/**
 * Heartline Medical Clinic - Unified Design System
 * Professional, Modern, Healthcare-focused UI
 * =============================================
 */

/* ==========================================
   CSS Variables - Design Tokens
   ========================================== */
:root {
    /* Primary Colors - Medical Blue */
    --primary-50: #e6f3ff;
    --primary-100: #b3daff;
    --primary-200: #80c1ff;
    --primary-300: #4da8ff;
    --primary-400: #1a8fff;
    --primary-500: #0074d9;
    --primary-600: #005cb3;
    --primary-700: #00448c;
    --primary-800: #002c66;
    --primary-900: #001433;
    
    /* Accent Colors - Healthcare Cyan */
    --accent-50: #e6fbff;
    --accent-100: #b3f3ff;
    --accent-200: #80ebff;
    --accent-300: #4de3ff;
    --accent-400: #1adbff;
    --accent-500: #00b4ff;
    --accent-600: #0090cc;
    --accent-700: #006c99;
    --accent-800: #004866;
    --accent-900: #002433;
    
    /* Semantic Colors */
    --success-50: #e8f5e9;
    --success-500: #28a745;
    --success-600: #1e7e34;
    
    --warning-50: #fff8e1;
    --warning-500: #ffc107;
    --warning-600: #e0a800;
    
    --danger-50: #ffebee;
    --danger-500: #dc3545;
    --danger-600: #c82333;
    
    --info-50: #e3f2fd;
    --info-500: #17a2b8;
    --info-600: #138496;
    
    /* Neutral Colors */
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0074d9 0%, #00b4ff 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --gradient-light: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.15);
    --shadow-primary: 0 4px 20px rgba(0, 116, 217, 0.2);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* 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;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;

    /* ==========================================
       SEMANTIC VARIABLES (THEME AWARE)
       ========================================== */
    --bg-page: var(--gray-50);
    --bg-card: #ffffff;
    --bg-sidebar: #0074d9;
    --bg-input: #ffffff;
    --bg-hover: var(--primary-50);
    
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-500);
    --text-on-primary: #ffffff;
    
    --border-color: var(--gray-200);
    --border-color-light: var(--gray-100);
    
    --shadow-card: var(--shadow-sm);
}

/* ==========================================
   Dark Mode Overrides
   ========================================== */
body.dark-mode {
    /* Re-map semantic variables for dark mode */
    --bg-page: #121212;
    --bg-card: #1e1e1e;
    --bg-sidebar: var(--gradient-dark);
    --bg-input: #2d2d2d;
    --bg-hover: rgba(255, 255, 255, 0.05);
    
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-muted: #6c757d;
    --text-on-primary: #ffffff;
    
    --border-color: #333333;
    --border-color-light: #2a2a2a;
    
    --shadow-card: 0 4px 6px rgba(0, 0, 0, 0.3);
    
    /* Adjust base colors if needed */
    --gray-50: #121212;
    --gray-100: #1e1e1e;
    --gray-200: #2d2d2d;
    --gray-800: #e0e0e0;
    --gray-900: #ffffff;
}

body.dark-mode .page-header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #1f3a5f 100%);
}

body.dark-mode .sidebar-toggle {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

body.dark-mode .sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ==========================================
   Base Styles
   ========================================== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-page);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ==========================================
   Typography
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

.text-primary { color: var(--primary-500) !important; }
.text-muted { color: var(--text-secondary) !important; }
.text-success { color: var(--success-500) !important; }
.text-warning { color: var(--warning-600) !important; }
.text-danger { color: var(--danger-500) !important; }

/* ==========================================
   Sidebar
   ========================================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: #0074d9 !important;
    color: var(--text-on-primary);
    overflow-y: auto;
    overflow-x: hidden;
    transition: width var(--transition-normal), background var(--transition-normal);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

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

.sidebar-header {
    padding: var(--space-6);
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header img {
    max-width: 80px;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.2));
    margin-bottom: var(--space-2);
    transition: transform var(--transition-normal);
}

.sidebar-header:hover img {
    transform: scale(1.05);
}

.sidebar-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-on-primary);
}

.sidebar-header .subtitle {
    font-size: 0.75rem;
    opacity: 0.8;
    margin-top: var(--space-1);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-nav {
    padding: var(--space-4) 0;
    margin: 0;
    list-style: none;
}

.sidebar-nav .nav-item {
    margin: var(--space-1) var(--space-3);
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    color: #ffffff;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.sidebar-nav .nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-on-primary);
    transform: translateX(4px);
}

.sidebar-nav .nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-on-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.sidebar-nav .nav-link:focus {
    outline: 2px solid rgba(255, 255, 255, 0.8);
    outline-offset: 2px;
}

.sidebar-nav .nav-link i {
    width: 24px;
    font-size: 1rem;
    margin-right: var(--space-3);
    text-align: center;
}

.sidebar.collapsed .nav-text,
.sidebar.collapsed .sidebar-header h3,
.sidebar.collapsed .sidebar-header .subtitle {
    display: none;
}

.sidebar.collapsed .nav-link {
    justify-content: center;
    padding: var(--space-3);
}

.sidebar.collapsed .nav-link i {
    margin-right: 0;
    font-size: 1.25rem;
}

/* Sidebar Toggle */
.sidebar-toggle {
    position: fixed;
    top: var(--space-4);
    left: calc(var(--sidebar-width) + var(--space-4));
    z-index: 1002;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.sidebar-toggle.collapsed {
    left: calc(var(--sidebar-collapsed-width) + var(--space-4));
}

/* ==========================================
   App Header (New Global Header)
   ========================================== */
.app-header {
    height: 70px;
    background: #ffffff;
    border-bottom: 1px solid var(--border-color-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
    position: sticky;
    top: 0;
    z-index: 999;
    transition: background-color var(--transition-normal);
}

body.dark-mode .app-header {
    background: #1e1e1e;
    border-bottom-color: #333;
}

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

.header-toggle {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.header-toggle:hover {
    background: var(--bg-hover);
    color: var(--primary-500);
}

.header-search {
    position: relative;
    display: none; /* Hidden on mobile by default */
}

@media (min-width: 768px) {
    .header-search {
        display: block;
        width: 300px;
    }
}

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

.header-search .form-control {
    padding-left: 2.5rem;
    background: var(--bg-page);
    border: 1px solid transparent;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
}

.header-search .form-control:focus {
    background: var(--bg-card);
    border-color: var(--primary-300);
    box-shadow: 0 0 0 3px rgba(0, 116, 217, 0.1);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.header-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.header-btn:hover {
    background: var(--bg-hover);
    color: var(--primary-500);
}

.header-profile-btn {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: transparent;
    border: none;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.header-profile-btn:hover {
    background: var(--bg-hover);
}

.header-profile-btn .avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.header-profile-btn .profile-info {
    text-align: left;
    line-height: 1.2;
}

.header-profile-btn .name {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.header-profile-btn .role {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================
   Main Content
   ========================================== */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    background: var(--bg-page);
    transition: margin-left var(--transition-normal), background-color var(--transition-normal);
}

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

.content-wrapper {
    padding: var(--space-8);
    max-width: none;
}

/* ==========================================
   Page Header
   ========================================== */
.page-header {
    background: #0074d9 !important;
    color: var(--text-on-primary);
    padding: var(--space-6) var(--space-8);
    margin-left: calc(-1 * var(--space-8));
    margin-right: calc(-1 * var(--space-8));
    margin-top: calc(-1 * var(--space-8));
    margin-bottom: var(--space-8);
    position: relative;
    overflow: hidden;
    min-height: 100px;
    display: flex;
    align-items: center;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.page-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.page-title-section {
    flex: 1;
    min-width: 200px;
}

.page-title {
    color: #fff;
    margin-bottom: var(--space-1);
    font-size: 2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.page-title i {
    font-size: 1.5rem;
}

.page-subtitle {
    color: rgba(255, 255, 255, 0.95);
    margin: 0;
    font-size: 0.95rem;
}

.page-actions {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.page-header h1 {
    color: #fff;
    margin-bottom: var(--space-2);
    position: relative;
    z-index: 1;
}

.page-header p {
    opacity: 0.9;
    margin: 0;
    position: relative;
    z-index: 1;
}

.page-header .breadcrumb {
    background: transparent;
    padding: 0;
    margin: var(--space-4) 0 0;
    position: relative;
    z-index: 1;
}

.page-header .breadcrumb-item,
.page-header .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
}

.page-header .breadcrumb-item.active {
    color: #fff;
}

/* ==========================================
   Cards
   ========================================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
    overflow: hidden;
    color: var(--text-primary);
}

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

.card-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-5) var(--space-6);
    font-weight: 600;
}

.card-header h5 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

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

/* Stat Cards */
.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color-light);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.stat-card .stat-icon {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    font-size: 2.5rem;
    opacity: 0.8;
    color: var(--primary-500);
}

.stat-card .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: var(--space-2);
}

.stat-card .stat-change {
    display: inline-flex;
    align-items: center;
    font-size: 0.8rem;
    font-weight: 600;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    margin-top: var(--space-3);
}

.stat-card .stat-change.positive {
    background: var(--success-50);
    color: var(--success-500);
}

.stat-card .stat-change.negative {
    background: var(--danger-50);
    color: var(--danger-500);
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    font-weight: 500;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.btn:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(0, 116, 217, 0.25);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
    color: #fff;
}

.btn:disabled,
.btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-200);
    color: var(--gray-800);
    transform: translateY(-1px);
}

.btn-success {
    background: var(--success-500);
    color: #fff;
}

.btn-success:hover:not(:disabled) {
    background: var(--success-600);
    color: #fff;
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger-500);
    color: #fff;
}

.btn-danger:hover:not(:disabled) {
    background: var(--danger-600);
    color: #fff;
    transform: translateY(-1px);
}

.btn-warning {
    background: var(--warning-500);
    color: var(--gray-900);
}

.btn-warning:hover:not(:disabled) {
    background: var(--warning-600);
    transform: translateY(-1px);
}

.btn-outline-primary {
    background: transparent;
    border: 2px solid var(--primary-500);
    color: var(--primary-500);
}

.btn-outline-primary:hover:not(:disabled) {
    background: var(--primary-500);
    color: #fff;
    transform: translateY(-1px);
}

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

.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: 0.8rem;
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* ==========================================
   Tables
   ========================================== */
.table-container {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    border: 1px solid var(--border-color-light);
}

.table {
    margin-bottom: 0;
    width: 100%;
    color: var(--text-primary);
}

.table thead th {
    background: var(--gray-100);
    color: var(--gray-800);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--space-4) var(--space-4);
    border: none;
    white-space: nowrap;
}

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

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

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

.table tbody td {
    padding: var(--space-4);
    vertical-align: middle;
    border: none;
}

/* Table Actions */
.table-actions {
    display: flex;
    gap: var(--space-2);
}

.table-actions .btn {
    padding: var(--space-1) var(--space-2);
    font-size: 0.8rem;
}

/* ==========================================
   Badges
   ========================================== */
.badge {
    font-weight: 600;
    font-size: 0.75rem;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: var(--primary-100);
    color: var(--primary-700);
}

.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-light {
    background: var(--gray-100);
    color: var(--gray-600);
}

.badge-dark {
    background: var(--gray-800);
    color: #fff;
}

/* ==========================================
   Forms
   ========================================== */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
    display: block;
}

.form-control {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: 0.9375rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    background: var(--bg-input);
    color: var(--text-primary);
}

.form-control:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: -1px;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(0, 116, 217, 0.15);
}

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

.form-control.is-invalid {
    border-color: var(--danger-500);
}

.form-control.is-valid {
    border-color: var(--success-500);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--space-3) center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: var(--space-10);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* Form Card */
.form-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    padding: var(--space-8);
    border: 1px solid var(--border-color-light);
}

.form-card .form-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--border-color-light);
}

/* ==========================================
   Pagination
   ========================================== */
.pagination-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-6);
    background: var(--bg-page);
    border-top: 1px solid var(--border-color);
}

.pagination-info {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.pagination {
    display: flex;
    gap: var(--space-1);
    margin: 0;
}

.page-item .page-link {
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    background: var(--bg-card);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.page-item .page-link:hover {
    background: var(--primary-50);
    border-color: var(--primary-500);
    color: var(--primary-500);
}

.page-item.active .page-link {
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: #fff;
}

.page-item.disabled .page-link {
    background: var(--bg-page);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* ==========================================
   Alerts / Flash Messages
   ========================================== */
.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-lg);
    border: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.alert-success {
    background: var(--success-50);
    color: var(--success-600);
}

.alert-danger {
    background: var(--danger-50);
    color: var(--danger-600);
}

.alert-warning {
    background: var(--warning-50);
    color: var(--warning-600);
}

.alert-info {
    background: var(--info-50);
    color: var(--info-600);
}

/* ==========================================
   Empty States
   ========================================== */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-8);
}

.empty-state i {
    font-size: 4rem;
    color: var(--gray-300);
    margin-bottom: var(--space-4);
}

.empty-state h3 {
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: var(--space-6);
}

/* ==========================================
   Loading States
   ========================================== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-100) 0%,
        var(--gray-200) 50%,
        var(--gray-100) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

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

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ==========================================
   Quick Actions
   ========================================== */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.action-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color-light);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.action-card:hover {
    border-color: var(--primary-500);
    background: var(--primary-50);
    transform: translateY(-4px);
    box-shadow: var(--shadow-primary);
    text-decoration: none;
    color: var(--primary-600);
}

.action-card i {
    font-size: 2rem;
    color: var(--primary-500);
    margin-bottom: var(--space-3);
    display: block;
}

.action-card h5 {
    margin: 0;
    font-weight: 600;
}

/* ==========================================
   Avatar
   ========================================== */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
}

.avatar-lg {
    width: 56px;
    height: 56px;
    font-size: 1.25rem;
}

/* ==========================================
   Responsive
   ========================================== */
/* Removed aggressive tablet breakpoint - sidebar stays full width until mobile */

@media (max-width: 768px) {
    .sidebar {
        width: var(--sidebar-collapsed-width);
    }
    
    .sidebar .nav-text,
    .sidebar .sidebar-header h3,
    .sidebar .sidebar-header .subtitle {
        display: none;
    }
    
    .sidebar .nav-link {
        justify-content: center;
        padding: var(--space-3);
    }
    
    .sidebar .nav-link i {
        margin-right: 0;
        font-size: 1.25rem;
    }
    
    .main-content {
        margin-left: var(--sidebar-collapsed-width);
    }
    
    .sidebar-toggle {
        left: calc(var(--sidebar-collapsed-width) + var(--space-4));
    }
    
    .content-wrapper {
        padding: var(--space-4);
    }
    
    .page-header {
        padding: var(--space-4);
        margin-left: calc(-1 * var(--space-4));
        margin-right: calc(-1 * var(--space-4));
        margin-top: calc(-1 * var(--space-4));
        margin-bottom: var(--space-4);
        min-height: auto;
    }
    
    .page-header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .page-title {
        font-size: 1.25rem;
    }
    
    .page-actions {
        width: 100%;
        justify-content: flex-start;
    }
    
    .stat-card .stat-number {
        font-size: 2rem;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   Utilities
   ========================================== */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mt-4 { margin-top: var(--space-4); }
.p-4 { padding: var(--space-4); }
.rounded-lg { border-radius: var(--radius-lg); }
.shadow-md { box-shadow: var(--shadow-md); }
.w-full { width: 100%; }
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ==========================================
   Stats Grid
   ========================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: transform var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: var(--shadow-md);
    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-400));
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 116, 217, 0.3);
}

.stat-icon.success {
    background: linear-gradient(135deg, var(--success-500), #34c759);
    color: #fff;
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

.stat-icon.warning {
    background: linear-gradient(135deg, var(--warning-600), var(--warning-500));
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.3);
}

.stat-icon.danger {
    background: linear-gradient(135deg, var(--danger-500), #ff6b6b);
    color: #fff;
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

.stat-icon.info {
    background: linear-gradient(135deg, var(--info-500), #20c997);
    color: #fff;
    box-shadow: 0 4px 12px rgba(23, 162, 184, 0.3);
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ==========================================
   Utility Classes for Stats & Dark Mode
   ========================================== */

/* Stat Icon Colors (replacing inline styles) */
.bg-primary-subtle { background-color: var(--primary-50) !important; }
.text-primary { color: var(--primary-500) !important; }

.bg-success-subtle { background-color: var(--success-50) !important; }
.text-success { color: var(--success-500) !important; }

.bg-warning-subtle { background-color: var(--warning-50) !important; }
.text-warning { color: var(--warning-600) !important; }

.bg-info-subtle { background-color: var(--info-50) !important; }
.text-info { color: var(--info-500) !important; }

.bg-danger-subtle { background-color: var(--danger-50) !important; }
.text-danger { color: var(--danger-500) !important; }

/* Dark Mode Overrides for Stats */
body.dark-mode .bg-primary-subtle { background-color: rgba(0, 116, 217, 0.15) !important; }
body.dark-mode .text-primary { color: var(--primary-300) !important; }

body.dark-mode .bg-success-subtle { background-color: rgba(40, 167, 69, 0.15) !important; }
body.dark-mode .text-success { color: #4ade80 !important; }

body.dark-mode .bg-warning-subtle { background-color: rgba(255, 193, 7, 0.15) !important; }
body.dark-mode .text-warning { color: #fcd34d !important; }

body.dark-mode .bg-info-subtle { background-color: rgba(23, 162, 184, 0.15) !important; }
body.dark-mode .text-info { color: #67e8f9 !important; }

/* Auth Card Dark Mode */
body.dark-mode .auth-card {
    background-color: #1e1e1e;
    border-color: #333;
}
body.dark-mode .auth-header {
    background-color: #111;
    border-bottom: 1px solid #333;
}
body.dark-mode .auth-footer {
    background-color: #111;
    border-top-color: #333;
    color: #888;
}
body.dark-mode .brand-logo {
    background-color: #333;
    box-shadow: none;
}

/* Stat Card Dark Mode */
body.dark-mode .stat-card {
    background-color: #1e1e1e;
    border: 1px solid #333;
}
body.dark-mode .stat-value {
    color: #fff;
}
body.dark-mode .stat-label {
    color: #aaa;
}

/* Button Dark Mode Tweaks */
body.dark-mode .btn-light {
    background-color: #2d2d2d;
    border-color: #444;
    color: #eee;
}
body.dark-mode .btn-light:hover {
    background-color: #3d3d3d;
    color: #fff;
}

/* ==========================================
   Patient Details Utilities
   ========================================== */
.avatar-xl {
    width: 80px;
    height: 80px;
    font-size: 2rem;
}

.clinical-note {
    background-color: var(--warning-50);
    border-left: 4px solid var(--warning-500);
    padding: var(--space-4);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
}

body.dark-mode .clinical-note {
    background-color: rgba(255, 193, 7, 0.1);
    color: var(--gray-300);
}

/* ==========================================
   Patient Details & Clinical Notes
   ========================================== */

.avatar-xl {
    width: 80px;
    height: 80px;
    font-size: 2rem;
}

.clinical-note {
    background-color: var(--bg-page);
    border: 1px solid var(--border-color-light);
    border-left: 4px solid var(--primary-500);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.6;
}

body.dark-mode .clinical-note {
    background-color: #2d2d2d;
    border-color: #444;
    border-left-color: var(--primary-400);
    color: #e0e0e0;
}

/* ==========================================
   Navigation Utilities
   ========================================== */
.nav-divider {
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
}

.nav-divider.secondary {
    margin-top: 1rem;
}