/* Archimedes Design System
 * shadcn/ui-inspired tokens + component primitives for Rails/ERB.
 * shadcn/ui is open component code rather than a runtime package; this app
 * adapts its Tailwind v4 token model and primitive semantics to Rails.
 */

/* ============================================
   CSS Custom Properties
   ============================================ */

:root {
  color-scheme: light;

  /* shadcn/ui-compatible semantic tokens */
  --background: 0 0% 100%;
  --foreground: 222.2 47.4% 11.2%;
  --card: 0 0% 100%;
  --card-foreground: 222.2 47.4% 11.2%;
  --popover: 0 0% 100%;
  --popover-foreground: 222.2 47.4% 11.2%;
  --primary: 221.2 83.2% 53.3%;
  --primary-foreground: 210 40% 98%;
  --secondary: 210 40% 96.1%;
  --secondary-foreground: 222.2 47.4% 11.2%;
  --muted: 210 40% 96.1%;
  --muted-foreground: 215.4 16.3% 46.9%;
  --accent: 210 40% 96.1%;
  --accent-foreground: 222.2 47.4% 11.2%;
  --destructive: 0 72.2% 50.6%;
  --destructive-foreground: 210 40% 98%;
  --border: 214.3 31.8% 93%;
  --input: 214.3 31.8% 91.4%;
  --ring: 221.2 83.2% 53.3%;
  --radius: 0.5rem;

  /* Rails view aliases retained for existing templates */
  --color-bg: hsl(var(--background));
  --color-bg-secondary: hsl(210 40% 98%);
  --color-bg-tertiary: hsl(var(--muted));
  --color-bg-hover: hsl(210 40% 98%);
  --color-surface: hsl(var(--card));
  --color-surface-hover: hsl(210 40% 98%);
  --color-border: hsl(var(--border));
  --color-border-subtle: hsl(214.3 31.8% 94%);

  --color-text-primary: hsl(var(--foreground));
  --color-text-secondary: hsl(var(--muted-foreground));
  --color-text-tertiary: hsl(215.4 16.3% 56.9%);
  --color-text-inverse: hsl(var(--primary-foreground));

  --color-accent: hsl(var(--primary));
  --color-accent-hover: hsl(221.2 83.2% 47%);
  --color-accent-light: hsl(221.2 83.2% 96%);
  --color-accent-text: hsl(var(--primary));

  --color-success: hsl(142.1 76.2% 36.3%);
  --color-success-light: hsl(138 76% 97%);
  --color-warning: hsl(32.1 94.6% 43.7%);
  --color-warning-light: hsl(48 96% 97%);
  --color-danger: hsl(var(--destructive));
  --color-danger-light: hsl(0 85.7% 97.3%);
  --color-info: hsl(221.2 83.2% 53.3%);
  --color-info-light: hsl(214 100% 97%);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border radius */
  --radius-sm: calc(var(--radius) - 0.125rem);
  --radius-md: var(--radius);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 0.25rem);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(15 23 42 / 0.04);
  --shadow-md: 0 8px 18px -12px rgb(15 23 42 / 0.18);
  --shadow-lg: 0 18px 32px -18px rgb(15 23 42 / 0.24);

  /* Sidebar */
  --sidebar-width: 240px;
  --sidebar-collapsed-width: 64px;
  --sidebar-bg: hsl(222.2 47.4% 11.2%);
  --sidebar-text: hsl(215 20.2% 75%);
  --sidebar-text-active: hsl(210 40% 98%);
  --sidebar-hover: hsl(217.2 32.6% 17.5%);
  --sidebar-active: hsl(221.2 83.2% 53.3% / 0.22);
  --sidebar-border: hsl(217.2 32.6% 24%);
}

* {
  border-color: var(--color-border);
}

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

body {
  font-feature-settings: "rlig" 1, "calt" 1;
}

a,
button,
input,
select,
textarea {
  outline-color: hsl(var(--ring));
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
}

button,
[role="button"],
input[type="submit"],
input[type="button"],
input[type="reset"] {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled,
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.5;
}


/* ============================================
   Sidebar
   ============================================ */

.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 40;
  overflow-y: auto;
  overflow-x: hidden;
  border-right: 1px solid var(--sidebar-border);
}

.sidebar-brand {
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  border-bottom: 1px solid var(--sidebar-border);
  flex-shrink: 0;
  /* button reset — sidebar-brand is now a clickable toggle */
  width: 100%;
  background: transparent;
  border-left: 0;
  border-right: 0;
  border-top: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.15s;
}

.sidebar-brand:hover {
  background: var(--sidebar-hover);
}

.sidebar-logo {
  width: 32px;
  height: 32px;
  background: hsl(var(--primary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.sidebar-brand-text {
  color: var(--sidebar-text-active);
  font-weight: 600;
  font-size: 1.125rem;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-sm) 0;
  overflow-y: auto;
}

.sidebar-section {
  padding: 0 var(--space-sm);
}

.sidebar-section-label {
  padding: var(--space-md) var(--space-lg) var(--space-xs);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sidebar-text);
  opacity: 0.5;
}

.sidebar-section-divider {
  height: 1px;
  background: var(--sidebar-border);
  margin: var(--space-sm) var(--space-lg);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.4375rem var(--space-md);
  border-radius: var(--radius-md);
  color: var(--sidebar-text);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s;
  margin: 1px 0;
}

.sidebar-link:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-text-active);
}

.sidebar-link.active {
  background: var(--sidebar-active);
  color: var(--sidebar-text-active);
  box-shadow: inset 0 0 0 1px hsl(var(--primary) / 0.18);
}

.sidebar-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-link.active svg {
  opacity: 1;
}

.sidebar-footer {
  border-top: 1px solid var(--sidebar-border);
  padding: var(--space-sm);
  flex-shrink: 0;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  margin-top: var(--space-xs);
}

.sidebar-user-avatar {
  width: 28px;
  height: 28px;
  background: hsl(var(--primary));
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.6875rem;
  font-weight: 600;
  flex-shrink: 0;
}

.sidebar-user-name {
  color: var(--sidebar-text);
  font-size: 0.8125rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-signout {
  background: none;
  border: none;
  color: var(--sidebar-text);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 0;
  opacity: 0.6;
  transition: opacity 0.15s;
}

.sidebar-signout:hover {
  opacity: 1;
}

/* Mobile sidebar overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 35;
}

.sidebar-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  cursor: pointer;
  padding: 0;
}

.sidebar-toggle svg {
  width: 24px;
  height: 24px;
}


/* ============================================
   Main Content
   ============================================ */

.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.top-bar {
  min-height: 56px;
  background: hsl(var(--background) / 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
  position: sticky;
  top: 0;
  z-index: 30;
  flex-shrink: 0;
}

.top-bar-search {
  position: relative;
}

.search-input {
  width: 280px;
  padding: 0.375rem 0.75rem 0.375rem 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
  transition: all 0.15s;
}

.search-input:focus {
  background-color: var(--color-surface);
  border-color: hsl(var(--ring));
  box-shadow: 0 0 0 3px hsl(var(--ring) / 0.16);
  outline: none;
  width: 360px;
}

.search-input::placeholder {
  color: var(--color-text-tertiary);
}

.search-icon {
  position: absolute;
  left: 0.625rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--color-text-tertiary);
  pointer-events: none;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.page-content {
  padding: var(--space-lg) var(--space-xl);
  flex: 1;
}


/* ============================================
   Cards
   ============================================ */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: hsl(var(--card-foreground));
}

.surface-panel {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.card-elevated {
  box-shadow: var(--shadow-sm);
}

.card-header {
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.card-body {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
}

.card-body-compact {
  padding: var(--space-md);
}

.card-body-flush {
  padding: 0;
}


/* ============================================
   Stats Grid
   ============================================ */

.stats-grid {
  display: grid;
  gap: var(--space-md);
}

.stats-grid-3 { grid-template-columns: repeat(3, 1fr); }
.stats-grid-4 { grid-template-columns: repeat(4, 1fr); }
.stats-grid-5 { grid-template-columns: repeat(5, 1fr); }
.stats-grid-6 { grid-template-columns: repeat(6, 1fr); }

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.stat-label {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-top: var(--space-xs);
  line-height: 1.2;
}

.stat-detail {
  font-size: 0.6875rem;
  color: var(--color-text-tertiary);
  margin-top: 0.125rem;
}


/* ============================================
   Data Table
   ============================================ */

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.875rem;
}

.data-table thead th {
  text-align: left;
  height: 2.25rem;
  padding: 0 var(--space-md);
  font-weight: 500;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  letter-spacing: 0;
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border-subtle);
  background: transparent;
  white-space: nowrap;
}

.data-table thead th:last-child { border-right: none; }

.data-table tbody td {
  padding: 0.4375rem var(--space-md);
  border-bottom: 1px solid var(--color-border-subtle);
  border-right: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
  vertical-align: middle;
}

.data-table tbody td:last-child { border-right: none; }

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

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

.data-table caption {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
  text-align: left;
}

.data-table .text-right { text-align: right; }
.data-table .text-center { text-align: center; }


/* ============================================
   Badges
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  min-height: 1.25rem;
  padding: 0.125rem 0.5rem;
  border: 1px solid transparent;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1;
  white-space: nowrap;
}

.badge-green { background: var(--color-success-light); color: var(--color-success); border-color: hsl(142.1 76.2% 36.3% / 0.18); }
.badge-red { background: var(--color-danger-light); color: var(--color-danger); border-color: hsl(var(--destructive) / 0.18); }
.badge-yellow { background: var(--color-warning-light); color: var(--color-warning); border-color: hsl(32.1 94.6% 43.7% / 0.2); }
.badge-blue { background: var(--color-info-light); color: var(--color-info); border-color: hsl(221.2 83.2% 53.3% / 0.18); }
.badge-gray { background: hsl(var(--secondary)); color: hsl(var(--secondary-foreground)); border-color: hsl(var(--border)); }
.badge-indigo,
.badge-purple { background: var(--color-accent-light); color: var(--color-accent-text); border-color: hsl(var(--primary) / 0.18); }

/*
 * .tag — Midday-style colored-square + plain-text label.
 * Quieter than .badge (no pill, no fill, no border). Use for
 * categories, directions ("LONG"), pods, statuses where a pill
 * carries too much visual weight. Pages opt in over time.
 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-text-primary);
  white-space: nowrap;
}

.tag-dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 2px;
  flex-shrink: 0;
}

.tag-green .tag-dot { background: hsl(142.1 76.2% 36.3%); }
.tag-red .tag-dot { background: hsl(var(--destructive)); }
.tag-yellow .tag-dot { background: hsl(32.1 94.6% 43.7%); }
.tag-blue .tag-dot { background: hsl(221.2 83.2% 53.3%); }
.tag-gray .tag-dot { background: hsl(214.3 31.8% 70%); }
.tag-indigo .tag-dot { background: hsl(var(--primary)); }
.tag-purple .tag-dot { background: hsl(280 67% 55%); }

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.dot-green { background: var(--color-success); }
.dot-red { background: var(--color-danger); }
.dot-yellow { background: var(--color-warning); }
.dot-gray { background: var(--color-text-tertiary); }

.dot-pulse {
  animation: pulse 2s infinite;
}


/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 2.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  border: 1px solid transparent;
  text-decoration: none;
  line-height: 1.25;
  white-space: nowrap;
  box-shadow: none;
}

.btn-primary {
  background: hsl(222.2 47.4% 11.2%);
  color: hsl(210 40% 98%);
  border-color: hsl(222.2 47.4% 11.2%);
}

.btn-primary:hover {
  background: hsl(222.2 47.4% 6%);
  border-color: hsl(222.2 47.4% 6%);
}

.btn-secondary {
  background: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
  border-color: hsl(var(--border));
}

.btn-secondary:hover {
  background: var(--color-bg-secondary);
}

.btn-danger {
  background: hsl(var(--destructive));
  color: hsl(var(--destructive-foreground));
  border-color: hsl(var(--destructive));
}

.btn-danger:hover {
  background: hsl(0 72.2% 45%);
}

.btn-warning {
  background: var(--color-warning);
  color: hsl(48 96% 98%);
  border-color: var(--color-warning);
}

.btn-warning:hover {
  background: hsl(32.1 94.6% 38%);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  background: var(--color-bg-tertiary);
}

.btn-sm {
  min-height: 1.75rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.8125rem;
}

.btn-xs {
  min-height: 1.625rem;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
}

.btn-icon {
  width: 2.5rem;
  padding: 0;
}

.btn-icon.btn-sm {
  width: 2rem;
}

.button_to {
  display: inline-flex;
}

.button_to .btn {
  width: 100%;
}


/* ============================================
   Page Header
   ============================================ */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.page-title-display {
  color: var(--color-text-primary);
  font-family: ui-serif, "Charter", "Iowan Old Style", Georgia, serif;
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-title-display .accent {
  color: var(--color-text-secondary);
  font-weight: 300;
}

.page-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

.section-title {
  color: var(--color-text-primary);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-sm);
}

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

.breadcrumb a:hover {
  text-decoration: underline;
}


/* ============================================
   Tabs
   ============================================ */

.ds-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  gap: 0;
  margin-bottom: var(--space-xl);
}

.ds-tab {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-tertiary);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}

.ds-tab:hover {
  color: var(--color-text-primary);
}

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


/* ============================================
   Flash Messages
   ============================================ */

.flash {
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  border: 1px solid var(--color-border);
}

.flash-success {
  background: var(--color-success-light);
  color: var(--color-success);
  border: 1px solid #bbf7d0;
}

.flash-danger {
  background: var(--color-danger-light);
  color: var(--color-danger);
  border: 1px solid #fecaca;
}


/* ============================================
   Forms
   ============================================ */

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.form-input {
  width: 100%;
  min-height: 2.5rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid hsl(var(--input));
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--color-text-primary);
  background: var(--color-surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-input:focus {
  outline: none;
  border-color: hsl(var(--ring));
  box-shadow: 0 0 0 3px hsl(var(--ring) / 0.16);
}

.form-input::placeholder {
  color: var(--color-text-tertiary);
}

textarea.form-input,
textarea:not([class]) {
  min-height: 5rem;
  resize: vertical;
}

select.form-input,
select:not([class]) {
  appearance: auto;
  background-color: var(--color-surface);
}

input:not([type="hidden"]):not([type="checkbox"]):not([type="radio"]):not([class]),
select:not([class]),
textarea:not([class]) {
  width: 100%;
  min-height: 2.5rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid hsl(var(--input));
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--color-text-primary);
  background: var(--color-surface);
}

input[type="checkbox"],
input[type="radio"] {
  width: 1rem;
  height: 1rem;
  accent-color: hsl(var(--primary));
}

.field_with_errors .form-input,
.field_with_errors input,
.field_with_errors select,
.field_with_errors textarea {
  border-color: hsl(var(--destructive));
}

.field_with_errors .form-input:focus,
.field_with_errors input:focus,
.field_with_errors select:focus,
.field_with_errors textarea:focus {
  box-shadow: 0 0 0 3px hsl(var(--destructive) / 0.16);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 9rem;
  padding: var(--space-xl);
  color: var(--color-text-secondary);
  text-align: center;
}

.empty-state-title {
  color: var(--color-text-primary);
  font-size: 0.9375rem;
  font-weight: 600;
}

.empty-state-description {
  max-width: 32rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.alert {
  display: grid;
  gap: 0.25rem;
  padding: var(--space-md);
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  background: var(--color-surface);
}

.alert-title {
  font-size: 0.875rem;
  font-weight: 600;
}

.alert-description {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.alert-danger {
  border-color: hsl(var(--destructive) / 0.35);
  background: var(--color-danger-light);
}

.alert-danger .alert-title,
.alert-danger .alert-description {
  color: var(--color-danger);
}

.alert-warning {
  border-color: hsl(32.1 94.6% 43.7% / 0.35);
  background: var(--color-warning-light);
}

.alert-warning .alert-title,
.alert-warning .alert-description {
  color: var(--color-warning);
}

.progress {
  height: 0.5rem;
  overflow: hidden;
  border-radius: 9999px;
  background: hsl(var(--secondary));
}

.progress-bar {
  height: 100%;
  border-radius: inherit;
  background: hsl(var(--primary));
}

.prose {
  color: var(--color-text-primary);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.prose p + p {
  margin-top: 0.875rem;
}

.briefing-shell {
  display: grid;
  gap: var(--space-lg);
  width: 100%;
}

.briefing-hero {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-lg);
}

.briefing-kicker {
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
}

.briefing-title {
  color: var(--color-text-primary);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.15;
}

.briefing-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
}

.briefing-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: minmax(0, 1fr);
}

.briefing-main {
  min-width: 0;
}

.briefing-narrative {
  padding: var(--space-lg);
}

.briefing-side {
  display: grid;
  align-content: start;
  gap: var(--space-md);
}

.meta-list {
  display: grid;
  gap: var(--space-sm);
}

.meta-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
}

.meta-row strong {
  color: var(--color-text-primary);
  font-weight: 500;
}

.accordion-stack {
  display: grid;
  gap: var(--space-sm);
}

.accordion-item {
  overflow: hidden;
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  background: hsl(var(--card));
  box-shadow: var(--shadow-sm);
}

.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 3rem;
  padding: 0 var(--space-md);
  color: var(--color-text-primary);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  list-style: none;
}

.accordion-trigger::-webkit-details-marker {
  display: none;
}

.accordion-trigger::after {
  content: "+";
  display: grid;
  place-items: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  background: hsl(var(--secondary));
  font-weight: 500;
}

.accordion-item[open] .accordion-trigger {
  border-bottom: 1px solid hsl(var(--border));
}

.accordion-item[open] .accordion-trigger::after {
  content: "-";
}

.accordion-content {
  padding: var(--space-md);
}

.briefing-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
}

.midday-shell {
  display: grid;
  gap: var(--space-lg);
  width: 100%;
}

.midday-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-lg);
}

.midday-eyebrow {
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
}

.midday-title {
  color: var(--color-text-primary);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.15;
}

.midday-subtitle {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-top: 0.375rem;
}

.midday-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-sm);
}

.midday-kpi-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.midday-kpi {
  min-height: 8rem;
  padding: var(--space-lg);
}

.midday-kpi-label {
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
}

.midday-kpi-value {
  color: var(--color-text-primary);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  margin-top: 1.25rem;
}

.midday-kpi-note {
  color: var(--color-text-tertiary);
  font-size: 0.75rem;
  margin-top: 0.625rem;
}

.midday-command-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding: var(--space-sm);
}

.midday-command {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  min-height: 2rem;
  padding: 0.375rem 0.625rem;
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  background: hsl(var(--card));
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
}

.midday-command:hover {
  background: hsl(var(--secondary));
}

.midday-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 4rem;
  padding: 0 var(--space-lg);
  border-bottom: 1px solid hsl(var(--border));
}

.midday-card-title {
  color: var(--color-text-primary);
  font-size: 0.9375rem;
  font-weight: 600;
}

.midday-card-description {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  margin-top: 0.125rem;
}

.midday-card-body {
  padding: var(--space-lg);
}

.midday-grid-2 {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.midday-tile-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.midday-tile {
  min-height: 7rem;
  padding: var(--space-md);
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  background: hsl(var(--card));
}

.midday-muted-list {
  display: grid;
  gap: 0.5rem;
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
}

.midday-muted-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.form-hint {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  margin-top: var(--space-xs);
}


/* ============================================
   Utilities (Midday-influenced primitives)
   ============================================ */

.divider {
  height: 1px;
  margin: var(--space-lg) 0;
  background: var(--color-border-subtle);
  border: 0;
}

.section-spacer {
  height: var(--space-2xl);
}

.kbd {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.375rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-tertiary);
  color: var(--color-text-tertiary);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.6875rem;
  font-weight: 500;
}

.action-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.action-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  min-height: 1.75rem;
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.15s, color 0.15s;
}

.action-chip:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.action-chip svg {
  width: 14px;
  height: 14px;
}


/* ============================================
   Sidebar rail (icon-only) mode
   ============================================ */

.sidebar--rail {
  width: var(--sidebar-collapsed-width);
}

.sidebar--rail .sidebar-brand {
  justify-content: center;
  padding: var(--space-md) 0;
}

.sidebar--rail .sidebar-brand-text,
.sidebar--rail .sidebar-link span,
.sidebar--rail .sidebar-section-label,
.sidebar--rail .sidebar-user-name {
  display: none;
}

.sidebar--rail .sidebar-section-divider {
  margin: var(--space-sm) var(--space-sm);
}

.sidebar--rail .sidebar-link {
  justify-content: center;
  padding: 0.5rem 0;
}

.sidebar--rail .sidebar-user {
  justify-content: center;
  padding: var(--space-sm) 0;
}

.main-content--rail {
  margin-left: var(--sidebar-collapsed-width);
}


/* ============================================
   Animations
   ============================================ */

.page-content {
  animation: fadeIn 0.15s ease;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.skeleton {
  background: linear-gradient(90deg, var(--color-bg-tertiary) 25%, var(--color-bg-secondary) 50%, var(--color-bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}


/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1023px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.open {
    display: block;
  }

  .sidebar-toggle {
    display: flex;
  }

  .main-content {
    margin-left: 0;
  }

  .search-input:focus {
    width: 280px;
  }
}

@media (min-width: 1024px) {
  .briefing-grid {
    grid-template-columns: minmax(0, 1fr) 18rem;
    align-items: start;
  }

  .briefing-side {
    position: sticky;
    top: 5rem;
  }
}

@media (max-width: 767px) {
  .midday-toolbar {
    display: grid;
  }

  .midday-actions {
    justify-content: flex-start;
  }

  .midday-kpi-grid,
  .midday-grid-2,
  .midday-tile-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid-4,
  .stats-grid-5,
  .stats-grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-content {
    padding: var(--space-md);
  }
}

@media (max-width: 639px) {
  .stats-grid,
  .stats-grid-3,
  .stats-grid-4,
  .stats-grid-5,
  .stats-grid-6 {
    grid-template-columns: 1fr;
  }
}