/**
 * Neo ERP Design System
 * A warm, editorial-inspired design system with distinctive typography and refined interactions.
 * Inspired by Linear, Notion, Stripe, and premium SaaS applications.
 */

/* =============================================================================
   CSS Variables - Design Tokens
   ============================================================================= */

:root {
  /* Primary Colors - Rich Indigo with warm undertones */
  --color-primary-50: #f0f1ff;
  --color-primary-100: #e4e6ff;
  --color-primary-200: #cdcffe;
  --color-primary-300: #a8abfc;
  --color-primary-400: #7c7ff7;
  --color-primary-500: #5856eb;
  --color-primary-600: #4a3ddf;
  --color-primary-700: #3f2fc5;
  --color-primary-800: #3528a0;
  --color-primary-900: #2e267f;
  --color-primary-950: #1b1650;

  /* Neutral Colors - Warmer slate tones */
  --color-gray-50: #fafaf9;
  --color-gray-100: #f5f4f2;
  --color-gray-200: #e8e6e3;
  --color-gray-300: #d6d3cf;
  --color-gray-400: #a8a29e;
  --color-gray-500: #78716c;
  --color-gray-600: #57534e;
  --color-gray-700: #44403c;
  --color-gray-800: #292524;
  --color-gray-900: #1c1917;
  --color-gray-950: #0c0a09;

  /* Accent Colors for visual interest */
  --color-amber: #f59e0b;
  --color-amber-soft: #fef3c7;
  --color-teal: #14b8a6;
  --color-teal-soft: #ccfbf1;
  --color-rose: #f43f5e;
  --color-rose-soft: #ffe4e6;

  /* Semantic Colors */
  --color-success-50: #ecfdf5;
  --color-success-100: #d1fae5;
  --color-success-500: #10b981;
  --color-success-600: #059669;
  --color-success-700: #047857;

  --color-warning-50: #fffbeb;
  --color-warning-100: #fef3c7;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;

  --color-error-50: #fef2f2;
  --color-error-100: #fee2e2;
  --color-error-500: #ef4444;
  --color-error-600: #dc2626;
  --color-error-700: #b91c1c;

  --color-info-50: #eff6ff;
  --color-info-100: #dbeafe;
  --color-info-500: #3b82f6;
  --color-info-600: #2563eb;

  /* Spacing Scale */
  --space-0: 0;
  --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;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Typography - Distinctive Font Pairing */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'DM Serif Display', Georgia, 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  --font-arabic: 'IBM Plex Sans Arabic', 'Noto Sans Arabic', sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3rem;

  --leading-tight: 1.2;
  --leading-snug: 1.35;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  --tracking-tighter: -0.03em;
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;

  /* Shadows - Softer, more refined with optional color tints */
  --shadow-xs: 0 1px 2px 0 rgb(28 25 23 / 0.04);
  --shadow-sm: 0 1px 3px 0 rgb(28 25 23 / 0.06), 0 1px 2px -1px rgb(28 25 23 / 0.06);
  --shadow-md: 0 4px 8px -2px rgb(28 25 23 / 0.08), 0 2px 4px -2px rgb(28 25 23 / 0.04);
  --shadow-lg: 0 12px 24px -4px rgb(28 25 23 / 0.1), 0 4px 8px -2px rgb(28 25 23 / 0.04);
  --shadow-xl: 0 24px 48px -12px rgb(28 25 23 / 0.18);
  --shadow-2xl: 0 32px 64px -16px rgb(28 25 23 / 0.24);
  --shadow-inner: inset 0 2px 4px 0 rgb(28 25 23 / 0.04);

  /* Colored shadows for emphasis */
  --shadow-primary: 0 4px 16px -4px rgb(88 86 235 / 0.35);
  --shadow-success: 0 4px 16px -4px rgb(16 185 129 / 0.35);
  --shadow-warning: 0 4px 16px -4px rgb(245 158 11 / 0.35);
  --shadow-error: 0 4px 16px -4px rgb(239 68 68 / 0.35);

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  /* The scale is four steps: chip, control, card, dialog. Anything else
     makes two cards on the same page look like two products. */
  --radius-card: 0.625rem;   /* 10px */
  --radius-dialog: 0.875rem; /* 14px */
  --radius-full: 9999px;

  /* Transitions - Smooth, natural easing */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 400ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);

  /* 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;
  --z-toast: 1080;

  /* Layout */
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 72px;
  --header-height: 64px;
  --content-max-width: 1400px;
}

/* Dark Mode Variables */
.dark {
  --color-gray-50: #18181b;
  --color-gray-100: #27272a;
  --color-gray-200: #3f3f46;
  --color-gray-300: #52525b;
  --color-gray-400: #71717a;
  --color-gray-500: #a1a1aa;
  --color-gray-600: #d4d4d8;
  --color-gray-700: #e4e4e7;
  --color-gray-800: #f4f4f5;
  --color-gray-900: #fafafa;
  --color-gray-950: #ffffff;
}

/* =============================================================================
   Base Styles
   ============================================================================= */

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--color-gray-900);
  background-color: var(--color-gray-50);
}

[dir="rtl"] body {
  font-family: var(--font-arabic), var(--font-sans);
}

/* Letter-spacing breaks the joined Arabic script, and a 10px micro-label is
   unreadable in it, whichever template hard-codes them. */
[dir="rtl"] .tracking-wider,
[dir="rtl"] .tracking-widest,
[dir="rtl"] .tracking-\[1\.5px\] {
  letter-spacing: 0;
}

[dir="rtl"] .text-\[10px\] {
  font-size: var(--text-xs);
}

/* A mono uppercase span is the micro-label pattern, never a number. */
[dir="rtl"] .font-mono.uppercase {
  font-family: var(--font-arabic), var(--font-sans);
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background-color: var(--color-primary-100);
  color: var(--color-primary-900);
}

/* =============================================================================
   Typography Utilities
   ============================================================================= */

/* Display headings - Use serif display font for editorial feel */
.text-display {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 400;
  letter-spacing: var(--tracking-tighter);
  line-height: var(--leading-tight);
  color: var(--color-gray-900);
}

/* Page titles - Serif for important headings */
.text-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  color: var(--color-gray-900);
}

/* Section headers - Sans-serif for UI elements */
.text-heading {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
}

/* Gradient text effect */
.text-gradient {
  background: var(--color-primary-600);
}

/* Dark mode typography */
.dark .text-display,
.dark .text-title,
.dark .text-title-sm {
  color: var(--color-gray-50);
}

.dark .text-heading,
.dark .text-subheading {
  color: var(--color-gray-100);
}

.dark .text-subtitle {
  color: var(--color-gray-400);
}

.dark .text-label {
  color: var(--color-gray-300);
}

/* =============================================================================
   Button Styles - Enhanced with micro-interactions
   ============================================================================= */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.25;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base);
  white-space: nowrap;
  user-select: none;
  outline: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn-sm {
  padding: 0.375rem var(--space-3);
  font-size: var(--text-xs);
  border-radius: var(--radius-md);
}

/* Primary Button - Rich gradient with glow */
.btn-primary {
  background: var(--color-primary-500);
  color: white;
  box-shadow: var(--shadow-sm),
              inset 0 1px 0 rgb(255 255 255 / 0.15),
              0 2px 8px -2px rgb(88 86 235 / 0.3);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-400);
  box-shadow: var(--shadow-md),
              inset 0 1px 0 rgb(255 255 255 / 0.2),
              0 8px 20px -4px rgb(88 86 235 / 0.4);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-xs),
              inset 0 2px 4px rgb(0 0 0 / 0.1);
}

/* Secondary Button - Clean with subtle border */
.btn-secondary {
  background: white;
  color: var(--color-gray-700);
  border-color: var(--color-gray-200);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-gray-50);
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:active:not(:disabled) {
  transform: translateY(0);
  background: var(--color-gray-100);
}

.dark .btn-secondary {
  background: var(--color-gray-800);
  color: var(--color-gray-200);
  border-color: var(--color-gray-700);
}

.dark .btn-secondary:hover:not(:disabled) {
  background: var(--color-gray-700);
  border-color: var(--color-gray-600);
}

/* Ghost Button - Minimal */
.btn-ghost {
  background: transparent;
  color: var(--color-gray-600);
}

.dark .btn-ghost {
  color: var(--color-gray-400);
}

.dark .btn-ghost:hover:not(:disabled) {
  background: var(--color-gray-800);
  color: var(--color-gray-100);
}

/* Danger Button - With warning glow */
.btn-danger {
  background: var(--color-error-500);
  color: white;
  box-shadow: var(--shadow-sm), 0 2px 8px -2px rgb(239 68 68 / 0.3);
}

/* Success Button - With positive glow */
.btn-success {
  background: var(--color-success-500);
  color: white;
  box-shadow: var(--shadow-sm), 0 2px 8px -2px rgb(16 185 129 / 0.3);
}

.btn-success:hover:not(:disabled) {
  box-shadow: var(--shadow-md), 0 8px 20px -4px rgb(16 185 129 / 0.4);
}

.btn-success:active:not(:disabled) {
  transform: translateY(0);
}

/* Warning/Amber Button */
.btn-warning {
  background: var(--color-warning-500);
  color: white;
  box-shadow: var(--shadow-sm), 0 2px 8px -2px rgb(245 158 11 / 0.3);
}

.btn-warning:hover:not(:disabled) {
  box-shadow: var(--shadow-md), 0 8px 20px -4px rgb(245 158 11 / 0.4);
}

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

.btn-icon.btn-sm {
  padding: 0.375rem;
}

/* Icon hover animation */
.btn-icon:hover:not(:disabled) svg {
  transition: transform var(--transition-fast);
}

/* Loading state for buttons */
.btn-loading {
  pointer-events: none;
  opacity: 0.8;
}

/* =============================================================================
   Card Styles - Refined with subtle depth
   ============================================================================= */

.card {
  background: white;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.dark .card {
  background: var(--color-gray-800);
  border-color: var(--color-gray-700);
}

.dark .card-header {
  border-color: var(--color-gray-700);
}

.dark .card-header-title {
  color: var(--color-gray-100);
}

.dark .card-footer {
  border-color: var(--color-gray-700);
  background: var(--color-gray-900);
}

/* Elevated Card - Premium floating look */
.card-elevated {
  border: 1px solid var(--color-gray-100);
  box-shadow: var(--shadow-lg);
}

.dark .card-elevated {
  border-color: var(--color-gray-700);
  box-shadow: 0 12px 24px -4px rgb(0 0 0 / 0.3);
}

/* Interactive Card - Lift on hover */
.card-interactive {
  cursor: pointer;
  transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.dark .card-interactive:hover {
  border-color: var(--color-primary-700);
  box-shadow: 0 16px 32px -8px rgb(0 0 0 / 0.4);
}

/* Card with accent border */
.card-accent {
  border-left: 3px solid var(--color-primary-500);
}

/* Glass card effect */
.card-glass {
  background: rgb(255 255 255 / 0.8);
  backdrop-filter: blur(12px);
  border: 1px solid rgb(255 255 255 / 0.3);
}

.dark .card-glass {
  background: rgb(41 37 36 / 0.8);
  border: 1px solid rgb(255 255 255 / 0.1);
}

/* Card with gradient border */
.card-gradient-border {
  position: relative;
  background: white;
  border: none;
}

/* =============================================================================
   Form Styles - Refined with better focus states
   ============================================================================= */

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

.dark .form-label {
  color: var(--color-gray-300);
}

.dark .form-input,
.dark .form-select,
.dark .form-textarea {
  background: var(--color-gray-800);
  border-color: var(--color-gray-600);
  color: var(--color-gray-100);
}

.dark .form-input::placeholder {
  color: var(--color-gray-500);
}

.dark .form-input:hover:not(:disabled):not(:focus) {
  border-color: var(--color-gray-500);
}

.dark .form-input:focus {
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgb(88 86 235 / 0.2);
}

/* Input Sizes */
.form-input-sm {
  padding: 0.375rem var(--space-2);
  font-size: var(--text-xs);
  border-radius: var(--radius-md);
}

/* Input States */
.form-input-error {
  border-color: var(--color-error-400);
  background: rgb(254 242 242 / 0.5);
}

.dark .form-input-error {
  background: rgb(254 242 242 / 0.05);
}

/* Help Text */
.form-help {
  margin-top: var(--space-1);
  font-size: 0.8125rem;
  color: var(--color-gray-500);
  line-height: var(--leading-relaxed);
}

/* Input with Icon */
.input-group {
  position: relative;
}

/* Floating label variant */
.form-floating {
  position: relative;
}

/* Checkbox & Radio refined */
.form-checkbox,
.form-radio {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-gray-300);
  background: white;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
  flex-shrink: 0;
}

.dark .form-checkbox,
.dark .form-radio {
  background: var(--color-gray-700);
  border-color: var(--color-gray-500);
}

/* =============================================================================
   Table Styles - Clean, refined with hover effects
   ============================================================================= */

.table-container {
  overflow-x: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-gray-200);
  background: white;
}

.dark .table-container {
  border-color: var(--color-gray-700);
  background: var(--color-gray-800);
}

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

.table th {
  padding: 0.875rem var(--space-4);
  text-align: left;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-gray-500);
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-gray-200);
  white-space: nowrap;
}

[dir="rtl"] .table th {
  text-align: right;
  letter-spacing: 0;
}

.dark .table th {
  background: var(--color-gray-900);
  color: var(--color-gray-400);
  border-color: var(--color-gray-700);
}

.table td {
  padding: 0.875rem var(--space-4);
  border-bottom: 1px solid var(--color-gray-100);
  color: var(--color-gray-700);
  vertical-align: middle;
}

.dark .table td {
  border-color: var(--color-gray-700);
  color: var(--color-gray-300);
}

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

.table tbody tr {
  transition: background var(--transition-fast);
}

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

.dark .table tbody tr:hover {
  background: var(--color-gray-700);
}

/* Table row clickable */
.table tbody tr.clickable {
  cursor: pointer;
}

.table tbody tr.clickable:hover {
  background: rgb(88 86 235 / 0.04);
}

.dark .table tbody tr.clickable:hover {
  background: rgb(88 86 235 / 0.1);
}

/* Selected row */
.table tbody tr.selected {
  background: rgb(88 86 235 / 0.06);
}

.dark .table tbody tr.selected {
  background: rgb(88 86 235 / 0.15);
}

/* Sortable Headers */
.table th.sortable {
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
}

.table th.sortable:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.dark .table th.sortable:hover {
  background: var(--color-gray-800);
  color: var(--color-gray-300);
}

.table th.sorted {
  color: var(--color-primary-600);
}

/* Sticky Header */
.table-sticky thead th {
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 1px 0 var(--color-gray-200);
}

.dark .table-sticky thead th {
  box-shadow: 0 1px 0 var(--color-gray-700);
}

/* Numeric Columns */
.table td.numeric,
.table th.numeric {
  text-align: right;
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
}

/* Amount Columns */
.amount {
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

/* Primary cell content */
.table td.primary {
  font-weight: 500;
  color: var(--color-gray-900);
}

.dark .table td.primary {
  color: var(--color-gray-100);
}

/* Secondary/muted cell content */
.table td.secondary {
  color: var(--color-gray-500);
  font-size: 0.8125rem;
}

/* Compact table variant */
.table-compact th,
.table-compact td {
  padding: 0.625rem var(--space-3);
}

/* Striped table */
.table-striped tbody tr:nth-child(even) {
  background: var(--color-gray-50);
}

.dark .table-striped tbody tr:nth-child(even) {
  background: var(--color-gray-900);
}

/* Borderless variant */
.table-borderless td {
  border-bottom: none;
}

/* Table with row dividers only */
.table-divided th {
  background: transparent;
  border-bottom: 2px solid var(--color-gray-200);
}

/* =============================================================================
   Badge Styles - Refined with subtle animations
   ============================================================================= */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

/* Dark mode badges */
.dark .badge-gray {
  background: var(--color-gray-700);
  color: var(--color-gray-300);
}

.dark .badge-primary {
  background: rgb(88 86 235 / 0.2);
  color: var(--color-primary-400);
}

.dark .badge-success {
  background: rgb(16 185 129 / 0.2);
  color: var(--color-success-400);
}

.dark .badge-warning {
  background: rgb(245 158 11 / 0.2);
  color: var(--color-warning-400);
}

.dark .badge-error {
  background: rgb(239 68 68 / 0.2);
  color: var(--color-error-400);
}

/* Outlined badge variant */
.badge-outlined {
  background: transparent;
  border: 1px solid currentColor;
}

/* Dot Badge with pulse animation for active states */
.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Money — the {% money %} tag's markup.
   Symbol and digits must not break apart across a line. */
.money {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.money-symbol svg {
  height: 1em;
  width: auto;
  vertical-align: -0.1em;
  display: inline-block;
}