/* ============================================
   CLINICIANS SA - Main Stylesheet
   Design System: Medical/Healthcare Theme
   ============================================ */

/* CSS Custom Properties */
:root {
  /* Primary Palette - Teal Medical */
  --primary-50: #f0fdfa;
  --primary-100: #ccfbf1;
  --primary-200: #99f6e4;
  --primary-300: #5eead4;
  --primary-400: #2dd4bf;
  --primary-500: #14b8a6;
  --primary-600: #0d9488;
  --primary-700: #0f766e;
  --primary-800: #115e59;
  --primary-900: #134e4a;

  /* Neutral Palette */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Semantic Colors */
  --success-50: #f0fdf4;
  --success-500: #22c55e;
  --success-600: #16a34a;
  --warning-50: #fffbeb;
  --warning-500: #f59e0b;
  --warning-600: #d97706;
  --danger-50: #fef2f2;
  --danger-500: #ef4444;
  --danger-600: #dc2626;
  --info-50: #eff6ff;
  --info-500: #3b82f6;
  --info-600: #2563eb;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  --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: 1.875rem;
  --text-4xl: 2.25rem;

  /* Spacing */
  --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;

  /* Layout */
  --sidebar-width: 260px;
  --sidebar-collapsed: 72px;
  --header-height: 64px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

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

  /* Z-index scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-popover: 400;
  --z-tooltip: 500;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: var(--gray-900);
    --bg-secondary: var(--gray-800);
    --bg-tertiary: var(--gray-700);
    --text-primary: var(--gray-50);
    --text-secondary: var(--gray-300);
    --text-tertiary: var(--gray-400);
    --border-color: var(--gray-700);
  }
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: #ffffff;
    --bg-secondary: var(--gray-50);
    --bg-tertiary: var(--gray-100);
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-tertiary: var(--gray-400);
    --border-color: var(--gray-200);
  }
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 4px;
}

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

/* Selection */
::selection {
  background: var(--primary-200);
  color: var(--primary-900);
}

/* ============================================
   LOADING SCREEN
   ============================================ */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--primary-50);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
  max-width: 320px;
  padding: var(--space-8);
}

.logo-container {
  margin-bottom: var(--space-6);
}

.app-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

.app-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--primary-800);
  margin-bottom: var(--space-2);
  letter-spacing: -0.025em;
}

.app-subtitle {
  font-size: var(--text-base);
  color: var(--primary-600);
  margin-bottom: var(--space-8);
  font-weight: 500;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--primary-200);
  border-top-color: var(--primary-600);
  border-radius: 50%;
  margin: 0 auto var(--space-4);
  animation: spin 0.8s linear infinite;
}

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

.loading-text {
  font-size: var(--text-sm);
  color: var(--gray-500);
  margin-bottom: var(--space-4);
}

.loading-progress {
  width: 100%;
  height: 4px;
  background: var(--primary-200);
  border-radius: 2px;
  overflow: hidden;
}

.loading-progress-bar {
  height: 100%;
  background: var(--primary-600);
  border-radius: 2px;
  width: 0%;
  transition: width 0.3s ease;
}

/* ============================================
   LAYOUT - App Shell
   ============================================ */
.app-shell {
  display: flex;
  min-height: 100vh;
  background: var(--bg-secondary);
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-primary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: var(--z-sticky);
  transition: width var(--transition-slow), transform var(--transition-slow);
  overflow: hidden;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

.sidebar.collapsed .sidebar-text,
.sidebar.collapsed .sidebar-section-title {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.sidebar-header {
  padding: var(--space-5);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: var(--header-height);
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.sidebar-brand {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--primary-700);
  white-space: nowrap;
  transition: opacity var(--transition-fast);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) 0;
}

.sidebar-section {
  margin-bottom: var(--space-2);
}

.sidebar-section-title {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  transition: opacity var(--transition-fast);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

.sidebar-link:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.sidebar-link.active {
  background: var(--primary-50);
  color: var(--primary-700);
}

.sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary-600);
  border-radius: 0 3px 3px 0;
}

.sidebar-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-link.active .sidebar-icon,
.sidebar-link:hover .sidebar-icon {
  opacity: 1;
}

.sidebar-text {
  transition: opacity var(--transition-fast);
  white-space: nowrap;
}

.sidebar-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border-color);
}

.sync-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.sync-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success-500);
  position: relative;
}

.sync-indicator.syncing {
  background: var(--warning-500);
  animation: blink 1.5s ease-in-out infinite;
}

.sync-indicator.offline {
  background: var(--danger-500);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-slow);
}

.sidebar.collapsed ~ .main-content {
  margin-left: var(--sidebar-collapsed);
}

/* Header */
.app-header {
  height: var(--header-height);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-toggle {
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.header-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.header-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-btn {
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

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

.header-btn .badge {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 8px;
  height: 8px;
  background: var(--danger-500);
  border-radius: 50%;
  border: 2px solid var(--bg-primary);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.user-menu:hover {
  background: var(--bg-tertiary);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-100);
  color: var(--primary-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--text-sm);
}

.user-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.user-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.user-role {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

/* Content Area */
.content-area {
  flex: 1;
  padding: var(--space-6);
  overflow-y: auto;
}

/* ============================================
   COMPONENTS
   ============================================ */

/* Cards */
.card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
}

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

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.stat-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon.primary { background: var(--primary-100); color: var(--primary-600); }
.stat-icon.success { background: var(--success-50); color: var(--success-600); }
.stat-icon.warning { background: var(--warning-50); color: var(--warning-600); }
.stat-icon.danger { background: var(--danger-50); color: var(--danger-600); }
.stat-icon.info { background: var(--info-50); color: var(--info-600); }

.stat-content {
  flex: 1;
  min-width: 0;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--space-1);
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-change {
  font-size: var(--text-xs);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.stat-change.positive { color: var(--success-600); }
.stat-change.negative { color: var(--danger-600); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1.5;
}

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

.btn-primary {
  background: var(--primary-600);
  color: white;
  border-color: var(--primary-600);
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-700);
  border-color: var(--primary-700);
}

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

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

.btn-danger {
  background: var(--danger-600);
  color: white;
  border-color: var(--danger-600);
}

.btn-danger:hover:not(:disabled) {
  background: var(--danger-700);
}

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

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

.btn-sm { padding: var(--space-1) var(--space-3); font-size: var(--text-xs); }
.btn-lg { padding: var(--space-3) var(--space-6); font-size: var(--text-base); }

/* Forms */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: var(--danger-500);
  margin-left: var(--space-1);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px var(--primary-100);
}

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

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

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

.form-error {
  font-size: var(--text-xs);
  color: var(--danger-600);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

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

/* Tables */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
}

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

.data-table th {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-weight: 600;
  text-align: left;
  padding: var(--space-3) var(--space-4);
  white-space: nowrap;
  text-transform: uppercase;
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
}

.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

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

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

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

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: 9999px;
  white-space: nowrap;
}

.badge-success { background: var(--success-50); color: var(--success-600); }
.badge-warning { background: var(--warning-50); color: var(--warning-600); }
.badge-danger { background: var(--danger-50); color: var(--danger-600); }
.badge-info { background: var(--info-50); color: var(--info-600); }
.badge-neutral { background: var(--gray-100); color: var(--gray-600); }

/* Search */
.search-box {
  position: relative;
  width: 100%;
  max-width: 400px;
}

.search-box input {
  width: 100%;
  padding: var(--space-2) var(--space-3) var(--space-2) var(--space-10);
  font-size: var(--text-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px var(--primary-100);
}

.search-box .search-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

.search-box .search-clear {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 2px;
  display: none;
}

.search-box input:not(:placeholder-shown) + .search-icon + .search-clear {
  display: block;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.modal {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-base);
}

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

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
  color: var(--text-tertiary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

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

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* Toast notifications */
.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-popover);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
}

.toast {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 300px;
  max-width: 400px;
  pointer-events: all;
  border-left: 4px solid;
  animation: slideIn 0.3s ease;
}

.toast.success { border-left-color: var(--success-500); }
.toast.error { border-left-color: var(--danger-500); }
.toast.warning { border-left-color: var(--warning-500); }
.toast.info { border-left-color: var(--info-500); }

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

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.toast-message {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.toast-close {
  background: none;
  border: none;
  padding: var(--space-1);
  cursor: pointer;
  color: var(--text-tertiary);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

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

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-6);
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  color: var(--text-tertiary);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  max-width: 400px;
  margin: 0 auto var(--space-6);
}

/* Tabs */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-6);
}

.tab {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: -1px;
}

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

.tab.active {
  color: var(--primary-600);
  border-bottom-color: var(--primary-600);
}

/* Patient Card */
.patient-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  padding: var(--space-5);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.patient-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-300);
}

.patient-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.patient-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-100);
  color: var(--primary-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.patient-info h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.patient-info p {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.patient-meta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.patient-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-6);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -26px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary-500);
  border: 2px solid var(--bg-primary);
}

.timeline-content {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  border: 1px solid var(--border-color);
}

.timeline-date {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-bottom: var(--space-1);
}

.timeline-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.timeline-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* ============================================
   PAGE SPECIFIC STYLES
   ============================================ */

/* Dashboard */
.dashboard-header {
  margin-bottom: var(--space-6);
}

.dashboard-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.dashboard-subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-6);
}

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

/* Patient List */
.patient-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.patient-list-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
}

.patient-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-5);
}

/* Appointment Calendar */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.calendar-header {
  background: var(--bg-tertiary);
  padding: var(--space-3);
  text-align: center;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.calendar-day {
  background: var(--bg-primary);
  min-height: 100px;
  padding: var(--space-2);
  position: relative;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.calendar-day:hover {
  background: var(--bg-secondary);
}

.calendar-day.today {
  background: var(--primary-50);
}

.calendar-day-number {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.calendar-day.today .calendar-day-number {
  color: var(--primary-600);
  font-weight: 700;
}

.calendar-appointments {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.calendar-appointment {
  font-size: 10px;
  padding: 2px 4px;
  border-radius: 3px;
  background: var(--primary-100);
  color: var(--primary-700);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Prescription */
.prescription-form {
  max-width: 800px;
}

.prescription-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.medication-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.medication-item {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  border: 1px solid var(--border-color);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: var(--space-3);
  align-items: end;
}

/* Settings */
.settings-section {
  margin-bottom: var(--space-8);
}

.settings-section-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-color);
}

.settings-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border-color);
}

.settings-item:last-child {
  border-bottom: none;
}

.settings-item-info h4 {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.settings-item-info p {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

/* Toggle Switch */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--gray-300);
  border-radius: 12px;
  cursor: pointer;
  transition: background var(--transition-fast);
  border: none;
}

.toggle.active {
  background: var(--primary-500);
}

.toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.toggle.active::after {
  transform: translateX(20px);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  :root {
    --sidebar-width: 100%;
  }

  .sidebar {
    transform: translateX(-100%);
    width: 280px;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar.collapsed {
    transform: translateX(-100%);
    width: 280px;
  }

  .main-content {
    margin-left: 0 !important;
  }

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

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

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

  .medication-item {
    grid-template-columns: 1fr;
  }

  .content-area {
    padding: var(--space-4);
  }

  .calendar-grid {
    font-size: var(--text-xs);
  }

  .calendar-day {
    min-height: 60px;
    padding: var(--space-1);
  }

  .modal {
    max-width: 100%;
    margin: var(--space-4);
    max-height: calc(100vh - var(--space-8));
  }

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

  .data-table {
    font-size: var(--text-xs);
  }

  .data-table th,
  .data-table td {
    padding: var(--space-2);
  }

  .toast-container {
    left: var(--space-4);
    right: var(--space-4);
  }

  .toast {
    max-width: 100%;
    min-width: auto;
  }
}

/* Mobile sidebar overlay */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-sticky) - 1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

/* Print styles */
@media print {
  .sidebar,
  .app-header,
  .btn,
  .header-btn,
  .user-menu {
    display: none !important;
  }

  .main-content {
    margin-left: 0 !important;
  }

  .content-area {
    padding: 0;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !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: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000;
    --text-primary: #000;
    --text-secondary: #333;
  }

  .btn-primary {
    border: 2px solid #000;
  }
}