/**
 * Responsive Styles
 * 
 * Oluşturulma Tarihi: 2025-11-10 13:40:00 +03
 * Revizyon: 2025-11-10 13:40:00 +03
 * Versiyon: 1.0.0
 * Açıklama: Responsive design breakpoints ve mobile-first yaklaşım
 * Proje: VCSS Application
 * Yazar: LIX-VCSS AI
 */

/* ============================================
   Breakpoints
   ============================================ */
/* Mobile: default (320px+) */
/* Tablet: 640px+ */
/* Desktop: 1024px+ */
/* Large Desktop: 1280px+ */

/* ============================================
   Mobile (< 640px)
   ============================================ */
@media (max-width: 639px) {
    .navbar-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-top: var(--border-width) solid var(--border-color);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        display: none;
        box-shadow: var(--shadow-lg);
    }
    
    .navbar-menu.active {
        display: flex;
    }
    
    .navbar-toggle {
        display: flex;
    }
    
    .navbar-actions {
        margin-left: auto;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .page-header .btn {
        width: 100%;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .table-responsive {
        font-size: var(--font-size-sm);
    }
    
    .table th,
    .table td {
        padding: var(--spacing-sm);
    }
    
    .toast-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
        max-width: none;
    }
    
    .modal {
        margin: var(--spacing-md);
        max-width: none;
    }
    
    .health-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Tablet (640px - 1023px)
   ============================================ */
@media (min-width: 640px) and (max-width: 1023px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .health-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   Desktop (1024px+)
   ============================================ */
@media (min-width: 1024px) {
    .navbar-menu {
        display: flex !important;
    }
    
    .navbar-toggle {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .health-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .navbar,
    .navbar-actions,
    .btn,
    .loading-overlay,
    .toast-container {
        display: none !important;
    }
    
    .main-content {
        padding-top: 0;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #000;
    }
    
    a {
        text-decoration: underline;
    }
    
    .page {
        display: block !important;
    }
}

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

/* ============================================
   High Contrast Mode
   ============================================ */
@media (prefers-contrast: high) {
    :root {
        --border-width: 2px;
        --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.3);
    }
    
    .btn {
        border-width: 2px;
    }
    
    .card {
        border-width: 2px;
    }
}