/* Modern Application Styles */
:root {
    /* Modern Color Palette */
    --primary-color: #6366f1;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    
    /* Enhanced Mobile Colors */
    --mobile-primary: #4f46e5;
    --mobile-secondary: #6b7280;
    --mobile-success: #059669;
    --mobile-danger: #dc2626;
    --mobile-warning: #d97706;
    --mobile-info: #0891b2;
    
    /* Advanced Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-info: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    
    /* Modern Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Modern Border Radius */
    --border-radius: 0.75rem;
    --border-radius-lg: 1.25rem;
    --border-radius-xl: 1.5rem;
    
    /* Smooth Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Responsive Breakpoints */
    --breakpoint-xs: 0px;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-xxl: 1400px;
    
    /* Mobile-specific Variables */
    --mobile-header-height: 60px;
    --mobile-nav-height: 50px;
    --mobile-card-padding: 1rem;
    --mobile-button-height: 44px;
    --mobile-touch-target: 44px;
}

/* Global Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding-top: 80px; /* Account for fixed navbar */
    line-height: 1.6;
    font-weight: var(--font-weight-normal);
    color: var(--dark-color);
    min-height: 100vh;
}

/* Modern Navigation Styles */
.navbar {
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
    background: var(--gradient-primary) !important;
    border-bottom: 1px solid var(--glass-border);
    height: 80px;
    transition: var(--transition);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-link {
    font-weight: 500;
    transition: var(--transition);
    border-radius: var(--border-radius);
    margin: 0 0.25rem;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.nav-link.active {
    background-color: rgba(255, 255, 255, 0.25);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Modern Main Content */
.main-content {
    min-height: calc(100vh - 80px);
    padding: 2rem 0;
    background: transparent;
}

.tab-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    margin: 1.5rem 0;
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.tab-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-glass);
    z-index: 1;
}

/* Modern Loading Spinner */
.loading-spinner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    padding: 3rem;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--glass-border);
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--border-radius);
}

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

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-text:last-child {
    width: 60%;
}

.skeleton-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
}

.skeleton-card {
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

/* Modern Card Styles */
.card {
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    overflow: hidden;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-glass);
    z-index: 1;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(255, 255, 255, 0.3);
}

.card-header {
    background: var(--gradient-primary);
    color: white;
    border: none;
    font-weight: 600;
    padding: 1rem 1.5rem;
}

/* Modern Button Styles */
.btn {
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
    border: none;
    padding: 0.875rem 1.75rem;
    position: relative;
    overflow: hidden;
    font-size: 0.95rem;
    letter-spacing: 0.025em;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow);
}

.btn-primary {
    background: var(--gradient-primary);
}

.btn-success {
    background: var(--gradient-success);
}

.btn-warning {
    background: var(--gradient-warning);
    color: white;
}

.btn-info {
    background: var(--gradient-info);
}

/* Modern Form Styles */
.form-control, .form-select {
    border-radius: var(--border-radius);
    border: 2px solid rgba(226, 232, 240, 0.8);
    transition: var(--transition);
    padding: 0.875rem 1.25rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    font-weight: var(--font-weight-normal);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background: rgba(255, 255, 255, 0.95);
    outline: none;
}

.form-control::placeholder {
    color: var(--secondary-color);
    opacity: 0.7;
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: var(--border-radius);
    border-left: 4px solid;
    font-weight: 500;
}

.alert-primary {
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1) 0%, rgba(13, 110, 253, 0.05) 100%);
    border-left-color: var(--primary-color);
    color: var(--primary-color);
}

.alert-success {
    background: linear-gradient(135deg, rgba(25, 135, 84, 0.1) 0%, rgba(25, 135, 84, 0.05) 100%);
    border-left-color: var(--success-color);
    color: var(--success-color);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, rgba(255, 193, 7, 0.05) 100%);
    border-left-color: var(--warning-color);
    color: #856404;
}

.alert-danger {
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.1) 0%, rgba(220, 53, 69, 0.05) 100%);
    border-left-color: var(--danger-color);
    color: var(--danger-color);
}

/* Badge Styles */
.badge {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.5rem 0.75rem;
}

/* Table Styles */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead th {
    background: var(--gradient-primary);
    color: white;
    border: none;
    font-weight: 600;
    padding: 1rem;
}

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

.table tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.05);
}

/* Modal Styles */
.modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.modal-footer {
    border: none;
    padding: 1.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        padding: 1rem 0;
    }
    
    .tab-content {
        padding: 1rem;
        margin: 0.5rem 0;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .nav-link {
        padding: 0.5rem 0.75rem;
        margin: 0.125rem 0;
    }
}

/* Modern Animation Classes */
.fade-in {
    animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(30px) scale(0.95); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0) scale(1); 
    }
}

.slide-in {
    animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideIn {
    from { 
        transform: translateX(-100%) scale(0.9); 
        opacity: 0;
    }
    to { 
        transform: translateX(0) scale(1); 
        opacity: 1;
    }
}

.scale-in {
    animation: scaleIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes scaleIn {
    from { 
        transform: scale(0.8); 
        opacity: 0;
    }
    to { 
        transform: scale(1); 
        opacity: 1;
    }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: .5;
    }
}

.bounce-in {
    animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes bounceIn {
    0% {
        transform: scale(0.3);
        opacity: 0;
    }
    50% {
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.fade-out {
    animation: fadeOut 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeOut {
    from { 
        opacity: 1; 
        transform: translateY(0) scale(1); 
    }
    to { 
        opacity: 0; 
        transform: translateY(-20px) scale(0.95); 
    }
}

/* Utility Classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: var(--gradient-primary);
}

.bg-gradient-success {
    background: var(--gradient-success);
}

.bg-gradient-warning {
    background: var(--gradient-warning);
}

.bg-gradient-info {
    background: var(--gradient-info);
}

.shadow-custom {
    box-shadow: var(--shadow);
}

.shadow-custom-lg {
    box-shadow: var(--shadow-lg);
}

/* Modern Status Dashboard */
.status-dashboard {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 1.5rem;
    min-width: 300px;
    z-index: 1000;
    margin-top: 0.5rem;
}

.status-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--glass-border);
}

.status-header h5 {
    margin: 0;
    color: white;
    font-weight: var(--font-weight-semibold);
}

.status-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.status-item {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.status-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(4px);
}

.status-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    background: rgba(255, 255, 255, 0.2);
}

.status-icon i {
    color: white;
    font-size: 1rem;
}

.status-info {
    flex: 1;
}

.status-name {
    color: white;
    font-weight: var(--font-weight-medium);
    font-size: 0.9rem;
}

.status-detail {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
}

.status-indicator {
    margin-left: 0.75rem;
}

.status-dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    position: relative;
}

.status-dot.online {
    background: var(--gradient-success);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.status-dot.offline {
    background: var(--gradient-danger);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

.status-dot.online::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0.25rem;
    height: 0.25rem;
    background: white;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Enhanced Responsive Design */

/* Mobile First Approach */
@media (max-width: 767.98px) {
    /* Mobile Navigation */
    .navbar {
        padding: 0.5rem 1rem;
        min-height: var(--mobile-header-height);
    }
    
    .navbar-brand {
        font-size: 1.25rem !important;
    }
    
    .navbar-nav {
        padding-top: 1rem;
    }
    
    .nav-link {
        padding: 0.75rem 1rem !important;
        margin: 0.25rem 0 !important;
        border-radius: var(--border-radius) !important;
        font-size: 0.95rem;
    }
    
    /* Main Content */
    .main-content {
        padding-top: calc(var(--mobile-header-height) + 1rem);
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    
    /* Location Controls */
    .location-controls {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .location-input-group {
        width: 100%;
    }
    
    .location-input {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 0.75rem;
        border-radius: var(--border-radius);
    }
    
    .location-buttons {
        display: flex;
        gap: 0.5rem;
        width: 100%;
    }
    
    .location-btn {
        flex: 1;
        min-height: var(--mobile-button-height);
        font-size: 0.9rem;
        padding: 0.75rem;
        border-radius: var(--border-radius);
    }
    
    /* Wait Time Cards */
    .wait-time-card {
        margin-bottom: 1rem;
        padding: 1rem;
        border-radius: var(--border-radius-lg);
        box-shadow: var(--shadow-md);
    }
    
    .wait-time-card .row {
        margin: 0;
    }
    
    .wait-time-card .col-md-8,
    .wait-time-card .col-md-4 {
        padding: 0;
        margin-bottom: 1rem;
    }
    
    .hospital-name {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }
    
    .hospital-address {
        font-size: 0.9rem;
        margin-bottom: 0.25rem;
    }
    
    .wait-time-number {
        font-size: 2rem;
        font-weight: var(--font-weight-bold);
    }
    
    .hospital-actions {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .hospital-actions .btn {
        width: 100%;
        min-height: var(--mobile-button-height);
        font-size: 0.9rem;
        padding: 0.75rem;
    }
    
    /* Stats Cards */
    .stats-overview .col-md-3 {
        margin-bottom: 1rem;
    }
    
    .stat-card {
        padding: 1rem;
        text-align: center;
        border-radius: var(--border-radius);
        background: white;
        box-shadow: var(--shadow);
    }
    
    .stat-number {
        font-size: 1.5rem;
        font-weight: var(--font-weight-bold);
        margin-bottom: 0.25rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
        color: var(--secondary-color);
    }
    
    /* Modals */
    .modal-dialog {
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }
    
    .modal-content {
        border-radius: var(--border-radius-lg);
    }
    
    .modal-header {
        padding: 1rem;
        border-bottom: 1px solid #e5e7eb;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .modal-footer {
        padding: 1rem;
        border-top: 1px solid #e5e7eb;
    }
    
    /* Form Controls */
    .form-control,
    .form-select {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 0.75rem;
        border-radius: var(--border-radius);
        min-height: var(--mobile-button-height);
    }
    
    .form-label {
        font-weight: var(--font-weight-medium);
        margin-bottom: 0.5rem;
    }
    
    /* Buttons */
    .btn {
        min-height: var(--mobile-button-height);
        font-size: 0.9rem;
        padding: 0.75rem 1rem;
        border-radius: var(--border-radius);
        touch-action: manipulation;
    }
    
    .btn-sm {
        min-height: calc(var(--mobile-button-height) * 0.8);
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }
    
    /* Toast Notifications */
    .toast-container {
        top: 1rem;
        right: 1rem;
        left: 1rem;
    }
    
    .toast {
        border-radius: var(--border-radius);
    }
}

/* Tablet Styles */
@media (min-width: 768px) and (max-width: 991.98px) {
    .main-content {
        padding-top: calc(var(--mobile-header-height) + 1rem);
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .location-controls {
        flex-direction: row;
        align-items: center;
        gap: 1rem;
    }
    
    .location-input-group {
        flex: 1;
    }
    
    .location-buttons {
        display: flex;
        gap: 0.75rem;
    }
    
    .hospital-actions {
        display: flex;
        flex-direction: row;
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    
    .hospital-actions .btn {
        flex: 1;
        min-width: 120px;
    }
}

/* Desktop Styles */
@media (min-width: 992px) {
    .main-content {
        padding-top: calc(var(--mobile-header-height) + 2rem);
        padding-left: 2rem;
        padding-right: 2rem;
    }
    
    .location-controls {
        flex-direction: row;
        align-items: center;
        gap: 1.5rem;
    }
    
    .location-input-group {
        flex: 1;
        max-width: 400px;
    }
    
    .location-buttons {
        display: flex;
        gap: 1rem;
    }
    
    .wait-time-card {
        transition: var(--transition);
    }
    
    .wait-time-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-lg);
    }
    
    .hospital-actions {
        display: flex;
        flex-direction: row;
        gap: 0.75rem;
    }
    
    .hospital-actions .btn {
        flex: none;
        min-width: 140px;
    }
}

/* Large Desktop Styles */
@media (min-width: 1200px) {
    .container-fluid {
        max-width: 1400px;
        margin: 0 auto;
    }
    
    .wait-time-card {
        padding: 1.5rem;
    }
    
    .hospital-name {
        font-size: 1.25rem;
    }
    
    .wait-time-number {
        font-size: 2.5rem;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .form-control,
    .form-select {
        min-height: var(--mobile-touch-target);
    }
    
    .btn:active,
    .nav-link:active {
        transform: scale(0.98);
        transition: var(--transition-fast);
    }
    
    .wait-time-card:active {
        transform: scale(0.99);
        transition: var(--transition-fast);
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .wait-time-card,
    .stat-card,
    .modal-content {
        border: 0.5px solid rgba(0, 0, 0, 0.1);
    }
}

/* Landscape Mobile */
@media (max-width: 767.98px) and (orientation: landscape) {
    .navbar {
        min-height: 50px;
    }
    
    .main-content {
        padding-top: calc(50px + 0.5rem);
    }
    
    .location-controls {
        flex-direction: row;
        gap: 0.5rem;
    }
    
    .location-buttons {
        flex-direction: row;
        gap: 0.5rem;
    }
    
    .hospital-actions {
        flex-direction: row;
        gap: 0.5rem;
    }
    
    .hospital-actions .btn {
        flex: 1;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .location-controls,
    .hospital-actions,
    .modal,
    .toast-container {
        display: none !important;
    }
    
    .main-content {
        padding: 0 !important;
        padding-top: 0 !important;
    }
    
    .wait-time-card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ddd !important;
        margin-bottom: 1rem;
    }
}