/* ============================================================
   A & E PROPERTIES - PREMIUM DARK TEAL DESIGN SYSTEM
   Modern SaaS Dashboard with Luxury Real Estate Aesthetics
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ============================================================
   DESIGN TOKENS & CSS VARIABLES
   ============================================================ */

:root {
  /* Primary Color Palette - Teal Green */
  --primary: #14b8a6;
  --primary-light: #ccfbf1;
  --primary-lighter: #d1fae5;
  --primary-dark: #0d9488;
  --primary-darker: #0f766e;

  /* Secondary Colors */
  --secondary: #10b981;
  --secondary-light: #d1fae5;
  --secondary-dark: #059669;

  /* Accent Color */
  --accent: #5eead4;
  --accent-light: #a7f3d0;

  /* Status Colors */
  --success: #10b981;
  --success-light: #d1fae5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fee2e2;
  --info: #06b6d4;
  --info-light: #cffafe;

  /* Neutrals */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f162b;

  /* Sidebar - exact match to logo bg */
  --sidebar-start: #0f162b;
  --sidebar-end: #0f162b;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.2);
  --shadow-teal: 0 4px 20px rgba(20, 184, 166, 0.15);

  /* Spacing */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --line-height-tight: 1.3;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.75;
}

/* ============================================================
   GLOBAL STYLES & RESET
   ============================================================ */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 14px;
  line-height: var(--line-height-base);
  color: var(--gray-700);
  background-color: var(--gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Selection color - teal */
::selection {
  background-color: var(--primary);
  color: white;
}

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

/* Link styles */
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--gray-900);
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 20px;
}

h4 {
  font-size: 16px;
}

h5 {
  font-size: 14px;
}

h6 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

p {
  margin-bottom: 12px;
}

/* ============================================================
   LAYOUT & STRUCTURE
   ============================================================ */

.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 240px;
  background: linear-gradient(180deg, var(--sidebar-start) 0%, var(--sidebar-end) 100%);
  color: white;
  padding: 24px 16px;
  z-index: 100;
  overflow-y: auto;
  box-shadow: 2px 0 12px rgba(0, 0, 0, 0.15);
  transition: width var(--transition-base);
}

.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
}

.sidebar::-webkit-scrollbar-thumb {
  background: rgba(94, 234, 212, 0.3);
  border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: rgba(94, 234, 212, 0.5);
}

.sidebar h2 {
  font-size: 18px;
  margin-bottom: 4px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar .user-info {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
}

.sidebar .user-info .role-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(20, 184, 166, 0.2);
  color: var(--accent);
  margin-top: 6px;
  border: 1px solid rgba(20, 184, 166, 0.3);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition-base);
  margin-bottom: 4px;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  position: relative;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: rgba(94, 234, 212, 0.1);
  color: white;
}

.nav-item.active {
  background: rgba(20, 184, 166, 0.15);
  color: var(--accent);
  border-left-color: var(--primary);
  font-weight: 500;
}

.nav-item .icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-item.logout {
  margin-top: auto;
  color: #fca5a5;
  border: none;
}

.nav-item.logout:hover {
  background: rgba(248, 113, 113, 0.15);
  color: #fecaca;
}

.main {
  margin-left: 240px;
  padding: 32px;
  background-color: var(--gray-50);
  transition: margin-left var(--transition-base);
  min-height: 100vh;
}

.page {
  display: none;
  animation: fadeIn var(--transition-slow);
}

.page.active {
  display: block;
}

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

/* ============================================================
   PAGE HEADER
   ============================================================ */

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-header h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
}

.page-header .actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.page-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--gray-900);
}

/* ============================================================
   STAT CARDS
   ============================================================ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
  position: relative;
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
  transform: translateY(-2px);
}

.stat-card .label {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-card .value {
  font-size: 32px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.stat-card .sub {
  font-size: 12px;
  color: var(--gray-500);
}

/* Stat card with accent border */
.stat-card-accent {
  border-left: 4px solid var(--primary);
  padding-left: 16px;
}

.stat-card-accent.accent-secondary {
  border-left-color: var(--secondary);
}

.stat-card-accent.accent-success {
  border-left-color: var(--success);
}

.stat-card-accent.accent-warning {
  border-left-color: var(--warning);
}

.stat-card-accent.accent-danger {
  border-left-color: var(--danger);
}

/* ============================================================
   CARDS & CONTAINERS
   ============================================================ */

.card {
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: white;
}

.card-header h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
  margin: 0;
}

.card-body {
  padding: 24px;
  overflow-x: auto;
  background: white;
}

.card-body::-webkit-scrollbar {
  height: 6px;
}

.card-body::-webkit-scrollbar-track {
  background: transparent;
}

.card-body::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 3px;
}

.card-body::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

.card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Card with hover lift effect */
.card-hover {
  cursor: pointer;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ============================================================
   TABLES
   ============================================================ */

.table-modern {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table-modern thead {
  background-color: var(--gray-50);
}

.table-modern th {
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-600);
  border-bottom: 2px solid var(--gray-200);
  white-space: nowrap;
}

.table-modern td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-700);
}

.table-modern tbody tr {
  transition: background-color var(--transition-base);
}

.table-modern tbody tr:hover {
  background-color: var(--primary-light);
}

.table-modern tbody tr:nth-child(even) {
  background-color: rgba(248, 250, 252, 0.5);
}

.table-modern tbody tr:nth-child(even):hover {
  background-color: var(--primary-light);
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
  user-select: none;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Primary button - Teal gradient */
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border: none;
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-darker));
  box-shadow: var(--shadow-teal);
}

/* Secondary button */
.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: white;
  border: none;
}

.btn-secondary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--secondary-dark), #047857);
}

/* Outline button */
.btn-outline {
  background: white;
  border: 1.5px solid var(--gray-300);
  color: var(--gray-700);
}

.btn-outline:hover:not(:disabled) {
  background: var(--gray-50);
  border-color: var(--primary);
  color: var(--primary);
}

/* Ghost button */
.btn-ghost {
  background: transparent;
  color: var(--gray-700);
  border: none;
}

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

/* Success button */
.btn-success {
  background: var(--success);
  color: white;
  border: none;
}

.btn-success:hover:not(:disabled) {
  background: #059669;
}

/* Danger button */
.btn-danger {
  background: var(--danger);
  color: white;
  border: none;
}

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

/* Sizes */
.btn-sm {
  padding: 5px 12px;
  font-size: 12px;
}

.btn-md {
  padding: 8px 16px;
  font-size: 13px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
}

/* Icon button */
.icon-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  color: var(--gray-700);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.icon-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
  transform: translateY(-1px);
}

.icon-btn.primary {
  background: var(--primary-light);
  color: var(--primary);
}

.icon-btn.primary:hover {
  background: var(--primary);
  color: white;
}

/* ============================================================
   BADGES & PILLS
   ============================================================ */

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  vertical-align: middle;
}

.badge-primary {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(20, 184, 166, 0.2);
}

.badge-secondary {
  background: var(--secondary-light);
  color: var(--secondary);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-success {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-warning {
  background: var(--warning-light);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-danger {
  background: var(--danger-light);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-gray {
  background: var(--gray-100);
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
}

/* Pill badge */
.badge-pill {
  border-radius: 12px;
  padding: 6px 14px;
  font-size: 12px;
}

/* Status badges */
.badge.paid,
.badge.active,
.badge.resolved {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge.pending,
.badge.expiring,
.badge.in-progress {
  background: var(--warning-light);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge.overdue,
.badge.urgent,
.badge.closed {
  background: var(--danger-light);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge.open {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(20, 184, 166, 0.2);
}

/* ============================================================
   FORMS
   ============================================================ */

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}

.form-group label .required {
  color: var(--danger);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 9px 12px;
  font-family: inherit;
  font-size: 14px;
  color: var(--gray-700);
  background: white;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  outline: none;
}

.form-group input::placeholder,
.form-group select::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
  background: white;
}

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

.form-help {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 4px;
}

.form-error {
  font-size: 12px;
  color: var(--danger);
  margin-top: 4px;
}

/* File upload */
.file-drop {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-md);
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  background: white;
  color: var(--gray-500);
}

.file-drop:hover,
.file-drop.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}

.file-drop input[type='file'] {
  display: none;
}

.file-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  font-size: 13px;
  color: var(--gray-700);
}

.file-item .icon {
  color: var(--gray-400);
}

.file-item .remove {
  margin-left: auto;
  cursor: pointer;
  color: var(--danger);
  font-weight: 600;
  transition: color var(--transition-base);
}

.file-item .remove:hover {
  color: #b91c1c;
}

/* ============================================================
   MODALS & OVERLAYS
   ============================================================ */

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  animation: fadeIn var(--transition-base);
}

.modal-overlay.show {
  display: flex;
}

.modal {
  background: white;
  border-radius: var(--radius-xl);
  width: 600px;
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  animation: slideUp var(--transition-base);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--gray-400);
  padding: 4px 8px;
  transition: color var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
}

.modal-close:hover {
  color: var(--gray-600);
  background: var(--gray-100);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ============================================================
   AVATARS
   ============================================================ */

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-weight: 700;
  font-size: 14px;
  background: var(--primary-light);
  color: var(--primary);
  border: 2px solid white;
  box-shadow: 0 0 0 1px var(--gray-200);
}

.avatar.sm {
  width: 28px;
  height: 28px;
  font-size: 12px;
}

.avatar.lg {
  width: 48px;
  height: 48px;
  font-size: 16px;
}

.avatar.secondary {
  background: var(--secondary-light);
  color: var(--secondary);
}

.avatar.success {
  background: var(--success-light);
  color: var(--success);
}

.avatar.warning {
  background: var(--warning-light);
  color: var(--warning);
}

.avatar.danger {
  background: var(--danger-light);
  color: var(--danger);
}

/* ============================================================
   MESSAGES & CHAT
   ============================================================ */

.messages-container {
  max-height: 400px;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
}

.message {
  max-width: 75%;
  padding: 10px 14px;
  border-radius: var(--radius-lg);
  font-size: 14px;
  line-height: var(--line-height-base);
  animation: slideUp var(--transition-base);
  word-wrap: break-word;
}

.message.sent {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border-bottom-right-radius: 4px;
  box-shadow: var(--shadow-sm);
}

.message.received {
  align-self: flex-start;
  background: white;
  color: var(--gray-700);
  border-bottom-left-radius: 4px;
  border: 1px solid var(--gray-200);
}

.message .meta {
  font-size: 11px;
  margin-top: 4px;
  opacity: 0.7;
}

.message-input {
  display: flex;
  gap: 8px;
  padding: 16px;
  border-top: 1px solid var(--gray-200);
  background: white;
}

.message-input input {
  flex: 1;
  padding: 10px 14px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: all var(--transition-base);
}

.message-input input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* ============================================================
   LOADING & ANIMATIONS
   ============================================================ */

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  min-height: 200px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.fade-in {
  animation: fadeIn var(--transition-slow);
}

/* ============================================================
   UTILITY & EFFECT CLASSES
   ============================================================ */

/* Glassmorphism effect */
.glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Gradient text */
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

/* Charts container */
.chart-container {
  position: relative;
  height: 280px;
  width: 100%;
  margin: 16px 0;
}

/* Two column layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* Money/currency formatting */
.money {
  font-family: 'SF Mono', 'Monaco', 'Courier New', monospace;
  font-weight: 600;
  color: var(--primary);
}

/* Utility text colors */
.text-positive {
  color: var(--success);
}

.text-negative {
  color: var(--danger);
}

.text-muted {
  color: var(--gray-500);
}

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

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

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 32px;
  color: var(--gray-500);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  color: var(--gray-700);
  margin-bottom: 8px;
}

.empty-state p {
  margin-bottom: 0;
  font-size: 13px;
}

/* Action buttons container */
.action-btns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Hidden utility */
.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

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

@media (max-width: 1024px) {
  .two-col {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}

@media (max-width: 900px) {
  .sidebar {
    width: 60px;
    padding: 16px 8px;
  }

  .sidebar h2,
  .sidebar .user-info,
  .nav-item span:not(.icon) {
    display: none;
  }

  .nav-item {
    padding: 12px;
    justify-content: center;
  }

  .nav-item.logout {
    position: static;
    margin-top: auto;
  }

  .main {
    margin-left: 60px;
    padding: 20px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-header .actions {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .sidebar {
    width: 50px;
    padding: 12px 6px;
  }

  .main {
    margin-left: 50px;
    padding: 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .page-title {
    font-size: 20px;
  }

  .modal {
    width: 95vw;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .table-modern {
    font-size: 12px;
  }

  .table-modern th,
  .table-modern td {
    padding: 8px 12px;
  }

  .btn-lg {
    width: 100%;
  }

  .message {
    max-width: 90%;
  }

  .page-header .actions {
    flex-direction: column;
    width: 100%;
  }

  .page-header .actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 13px;
  }

  .sidebar {
    width: 50px;
  }

  .main {
    margin-left: 50px;
    padding: 12px;
  }

  .page-title {
    font-size: 18px;
    margin-bottom: 16px;
  }

  .stats-grid {
    gap: 12px;
  }

  .stat-card {
    padding: 16px;
  }

  .stat-card .value {
    font-size: 24px;
  }

  .card-body {
    padding: 16px;
  }

  h1 {
    font-size: 24px;
  }

  h2 {
    font-size: 20px;
  }

  h3 {
    font-size: 16px;
  }
}