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

/* Extra Large Devices (Large Desktops, 1200px and up) */
@media (min-width: 1201px) {
    .container {
        max-width: 1200px;
    }
}

/* Large Devices (Desktops, 993px to 1200px) */
@media (min-width: 993px) and (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

/* Medium Devices (Tablets, 769px to 992px) */
@media (min-width: 769px) and (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-image {
        order: -1;
        height: 400px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav-menu {
        display: none;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
}

/* Small Devices (Tablets, 577px to 768px) */
@media (min-width: 577px) and (max-width: 768px) {
    .container {
        max-width: 540px;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .step-item {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .step-line {
        margin: var(--spacing-md) auto;
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Extra Small Devices (Mobile, up to 576px) */
@media (max-width: 576px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Header */
    .navbar {
        padding: var(--spacing-xs) 0;
    }
    
    .logo {
        font-size: var(--font-size-lg);
    }
    
    .logo svg {
        width: 30px;
        height: 30px;
    }
    
    .nav-actions {
        gap: var(--spacing-xs);
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 0.5rem 0.75rem;
        font-size: var(--font-size-sm);
    }
    
    /* Hero */
    .hero {
        padding: 5rem 0 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-sm);
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .btn-large {
        padding: 0.75rem 1.5rem;
        font-size: var(--font-size-base);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .hero-image {
        height: 300px;
    }
    
    .floating-card {
        padding: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
    
    .card-icon {
        font-size: 1.5rem;
    }
    
    /* Sections */
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-base);
    }
    
    .features-grid,
    .action-grid,
    .trust-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .feature-card,
    .action-card,
    .trust-item {
        padding: var(--spacing-md);
    }
    
    /* Steps */
    .step-item {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .step-number {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
        margin: 0 auto;
    }
    
    .step-line {
        width: 2px;
        height: 40px;
        margin: var(--spacing-sm) auto;
    }
    
    .step-title {
        font-size: var(--font-size-lg);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    /* Dashboard */
    .top-bar {
        padding: var(--spacing-sm);
    }
    
    .search-bar {
        display: none;
    }
    
    .content-area {
        padding: var(--spacing-sm);
    }
    
    .page-header h1 {
        font-size: var(--font-size-2xl);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
    }
    
    .stat-value {
        font-size: var(--font-size-2xl);
    }
    
    /* Chat */
    .chat-container {
        height: calc(100vh - 180px);
    }
    
    .chat-message {
        max-width: 90%;
    }
    
    .question-buttons {
        flex-direction: column;
    }
    
    .answer-btn {
        width: 100%;
    }
    
    .diagnosis-actions {
        flex-direction: column;
    }
    
    .chat-input-area {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    
    /* Doctors & Nurses */
    .doctors-filters {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .filter-select {
        min-width: 100%;
    }
    
    .doctors-grid,
    .nurses-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .doctor-photo,
    .nurse-photo {
        height: 180px;
    }
    
    .doctor-info,
    .nurse-info {
        padding: var(--spacing-md);
    }
}

/* Landscape Mobile (up to 576px height) */
@media (max-height: 576px) and (orientation: landscape) {
    .hero {
        padding: 3rem 0 2rem;
    }
    
    .hero-image {
        display: none;
    }
    
    .chat-container {
        height: calc(100vh - 120px);
    }
}

/* Print Styles */
@media print {
    .header,
    .sidebar,
    .top-bar,
    .nav-actions,
    .mobile-menu-btn,
    .btn-primary,
    .btn-secondary,
    .btn-outline,
    .floating-card {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .page {
        page-break-inside: avoid;
    }
    
    body {
        background: white;
    }
}

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

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary: #0000FF;
        --secondary: #00FFFF;
        --dark: #000000;
        --white: #FFFFFF;
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-outline {
        border-width: 3px;
    }
}

/* Dark Mode Support (Future) */
@media (prefers-color-scheme: dark) {
    /* Will be implemented in future updates */
}