/**
 * BAULOCK Design System
 * Industrial Precision Aesthetic for Construction Management
 *
 * Colors: Steel slate, concrete grays, safety amber
 * Typography: DM Sans (UI) + JetBrains Mono (data)
 * Feel: Robust, precise, German engineering
 */

/* ================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ================================================ */
:root {
  /* Primary - Steel/Slate */
  --color-steel-950: #0c0f14;
  --color-steel-900: #151921;
  --color-steel-800: #1e242e;
  --color-steel-700: #2a323f;
  --color-steel-600: #3d4759;
  --color-steel-500: #556275;
  --color-steel-400: #7d8a9d;
  --color-steel-300: #a8b3c4;
  --color-steel-200: #d0d7e2;
  --color-steel-100: #e8ecf1;
  --color-steel-50: #f4f6f9;

  /* Accent - Safety Amber */
  --color-amber-500: #f59e0b;
  --color-amber-400: #fbbf24;
  --color-amber-300: #fcd34d;
  --color-amber-600: #d97706;

  /* Semantic Colors */
  --color-success: #22c55e;
  --color-success-muted: #166534;
  --color-warning: #f59e0b;
  --color-warning-muted: #92400e;
  --color-danger: #ef4444;
  --color-danger-muted: #991b1b;
  --color-info: #3b82f6;
  --color-info-muted: #1e40af;

  /* Backgrounds */
  --bg-app: #f4f6f9;
  --bg-card: #ffffff;
  --bg-sidebar: #151921;
  --bg-sidebar-hover: #1e242e;
  --bg-sidebar-active: #2a323f;

  /* Text */
  --text-primary: #151921;
  --text-secondary: #556275;
  --text-muted: #7d8a9d;
  --text-inverse: #ffffff;
  --text-accent: #f59e0b;

  /* Borders */
  --border-default: #d0d7e2;
  --border-strong: #a8b3c4;
  --border-subtle: #e8ecf1;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(21 25 33 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(21 25 33 / 0.08), 0 2px 4px -2px rgb(21 25 33 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(21 25 33 / 0.08), 0 4px 6px -4px rgb(21 25 33 / 0.05);
  --shadow-card: 0 1px 3px 0 rgb(21 25 33 / 0.06), 0 1px 2px -1px rgb(21 25 33 / 0.06);

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
}

/* Dark mode overrides (for super-admin) */
[data-theme="dark"] {
  --bg-app: #0c0f14;
  --bg-card: #1e242e;
  --text-primary: #e8ecf1;
  --text-secondary: #a8b3c4;
  --text-muted: #7d8a9d;
  --border-default: #3d4759;
  --border-subtle: #2a323f;
}

/* ================================================
   BASE STYLES
   ================================================ */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-app);
  margin: 0;
  min-height: 100vh;
}

/* ================================================
   TYPOGRAPHY
   ================================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  margin: 0;
  color: var(--text-primary);
}

h1 { font-size: 1.75rem; letter-spacing: -0.025em; }
h2 { font-size: 1.375rem; letter-spacing: -0.02em; }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }

p { margin: 0; }

.text-mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.875em;
}

.text-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--text-accent); }

/* ================================================
   LAYOUT: SIDEBAR
   ================================================ */
.sidebar {
  width: 260px;
  min-height: 100vh;
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 40;
}

.sidebar-header {
  padding: var(--space-5) var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.sidebar-logo-img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  object-fit: contain;
  background: rgba(255,255,255,0.05);
}

.sidebar-logo-text {
  display: flex;
  flex-direction: column;
}

.sidebar-logo-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-inverse);
  line-height: 1.2;
}

.sidebar-logo-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-steel-500);
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4) 0;
  overflow-y: auto;
}

.sidebar-section {
  margin-bottom: var(--space-4);
}

.sidebar-section-title {
  padding: var(--space-2) var(--space-5);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-steel-500);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  color: var(--color-steel-200);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
  margin: 2px 0;
}

.sidebar-link:hover {
  background: var(--bg-sidebar-hover);
  color: #fff;
}

.sidebar-link.active {
  background: var(--bg-sidebar-active);
  color: var(--text-inverse);
  border-left-color: var(--color-amber-500);
}

.sidebar-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-link i {
  width: 20px;
  font-size: 1rem;
  text-align: center;
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-link.active svg,
.sidebar-link.active i {
  opacity: 1;
  color: var(--color-amber-500);
}

.sidebar-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ================================================
   LAYOUT: MAIN CONTENT
   ================================================ */
.main-wrapper {
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 30;
}

.main-header-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.main-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.main-content {
  flex: 1;
  padding: var(--space-6);
}

.main-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ================================================
   COMPONENTS: CARDS
   ================================================ */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-subtle);
}

.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
}

.card-body {
  padding: var(--space-5) var(--space-6);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-subtle);
  background: var(--color-steel-50);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ================================================
   COMPONENTS: BUTTONS
   ================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-steel-800);
  color: var(--text-inverse);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-steel-700);
}

.btn-accent {
  background: var(--color-amber-500);
  color: var(--color-steel-900);
}

.btn-accent:hover:not(:disabled) {
  background: var(--color-amber-400);
}

.btn-secondary {
  background: var(--color-steel-100);
  color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-steel-200);
}

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

.btn-ghost:hover:not(:disabled) {
  background: var(--color-steel-100);
  color: var(--text-primary);
}

.btn-danger {
  background: var(--color-danger);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: #dc2626;
}

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: 0.8125rem;
}

.btn-lg {
  padding: var(--space-3) var(--space-6);
  font-size: 1rem;
}

/* ================================================
   COMPONENTS: FORMS
   ================================================ */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-label-optional {
  font-weight: 400;
  color: var(--text-muted);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-steel-500);
  box-shadow: 0 0 0 3px rgba(85, 98, 117, 0.1);
}

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

.form-hint {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.form-error {
  font-size: 0.8125rem;
  color: var(--color-danger);
  margin-top: var(--space-1);
}

/* ================================================
   COMPONENTS: TABLES
   ================================================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}

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

.table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  background: var(--color-steel-50);
  border-bottom: 1px solid var(--border-subtle);
}

.table td {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  vertical-align: middle;
}

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

.table tbody tr:hover {
  background: var(--color-steel-50);
}

/* ================================================
   COMPONENTS: BADGES
   ================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-radius: var(--radius-sm);
}

.badge-default {
  background: var(--color-steel-100);
  color: var(--color-steel-600);
}

.badge-success {
  background: #dcfce7;
  color: var(--color-success-muted);
}

.badge-warning {
  background: #fef3c7;
  color: var(--color-warning-muted);
}

.badge-danger {
  background: #fee2e2;
  color: var(--color-danger-muted);
}

.badge-info {
  background: #dbeafe;
  color: var(--color-info-muted);
}

/* ================================================
   COMPONENTS: ALERTS / FLASH
   ================================================ */
.alert {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.alert-success {
  background: #dcfce7;
  color: var(--color-success-muted);
  border-left: 4px solid var(--color-success);
}

.alert-error {
  background: #fee2e2;
  color: var(--color-danger-muted);
  border-left: 4px solid var(--color-danger);
}

.alert-warning {
  background: #fef3c7;
  color: var(--color-warning-muted);
  border-left: 4px solid var(--color-warning);
}

.alert-info {
  background: #dbeafe;
  color: var(--color-info-muted);
  border-left: 4px solid var(--color-info);
}

/* ================================================
   COMPONENTS: TABS
   ================================================ */
.tabs {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
}

.tab {
  padding: var(--space-3) var(--space-5);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.tab:hover {
  background: var(--color-steel-100);
  color: var(--text-primary);
}

.tab.active {
  background: var(--color-steel-800);
  color: var(--text-inverse);
}

/* ================================================
   COMPONENTS: STATS
   ================================================ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-change {
  font-size: 0.8125rem;
  margin-top: var(--space-2);
}

.stat-change.positive { color: var(--color-success); }
.stat-change.negative { color: var(--color-danger); }

/* ================================================
   COMPONENTS: EMPTY STATE
   ================================================ */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  color: var(--color-steel-300);
}

.empty-state-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state-text {
  color: var(--text-muted);
  max-width: 320px;
  margin: 0 auto var(--space-5);
}

/* ================================================
   PAGE: HEADER
   ================================================ */
.page-header {
  margin-bottom: var(--space-6);
}

.page-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

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

.page-subtitle {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* ================================================
   UTILITIES
   ================================================ */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }

.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Construction stripe accent */
.stripe-accent {
  background: repeating-linear-gradient(
    135deg,
    var(--color-amber-500),
    var(--color-amber-500) 10px,
    var(--color-steel-900) 10px,
    var(--color-steel-900) 20px
  );
  height: 4px;
}

/* ================================================
   MOBILE SIDEBAR TOGGLE
   ================================================ */
.sidebar-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
  background: var(--color-steel-100);
  color: var(--text-primary);
}

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

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 35;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.sidebar-overlay.visible {
  opacity: 1;
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 1024px) {
  .sidebar-toggle {
    display: flex;
  }

  .sidebar-overlay {
    display: block;
    pointer-events: none;
  }

  .sidebar-overlay.visible {
    pointer-events: auto;
  }

  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
  }

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

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

@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3 {
    grid-template-columns: 1fr;
  }
}

/* ================================================
   TinyMCE Overrides - Text selektierbar machen
   ================================================ */
.tox-dialog,
.tox-dialog * ,
.tox-notification,
.tox-notification *,
.tox .tox-dialog__body-content,
.tox .tox-dialog__body-content * {
  user-select: text !important;
  -webkit-user-select: text !important;
  -moz-user-select: text !important;
}