, 0.06);
  --shadow-overlay: 0 20px 48px rgba(12, 12, 16, 0.16);
  --scrim: rgba(12, 12, 16, 0.45);

  /* Status Tokens */
  --success-text: rgb(var(--c-success));
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;

  --warning-text: rgb(var(--c-warning));
  --warning-bg: #fffbeb;
  --warning-border: #fde68a;

  --danger-text: rgb(var(--c-danger));
  --danger-bg: #fff1f2;
  --danger-border: #fecdd3;

  --info-text: rgb(var(--c-info));
  --info-bg: #f0f9ff;
  --info-border: #bae6fd;

  /* Default Light Accent: Slate (Monochrome Light) */
  --c-accent: 12 12 16;
  --c-accent-hover: 26 26 32;
  --c-accent-fg: 255 255 255;
  --c-accent-text: 12 12 16;
}

/* 1.3 Accent Tokens Matrix (2.3 Spec) */
/* Amber (Dark) */
html[data-accent="amber"] {
  --c-accent: 245 158 11;       /* #f59e0b */
  --c-accent-hover: 251 191 36; /* #fbbf24 */
  --c-accent-fg: 11 18 32;      /* #0b1220 */
  --c-accent-text: 251 191 36;  /* #fbbf24 */
}
/* Amber (Light) */
html.light-mode[data-accent="amber"],
html[data-theme="white"][data-accent="amber"] {
  --c-accent: 245 158 11;       /* #f59e0b */
  --c-accent-hover: 217 119 6;  /* #d97706 */
  --c-accent-fg: 11 18 32;      /* #0b1220 */
  --c-accent-text: 146 64 14;   /* #92400e */
}

/* Emerald (Dark) */
html[data-accent="emerald"] {
  --c-accent: 16 185 129;       /* #10b981 */
  --c-accent-hover: 52 211 153; /* #34d399 */
  --c-accent-fg: 4 20 14;       /* #04140e */
  --c-accent-text: 52 211 153;  /* #34d399 */
}
/* Emerald (Light) */
html.light-mode[data-accent="emerald"],
html[data-theme="white"][data-accent="emerald"] {
  --c-accent: 4 120 87;         /* #047857 */
  --c-accent-hover: 6 95 70;    /* #065f46 */
  --c-accent-fg: 255 255 255;   /* #ffffff */
  --c-accent-text: 4 120 87;    /* #047857 */
}

/* Rose (Dark) */
html[data-accent="rose"] {
  --c-accent: 225 29 72;        /* #e11d48 */
  --c-accent-hover: 244 63 94;  /* #f43f5e */
  --c-accent-fg: 255 255 255;   /* #ffffff */
  --c-accent-text: 251 113 133; /* #fb7185 */
}
/* Rose (Light) */
html.light-mode[data-accent="rose"],
html[data-theme="white"][data-accent="rose"] {
  --c-accent: 225 29 72;        /* #e11d48 */
  --c-accent-hover: 190 18 60;  /* #be123c */
  --c-accent-fg: 255 255 255;   /* #ffffff */
  --c-accent-text: 190 18 60;   /* #be123c */
}

/* Slate (Dark) */
html[data-accent="slate"] {
  --c-accent: 255 255 255;      /* #ffffff */
  --c-accent-hover: 230 230 232;/* #e6e6e8 */
  --c-accent-fg: 0 0 0;         /* #000000 */
  --c-accent-text: 236 236 239; /* #ececef */
}
/* Slate (Light) */
html.light-mode[data-accent="slate"],
html[data-theme="white"][data-accent="slate"] {
  --c-accent: 12 12 16;         /* #0c0c10 */
  --c-accent-hover: 26 26 32;   /* #1a1a20 */
  --c-accent-fg: 255 255 255;   /* #ffffff */
  --c-accent-text: 12 12 16;    /* #0c0c10 */
}

/* =========================================================
   2. Base
   ========================================================= */

html {
  color-scheme: dark;
}

html.light-mode,
html[data-theme="white"] {
  color-scheme: light;
}

html,
body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  overflow-x: clip;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text);
}

h1 {
  letter-spacing: -0.03em;
}

a {
  color: var(--accent-text);
  text-decoration: none;
}

::selection {
  background-color: var(--accent-soft);
  color: var(--text);
}

/* Keyboard focus ring (2.4) */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Subtle clean scrollbars */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}

::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-faint);
}

/* 1.7 Reduced Motion (Single allowed !important) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* =========================================================
   3. Components (ui-*)
   ========================================================= */

/* Cards */
.ui-card {
  background-color: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: border-color 150ms var(--ease), box-shadow 150ms var(--ease);
}

.ui-card-interactive {
  transition: border-color 150ms var(--ease), box-shadow 150ms var(--ease), transform 150ms var(--ease);
}
.ui-card-interactive:hover {
  border-color: var(--border-strong);
}

.ui-card-inset {
  background-color: var(--surface-inset);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: none;
}

/* Buttons */
.ui-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-sans);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 150ms var(--ease);
  white-space: nowrap;
}

.ui-btn:disabled,
.ui-btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.ui-btn-sm {
  height: 32px;
  padding: 0 12px;
  font-size: 13px;
}

.ui-btn-lg {
  height: 48px;
  padding: 0 24px;
  font-size: 16px;
}

.ui-btn-primary {
  background-color: var(--accent);
  color: var(--accent-fg);
  border-color: transparent;
  box-shadow: none;
}
.ui-btn-primary:hover {
  background-color: var(--accent-hover);
  color: var(--accent-fg);
}

.ui-btn-secondary {
  background-color: var(--surface-2);
  border-color: var(--border-strong);
  color: var(--text);
}
.ui-btn-secondary:hover {
  border-color: var(--accent-border);
}

.ui-btn-ghost {
  background-color: transparent;
  border-color: transparent;
  color: var(--text-muted);
}
.ui-btn-ghost:hover {
  background-color: var(--surface-2);
  color: var(--text);
}

.ui-btn-danger {
  background-color: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger-text);
}
.ui-btn-danger:hover {
  border-color: var(--danger-text);
}

/* Form Controls */
.ui-input,
.ui-select,
.ui-textarea {
  display: block;
  width: 100%;
  height: 44px;
  padding: 12px 14px;
  background-color: var(--surface-inset);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: border-color 150ms var(--ease), box-shadow 150ms var(--ease);
}

.ui-input::placeholder,
.ui-textarea::placeholder {
  color: var(--text-faint);
}

.ui-input:focus,
.ui-select:focus,
.ui-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  outline: none;
}

.ui-textarea {
  height: auto;
  min-height: 96px;
  resize: vertical;
}

.ui-input-lg {
  height: 56px;
  font-size: 17px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  padding: 16px 20px;
}

.ui-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: none;
}

.ui-help {
  font-size: 13px;
  color: var(--text-faint);
  margin-top: 4px;
}

.ui-error {
  font-size: 13px;
  color: var(--danger-text);
  margin-top: 4px;
}

/* Badges */
.ui-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 24px;
  padding: 0 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
}

.ui-badge-success {
  background-color: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success-text);
}

.ui-badge-warning {
  background-color: var(--warning-bg);
  border-color: var(--warning-border);
  color: var(--warning-text);
}

.ui-badge-danger {
  background-color: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger-text);
}

.ui-badge-info {
  background-color: var(--info-bg);
  border-color: var(--info-border);
  color: var(--info-text);
}

.ui-badge-accent {
  background-color: var(--accent-soft);
  border-color: var(--accent-border);
  color: var(--accent-text);
}

.ui-badge-neutral {
  background-color: var(--surface-2);
  border-color: var(--border);
  color: var(--text-muted);
}

/* Alerts */
.ui-alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  border: 1px solid transparent;
  font-size: 14px;
}

.ui-alert-success {
  background-color: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success-text);
}

.ui-alert-warning {
  background-color: var(--warning-bg);
  border-color: var(--warning-border);
  color: var(--warning-text);
}

.ui-alert-danger {
  background-color: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger-text);
}

.ui-alert-info {
  background-color: var(--info-bg);
  border-color: var(--info-border);
  color: var(--info-text);
}

/* Tables */
.ui-table-wrap {
  overflow-x: auto;
  background-color: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.ui-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.ui-table thead {
  background-color: var(--surface-2);
}

.ui-table th {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: none;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.ui-table tbody tr {
  min-height: 48px;
  border-bottom: 1px solid var(--border);
  transition: background-color 150ms var(--ease);
}

.ui-table tbody tr:hover {
  background-color: var(--surface-2);
}

.ui-table td {
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text);
}

.ui-table td.ui-mono,
.ui-table td.num {
  font-variant-numeric: tabular-nums;
}

/* Modals */
.ui-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: var(--scrim);
  backdrop-filter: blur(4px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.ui-modal {
  background-color: var(--surface-1);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-overlay);
  max-width: min(32rem, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  width: 100%;
  overflow-y: auto;
  position: relative;
  animation: ui-modal-enter 200ms var(--ease);
}

@keyframes ui-modal-enter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Navigation */
.ui-nav {
  background-color: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 40;
}

.ui-nav a.active:not(.ui-tab-pill):not(.ui-tabs-pill-item) {
  color: var(--text);
}

/* Tabs */
.ui-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}

.ui-tab {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: all 150ms var(--ease);
  white-space: nowrap;
}

.ui-tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* 2.2b Tabs Pill Container */
.ui-tabs-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  max-width: 100%;
  border-radius: 9999px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
@media (min-width: 1024px) {
  .ui-tabs-pill {
    overflow: visible;
  }
}
.ui-tabs-pill::-webkit-scrollbar {
  display: none;
}

/* 2.2b Tab Pill Item */
.ui-tab-pill,
.ui-tabs-pill-item,
.ui-tabs-pill > :not(.group),
.ui-tabs-pill > a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  flex-shrink: 0;
  text-decoration: none;
  border: none !important;
  border-bottom: 0 !important;
  border-bottom-width: 0 !important;
  outline: none;
  background: transparent;
  transition: background-color 150ms var(--ease), color 150ms var(--ease);
  white-space: nowrap;
}

.ui-tab-pill svg,
.ui-tab-pill .ui-icon,
.ui-tabs-pill-item svg,
.ui-tabs-pill-item .ui-icon,
.ui-tabs-pill > a svg,
.ui-tabs-pill > a .ui-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.ui-tab-pill:hover,
.ui-tabs-pill-item:hover,
.ui-tabs-pill > :not(.group):hover,
.ui-tabs-pill > a:hover {
  color: var(--text);
  background: var(--surface-2);
}

.ui-tab-pill.active,
.ui-tab-pill[aria-current="page"],
.ui-tabs-pill-item.active,
.ui-tabs-pill-item[aria-current="page"],
.ui-tabs-pill > :not(.group).active,
.ui-tabs-pill > :not(.group)[aria-current="page"],
.ui-tabs-pill > a.active,
.ui-tabs-pill > a[aria-current="page"] {
  background: var(--surface-2);
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--border-strong);
  border: none !important;
  border-bottom: 0 !important;
  border-bottom-width: 0 !important;
}

/* Empty State */
.ui-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 24px;
  background-color: var(--surface-inset);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

/* =========================================================
   4. Utilities
   ========================================================= */

.ui-text { color: var(--text); }
.ui-text-muted { color: var(--text-muted); }
.ui-text-faint { color: var(--text-faint); }
.ui-text-accent { color: var(--accent-text); }
.ui-surface { background-color: var(--surface-1); }
.ui-surface-2 { background-color: var(--surface-2); }
.ui-border { border-color: var(--border); }
.ui-mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* 2C.8: Explicit status color utilities — ensures Tailwind CDN doesn't miss these
   in server-rendered EJS templates. These provide the correct token in both modes. */
.text-danger  { color: var(--danger-text) !important; }
.text-success { color: var(--success-text) !important; }
.text-warning { color: var(--warning-text) !important; }
.text-info    { color: var(--info-text) !important; }
.text-accent-text { color: var(--accent-text) !important; }
.text-fg      { color: var(--text) !important; }
.text-muted   { color: var(--text-muted) !important; }
.text-faint   { color: var(--text-faint) !important; }

/* 2C.9: Admin theme toggle icon — dark mode shows moon, light mode shows sun.
   Both icons exist in the DOM; CSS controls visibility based on html.light-mode.
   No JS innerHTML change needed; works immediately on page load (no flicker). */
#adminThemeMoonIcon { display: block; }
#adminThemeSunIcon  { display: none; }
html.light-mode #adminThemeMoonIcon { display: none; }
html.light-mode #adminThemeSunIcon  { display: block; }

[data-theme-toggle] .ui-theme-moon { display: block; }
[data-theme-toggle] .ui-theme-sun  { display: none; }
html.light-mode [data-theme-toggle] .ui-theme-moon { display: none; }
html.light-mode [data-theme-toggle] .ui-theme-sun  { display: block; }


/* Lucide Icon Sprite Utilities (1.8-f) */
.ui-icon {
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
  vertical-align: middle;
}

.ui-icon-sm {
  width: 1rem;
  height: 1rem;
}

.ui-icon-lg {
  width: 1.5rem;
  height: 1.5rem;
}

.no-scrollbar {
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.no-scrollbar::-webkit-scrollbar {
  display: none;
}

/* === Kod giriş kartı (ui-redeem-*): "En gösterişli" === */
@property --ang { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
:root { --glow: 1; }
html.light-mode, html[data-theme="white"] { --glow: .6; }

.ui-redeem-card { position: relative; isolation: isolate; overflow: hidden; border-radius: 20px; padding: 24px;
  background: var(--surface-1);
  border: 1px solid color-mix(in srgb, var(--accent) calc(28% * var(--glow)), var(--border));
  box-shadow: 0 30px 80px -20px color-mix(in srgb, var(--accent) calc(55% * var(--glow)), transparent),
              0 0 70px -20px color-mix(in srgb, var(--accent) calc(30% * var(--glow)), transparent); }
.ui-redeem-card::before { content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(120% 90% at 50% 0%, color-mix(in srgb, var(--accent) calc(12% * var(--glow)), transparent), transparent 62%); }
.ui-redeem-card::after { content: ""; position: absolute; top: 0; left: 10%; right: 10%; height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 85%, white), transparent); }
.ui-redeem-grid { position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(color-mix(in srgb, var(--text) 6%, transparent) 1px, transparent 1px),
                    linear-gradient(90deg, color-mix(in srgb, var(--text) 6%, transparent) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(75% 90% at 50% 0%, #000, transparent 80%);
          mask-image: radial-gradient(75% 90% at 50% 0%, #000, transparent 80%); }
.ui-redeem-beam { position: absolute; inset: 0; border-radius: inherit; padding: 1.5px; pointer-events: none;
  background: conic-gradient(from var(--ang), transparent 0 62%, var(--accent) 82%, color-mix(in srgb, var(--accent) 40%, white) 90%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  animation: ui-beam-spin 5s linear infinite; }
@keyframes ui-beam-spin { to { --ang: 360deg; } }

.ui-icon-chip-glow { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; flex: none;
  color: var(--accent-text);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent);
  box-shadow: 0 0 20px color-mix(in srgb, var(--accent) calc(25% * var(--glow)), transparent);
  animation: ui-chip-pulse 2.8s ease-in-out infinite; }
@keyframes ui-chip-pulse { 50% { box-shadow: 0 0 30px color-mix(in srgb, var(--accent) calc(50% * var(--glow)), transparent); } }

.ui-redeem-row { display: flex; gap: 12px; }
.ui-input-glow { flex: 1; min-width: 0; height: 56px; border-radius: 14px; padding: 0 18px; outline: 0;
  border: 1px solid color-mix(in srgb, var(--text) 14%, transparent);
  background: color-mix(in srgb, var(--surface-inset) 85%, transparent);
  color: var(--text); font: 17px var(--font-mono); letter-spacing: .04em;
  box-shadow: inset 0 2px 8px rgba(0,0,0,.35);
  transition: box-shadow .2s, border-color .2s; }
html.light-mode .ui-input-glow, html[data-theme="white"] .ui-input-glow { box-shadow: inset 0 1px 3px rgba(0,0,0,.12); }
.ui-input-glow::placeholder { color: color-mix(in srgb, var(--text) 45%, transparent); }
.ui-input-glow:focus { border-color: var(--accent);
  box-shadow: inset 0 2px 8px rgba(0,0,0,.3), 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent),
              0 0 36px color-mix(in srgb, var(--accent) calc(28% * var(--glow)), transparent); }

.ui-btn-glow { position: relative; overflow: hidden; height: 56px; padding: 0 28px; border: 0; border-radius: 9999px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; white-space: nowrap;
  font: 700 15px var(--font-sans); letter-spacing: .04em; text-transform: uppercase; color: var(--accent-fg);
  background-color: var(--accent);
  background-image: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 82%, black));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.38), 0 10px 28px color-mix(in srgb, var(--accent) calc(45% * var(--glow)), transparent);
  transition: transform .2s, box-shadow .2s; }
.ui-btn-glow:hover { transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.38), 0 14px 36px color-mix(in srgb, var(--accent) calc(55% * var(--glow)), transparent); }
.ui-btn-glow:active { transform: none; }
.ui-btn-glow:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 3px; }
.ui-btn-glow:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.ui-btn-glow::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 35%, rgba(255,255,255,.45) 50%, transparent 65%); transform: translateX(-120%); }
.ui-btn-glow:hover::after { transform: translateX(120%); transition: transform .7s; }
.ui-btn-glow .ui-btn-arrow { width: 18px; height: 18px; stroke-width: 2.4; transition: transform .2s; }
.ui-btn-glow:hover .ui-btn-arrow { transform: translateX(3px); }

@media (max-width: 560px) { .ui-redeem-row { flex-direction: column; } }
@media (prefers-reduced-motion: reduce) {
  .ui-redeem-beam, .ui-icon-chip-glow { animation: none; }
  .ui-btn-glow::after { display: none; }
  .ui-btn-glow:hover { transform: none; }
}

/* =========================================================
   6. Site (ui-site-*)
   ========================================================= */

.ui-site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: color-mix(in srgb, var(--surface-1) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.ui-site-nav-container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (min-width: 768px) {
  .ui-site-nav-container {
    padding: 0.875rem 1.5rem;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
  }
}

.ui-site-wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  justify-self: start;
}

.ui-site-wordmark-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--text);
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}


.ui-site-nav-pills {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem;
  height: 2.375rem;
  border-radius: 9999px;
  background-color: var(--surface-inset);
  border: 1px solid var(--border);
  justify-self: center;
}

.ui-site-nav-pill-item {
  display: inline-flex;
  align-items: center;
  height: 100%;
  padding: 0 0.875rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 9999px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 150ms var(--ease), background-color 150ms var(--ease);
}

.ui-site-nav-pill-item:hover {
  color: var(--text);
  background-color: color-mix(in srgb, var(--c-line) / 0.05, transparent);
}

.ui-site-nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-self: end;
}

.ui-site-nav-mobile-bar {
  display: flex;
  overflow-x: auto;
  padding: 0.5rem 1rem;
  gap: 0.5rem;
  border-top: 1px solid var(--border);
  scrollbar-width: none;
}
.ui-site-nav-mobile-bar::-webkit-scrollbar {
  display: none;
}

.ui-site-lang-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem;
  border-radius: 9999px;
  background-color: var(--surface-inset);
  border: 1px solid var(--border);
  gap: 0.125rem;
}

.ui-site-lang-link {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  text-decoration: none;
  color: var(--text-muted);
  transition: color 150ms var(--ease), background-color 150ms var(--ease);
}

.ui-site-lang-link.active {
  background-color: var(--surface-2);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.ui-site-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--bg);
  padding: 5rem 1rem 4rem 1rem;
  text-align: center;
}

@media (min-width: 768px) {
  .ui-site-hero {
    padding: 7rem 1.5rem 6rem 1.5rem;
  }
}

.ui-site-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(60% 50% at 50% 0%, color-mix(in srgb, var(--c-line) / 0.08, transparent), transparent),
    linear-gradient(to right, color-mix(in srgb, var(--c-line) / 0.05, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--c-line) / 0.05, transparent) 1px, transparent 1px);
  background-size: 100% 100%, 28px 28px, 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 60%, transparent 100%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 60%, transparent 100%);
}

.ui-site-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text);
  background-color: var(--surface-2);
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.ui-site-badge-dot {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 9999px;
  background-color: var(--text);
}

.ui-site-h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.ui-site-gradient-text {
  background-image: linear-gradient(90deg, var(--text), color-mix(in srgb, var(--text) 50%, transparent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

html.light-mode .ui-site-gradient-text,
html[data-theme="white"] .ui-site-gradient-text {
  background-image: linear-gradient(90deg, var(--text), color-mix(in srgb, var(--text) 60%, transparent));
}

.ui-site-h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text);
}

.ui-site-section {
  padding: 3.5rem 1rem;
}

@media (min-width: 768px) {
  .ui-site-section {
    padding: 5rem 1.5rem;
  }
}

.ui-site-icon-box {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  margin-bottom: 1rem;
}

.ui-site-icon-box svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}


.ui-faq {
  background-color: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: border-color 150ms var(--ease);
  overflow: hidden;
}

.ui-faq summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  color: var(--text);
}

.ui-faq summary::-webkit-details-marker {
  display: none;
}

.ui-faq summary svg.ui-faq-chevron {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--text-muted);
  transition: transform 200ms var(--ease);
  flex-shrink: 0;
}

.ui-faq[open] summary svg.ui-faq-chevron {
  transform: rotate(180deg);
}

@media (prefers-reduced-motion: reduce) {
  .ui-faq summary svg.ui-faq-chevron {
    transition: none;
  }
}

.ui-faq-answer {
  padding: 0 1.5rem 1.25rem 1.5rem;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.ui-site-footer {
  border-top: 1px solid var(--border);
  background-color: var(--surface-1);
  padding: 3.5rem 1rem 2.5rem 1rem;
}

@media (min-width: 768px) {
  .ui-site-footer {
    padding: 4.5rem 1.5rem 3rem 1.5rem;
  }
}