/* ==========================================================================
   Trispark Admin Panel — Design System
   Style: Glassmorphism · Dark operations dashboard
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600;700&family=Fira+Sans:wght@300;400;500;600;700&display=swap');

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */

:root {
  /* Surface + brand */
  --color-primary: #1E293B;
  --color-on-primary: #FFFFFF;
  --color-secondary: #334155;
  --color-accent: #22C55E;
  --color-accent-hover: #16A34A;
  --color-on-accent: #05220F;

  --color-background: #0F172A;
  --color-surface: #1B2336;
  --color-surface-raised: #222C42;
  --color-foreground: #F8FAFC;
  --color-muted: #272F42;
  --color-muted-foreground: #A9B6C9; /* 7.3:1 on --color-surface */
  --color-border: #3A465C;
  --color-border-strong: #4E5C75;

  /* Status */
  --color-info: #60A5FA;
  --color-success: #4ADE80;
  --color-warning: #FBBF24;
  --color-danger: #F87171;
  --color-on-status: #0B1220;

  /* Glass */
  --glass-bg: rgba(27, 35, 54, 0.72);
  --glass-bg-hover: rgba(34, 44, 66, 0.86);
  --glass-border: rgba(255, 255, 255, 0.10);
  --glass-blur: 14px;

  /* Spacing scale (8pt rhythm) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;

  /* Elevation */
  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.30);
  --shadow-2: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-3: 0 12px 32px rgba(0, 0, 0, 0.45);

  /* Motion tokens — chosen by distance, not one-size-fits-all */
  --motion-micro: 120ms;   /* press / hover feedback */
  --motion-short: 200ms;   /* local state change */
  --motion-medium: 280ms;  /* panel / modal entry */
  --motion-exit: 160ms;    /* exits are faster than entries */
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --ease-decelerate: cubic-bezier(0, 0, 0, 1);
  --ease-accelerate: cubic-bezier(0.3, 0, 1, 1);

  /* Type scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2.25rem;

  /* Layout */
  --sidebar-width: 264px;
  --topbar-height: 64px;
  --content-max: 1440px;

  /* Layering scale */
  --z-base: 0;
  --z-sticky: 20;
  --z-sidebar: 40;
  --z-overlay: 100;
  --z-modal: 200;
  --z-toast: 1000;
}

/* Light theme — opt-in via data-theme="light" */
:root[data-theme="light"] {
  --color-background: #F1F5F9;
  --color-surface: #FFFFFF;
  --color-surface-raised: #F8FAFC;
  --color-foreground: #0F172A;
  --color-muted: #E2E8F0;
  --color-muted-foreground: #4A5568; /* 8.1:1 on white */
  --color-border: #CBD5E1;
  --color-border-strong: #94A3B8;

  --color-info: #1D4ED8;
  --color-success: #15803D;
  --color-warning: #B45309;
  --color-danger: #B91C1C;

  --color-accent: #15803D;
  --color-accent-hover: #166534;
  --color-on-accent: #FFFFFF;

  --glass-bg: rgba(255, 255, 255, 0.82);
  --glass-bg-hover: rgba(255, 255, 255, 0.95);
  --glass-border: rgba(15, 23, 42, 0.10);

  --shadow-1: 0 1px 2px rgba(15, 23, 42, 0.08);
  --shadow-2: 0 4px 12px rgba(15, 23, 42, 0.10);
  --shadow-3: 0 12px 32px rgba(15, 23, 42, 0.16);
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */

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

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

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--color-background);
  color: var(--color-foreground);
  font-family: 'Fira Sans', system-ui, -apple-system, sans-serif;
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Fira Code', ui-monospace, monospace;
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 var(--space-3);
  text-wrap: balance;
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p { margin: 0 0 var(--space-3); max-width: 72ch; }

code, pre, .mono, .tabular {
  font-family: 'Fira Code', ui-monospace, monospace;
}

/* Numbers in tables must not jitter as values change */
.tabular,
td.numeric,
.metric-value { font-variant-numeric: tabular-nums; }

a { color: var(--color-info); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Long URLs / IDs / user content must reflow, not overflow */
.breakable {
  overflow-wrap: anywhere;
  min-width: 0;
}

/* --------------------------------------------------------------------------
   3. Accessibility primitives
   -------------------------------------------------------------------------- */

/* Visible focus on every interactive control — never removed */
:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.sr-only {
  position: absolute;
  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;
  top: -100px;
  left: var(--space-4);
  z-index: var(--z-toast);
  padding: var(--space-3) var(--space-4);
  background: var(--color-accent);
  color: var(--color-on-accent);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top var(--motion-short) var(--ease-decelerate);
}
.skip-link:focus { top: var(--space-4); }

@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;
  }
}

/* --------------------------------------------------------------------------
   4. Layout
   -------------------------------------------------------------------------- */

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100dvh;
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100dvh;
  overflow-y: auto;
  padding: var(--space-5) var(--space-4);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-right: 1px solid var(--glass-border);
  z-index: var(--z-sidebar);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-5);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-brand-mark {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.sidebar-brand-name {
  font-family: 'Fira Code', monospace;
  font-weight: 700;
  font-size: var(--text-base);
  line-height: 1.2;
}
.sidebar-brand-sub {
  font-size: var(--text-xs);
  color: var(--color-muted-foreground);
}

.nav-section-label {
  padding: var(--space-4) var(--space-3) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted-foreground);
}

.nav-list { list-style: none; margin: 0; padding: 0; }

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 44px;              /* touch target */
  padding: var(--space-2) var(--space-3);
  margin-bottom: 2px;
  border-radius: var(--radius-md);
  color: var(--color-muted-foreground);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--motion-micro) var(--ease-standard),
              color var(--motion-micro) var(--ease-standard);
}

.nav-link:hover {
  background: var(--color-muted);
  color: var(--color-foreground);
  text-decoration: none;
}

/* Current location: colour + weight + indicator bar, never colour alone */
.nav-link[aria-current="page"] {
  background: color-mix(in srgb, var(--color-accent) 16%, transparent);
  color: var(--color-accent);
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--color-accent);
}

.nav-link svg { flex-shrink: 0; width: 20px; height: 20px; }

.main-area { display: flex; flex-direction: column; min-width: 0; }

.topbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-height: var(--topbar-height);
  padding: var(--space-3) var(--space-5);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
}

.topbar-title { margin: 0; font-size: var(--text-lg); }
.topbar-spacer { flex: 1; }

.page-content {
  flex: 1;
  width: 100%;
  max-width: var(--content-max);
  padding: var(--space-5);
  margin-inline: auto;
}

.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.page-header p { color: var(--color-muted-foreground); margin: 0; }

/* Mobile nav toggle is hidden on desktop */
.nav-toggle { display: none; }

/* --------------------------------------------------------------------------
   5. Surfaces
   -------------------------------------------------------------------------- */

.card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
}

.card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.card-title { margin: 0; font-size: var(--text-lg); }

/* Metric cards */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.metric-card {
  position: relative;
  padding: var(--space-4);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  transition: background var(--motion-short) var(--ease-standard),
              border-color var(--motion-short) var(--ease-standard);
}

.metric-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--color-border-strong);
}

.metric-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-muted-foreground);
  margin-bottom: var(--space-2);
}

.metric-value {
  font-family: 'Fira Code', monospace;
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.1;
}

.metric-delta { font-size: var(--text-xs); color: var(--color-muted-foreground); }
.metric-delta.up { color: var(--color-success); }
.metric-delta.down { color: var(--color-danger); }

/* --------------------------------------------------------------------------
   6. Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: var(--color-muted);
  color: var(--color-foreground);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--motion-micro) var(--ease-standard),
              border-color var(--motion-micro) var(--ease-standard),
              transform var(--motion-micro) var(--ease-standard);
}

.btn:hover { background: var(--color-surface-raised); text-decoration: none; }
/* Press feedback that does not shift surrounding layout */
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
}
.btn-primary:hover { background: var(--color-accent-hover); }

.btn-secondary {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-foreground);
}
.btn-secondary:hover { background: var(--color-muted); }

.btn-danger {
  background: transparent;
  border-color: var(--color-danger);
  color: var(--color-danger);
}
.btn-danger:hover {
  background: color-mix(in srgb, var(--color-danger) 16%, transparent);
}

.btn-sm { min-height: 36px; padding: var(--space-1) var(--space-3); font-size: var(--text-xs); }
.btn-icon { min-width: 44px; padding: var(--space-2); }

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* Inline spinner for async buttons */
.btn[data-loading="true"] { pointer-events: none; opacity: 0.75; }
.btn[data-loading="true"] .btn-label { opacity: 0.6; }

.spinner {
  width: 16px; height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.btn-group { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* --------------------------------------------------------------------------
   7. Forms
   -------------------------------------------------------------------------- */

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}

.field { margin-bottom: var(--space-4); min-width: 0; }

.field-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-foreground);
}

.field-required {
  color: var(--color-danger);
  margin-left: 2px;
}

.input,
.select,
.textarea {
  width: 100%;
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  background: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-foreground);
  font-family: inherit;
  font-size: var(--text-base); /* 16px — prevents iOS zoom */
  transition: border-color var(--motion-micro) var(--ease-standard);
}

.input::placeholder,
.textarea::placeholder { color: var(--color-muted-foreground); opacity: 1; }

.input:hover,
.select:hover,
.textarea:hover { border-color: var(--color-border-strong); }

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

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23A9B6C9' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-6);
}

/* Persistent helper text — not a placeholder */
.field-help {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-muted-foreground);
}

/* Inline error: colour + icon + text, never colour alone */
.field-error {
  display: none;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-danger);
}

.field.has-error .field-error { display: flex; }
.field.has-error .input,
.field.has-error .select,
.field.has-error .textarea { border-color: var(--color-danger); }

/* Focusable error summary at the top of a failed form */
.error-summary {
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-danger);
  border-left-width: 4px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-danger) 12%, transparent);
}
.error-summary h3 { margin: 0 0 var(--space-2); font-size: var(--text-base); color: var(--color-danger); }
.error-summary ul { margin: 0; padding-left: var(--space-5); }
.error-summary a { color: var(--color-danger); text-decoration: underline; }

.input[readonly] {
  background: var(--color-surface-raised);
  color: var(--color-muted-foreground);
  cursor: default;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 44px;
}
.checkbox-row input[type="checkbox"] {
  width: 20px; height: 20px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.filter-bar .field { margin-bottom: 0; flex: 1 1 180px; }

/* --------------------------------------------------------------------------
   8. Badges & chips
   -------------------------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 3px var(--space-3);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.5;
  white-space: nowrap;
}

.badge-neutral { background: var(--color-muted); color: var(--color-muted-foreground); border-color: var(--color-border); }
.badge-info    { background: color-mix(in srgb, var(--color-info) 18%, transparent);    color: var(--color-info);    border-color: color-mix(in srgb, var(--color-info) 45%, transparent); }
.badge-success { background: color-mix(in srgb, var(--color-success) 18%, transparent); color: var(--color-success); border-color: color-mix(in srgb, var(--color-success) 45%, transparent); }
.badge-warning { background: color-mix(in srgb, var(--color-warning) 18%, transparent); color: var(--color-warning); border-color: color-mix(in srgb, var(--color-warning) 45%, transparent); }
.badge-danger  { background: color-mix(in srgb, var(--color-danger) 18%, transparent);  color: var(--color-danger);  border-color: color-mix(in srgb, var(--color-danger) 45%, transparent); }

/* Chip collections wrap before labels shrink */
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  min-width: 0;
}

/* --------------------------------------------------------------------------
   9. Tables
   -------------------------------------------------------------------------- */

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table caption {
  padding: var(--space-3);
  text-align: left;
  color: var(--color-muted-foreground);
  font-size: var(--text-xs);
}

.table th {
  position: sticky;
  top: 0;
  padding: var(--space-3);
  background: var(--color-surface-raised);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-foreground);
  font-weight: 600;
  text-align: left;
  white-space: nowrap;
}

.table td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.table tbody tr:last-child td { border-bottom: none; }

.table tbody tr {
  transition: background var(--motion-micro) var(--ease-standard);
}
.table tbody tr:hover { background: var(--color-muted); }

/* Sortable headers expose state via aria-sort, not colour alone */
.table th[aria-sort] button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: none;
  border: 0;
  padding: 0;
  color: inherit;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.table th[aria-sort="ascending"] .sort-icon { transform: rotate(180deg); }
.table th[aria-sort="none"] .sort-icon { opacity: 0.35; }

.table .cell-actions { text-align: right; white-space: nowrap; }

/* Empty + loading states */
.empty-state {
  padding: var(--space-7) var(--space-5);
  text-align: center;
  color: var(--color-muted-foreground);
}
.empty-state h3 { color: var(--color-foreground); }
.empty-state svg { width: 48px; height: 48px; margin-bottom: var(--space-3); opacity: 0.5; }

.skeleton {
  background: linear-gradient(90deg, var(--color-muted) 25%, var(--color-surface-raised) 50%, var(--color-muted) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite linear;
  border-radius: var(--radius-sm);
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* --------------------------------------------------------------------------
   10. Modal
   -------------------------------------------------------------------------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: none;
  place-items: center;
  padding: var(--space-4);
  /* Scrim strong enough to isolate the dialog from a dense dashboard */
  background: rgba(2, 6, 17, 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  overflow-y: auto;
}

.modal-backdrop[data-open="true"] { display: grid; }

.modal {
  width: min(560px, 100%);
  max-height: calc(100dvh - var(--space-7));
  overflow-y: auto;
  background: var(--color-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3);
  /* Enters from its trigger direction; exit handled faster in JS */
  animation: modal-in var(--motion-medium) var(--ease-decelerate);
}

.modal-wide { width: min(880px, 100%); }

@keyframes modal-in {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-5) var(--space-3);
  border-bottom: 1px solid var(--color-border);
}
.modal-header h2 { margin: 0; font-size: var(--text-lg); }
.modal-header p { margin: var(--space-1) 0 0; font-size: var(--text-sm); color: var(--color-muted-foreground); }

.modal-body { padding: var(--space-5); }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5) var(--space-5);
  border-top: 1px solid var(--color-border);
}

.modal-close {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-muted-foreground);
  cursor: pointer;
  transition: background var(--motion-micro) var(--ease-standard);
}
.modal-close:hover { background: var(--color-muted); color: var(--color-foreground); }

/* --------------------------------------------------------------------------
   11. Toasts
   -------------------------------------------------------------------------- */

.toast-region {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: min(380px, calc(100vw - var(--space-6)));
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-info);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-3);
  pointer-events: auto;
  animation: toast-in var(--motion-medium) var(--ease-decelerate);
}

.toast[data-variant="success"] { border-left-color: var(--color-success); }
.toast[data-variant="error"]   { border-left-color: var(--color-danger); }
.toast[data-variant="warning"] { border-left-color: var(--color-warning); }

.toast-body { flex: 1; font-size: var(--text-sm); min-width: 0; overflow-wrap: anywhere; }
.toast-title { font-weight: 600; }

.toast-close {
  background: none; border: 0;
  color: var(--color-muted-foreground);
  cursor: pointer;
  padding: var(--space-1);
  min-width: 32px; min-height: 32px;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   12. Chat
   -------------------------------------------------------------------------- */

.chat-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-4);
  align-items: start;
}

.conversation-list {
  max-height: calc(100dvh - var(--topbar-height) - var(--space-8));
  overflow-y: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.conversation-item {
  display: block;
  width: 100%;
  padding: var(--space-3);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background var(--motion-micro) var(--ease-standard);
}
.conversation-item:hover { background: var(--color-muted); }
.conversation-item[aria-current="true"] {
  background: color-mix(in srgb, var(--color-accent) 14%, transparent);
  box-shadow: inset 3px 0 0 var(--color-accent);
}

.conversation-name { font-weight: 600; font-size: var(--text-sm); }
.conversation-preview {
  font-size: var(--text-xs);
  color: var(--color-muted-foreground);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-panel {
  display: flex;
  flex-direction: column;
  height: calc(100dvh - var(--topbar-height) - var(--space-8));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.chat-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-raised);
}

.chat-thread {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.bubble {
  max-width: min(72ch, 78%);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  overflow-wrap: anywhere;
}

.bubble-in {
  align-self: flex-start;
  background: var(--color-muted);
  border-bottom-left-radius: var(--space-1);
}

.bubble-out {
  align-self: flex-end;
  background: color-mix(in srgb, var(--color-accent) 22%, var(--color-surface));
  border: 1px solid color-mix(in srgb, var(--color-accent) 40%, transparent);
  border-bottom-right-radius: var(--space-1);
}

.bubble-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-muted-foreground);
}

.chat-composer {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-raised);
}
.chat-composer .textarea { min-height: 44px; max-height: 140px; }

/* --------------------------------------------------------------------------
   13. Charts
   -------------------------------------------------------------------------- */

.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-4);
}

.chart-box { position: relative; height: 300px; }
.chart-box canvas { max-width: 100%; }

.funnel-row {
  display: grid;
  grid-template-columns: 140px 1fr 64px;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.funnel-bar-track {
  height: 28px;
  background: var(--color-muted);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.funnel-bar-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  transition: width var(--motion-medium) var(--ease-decelerate);
}
.funnel-count { text-align: right; font-family: 'Fira Code', monospace; font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------------------------
   14. Login
   -------------------------------------------------------------------------- */

.auth-page {
  display: grid;
  place-items: center;
  min-height: 100dvh;
  padding: var(--space-4);
  background:
    radial-gradient(1000px 600px at 15% -10%, rgba(34, 197, 94, 0.14), transparent 60%),
    radial-gradient(900px 500px at 110% 110%, rgba(96, 165, 250, 0.12), transparent 60%),
    var(--color-background);
}

.auth-card {
  width: min(430px, 100%);
  padding: var(--space-6);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3);
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

/* --------------------------------------------------------------------------
   15. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .chat-layout { grid-template-columns: 1fr; }
  .conversation-list { max-height: 320px; }
  .chat-panel { height: 60dvh; }
}

@media (max-width: 768px) {
  .app-shell { grid-template-columns: 1fr; }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(var(--sidebar-width), 84vw);
    transform: translateX(-100%);
    transition: transform var(--motion-medium) var(--ease-standard);
  }
  .sidebar[data-open="true"] { transform: none; box-shadow: var(--shadow-3); }

  .nav-toggle { display: inline-flex; }

  .page-content { padding: var(--space-4); }
  .page-header { flex-direction: column; align-items: stretch; }

  .metric-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
  .metric-value { font-size: var(--text-2xl); }

  h1 { font-size: var(--text-2xl); }

  .toast-region { left: var(--space-4); right: var(--space-4); width: auto; }
  .modal-footer { flex-direction: column-reverse; }
  .modal-footer .btn { width: 100%; }
}

@media (max-width: 420px) {
  .page-content { padding: var(--space-3); }
  .card { padding: var(--space-4); }
  .bubble { max-width: 90%; }
}

@media print {
  .sidebar, .topbar, .btn, .toast-region { display: none !important; }
  .card { border: 1px solid #ccc; box-shadow: none; }
}

/* --------------------------------------------------------------------------
   16. Extended components: sidebar user, topbar, dropdowns, metric icons,
       activity list, funnel fix, toast animation, page layout
   -------------------------------------------------------------------------- */

.sidebar { display: flex; flex-direction: column; }
.sidebar-scroll { flex: 1; overflow-y: auto; padding-bottom: var(--space-4); }
.sidebar-logo {
  display: grid; place-items: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: var(--color-on-accent);
  flex-shrink: 0;
}
.sidebar-close {
  display: none;
  margin-left: auto;
  background: none; border: none;
  color: var(--color-muted-foreground);
  cursor: pointer; padding: var(--space-2);
  border-radius: var(--radius-sm);
}
.sidebar-close:hover { color: var(--color-foreground); }
.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  z-index: calc(var(--z-sidebar) - 1);
  background: rgba(0,0,0,0.5);
  border: none; cursor: pointer;
}
.sidebar-overlay--visible { display: block; }
.sidebar--open { transform: none !important; }
.sidebar-user {
  display: flex; align-items: center;
  gap: var(--space-3); padding: var(--space-3);
  margin-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}
.sidebar-user-avatar {
  flex-shrink: 0; width: 36px; height: 36px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-accent) 25%, var(--color-surface));
  color: var(--color-accent);
  font-weight: 700; font-size: var(--text-sm);
  display: grid; place-items: center;
}
.sidebar-user-info { flex: 1; min-width: 0; overflow: hidden; }
.sidebar-user-name { font-size: var(--text-sm); font-weight: 600; color: var(--color-foreground); margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-user-role { font-size: var(--text-xs); color: var(--color-muted-foreground); margin: 0; }

.main-wrap { display: flex; flex-direction: column; min-width: 0; min-height: 100dvh; }
.main-content { flex: 1; padding: var(--space-5); max-width: var(--content-max); width: 100%; margin-inline: auto; }

.sidebar-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-muted-foreground);
  cursor: pointer; padding: var(--space-2);
  flex-shrink: 0;
  align-items: center;
}
.sidebar-toggle:hover { color: var(--color-foreground); background: var(--color-muted); }

.topbar-search { flex: 1; position: relative; max-width: 380px; }
.topbar-search-icon {
  position: absolute; left: var(--space-3);
  top: 50%; transform: translateY(-50%);
  color: var(--color-muted-foreground);
  pointer-events: none;
}
.topbar-search-input {
  width: 100%; height: 38px;
  padding: 0 var(--space-3) 0 calc(var(--space-3) + 20px);
  background: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-foreground);
  font: var(--text-sm)/1 'Fira Sans', sans-serif;
  transition: border-color var(--motion-micro);
}
.topbar-search-input::placeholder { color: var(--color-muted-foreground); }
.topbar-search-input:focus { outline: none; border-color: var(--color-accent); }

.topbar-right { display: flex; align-items: center; gap: var(--space-2); margin-left: auto; }
.topbar-user {
  display: flex; align-items: center;
  gap: var(--space-2); padding: var(--space-2) var(--space-3);
  background: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-foreground);
  cursor: pointer; font-size: var(--text-sm); font-weight: 500;
  transition: background var(--motion-micro);
}
.topbar-user:hover { background: var(--color-surface-raised); }
.topbar-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: color-mix(in srgb, var(--color-accent) 25%, var(--color-surface));
  color: var(--color-accent); font-weight: 700; font-size: var(--text-xs);
  display: grid; place-items: center; flex-shrink: 0;
}
.topbar-name { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.notif-badge {
  position: absolute; top: 4px; right: 4px;
  min-width: 16px; height: 16px;
  background: var(--color-danger); color: #fff;
  font-size: 10px; font-weight: 700;
  border-radius: var(--radius-pill);
  display: grid; place-items: center; padding: 0 3px;
}

.dropdown-menu {
  position: absolute; right: 0; top: calc(100% + 6px);
  min-width: 220px;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-3);
  z-index: var(--z-overlay); overflow: hidden;
  animation: dropdown-in var(--motion-short) var(--ease-decelerate);
}
@keyframes dropdown-in {
  from { opacity: 0; transform: translateY(-6px) scale(.97); }
  to   { opacity: 1; transform: none; }
}
.dropdown-header { padding: var(--space-3) var(--space-4); }
.dropdown-user-name { font-weight: 600; font-size: var(--text-sm); margin: 0 0 2px; color: var(--color-foreground); }
.dropdown-user-email { font-size: var(--text-xs); color: var(--color-muted-foreground); margin: 0 0 var(--space-2); }
.dropdown-divider { height: 1px; background: var(--color-border); margin: 0; }
.dropdown-item {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--color-foreground); font-size: var(--text-sm);
  text-decoration: none; transition: background var(--motion-micro);
}
.dropdown-item:hover { background: var(--color-muted); }
.dropdown-item svg { flex-shrink: 0; color: var(--color-muted-foreground); }
.dropdown-item--danger { color: var(--color-danger); }
.dropdown-item--danger svg { color: var(--color-danger); }
.dropdown-item--danger:hover { background: color-mix(in srgb, var(--color-danger) 12%, transparent); }

.page-actions { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.page-title { margin: 0 0 4px; font-size: var(--text-2xl); }
.page-subtitle { margin: 0; color: var(--color-muted-foreground); font-size: var(--text-sm); }

.metric-card { display: flex; gap: var(--space-3); align-items: flex-start; }
.metric-card__body { flex: 1; min-width: 0; }
.metric-card__icon {
  flex-shrink: 0; width: 44px; height: 44px;
  border-radius: var(--radius-md); display: grid; place-items: center;
}
.metric-card__icon--blue   { background: rgba(96,165,250,.15);  color: #60a5fa; }
.metric-card__icon--green  { background: rgba(74,222,128,.15);  color: #4ade80; }
.metric-card__icon--purple { background: rgba(167,139,250,.15); color: #a78bfa; }
.metric-card__icon--orange { background: rgba(251,146,60,.15);  color: #fb923c; }
.metric-card__icon--teal   { background: rgba(45,212,191,.15);  color: #2dd4bf; }
.metric-card__label { font-size: var(--text-xs); color: var(--color-muted-foreground); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; margin: 0 0 4px; }
.metric-card__value { font-size: var(--text-2xl); font-weight: 700; font-variant-numeric: tabular-nums; color: var(--color-foreground); margin: 0 0 4px; line-height: 1; }
.metric-card__sub { font-size: var(--text-xs); color: var(--color-muted-foreground); margin: 0; display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }

.activity-list { list-style: none; margin: 0; padding: 0; }
.activity-item { display: flex; gap: var(--space-3); align-items: flex-start; padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); }
.activity-item:last-child { border-bottom: none; }
.activity-dot { flex-shrink: 0; width: 8px; height: 8px; margin-top: 6px; border-radius: 50%; background: var(--color-accent); }
.activity-content { flex: 1; min-width: 0; }
.activity-action { font-size: var(--text-sm); margin: 0 0 2px; color: var(--color-foreground); }
.activity-time { font-size: var(--text-xs); color: var(--color-muted-foreground); }

.funnel-bar-wrap { height: 28px; background: var(--color-muted); border-radius: var(--radius-sm); overflow: hidden; }
.funnel-bar { height: 100%; background: var(--color-accent); border-radius: var(--radius-sm); transition: width var(--motion-medium) var(--ease-decelerate); }
.funnel-label { font-size: var(--text-sm); color: var(--color-foreground); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.toast { pointer-events: all; opacity: 0; transform: translateX(16px); transition: opacity var(--motion-short), transform var(--motion-short) var(--ease-decelerate); }
.toast--visible { opacity: 1; transform: none; }
.toast-message { flex: 1; font-size: var(--text-sm); }
.toast-close { background: none; border: none; color: var(--color-muted-foreground); cursor: pointer; padding: 2px; border-radius: var(--radius-sm); flex-shrink: 0; }
.toast-close:hover { color: var(--color-foreground); }

.required { color: var(--color-danger); }
.input--error { border-color: var(--color-danger) !important; }
.card-body { padding: var(--space-4); }

@media (max-width: 768px) {
  .sidebar-close { display: flex; align-items: center; }
  .sidebar-toggle { display: flex; }
  .topbar-name { display: none; }
}

/* Pagination */
.pagination { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-4); border-top: 1px solid var(--color-border); }
.pagination-info { font-size: var(--text-sm); color: var(--color-muted-foreground); flex: 1; text-align: center; }

/* Screen-reader only */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Danger icon button variant */
.btn-icon--danger { color: var(--color-danger); }
.btn-icon--danger:hover { background: color-mix(in srgb, var(--color-danger) 12%, transparent); }

/* Table name link */
.table-name-link { color: var(--color-foreground); font-weight: 600; text-decoration: none; }
.table-name-link:hover { color: var(--color-accent); text-decoration: underline; }

/* Monospace inline */
.mono { font-family: 'Fira Code', monospace; font-variant-numeric: tabular-nums; font-size: 0.875em; }

/* Error summary */
.error-summary {
  display: flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: color-mix(in srgb, var(--color-danger) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-danger) 40%, transparent);
  border-radius: var(--radius-md);
  color: var(--color-danger);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
  outline: none;
}

/* Color token aliases used in login.php */
:root {
  --color-bg:   var(--color-background);
  --color-text: var(--color-foreground);
  --color-text-muted: var(--color-muted-foreground);
  --radius-xl:  18px;
}

/* btn-icon base */
.btn-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-muted-foreground);
  cursor: pointer;
  transition: background var(--motion-micro), color var(--motion-micro);
  text-decoration: none;
}
.btn-icon:hover { background: var(--color-muted); color: var(--color-foreground); }