@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ================================
   CSS VARIABLES & DESIGN TOKENS
   ================================ */
:root {
  --bg-primary: #0a0a1a;
  --bg-secondary: #111127;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --bg-glass: rgba(17, 17, 39, 0.8);
  --bg-input: rgba(255, 255, 255, 0.06);
  --bg-sidebar: rgba(10, 10, 26, 0.95);
  
  --accent: #00d4ff;
  --accent-glow: rgba(0, 212, 255, 0.3);
  --accent-secondary: #e94560;
  --accent-success: #00e676;
  --accent-warning: #ffc107;
  --accent-danger: #ff5252;
  
  --text-primary: #e8eaed;
  --text-secondary: #9aa0a6;
  --text-muted: #5f6368;
  
  --border: rgba(255, 255, 255, 0.08);
  --border-active: rgba(0, 212, 255, 0.4);
  
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.15);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --sidebar-width: 260px;
  --sidebar-collapsed: 72px;
  --header-height: 64px;
  
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================================
   RESET & BASE
   ================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ================================
   SCROLLBAR
   ================================ */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.2);
}

/* ================================
   LOGIN PAGE
   ================================ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.mobile-menu-toggle {
  display: none;
}

.login-page::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  animation: float 8s ease-in-out infinite;
}

.login-page::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(233, 69, 96, 0.15) 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.1); }
}

.login-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 1;
  animation: slideUp 0.6s ease-out;
  box-shadow: var(--shadow);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo .logo-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--accent), #0099cc);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 28px;
  box-shadow: 0 0 30px var(--accent-glow);
}

.login-logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #80e5ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-logo p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 4px;
}

/* ================================
   FORMS
   ================================ */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

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

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: rgba(255, 255, 255, 0.08);
}

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

.form-input.error {
  border-color: var(--accent-danger);
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239aa0a6' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

select.form-input option {
  background-color: #1a1e2a; /* Solid dark background to prevent transparency issues */
  color: #e5e7eb;
}

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

/* Custom Searchable Select */
.custom-select-wrapper {
  position: relative;
  user-select: none;
  width: 100%;
}
.custom-select-trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.custom-select-trigger .arrow {
  width: 10px;
  height: 6px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239aa0a6' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  transition: transform 0.3s;
}
.custom-select-wrapper.open .arrow {
  transform: rotate(180deg);
}
.custom-options {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #1a1e2a;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  margin-top: 4px;
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s, visibility 0.2s;
  overflow: hidden;
}
.custom-select-wrapper.open .custom-options {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}
.custom-search {
  padding: 8px;
  background: rgba(0,0,0,0.2);
  border-bottom: 1px solid var(--border);
}
.custom-search input {
  padding: 8px 12px;
  font-size: 0.85rem;
}
.options-list {
  max-height: 200px;
  overflow-y: auto;
}
.custom-option {
  padding: 10px 16px;
  font-size: 0.9rem;
  color: #e5e7eb;
  cursor: pointer;
  transition: background 0.2s;
}
.custom-option:hover {
  background: var(--accent);
  color: #fff;
}
.custom-option.selected {
  background: rgba(0, 153, 204, 0.2);
  color: var(--accent);
  font-weight: 500;
}
.custom-option.hidden {
  display: none;
}

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

.form-error {
  color: var(--accent-danger);
  font-size: 0.75rem;
  margin-top: 4px;
  display: none;
}

.form-error.visible {
  display: block;
}

/* ================================
   BUTTONS
   ================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #0099cc);
  color: #000;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px var(--accent-glow);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
}

.btn-danger {
  background: rgba(255, 82, 82, 0.15);
  color: var(--accent-danger);
  border: 1px solid rgba(255, 82, 82, 0.3);
}

.btn-danger:hover {
  background: rgba(255, 82, 82, 0.25);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8125rem;
}

.btn-block {
  width: 100%;
}

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

.btn .spinner {
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ================================
   LAYOUT - SIDEBAR + MAIN
   ================================ */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: var(--transition);
}

.sidebar-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-header .logo-sm {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), #0099cc);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.sidebar-header h2 {
  font-size: 1rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #80e5ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.nav-section {
  margin-bottom: 24px;
}

.nav-section-title {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0 12px;
  margin-bottom: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
  margin-bottom: 2px;
  cursor: pointer;
}

.nav-item:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent);
}

.nav-item .nav-icon {
  font-size: 1.125rem;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.nav-item .badge {
  margin-left: auto;
  background: var(--accent-secondary);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
  min-width: 22px;
  text-align: center;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.user-avatar {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #e94560, #c73654);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.user-details {
  flex: 1;
  min-width: 0;
}

.user-details .name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-details .role {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-logout {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  font-size: 1.125rem;
}

.btn-logout:hover {
  color: var(--accent-danger);
  background: rgba(255, 82, 82, 0.1);
}

/* ================================
   MAIN CONTENT
   ================================ */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

.page-header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 10, 26, 0.6);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
}

.page-header .subtitle {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

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

.page-body {
  padding: 32px;
}

/* ================================
   STAT CARDS (Dashboard)
   ================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: var(--transition);
}

.stat-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card.active {
  border-color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
  box-shadow: var(--shadow-glow);
}

.stat-card.active::before {
  opacity: 1;
}

.stat-card .stat-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-card .stat-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.stat-card .stat-change {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 8px;
  padding: 2px 8px;
  border-radius: 12px;
}

.stat-change.positive {
  background: rgba(0, 230, 118, 0.1);
  color: var(--accent-success);
}

.stat-change.negative {
  background: rgba(255, 82, 82, 0.1);
  color: var(--accent-danger);
}

/* ================================
   DATA TABLE
   ================================ */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

.table-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.table-search {
  position: relative;
}

.table-search input {
  padding: 8px 16px 8px 36px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.8125rem;
  width: 260px;
  outline: none;
  transition: var(--transition);
}

.table-search input:focus {
  border-color: var(--accent);
  width: 320px;
}

.table-search::before {
  content: '🔍';
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.75rem;
}

.table-filters {
  display: flex;
  gap: 8px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.filter-chip {
  padding: 6px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-chip:hover,
.filter-chip.active {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent);
  color: var(--accent);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 14px 16px;
  font-size: 0.875rem;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  vertical-align: middle;
}

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

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

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

/* ================================
   BADGES & STATUS
   ================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-success {
  background: rgba(0, 230, 118, 0.12);
  color: var(--accent-success);
}

.badge-warning {
  background: rgba(255, 193, 7, 0.12);
  color: var(--accent-warning);
}

.badge-danger {
  background: rgba(255, 82, 82, 0.12);
  color: var(--accent-danger);
}

.badge-info {
  background: rgba(0, 212, 255, 0.12);
  color: var(--accent);
}

.badge-neutral {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.green { background: var(--accent-success); box-shadow: 0 0 6px rgba(0,230,118,0.5); }
.status-dot.yellow { background: var(--accent-warning); box-shadow: 0 0 6px rgba(255,193,7,0.5); }
.status-dot.red { background: var(--accent-danger); box-shadow: 0 0 6px rgba(255,82,82,0.5); }
.status-dot.blue { background: var(--accent); box-shadow: 0 0 6px var(--accent-glow); }

/* ================================
   MODAL
   ================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(20px);
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

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

.modal-header h3 {
  font-size: 1.125rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.modal-body {
  padding: 24px;
}

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

/* ================================
   TOAST NOTIFICATIONS
   ================================ */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  min-width: 300px;
  max-width: 440px;
  animation: slideIn 0.3s ease-out;
  font-size: 0.875rem;
}

.toast.success { border-left: 3px solid var(--accent-success); }
.toast.error { border-left: 3px solid var(--accent-danger); }
.toast.warning { border-left: 3px solid var(--accent-warning); }
.toast.info { border-left: 3px solid var(--accent); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}

.toast.removing {
  animation: slideOut 0.3s ease-in forwards;
}

/* ================================
   LOADING STATES
   ================================ */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

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

.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--text-secondary);
  gap: 16px;
}

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

/* ================================
   EMPTY STATE
   ================================ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.125rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.875rem;
  max-width: 400px;
  margin: 0 auto 20px;
}

/* ================================
   SECTION CARDS
   ================================ */
.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

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

.section-card-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.section-card-body {
  padding: 20px;
}

/* ================================
   FORM PAGES
   ================================ */
.form-page {
  max-width: 700px;
}

.form-section {
  margin-bottom: 32px;
}

.form-section-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 1024px) {
  .mobile-menu-toggle {
    display: block !important;
    margin-right: 1rem;
    font-size: 1.25rem;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    cursor: pointer;
  }

  .sidebar {
    transform: translateX(-100%);
    position: fixed;
    z-index: 1000;
    height: 100vh;
  }
  
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 5px 0 25px rgba(0,0,0,0.5);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .page-body {
    padding: 20px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }

  .page-actions {
    flex-wrap: wrap;
  }
}

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .stat-card {
    padding: 16px;
  }
  
  .stat-card .stat-value {
    font-size: 1.5rem;
  }
  
  .stat-card .stat-label {
    font-size: 0.7rem;
  }
  
  .page-header {
    padding: 16px 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .page-actions {
    width: 100%;
    flex-wrap: wrap;
  }
  
  .page-actions input[type="date"] {
    flex: 1;
    min-width: 0;
  }
  
  .page-body {
    padding: 16px;
  }
  
  .table-search input {
    width: 100%;
  }
  
  .table-search input:focus {
    width: 100%;
  }
  
  .data-table th,
  .data-table td {
    padding: 10px 12px;
    font-size: 0.8rem;
  }
}

/* ================================
   UTILITY CLASSES
   ================================ */
.text-accent { color: var(--accent); }
.text-success { color: var(--accent-success); }
.text-warning { color: var(--accent-warning); }
.text-danger { color: var(--accent-danger); }
.text-muted { color: var(--text-secondary); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.font-mono { font-family: 'JetBrains Mono', 'Fira Code', monospace; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.hidden { display: none !important; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 200px; }