/* ==========================================================================
   AM-NEXUS DESIGN SYSTEM
   Industrial Precision - Bold, Confident, Purpose-Built for Construction
   ========================================================================== */

/* ==========================================================================
   PART 1: CSS CUSTOM PROPERTIES & TYPOGRAPHY
   ========================================================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=DM+Serif+Display&display=swap');

:root {
  /* ========================================
     COLOR SYSTEM - Dark Theme (Default)
     Deep Industrial Palette
     ======================================== */

  /* Backgrounds - Deep slate foundation */
  --color-bg-primary: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-elevated: #1e293b;
  --color-bg-subtle: rgba(255, 255, 255, 0.03);
  --color-bg-muted: #334155;
  --color-bg-hover: rgba(255, 255, 255, 0.06);
  --color-bg-active: rgba(255, 255, 255, 0.1);

  /* Text - High contrast for visibility */
  --color-text-primary: #f8fafc;
  --color-text-secondary: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-text-subtle: #64748b;
  --color-text-inverse: #0f172a;

  /* Brand - Amteck Red */
  --color-brand-primary: #b22222;
  --color-brand-hover: #991b1b;
  --color-brand-active: #7f1d1d;
  --color-brand-subtle: rgba(178, 34, 34, 0.15);
  --color-brand-glow: rgba(178, 34, 34, 0.4);

  /* Semantic Colors */
  --color-success: #059669;
  --color-success-light: #34d399;
  --color-success-subtle: rgba(5, 150, 105, 0.15);

  --color-warning: #d97706;
  --color-warning-light: #fbbf24;
  --color-warning-subtle: rgba(217, 119, 6, 0.15);

  --color-danger: #dc2626;
  --color-danger-light: #f87171;
  --color-danger-subtle: rgba(220, 38, 38, 0.15);

  --color-info: #0284c7;
  --color-info-light: #38bdf8;
  --color-info-subtle: rgba(2, 132, 199, 0.15);

  /* Borders */
  --color-border: #334155;
  --color-border-hover: #475569;
  --color-border-subtle: rgba(51, 65, 85, 0.5);
  --color-border-focus: var(--color-brand-primary);

  /* Shadows - Dark theme uses darker shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.3);
  --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.3);
  --shadow-glow: 0 0 20px var(--color-brand-glow);
}

/* ========================================
   LIGHT THEME
   Clean, professional, high-contrast
   ======================================== */

[data-theme="light"] {
  /* Backgrounds - Warm white foundation */
  --color-bg-primary: #f8fafc;
  --color-bg-secondary: #ffffff;
  --color-bg-elevated: #ffffff;
  --color-bg-subtle: rgba(0, 0, 0, 0.02);
  --color-bg-muted: #e2e8f0;
  --color-bg-hover: rgba(0, 0, 0, 0.04);
  --color-bg-active: rgba(0, 0, 0, 0.08);

  /* Text - Dark for readability */
  --color-text-primary: #0f172a;
  --color-text-secondary: #1e293b;
  --color-text-muted: #64748b;
  --color-text-subtle: #94a3b8;
  --color-text-inverse: #f8fafc;

  /* Brand - Amteck Red (slightly adjusted for light bg) */
  --color-brand-primary: #b22222;
  --color-brand-hover: #991b1b;
  --color-brand-active: #7f1d1d;
  --color-brand-subtle: rgba(178, 34, 34, 0.1);
  --color-brand-glow: rgba(178, 34, 34, 0.25);

  /* Semantic Colors - Darker for light theme */
  --color-success: #047857;
  --color-success-light: #10b981;
  --color-success-subtle: rgba(4, 120, 87, 0.1);

  --color-warning: #b45309;
  --color-warning-light: #f59e0b;
  --color-warning-subtle: rgba(180, 83, 9, 0.1);

  --color-danger: #b91c1c;
  --color-danger-light: #ef4444;
  --color-danger-subtle: rgba(185, 28, 28, 0.1);

  --color-info: #0369a1;
  --color-info-light: #0ea5e9;
  --color-info-subtle: rgba(3, 105, 161, 0.1);

  /* Borders - Subtle gray */
  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e1;
  --color-border-subtle: rgba(226, 232, 240, 0.8);
  --color-border-focus: var(--color-brand-primary);

  /* Shadows - Lighter, softer shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.06);
}

/* Light theme specific form adjustments */
[data-theme="light"] select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
}

[data-theme="light"] input[type="date"]::-webkit-calendar-picker-indicator,
[data-theme="light"] input[type="time"]::-webkit-calendar-picker-indicator,
[data-theme="light"] input[type="datetime-local"]::-webkit-calendar-picker-indicator {
  filter: none;
}

:root {
  /* ========================================
     SPACING SCALE
     ======================================== */
  --space-0: 0;
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* ========================================
     TOUCH TARGETS - WCAG 2.2 Compliant
     ======================================== */
  --touch-target-min: 44px;
  --touch-target-comfortable: 48px;
  --touch-target-large: 56px;

  /* ========================================
     TYPOGRAPHY
     ======================================== */
  --font-family-display: 'DM Serif Display', Georgia, 'Times New Roman', serif;
  --font-family-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-none: 1;
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;

  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;
  --letter-spacing-wider: 0.05em;
  --letter-spacing-widest: 0.1em;

  /* ========================================
     BORDERS & RADII
     ======================================== */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* ========================================
     TRANSITIONS
     ======================================== */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-bounce: 300ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* ========================================
     Z-INDEX SCALE
     ======================================== */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;

  /* ========================================
     LAYOUT
     ======================================== */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;

  --sidebar-width: 280px;
  --header-height: 64px;
}

/* ==========================================================================
   CSS RESET
   ========================================================================== */

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

* {
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  min-height: 100vh;
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-secondary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ==========================================================================
   LINKS - Global link styling
   ========================================================================== */

/* All links - Remove default browser styling */
a {
  color: var(--color-brand-primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--color-brand-hover);
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Links in navigation/cards - Inherit text color, subtle hover */
.nav-link,
.card a:not(.btn):not(.text-link),
.detail-card a:not(.btn):not(.text-link),
.activity-item {
  color: var(--color-text-primary);
}

.nav-link:hover,
.card a:not(.btn):not(.text-link):hover,
.detail-card a:not(.btn):not(.text-link):hover,
.activity-item:hover {
  color: var(--color-brand-primary);
  text-decoration: none;
}

/* Explicit brand-colored text links */
.text-link {
  color: var(--color-brand-primary);
  text-decoration: none;
}

.text-link:hover {
  color: var(--color-brand-hover);
  text-decoration: underline;
}

/* Muted links - for secondary actions */
.link-muted {
  color: var(--color-text-muted);
}

.link-muted:hover {
  color: var(--color-text-primary);
}

ul, ol {
  list-style: none;
}

table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
  border-bottom: 1px solid var(--color-border);
}

thead {
  background-color: var(--color-bg-muted);
}

th {
  padding: var(--space-2) var(--space-3);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  text-align: left;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

td {
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-secondary);
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

td input[type="checkbox"] {
  margin: auto;
  display: flex;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4 {
  font-family: var(--font-family-display);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
}

h5, h6 {
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-3);
}

h1 {
  font-size: var(--font-size-4xl);
  letter-spacing: var(--letter-spacing-tight);
}

h2 {
  font-size: var(--font-size-3xl);
  letter-spacing: var(--letter-spacing-tight);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

h6 {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

.lead {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

strong, b {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

small {
  font-size: var(--font-size-sm);
}

code {
  font-family: var(--font-family-mono);
  font-size: 0.9em;
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-muted);
  border-radius: var(--radius-sm);
  color: var(--color-brand-light, #e57373);
}

pre {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  padding: var(--space-4);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

pre code {
  padding: 0;
  background: none;
}

blockquote {
  padding-left: var(--space-4);
  border-left: 4px solid var(--color-brand-primary);
  font-style: italic;
  color: var(--color-text-muted);
}

hr {
  border: none;
  height: 1px;
  background: var(--color-border);
  margin: var(--space-8) 0;
}

/* Focus States */
:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background-color: var(--color-brand-primary);
  color: var(--color-text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-bg-muted);
  border-radius: var(--radius-full);
  border: 3px solid var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-hover);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-bg-muted) var(--color-bg-secondary);
}

/* ==========================================================================
   PART 2: BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--touch-target-comfortable);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  line-height: 1;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-muted);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(to bottom, rgba(255,255,255,0.08), transparent);
  pointer-events: none;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

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

/* Primary Button - Brand Red */
.btn--primary,
.btn-primary {
  background-color: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
  color: white;
}

.btn--primary:hover,
.btn-primary:hover {
  background-color: var(--color-brand-hover);
  border-color: var(--color-brand-hover);
  box-shadow: var(--shadow-md), 0 0 20px var(--color-brand-glow);
  color: white;
}

.btn--primary:active,
.btn-primary:active {
  background-color: var(--color-brand-active);
  color: white;
}

/* Secondary Button */
.btn--secondary,
.btn-secondary {
  background-color: var(--color-bg-muted);
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

.btn--secondary:hover,
.btn-secondary:hover {
  background-color: var(--color-border);
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
}

/* Ghost Button */
.btn--ghost {
  background-color: transparent;
  border-color: transparent;
  color: var(--color-text-secondary);
}

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

.btn--ghost::before {
  display: none;
}

/* Success Button */
.btn--success,
.btn-success {
  background-color: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

.btn--success:hover,
.btn-success:hover {
  background-color: #047857;
  border-color: #047857;
  color: white;
}

/* Danger Button */
.btn--danger,
.btn-danger {
  background-color: var(--color-danger);
  border-color: var(--color-danger);
  color: white;
}

.btn--danger:hover,
.btn-danger:hover {
  background-color: #b91c1c;
  border-color: #b91c1c;
  color: white;
}

/* Warning Button */
.btn--warning,
.btn-warning {
  background-color: var(--color-warning);
  border-color: var(--color-warning);
  color: var(--color-text-inverse);
}

.btn--warning:hover,
.btn-warning:hover {
  background-color: #b45309;
  border-color: #b45309;
}

/* Info Button */
.btn--info,
.btn-info {
  background-color: var(--color-info);
  border-color: var(--color-info);
  color: white;
}

.btn--info:hover,
.btn-info:hover {
  background-color: #0369a1;
  border-color: #0369a1;
  color: white;
}

/* Size Variants */
.btn--sm {
  min-height: 40px;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
}

.btn--lg {
  min-height: var(--touch-target-large);
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-base);
}

/* Full Width */
.btn--block {
  display: flex;
  width: 100%;
}

/* Icon Button */
.btn--icon {
  width: var(--touch-target-comfortable);
  padding: 0;
}

.btn--icon.btn--sm {
  width: 40px;
}

.btn--icon.btn--lg {
  width: var(--touch-target-large);
}

/* Loading State */
.btn.is-loading {
  pointer-events: none;
  color: transparent;
}

.btn.is-loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: btn-spinner 0.6s linear infinite;
}

.btn--primary.is-loading::after,
.btn--success.is-loading::after,
.btn--danger.is-loading::after,
.btn--info.is-loading::after {
  border-color: white;
  border-right-color: transparent;
}

@keyframes btn-spinner {
  to {
    transform: rotate(360deg);
  }
}

/* Button Group */
.btn-group {
  display: inline-flex;
}

.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child {
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.btn-group .btn:last-child {
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.btn-group .btn:not(:first-child) {
  margin-left: -2px;
}

/* ==========================================================================
   NATIVE FORM ELEMENT DEFAULTS
   Styles for elements without explicit form-* classes
   ========================================================================== */

select,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="search"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
input[type="month"],
input[type="week"],
textarea {
  display: block;
  min-height: var(--touch-target-min);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

select:hover,
input[type="text"]:hover,
input[type="email"]:hover,
input[type="password"]:hover,
input[type="number"]:hover,
input[type="tel"]:hover,
input[type="url"]:hover,
input[type="search"]:hover,
input[type="date"]:hover,
input[type="time"]:hover,
input[type="datetime-local"]:hover,
input[type="month"]:hover,
input[type="week"]:hover,
textarea:hover {
  border-color: var(--color-border-hover);
}

select:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
input[type="search"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
input[type="datetime-local"]:focus,
input[type="month"]:focus,
input[type="week"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-brand-primary);
  box-shadow: 0 0 0 2px var(--color-brand-subtle);
}

/* Select dropdown arrow */
select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-2) center;
  background-size: 18px;
  padding-right: calc(var(--space-3) + 22px);
  cursor: pointer;
}

/* Select option styling (limited browser support) */
select option {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
  padding: var(--space-2);
}

/* Checkbox and radio base styling */
input[type="checkbox"],
input[type="radio"] {
  width: 20px;
  height: 20px;
  min-height: auto;
  padding: 0;
  accent-color: var(--color-brand-primary);
  cursor: pointer;
}

/* Placeholder styling */
input::placeholder,
textarea::placeholder {
  color: var(--color-text-subtle);
  opacity: 1;
}

/* Date/time input fixes for webkit */
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
  filter: invert(0.7);
  cursor: pointer;
}

/* ==========================================================================
   PART 2: FORMS
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.form-label--required::after {
  content: ' *';
  color: var(--color-danger);
}

.form-input,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  min-height: var(--touch-target-comfortable);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

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

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-brand-primary);
  box-shadow: 0 0 0 3px var(--color-brand-subtle);
}

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

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 20px;
  padding-right: calc(var(--space-4) + 24px);
  cursor: pointer;
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: var(--touch-target-comfortable);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--color-brand-primary);
}

.form-check-label {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  cursor: pointer;
}

/* Custom Checkbox */
.form-checkbox {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: var(--touch-target-comfortable);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.form-checkbox input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.form-checkbox__box {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  background-color: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-checkbox input:checked + .form-checkbox__box {
  background-color: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
}

.form-checkbox__box::after {
  content: '';
  width: 8px;
  height: 14px;
  border: solid white;
  border-width: 0 3px 3px 0;
  transform: rotate(45deg) scale(0);
  transition: transform var(--transition-fast);
}

.form-checkbox input:checked + .form-checkbox__box::after {
  transform: rotate(45deg) scale(1);
}

.form-checkbox input:focus-visible + .form-checkbox__box {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
}

/* Toggle Switch */
.form-toggle {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: var(--touch-target-comfortable);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.form-toggle input {
  position: absolute;
  opacity: 0;
}

.form-toggle__track {
  width: 52px;
  height: 28px;
  flex-shrink: 0;
  background-color: var(--color-bg-muted);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
  position: relative;
}

.form-toggle__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 24px;
  height: 24px;
  background-color: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.form-toggle input:checked + .form-toggle__track {
  background-color: var(--color-success);
}

.form-toggle input:checked + .form-toggle__track .form-toggle__thumb {
  transform: translateX(24px);
}

/* Error State */
.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: var(--color-danger);
}

.form-input.is-invalid:focus,
.form-select.is-invalid:focus,
.form-textarea.is-invalid:focus {
  box-shadow: 0 0 0 3px var(--color-danger-subtle);
}

.form-error {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-danger-light);
}

.form-hint {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-subtle);
}

/* Input Group */
.input-group {
  display: flex;
  align-items: stretch;
}

.input-group .form-input {
  flex: 1;
  border-radius: 0;
}

.input-group .form-input:first-child {
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.input-group .form-input:last-child {
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.input-group__addon {
  display: flex;
  align-items: center;
  padding: 0 var(--space-4);
  background-color: var(--color-bg-muted);
  border: 2px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.input-group__addon:first-child {
  border-right: none;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.input-group__addon:last-child {
  border-left: none;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

/* Form Row */
.form-row {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   PART 3: CARDS
   ========================================================================== */

.card {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-base);
  padding: var(--space-5);
}

@media (min-width: 768px) {
  .card {
    padding: var(--space-6) var(--space-8);
  }
}

/* Cards using explicit header/body/footer structure should reset padding */
.card:has(.card__header),
.card:has(.card__body),
.card:has(.card__footer) {
  padding: 0;
}

.card__header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg-subtle);
}

.card__title {
  margin: 0;
  font-family: var(--font-family-body);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  position: relative;
  padding-left: var(--space-4);
}

.card__title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 1.2em;
  background: var(--color-brand-primary);
  border-radius: 2px;
}

.card__body {
  padding: var(--space-5);
  color: var(--color-text-secondary);
}

.card__body > *:first-child {
  margin-top: 0;
}

.card__body > *:last-child {
  margin-bottom: 0;
}

.card__footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-subtle);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Interactive Card */
.card--interactive {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.card--interactive:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-hover);
}

.card--interactive:active {
  transform: translateY(0);
}

/* Section Divider Utility */
.bottom-divider {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-6);
  margin-bottom: var(--space-6);
}

/* Highlight Card */
.card--highlight {
  border-left: 4px solid var(--color-brand-primary);
}

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

/* ==========================================================================
   PART 3: STAT CARDS
   ========================================================================== */

/* Stats Grid Layout */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

/* Stat Card — horizontal layout with optional icon (default) */
.stat-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Simple variant: centered column layout without icon */
.stat-card--simple {
  flex-direction: column;
  text-align: center;
}

/* Icon */
.stat-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.stat-card__icon--primary { background: rgba(178, 34, 34, 0.15); color: var(--color-brand-primary); }
.stat-card__icon--success { background: rgba(5, 150, 105, 0.15); color: var(--color-success); }
.stat-card__icon--warning { background: rgba(217, 119, 6, 0.15); color: var(--color-warning); }
.stat-card__icon--danger  { background: rgba(220, 38, 38, 0.15); color: var(--color-danger); }
.stat-card__icon--info    { background: rgba(2, 132, 199, 0.15); color: var(--color-info); }

/* Content wrapper (for icon + text side-by-side layout) */
.stat-card__content {
  display: flex;
  flex-direction: column;
}

/* Value */
.stat-card__value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.stat-card__value--primary { color: var(--color-brand-primary); }
.stat-card__value--success { color: var(--color-success); }
.stat-card__value--warning { color: var(--color-warning); }
.stat-card__value--danger  { color: var(--color-danger); }
.stat-card__value--info    { color: var(--color-info); }

/* Label */
.stat-card__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* Light theme */
[data-theme="light"] .stat-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   PART 3: ALERTS
   ========================================================================== */

.alert {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  padding-left: calc(var(--space-5) + 4px);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
}

.alert::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--color-info);
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.alert__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-info);
}

.alert__content {
  flex: 1;
  min-width: 0;
}

.alert__title {
  margin: 0 0 var(--space-1);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.alert__message {
  margin: 0;
  font-size: var(--font-size-sm);
}

.alert__dismiss {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* Alert Variants */
.alert--success,
.alert-success {
  background-color: var(--color-success-subtle);
  border-color: rgba(5, 150, 105, 0.3);
}
.alert--success::before,
.alert-success::before { background-color: var(--color-success); }
.alert--success .alert__icon,
.alert-success .alert__icon { color: var(--color-success); }
.alert--success .alert__title,
.alert-success .alert__title { color: var(--color-success-light); }

.alert--warning,
.alert-warning {
  background-color: var(--color-warning-subtle);
  border-color: rgba(217, 119, 6, 0.3);
}
.alert--warning::before,
.alert-warning::before { background-color: var(--color-warning); }
.alert--warning .alert__icon,
.alert-warning .alert__icon { color: var(--color-warning); }
.alert--warning .alert__title,
.alert-warning .alert__title { color: var(--color-warning-light); }

.alert--danger,
.alert-danger,
.alert-error {
  background-color: var(--color-danger-subtle);
  border-color: rgba(220, 38, 38, 0.3);
}
.alert--danger::before,
.alert-danger::before,
.alert-error::before { background-color: var(--color-danger); }
.alert--danger .alert__icon,
.alert-danger .alert__icon,
.alert-error .alert__icon { color: var(--color-danger); }
.alert--danger .alert__title,
.alert-danger .alert__title,
.alert-error .alert__title { color: var(--color-danger-light); }

.alert--info,
.alert-info {
  background-color: var(--color-info-subtle);
  border-color: rgba(2, 132, 199, 0.3);
}
.alert--info::before,
.alert-info::before { background-color: var(--color-info); }
.alert--info .alert__icon,
.alert-info .alert__icon { color: var(--color-info); }
.alert--info .alert__title,
.alert-info .alert__title { color: var(--color-info-light); }

/* ==========================================================================
   PART 3: BADGES
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  white-space: nowrap;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-muted);
  color: var(--color-text-secondary);
  border: 1px solid transparent;
}

.badge--neutral {
  background-color: var(--color-bg-muted);
  color: var(--color-text-secondary);
}

.badge--success,
.status-badge.status-approved,
.status-approved {
  background-color: var(--color-success-subtle);
  color: var(--color-success-light);
  border-color: rgba(5, 150, 105, 0.3);
}

.badge--warning,
.status-badge.status-pending,
.status-pending {
  background-color: var(--color-warning-subtle);
  color: var(--color-warning-light);
  border-color: rgba(217, 119, 6, 0.3);
}

.badge--danger,
.status-badge.status-rejected,
.status-rejected {
  background-color: var(--color-danger-subtle);
  color: var(--color-danger-light);
  border-color: rgba(220, 38, 38, 0.3);
}

.badge--info {
  background-color: var(--color-info-subtle);
  color: var(--color-info-light);
  border-color: rgba(2, 132, 199, 0.3);
}

.badge--dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
}

.badge--large {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
}

/* Status Badge (legacy compat) */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  border-radius: var(--radius-full);
}

/* ==========================================================================
   PART 3: TABLES
   ========================================================================== */

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: var(--space-4);
}

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.data-table th,
.data-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--color-border);
}

.data-table tbody td {
  min-height: 48px;
}

.data-table th {
  background-color: var(--color-bg-subtle);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
}

.data-table td {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

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

.data-table tbody tr:nth-child(odd) {
  background-color: var(--color-bg-elevated);
}

.data-table tbody tr:nth-child(even) {
  background-color: var(--color-bg-subtle);
}

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

/* Mobile Card View */
@media (max-width: 767px) {
  .table-cards thead {
    display: none;
  }

  .table-cards,
  .table-cards tbody {
    display: block;
  }

  .table-cards tbody tr {
    display: block;
    background-color: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-3);
    padding: var(--space-4);
  }

  .table-cards tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border-subtle);
  }

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

  .table-cards tbody td::before {
    content: attr(data-label);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
  }
}

/* ==========================================================================
   PART 4: TABS
   ========================================================================== */

.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 2px solid var(--color-border);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: var(--touch-target-comfortable);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

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

.tab.is-active,
.tab.active {
  color: var(--color-brand-primary);
  border-bottom-color: var(--color-brand-primary);
}

.tab-panel,
.tab-content {
  display: none;
  padding: var(--space-5) 0;
}

.tab-panel.is-active,
.tab-panel.active,
.tab-content.is-active,
.tab-content.active {
  display: block;
}

/* Contained Tabs */
.tabs--contained {
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  border-bottom: none;
  gap: var(--space-2);
}

.tabs--contained .tab {
  border-radius: var(--radius-md);
  border-bottom: none;
  margin-bottom: 0;
}

.tabs--contained .tab.is-active,
.tabs--contained .tab.active {
  background-color: var(--color-brand-primary);
  color: white;
}

/* ==========================================================================
   PART 4: SUMMARY GRID
   ========================================================================== */

.summary-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 768px) {
  .summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .summary-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.summary-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.summary-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
}

.summary-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.summary-item--highlight {
  border-left: 4px solid var(--color-brand-primary);
}

.summary-item--success { border-left-color: var(--color-success); }
.summary-item--warning { border-left-color: var(--color-warning); }
.summary-item--danger { border-left-color: var(--color-danger); }

/* ==========================================================================
   PART 4: PAGE HEADER
   ========================================================================== */

.page-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-5);
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-5);
}

@media (min-width: 768px) {
  .page-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.page-header__content {
  flex: 1;
  min-width: 0;
}

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

.page-header__breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.page-header__breadcrumb a:hover {
  color: var(--color-text-primary);
  text-decoration: none;
}

.page-header__title {
  margin: 0;
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
}

.page-header__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

@media (max-width: 767px) {
  .page-header__actions {
    width: 100%;
  }

  .page-header__actions .btn {
    flex: 1;
  }
}

/* ==========================================================================
   PART 4: LAYOUT UTILITIES
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-6);
  }
}

/* Content Centering — max-width wrappers for page content.
   Use inside .content-body to constrain and center page layouts.
   - .content-centered:       general pages (1280px)
   - .content-centered--sm:   narrow forms, single-column  (640px)
   - .content-centered--md:   standard forms, detail pages  (900px)
   - .content-centered--lg:   wide detail pages, tables     (1024px)
   - .content-centered--full: dashboards, no max-width      (none)        */

.content-centered {
  max-width: var(--container-xl);
  margin-inline: auto;
}

.content-centered--sm {
  max-width: var(--container-sm);
  margin-inline: auto;
}

.content-centered--md {
  max-width: 900px;
  margin-inline: auto;
}

.content-centered--lg {
  max-width: var(--container-lg);
  margin-inline: auto;
}

.content-centered--full {
  max-width: none;
  margin-inline: auto;
}

/* Spacing Utilities */
.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }

/* Display Utilities */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* Text Utilities */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }

.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success-light); }
.text-warning { color: var(--color-warning-light); }
.text-danger { color: var(--color-danger-light); }
.text-brand { color: var(--color-brand-primary); }

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

/* Width/Height */
.w-full { width: 100%; }
.h-full { height: 100%; }

/* Visibility */
.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;
}

@media (max-width: 767px) {
  .hide-mobile { display: none !important; }
}

@media (min-width: 768px) {
  .hide-tablet { display: none !important; }
}

@media (min-width: 1024px) {
  .hide-desktop { display: none !important; }
}

/* ==========================================================================
   EMPTY STATES
   ========================================================================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  text-align: center;
}

.empty-state__icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-4);
  color: var(--color-text-subtle);
  opacity: 0.5;
}

.empty-state__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.empty-state__message {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  max-width: 400px;
}

/* ==========================================================================
   LOADING STATES
   ========================================================================== */

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

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

.skeleton--text {
  height: 1em;
  margin-bottom: var(--space-2);
}

.skeleton--title {
  height: 1.5em;
  width: 60%;
  margin-bottom: var(--space-3);
}

.skeleton--avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
  body {
    background: white;
    color: black;
  }

  .no-print {
    display: none !important;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ccc;
  }

  a {
    color: inherit;
    text-decoration: underline;
  }
}

/* ==========================================================================
   FORM CARD (for standalone forms)
   ========================================================================== */

.form-card {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-5);
}

.form-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.stats-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: var(--space-4);
}

.stat-card {
 	display: flex;
	align-items: center;
	gap: var(--space-4);
	padding: var(--space-5);
	background: var(--color-bg-secondary);
	border-radius: var(--radius-lg);
	border: 1px solid var(--color-border);
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}