/* 
================================================================================
PRIDECAB ADMIN - DESIGN SYSTEM & GLOBAL STYLES
Minimal, clean, and reusable design system
================================================================================
*/

/* CSS Custom Properties - Design Tokens */
:root {
  /* Colors - Neutral */
  --color-neutral-50: #f9fafb;
  --color-neutral-100: #f3f4f6;
  --color-neutral-200: #e5e7eb;
  --color-neutral-300: #d1d5db;
  --color-neutral-400: #9ca3af;
  --color-neutral-500: #6b7280;
  --color-neutral-600: #4b5563;
  --color-neutral-700: #374151;
  --color-neutral-800: #1f2937;
  --color-neutral-900: #111827;

  /* Colors - Primary */
  --color-primary: #2563eb;
  --color-primary-light: #3b82f6;
  --color-primary-dark: #1d4ed8;

  /* Colors - Semantic */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #0ea5e9;

  /* Backgrounds */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-bg-tertiary: #f3f4f6;

  /* Text Colors */
  --color-text-primary: #111827;
  --color-text-secondary: #4b5563;
  --color-text-tertiary: #9ca3af;
  --color-text-inverse: #ffffff;

  /* Borders */
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-none: none;

  /* Typography */
  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 24px;
  --font-size-3xl: 28px;

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

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Spacing */
  --spacing-0: 0;
  --spacing-1: 4px;
  --spacing-2: 8px;
  --spacing-3: 12px;
  --spacing-4: 16px;
  --spacing-6: 24px;
  --spacing-8: 32px;
  --spacing-12: 48px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;

  /* Z-Index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-popover: 500;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 14px;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin: 0;
}

h1 {
  font-size: var(--font-size-3xl);
}

h2 {
  font-size: var(--font-size-2xl);
}

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

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

p {
  margin: 0;
  color: var(--color-text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

/* Form Elements */
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type=number] {
  -moz-appearance: textfield;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

td, th {
  padding: 0;
}

/* ============================================================================
REUSABLE COMPONENTS - Button Styles
============================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

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

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Primary Button */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

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

.btn-primary:active:not(:disabled) {
  opacity: 0.9;
}

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

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-neutral-300);
}

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

.btn-tertiary:hover:not(:disabled) {
  background-color: var(--color-bg-tertiary);
}

/* Icon Button */
.btn-icon {
  padding: var(--spacing-2);
  min-width: auto;
  aspect-ratio: 1;
}

/* Sizes */
.btn-sm {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--spacing-4) var(--spacing-6);
  font-size: var(--font-size-base);
}

/* ============================================================================
REUSABLE COMPONENTS - Card Styles
============================================================================ */

.card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--color-border-light);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-2);
}

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

.card-footer {
  padding: var(--spacing-6);
  border-top: 1px solid var(--color-border-light);
  background-color: var(--color-bg-secondary);
}

/* ============================================================================
REUSABLE COMPONENTS - Form Styles
============================================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

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

.form-input,
.form-textarea,
.form-select {
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

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

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: var(--color-neutral-300);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-tertiary);
  cursor: not-allowed;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-select {
  cursor: pointer;
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--spacing-1);
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-1);
}

/* ============================================================================
REUSABLE COMPONENTS - Table Styles
============================================================================ */

.table {
  width: 100%;
  font-size: var(--font-size-base);
}

.table thead {
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

.table th {
  padding: var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table tbody tr {
  border-bottom: 1px solid var(--color-border-light);
  transition: background-color var(--transition-fast);
}

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

.table td {
  padding: var(--spacing-4);
  color: var(--color-text-primary);
}

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

.table-striped tbody tr:nth-child(odd):hover {
  background-color: var(--color-bg-tertiary);
}

/* ============================================================================
REUSABLE COMPONENTS - Badge/Pill Styles
============================================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: 12px;
  white-space: nowrap;
}

.badge-primary {
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--color-primary-dark);
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: #059669;
}

.badge-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: #d97706;
}

.badge-error {
  background-color: rgba(239, 68, 68, 0.1);
  color: #dc2626;
}

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

/* ============================================================================
REUSABLE COMPONENTS - Alert/Message Styles
============================================================================ */

.alert {
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  border-left: 4px solid;
  display: flex;
  gap: var(--spacing-3);
  font-size: var(--font-size-sm);
  animation: slideDown var(--transition-base);
}

@@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.alert-title {
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--spacing-1) 0;
}

.alert-message {
  color: inherit;
  line-height: var(--line-height-normal);
}

.alert-success {
  background-color: rgba(16, 185, 129, 0.1);
  border-color: var(--color-success);
  color: #065f46;
}

.alert-warning {
  background-color: rgba(245, 158, 11, 0.1);
  border-color: var(--color-warning);
  color: #7c2d12;
}

.alert-error {
  background-color: rgba(239, 68, 68, 0.1);
  border-color: var(--color-error);
  color: #7f1d1d;
}

.alert-info {
  background-color: rgba(14, 165, 233, 0.1);
  border-color: var(--color-info);
  color: #164e63;
}

/* ============================================================================
REUSABLE UTILITIES - Layout & Spacing
============================================================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.gap-2 { gap: var(--spacing-2); }
.gap-3 { gap: var(--spacing-3); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }

.mb-2 { margin-bottom: var(--spacing-2); }
.mb-3 { margin-bottom: var(--spacing-3); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }

.mt-2 { margin-top: var(--spacing-2); }
.mt-3 { margin-top: var(--spacing-3); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }

.px-4 { padding-left: var(--spacing-4); padding-right: var(--spacing-4); }
.py-4 { padding-top: var(--spacing-4); padding-bottom: var(--spacing-4); }

/* ============================================================================
REUSABLE UTILITIES - Text
============================================================================ */

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

.font-normal { font-weight: var(--font-weight-regular); }
.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-tertiary { color: var(--color-text-tertiary); }

.line-through { text-decoration: line-through; }

/* ============================================================================
REUSABLE UTILITIES - Display & Visibility
============================================================================ */

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

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

.empty-state {
  padding: var(--spacing-12) var(--spacing-6);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-6);
  min-height: 300px;
  color: var(--color-text-secondary);
}

.empty-state-icon {
  font-size: 48px;
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.empty-state-description {
  max-width: 400px;
  line-height: var(--line-height-normal);
}

/* ============================================================================
RESPONSIVE
============================================================================ */

@@media (max-width: 768px) {
  html {
    font-size: 13px;
  }

  .card-header,
  .card-body,
  .card-footer {
    padding: var(--spacing-4);
  }

  .form-input,
  .form-textarea,
  .form-select {
    padding: var(--spacing-2) var(--spacing-3);
  }

  .btn {
    padding: var(--spacing-2) var(--spacing-3);
  }

  .table th,
  .table td {
    padding: var(--spacing-3);
    font-size: var(--font-size-xs);
  }
}

@@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

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

  .card {
    box-shadow: none;
    border: 1px solid var(--color-border);
    page-break-inside: avoid;
  }

  .btn,
  .card-footer {
    display: none;
  }
}