/* ==========================================================================
   AR-Cat — refined dark theme
   Single-file system: tokens → base → component overrides → utilities.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Tokens
   -------------------------------------------------------------------------- */
:root {
  /* neutral scale — warm-leaning dark grays (slightly warmed hue to avoid
     the cold computer-grey feel; the accent is amber so we match). */
  --grey-0:   oklch(99% 0.002 80);
  --grey-50:  oklch(96% 0.003 80);
  --grey-100: oklch(90% 0.004 80);
  --grey-300: oklch(74% 0.008 80);
  --grey-500: oklch(58% 0.012 75);
  --grey-700: oklch(42% 0.014 70);
  --grey-800: oklch(34% 0.015 65);
  --grey-900: oklch(28% 0.014 65);
  --grey-950: oklch(22% 0.013 65);

  /* surfaces — readable 3-step stack (sunken 18 / bg 22 / raised 28). */
  --surface-bg:     var(--grey-950);          /* 22% */
  --surface-raised: var(--grey-900);          /* 28% */
  --surface-sunken: oklch(18% 0.012 65);      /* inputs, table header */
  --surface-border: oklch(38% 0.014 65);
  --surface-border-strong: oklch(50% 0.016 65);

  /* text */
  --fg-primary:   var(--grey-50);
  --fg-secondary: var(--grey-300);
  --fg-muted:     var(--grey-500);
  --fg-inverse:   var(--grey-950);

  /* brand accent — tuned to the ARCAT logo's warm amber cat */
  --accent:         oklch(78% 0.17 75);
  --accent-strong:  oklch(72% 0.19 68);
  --accent-muted:   oklch(78% 0.17 75 / 0.12);
  --accent-border:  oklch(78% 0.17 75 / 0.28);

  /* semantic */
  --success:   oklch(72% 0.16 150);
  --warning:   oklch(80% 0.15 85);
  --danger:    oklch(64% 0.22 25);

  /* role badges */
  --role-superb: oklch(78% 0.17 75);   /* amber — brand */
  --role-rd:     oklch(68% 0.22 300);  /* violet */
  --role-am:     oklch(72% 0.14 200);  /* teal */
  --role-op:     oklch(72% 0.16 150);  /* green */
  --role-cs:     oklch(68% 0.01 260);  /* neutral */

  /* typography */
  --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.8125rem;
  --text-base: 0.875rem;
  --text-md:   0.9375rem;
  --text-lg:   1.0625rem;
  --text-xl:   1.375rem;
  --text-2xl:  1.75rem;

  /* spacing (4px baseline) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;

  /* radii */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;

  /* motion */
  --duration-fast: 120ms;
  --duration-normal: 200ms;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

  /* Bootstrap variable overrides (play nice with existing markup) */
  --bs-body-bg: var(--surface-bg);
  --bs-body-color: var(--fg-primary);
  --bs-border-color: var(--surface-border);
  --bs-border-color-translucent: var(--surface-border);
  --bs-primary: var(--accent);
  --bs-primary-rgb: 230, 180, 100;
  --bs-link-color: var(--accent);
  --bs-link-hover-color: var(--accent-strong);
  --bs-link-color-rgb: 230, 180, 100;
  --bs-secondary-color: var(--fg-secondary);
  --bs-tertiary-bg: var(--surface-raised);
  --bs-emphasis-color: var(--fg-primary);
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
html {
  color-scheme: dark;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background: var(--surface-bg);
  color: var(--fg-primary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-feature-settings: "cv11", "ss01", "ss03";
  line-height: 1.5;
}

/* subtle ambient — warm radial washes behind all content */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 500px at 85% -10%, oklch(78% 0.17 75 / 0.06), transparent 60%),
    radial-gradient(700px 400px at -10% 110%, oklch(78% 0.17 75 / 0.04), transparent 60%);
  pointer-events: none;
  z-index: -1;
}

code, pre, kbd, samp, .font-mono {
  font-family: var(--font-mono);
  font-size: 0.925em;
  font-feature-settings: "zero", "ss01";
}

code {
  background: var(--surface-raised);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
  color: var(--fg-primary);
  font-size: 0.85em;
}

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

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--surface-sunken); }
::-webkit-scrollbar-thumb {
  background: var(--surface-border-strong);
  border-radius: 999px;
  border: 2px solid var(--surface-sunken);
}
::-webkit-scrollbar-thumb:hover { background: var(--fg-muted); }

/* --------------------------------------------------------------------------
   Navbar
   -------------------------------------------------------------------------- */
.navbar {
  --bs-navbar-padding-y: 0;
  position: relative;
  z-index: 1020;
  background: var(--surface-sunken) !important;
  border-bottom: 1px solid var(--surface-border);
  min-height: 52px;
  padding-inline: var(--space-6);
  backdrop-filter: saturate(140%) blur(8px);
}

.navbar .navbar-brand {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-primary) !important;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  margin-right: var(--space-8);
}

.navbar .navbar-brand::after {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  margin-left: var(--space-2);
}

.navbar .navbar-brand img {
  height: 24px;
  width: 24px;
  filter: drop-shadow(0 0 6px oklch(78% 0.17 75 / 0.25));
}

.navbar .nav-link {
  color: var(--fg-secondary) !important;
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-4) var(--space-3) !important;
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease-out);
}

.navbar .nav-link:hover {
  color: var(--fg-primary) !important;
}

.navbar .nav-link i.bi {
  opacity: 0.7;
  margin-right: 4px;
}

.navbar .dropdown-toggle::after {
  margin-left: 6px;
  border-width: 4px 3px 0;
  opacity: 0.5;
}

.navbar .btn-link.nav-link {
  color: var(--fg-muted) !important;
}

/* Bootstrap .bg-light utility stays light regardless of data-bs-theme;
   override to a subtle dark tint for inline toolbars (batch-action bars,
   section headers etc.) */
.bg-light {
  background-color: var(--surface-sunken) !important;
  color: var(--fg-secondary);
}

/* Bootstrap .opacity-50 (0.5) dims deactivated cards/rows too aggressively
   on a dark surface — lift to 0.7 so they stay readable yet visibly muted.
   Used by provider_configs/_form, games/index, merchant_portal/games/index. */
.opacity-50 {
  opacity: 0.7 !important;
}

/* merchant sub-navbar */
nav.bg-light {
  background: var(--surface-raised) !important;
  border-bottom: 1px solid var(--surface-border) !important;
  padding-inline: var(--space-6);
}

nav.bg-light .nav-link {
  color: var(--fg-secondary) !important;
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-4) !important;
  border-bottom: 2px solid transparent;
  border-radius: 0;
}

nav.bg-light .nav-link.active {
  color: var(--fg-primary) !important;
  border-bottom-color: var(--accent);
}

/* --------------------------------------------------------------------------
   Dropdown menu
   -------------------------------------------------------------------------- */
.dropdown-menu {
  z-index: 1030;
  background: var(--surface-raised);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  box-shadow:
    0 1px 2px oklch(0% 0 0 / 0.25),
    0 8px 24px oklch(0% 0 0 / 0.35);
  padding: var(--space-2);
  min-width: 200px;
  font-size: var(--text-sm);
}

.dropdown-item {
  color: var(--fg-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background: var(--surface-border);
  color: var(--fg-primary);
}

.dropdown-item.active,
.dropdown-item:active {
  background: var(--accent-muted);
  color: var(--accent);
}

.dropdown-item-text {
  padding: var(--space-2) var(--space-3);
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.dropdown-header {
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-3) var(--space-3) var(--space-2);
}

.dropdown-divider {
  border-top-color: var(--surface-border);
  margin: var(--space-2) 0;
}

/* --------------------------------------------------------------------------
   Card / table
   -------------------------------------------------------------------------- */
.card {
  background: var(--surface-raised);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  color: var(--fg-primary);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--surface-border);
  color: var(--fg-primary);
  font-weight: 600;
}

.table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--fg-primary);
  --bs-table-border-color: var(--surface-border);
  --bs-table-hover-bg: oklch(22% 0.012 250);
  --bs-table-hover-color: var(--fg-primary);
  --bs-table-striped-bg: oklch(18% 0.010 250);
  color: var(--fg-primary);
  margin-bottom: 0;
}

.table > thead {
  background: var(--surface-sunken);
}

.table > thead th {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
  border-bottom: 1px solid var(--surface-border);
  padding: var(--space-3) var(--space-4);
}

.table > tbody td {
  padding: var(--space-3) var(--space-4);
  vertical-align: middle;
  border-top: 1px solid var(--surface-border);
}

/* Bootstrap's .table-* colour variants hard-code bright light backgrounds
   via --bs-table-bg, regardless of theme. Retint them so highlighted rows
   read as subtle tinted surfaces in the dark UI. */
.table-light,
.table .table-light {
  --bs-table-color: var(--fg-muted);
  --bs-table-bg: var(--surface-sunken);
  --bs-table-border-color: var(--surface-border);
  --bs-table-striped-bg: var(--surface-sunken);
  --bs-table-hover-bg: var(--surface-raised);
  color: var(--fg-muted);
  border-color: var(--surface-border);
}

.table-info,
.table .table-info {
  --bs-table-color: var(--fg-primary);
  --bs-table-bg: oklch(72% 0.14 200 / 0.10);
  --bs-table-border-color: oklch(72% 0.14 200 / 0.25);
  --bs-table-striped-bg: oklch(72% 0.14 200 / 0.14);
  --bs-table-hover-bg: oklch(72% 0.14 200 / 0.18);
  color: var(--fg-primary);
  border-color: oklch(72% 0.14 200 / 0.25);
}

.table-success,
.table .table-success {
  --bs-table-color: var(--fg-primary);
  --bs-table-bg: oklch(72% 0.16 150 / 0.10);
  --bs-table-border-color: oklch(72% 0.16 150 / 0.25);
  --bs-table-striped-bg: oklch(72% 0.16 150 / 0.14);
  --bs-table-hover-bg: oklch(72% 0.16 150 / 0.18);
  color: var(--fg-primary);
  border-color: oklch(72% 0.16 150 / 0.25);
}

.table-warning,
.table .table-warning {
  --bs-table-color: var(--fg-primary);
  --bs-table-bg: oklch(80% 0.15 85 / 0.10);
  --bs-table-border-color: oklch(80% 0.15 85 / 0.25);
  --bs-table-striped-bg: oklch(80% 0.15 85 / 0.14);
  --bs-table-hover-bg: oklch(80% 0.15 85 / 0.18);
  color: var(--fg-primary);
  border-color: oklch(80% 0.15 85 / 0.25);
}

.table-danger,
.table .table-danger {
  --bs-table-color: var(--fg-primary);
  --bs-table-bg: oklch(64% 0.22 25 / 0.10);
  --bs-table-border-color: oklch(64% 0.22 25 / 0.25);
  --bs-table-striped-bg: oklch(64% 0.22 25 / 0.14);
  --bs-table-hover-bg: oklch(64% 0.22 25 / 0.18);
  color: var(--fg-primary);
  border-color: oklch(64% 0.22 25 / 0.25);
}

.table-primary,
.table .table-primary {
  --bs-table-color: var(--fg-primary);
  --bs-table-bg: var(--accent-muted);
  --bs-table-border-color: var(--accent-border);
  --bs-table-striped-bg: oklch(78% 0.17 75 / 0.18);
  --bs-table-hover-bg: oklch(78% 0.17 75 / 0.22);
  color: var(--fg-primary);
  border-color: var(--accent-border);
}

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
.form-control,
.form-select {
  background: var(--surface-sunken);
  border: 1px solid var(--surface-border);
  color: var(--fg-primary);
  font-size: var(--text-sm);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.form-control:focus,
.form-select:focus {
  background: var(--surface-sunken);
  border-color: var(--accent);
  color: var(--fg-primary);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

.form-control::placeholder { color: var(--fg-muted); }

.form-check-input {
  background-color: var(--surface-sunken);
  border-color: var(--surface-border-strong);
}

.form-check-input:checked {
  background-color: var(--accent);
  border-color: var(--accent);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--fg-inverse);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: var(--fg-inverse);
}

.btn-outline-secondary,
.btn-outline-dark,
.btn-outline-light {
  color: var(--fg-secondary);
  border-color: var(--surface-border-strong);
  background: transparent;
}

.btn-outline-secondary:hover,
.btn-outline-dark:hover,
.btn-outline-light:hover,
.btn-outline-secondary:focus,
.btn-outline-dark:focus,
.btn-outline-light:focus {
  color: var(--fg-primary);
  background: var(--surface-border);
  border-color: var(--surface-border-strong);
}

.btn-outline-danger {
  color: var(--danger);
  border-color: oklch(64% 0.22 25 / 0.4);
  background: transparent;
}

.btn-outline-danger:hover {
  background: oklch(64% 0.22 25 / 0.12);
  color: var(--danger);
  border-color: var(--danger);
}

.btn-outline-success {
  color: var(--success);
  border-color: oklch(72% 0.16 150 / 0.4);
  background: transparent;
}

.btn-outline-success:hover {
  background: oklch(72% 0.16 150 / 0.12);
  color: var(--success);
  border-color: var(--success);
}

/* --------------------------------------------------------------------------
   Badges
   -------------------------------------------------------------------------- */
.badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}

/* Badge color !important wins over Bootstrap's `.text-dark/.text-light`
   utilities that views combine with `.bg-info` etc. */
.badge.bg-primary {
  background: var(--accent-muted) !important;
  color: var(--accent) !important;
  border-color: var(--accent-border);
}

.badge.bg-secondary {
  background: var(--surface-border) !important;
  color: var(--fg-secondary) !important;
  border-color: var(--surface-border-strong);
}

.badge.bg-success {
  background: oklch(72% 0.16 150 / 0.12) !important;
  color: var(--success) !important;
  border-color: oklch(72% 0.16 150 / 0.3);
}

.badge.bg-danger {
  background: oklch(64% 0.22 25 / 0.12) !important;
  color: var(--danger) !important;
  border-color: oklch(64% 0.22 25 / 0.3);
}

.badge.bg-warning {
  background: oklch(80% 0.15 85 / 0.12) !important;
  color: var(--warning) !important;
  border-color: oklch(80% 0.15 85 / 0.3);
}

.badge.bg-info {
  background: oklch(72% 0.14 200 / 0.12) !important;
  color: oklch(72% 0.14 200) !important;
  border-color: oklch(72% 0.14 200 / 0.3);
}

.badge.bg-light {
  background: var(--surface-border) !important;
  color: var(--fg-secondary) !important;
  border-color: var(--surface-border-strong);
}

.badge.bg-dark {
  background: var(--surface-sunken) !important;
  color: var(--fg-muted) !important;
  border-color: var(--surface-border);
}

/* Semantic role badges (override .bg-primary on user role) */
.role-badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.role-badge::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: currentColor;
  flex: none;
}

.role-badge-superb { background: oklch(78% 0.17 75 / 0.12); color: var(--role-superb); border-color: oklch(78% 0.17 75 / 0.3); }
.role-badge-rd     { background: oklch(68% 0.22 300 / 0.12); color: var(--role-rd); border-color: oklch(68% 0.22 300 / 0.3); }
.role-badge-am     { background: oklch(72% 0.14 200 / 0.12); color: var(--role-am); border-color: oklch(72% 0.14 200 / 0.3); }
.role-badge-op     { background: oklch(72% 0.16 150 / 0.12); color: var(--role-op); border-color: oklch(72% 0.16 150 / 0.3); }
.role-badge-cs     { background: oklch(68% 0.01 260 / 0.14); color: var(--role-cs); border-color: oklch(68% 0.01 260 / 0.3); }

/* --------------------------------------------------------------------------
   Alerts (for flash messages)
   -------------------------------------------------------------------------- */
.alert {
  background: var(--surface-raised);
  border: 1px solid var(--surface-border);
  border-left-width: 3px;
  color: var(--fg-primary);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

.alert-success { border-left-color: var(--success); }
.alert-danger  { border-left-color: var(--danger); }
.alert-warning { border-left-color: var(--warning); }
.alert-info    { border-left-color: var(--accent); }

/* Toast stack — flash messages render fixed in the top-right corner so
   they never push the layout or force a second scrollbar. */
.toast-stack {
  position: fixed;
  top: 68px;
  right: 20px;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: min(360px, calc(100vw - 40px));
  pointer-events: none;
}

.toast-stack .alert {
  pointer-events: auto;
  margin: 0;
  box-shadow: 0 8px 24px oklch(0% 0 0 / 0.4);
  animation: toast-in 220ms var(--ease-out);
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* --------------------------------------------------------------------------
   Breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb {
  font-size: var(--text-sm);
  color: var(--fg-muted);
  background: transparent;
  padding: 0;
  margin-bottom: var(--space-4);
}

.breadcrumb-item a {
  color: var(--fg-secondary);
  text-decoration: none;
}

.breadcrumb-item a:hover { color: var(--accent); }

.breadcrumb-item.active { color: var(--fg-primary); }

.breadcrumb-item + .breadcrumb-item::before {
  color: var(--fg-muted);
  content: "/";
}

/* --------------------------------------------------------------------------
   Existing responsive rules (preserved from prior application.css)
   -------------------------------------------------------------------------- */
.merchant-name-cell {
  max-width: 300px;
  word-break: break-word;
  overflow-wrap: break-word;
}

@media (max-width: 992px) {
  .merchant-name-cell { max-width: 200px; }
}

@media (max-width: 768px) {
  .merchant-name-cell {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .merchant-name-cell:hover,
  .merchant-name-cell:focus {
    white-space: normal;
    overflow: visible;
    position: relative;
    z-index: 10;
    background: var(--surface-raised);
    box-shadow: 0 2px 8px oklch(0% 0 0 / 0.4);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
  }
}

.btn.disabled[data-bs-toggle="tooltip"] {
  pointer-events: auto;
}

.badge[data-bs-toggle="tooltip"] {
  cursor: help;
}

/* --------------------------------------------------------------------------
   Portal Context Banner - 商戶視角預覽的視覺差異化
   -------------------------------------------------------------------------- */
.portal-context-banner {
  background: linear-gradient(90deg, oklch(55% 0.15 195) 0%, oklch(58% 0.18 165) 100%);
  color: oklch(98% 0 0);
  padding: 8px 16px;
  font-size: var(--text-sm);
  border-bottom: 1px solid oklch(45% 0.15 195);
}

.portal-context-banner strong { color: oklch(100% 0 0); }

.portal-context-banner .text-muted {
  color: oklch(90% 0.03 195) !important;
}

.portal-context-banner .btn-outline-light {
  border-color: oklch(95% 0 0 / 0.6);
  color: oklch(100% 0 0);
}

.portal-context-banner .btn-outline-light:hover {
  background: oklch(100% 0 0 / 0.15);
  border-color: oklch(100% 0 0);
}

/* Portal sub-navbar 色調與 Admin 拉開 */
.portal-subnav {
  background: oklch(93% 0.015 195) !important;
  border-bottom-color: oklch(80% 0.04 195) !important;
}

.portal-subnav .nav-link {
  color: oklch(30% 0.04 195);
  font-weight: 500;
}

.portal-subnav .nav-link:hover,
.portal-subnav .nav-link.active {
  color: oklch(45% 0.15 195);
}

/* --------------------------------------------------------------------------
   Table dropdown 溢出處理
   .table-responsive 的 overflow-x: auto 會裁掉下拉選單；
   桌面上不需要橫向捲動時改為 visible，讓 dropdown 可逃離裁切。
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  .table-responsive {
    overflow: visible;
  }
}