/* ===============================================
   RESPONSIVE.CSS - KORRIGIERTE VERSION MIT TAB-FIXES
   =============================================== */

/* SynChroniq Professional - Responsive Design */

/* Breakpoints */
/* xs: 0px - 575px */
/* sm: 576px - 767px */
/* md: 768px - 991px */
/* lg: 992px - 1199px */
/* xl: 1200px - 1399px */
/* xxl: 1400px+ */

/* Large Devices (Desktops, 1200px and up) */
@media (max-width: 1399px) {
    .dashboard-content {
        max-width: 1200px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

/* Medium Devices (Tablets, 992px and down) */
@media (max-width: 1199px) {
    .dashboard-content {
        padding: var(--spacing-lg);
        max-width: 100%;
    }
    
    .timetracking-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .header-content {
        padding: 0 var(--spacing-lg);
    }
    
    .dashboard-nav {
        padding: var(--spacing-md) var(--spacing-lg);
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .dashboard-nav::-webkit-scrollbar {
        display: none;
    }
    
    .nav-btn {
        flex-shrink: 0;
    }
    
    /* KORREKTUR: Login-Card Breite für Tablets reduzieren */
    .login-card {
        max-width: 90% !important;
    }
}

/* Small Devices (Landscape tablets, 768px and down) */
@media (max-width: 991px) {
    .screen-content {
        max-width: 100%;
        padding: var(--spacing-lg) 0;
    }
    
    .screen {
        padding: var(--spacing-lg);
    }
    
    .card {
        padding: var(--spacing-lg);
    }
    
    .dashboard {
        grid-template-rows: auto auto 1fr;
    }
    
    .dashboard-header {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .header-left,
    .header-center,
    .header-right {
        justify-content: center;
        flex: none;
    }
    
    .header-right {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: var(--spacing-md);
    }
    
    .stat-card {
        padding: var(--spacing-lg);
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-lg);
    }
    
    .time-controls {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .time-btn {
        padding: var(--spacing-md);
        font-size: var(--font-base);
    }
    
    .modal-content {
        width: 95%;
        margin: var(--spacing-md);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-lg);
    }
    
    .notification-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
        max-width: none;
    }
    
    .table-container {
        overflow-x: auto;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .dropdown-menu {
        position: fixed;
        left: var(--spacing-md);
        right: var(--spacing-md);
        width: auto;
    }
    
    /* KORREKTUR: Login-Card weitere Reduzierung für kleinere Tablets */
    .login-card {
        max-width: 95% !important;
    }
}

/* Tablets in portrait mode */
@media (max-width: 767px) {
    /* KORREKTUR: Tabs Layout für mobile Geräte komplett überarbeitet */
    .tabs {
        flex-direction: column;
        border-bottom: none;
        gap: var(--spacing-xs);
    }
    
    .tab-btn {
        flex: none !important;
        border-radius: var(--radius-sm) !important;
        margin: 0 !important;
        margin-bottom: var(--spacing-xs) !important;
        background: #f8f9fa !important;
        min-width: auto !important;
        width: 100% !important;
        justify-content: flex-start !important;
    }
    
    .tab-btn.active {
        margin-bottom: var(--spacing-xs) !important;
    }
    
    .tab-btn.active::after {
        display: none;
    }
    
    .tab-container {
        margin-top: var(--spacing-lg);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .btn {
        padding: var(--spacing-md);
        min-width: 100px;
    }
    
    .time-counter {
        font-size: 1.5rem;
        padding: var(--spacing-md);
    }
    
    .dashboard-card {
        padding: var(--spacing-md);
    }
    
    .modal-content {
        border-radius: 0;
        width: 100%;
        height: 100%;
        max-height: 100vh;
    }
    
    .accordion-header,
    .accordion-content {
        padding: var(--spacing-md);
    }
    
    .table th,
    .table td {
        padding: var(--spacing-sm);
        font-size: var(--font-sm);
    }
    
    /* KORREKTUR: Login-Card auf volle Breite für mobile */
    .login-card {
        max-width: 100% !important;
        margin: 0 !important;
        border-radius: 0 !important;
    }
    
    /* KORREKTUR: Screen Padding reduzieren */
    .screen {
        padding: var(--spacing-sm) !important;
    }
}

/* Mobile Devices (576px and down) */
@media (max-width: 575px) {
    .screen {
        padding: var(--spacing-md);
    }
    
    .logo-container {
        margin-bottom: var(--spacing-lg);
    }
    
    .app-title {
        font-size: var(--font-xl);
    }
    
    .app-subtitle {
        font-size: var(--font-sm);
        letter-spacing: 0.5px;
    }
    
    .logo {
        width: 50px;
        height: 50px;
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    .tab-content {
        padding: var(--spacing-md);
    }
    
    /* KORREKTUR: Navigation für mobile optimiert */
    .nav-btn {
        min-width: 70px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .nav-btn span {
        display: none;
    }
    
    .stats-grid {
        gap: var(--spacing-xs);
    }
    
    .stat-card {
        padding: var(--spacing-sm);
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: var(--font-base);
    }
    
    .stat-value {
        font-size: var(--font-xl);
    }
    
    .time-counter {
        font-size: 1.5rem;
    }
    
    .current-time {
        font-size: var(--font-sm);
        padding: var(--spacing-xs);
        min-width: 80px;
    }
    
    .header-content {
        gap: var(--spacing-sm);
    }
    
    .header-left h2 {
        font-size: var(--font-base);
    }
    
    .section-header h3 {
        font-size: var(--font-lg);
    }
    
    .dashboard-content {
        padding: var(--spacing-sm);
    }
    
    .notification-container {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        top: var(--spacing-sm);
    }
    
    .notification {
        padding: var(--spacing-md);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-md);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-sm);
        min-width: 80px;
    }
    
    .time-btn {
        min-height: 60px;
        padding: var(--spacing-sm);
    }
    
    .form-group {
        gap: var(--spacing-xs);
    }
    
    .pagination-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 35px;
    }
    
    .dropdown-btn {
        padding: var(--spacing-sm);
    }
    
    .tooltip-content {
        position: fixed;
        bottom: var(--spacing-sm);
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        transform: none;
        width: auto;
    }
    
    /* KORREKTUR: Tab-Text noch kleiner für sehr kleine Bildschirme */
    .tab-btn {
        font-size: var(--font-xs) !important;
        padding: var(--spacing-sm) var(--spacing-md) !important;
    }
    
    /* KORREKTUR: Logout-Button für mobile optimiert */
    .logout-btn {
        width: 35px !important;
        height: 35px !important;
        font-size: var(--font-sm) !important;
    }
}

/* Landscape Orientation for Mobile Devices */
@media (max-height: 500px) and (orientation: landscape) {
    .screen-content {
        padding: var(--spacing-md) 0;
    }
    
    .logo-container {
        margin-bottom: var(--spacing-md);
    }
    
    .logo {
        width: 40px;
        height: 40px;
    }
    
    .app-title {
        font-size: var(--font-xl);
    }
    
    .app-subtitle {
        font-size: var(--font-sm);
    }
    
    .dashboard-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .header-content {
        flex-direction: row;
        gap: var(--spacing-md);
    }
    
    .header-center {
        flex: none;
    }
    
    .dashboard-nav {
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .nav-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-xs);
        flex-direction: row;
        gap: var(--spacing-xs);
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-sm);
    }
    
    .stat-card {
        padding: var(--spacing-sm);
        min-height: 80px;
    }
    
    .modal-content {
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .dashboard-content {
        padding: var(--spacing-sm);
    }
    
    /* KORREKTUR: Tabs für Landscape-Mode optimiert */
    .tabs {
        flex-direction: row !important;
        overflow-x: auto;
        gap: var(--spacing-xs);
    }
    
    .tab-btn {
        flex: none !important;
        min-width: 120px !important;
        white-space: nowrap;
    }
}

/* Container queries support (future enhancement) */
@supports (container-type: inline-size) {
    .tabs {
        container-type: inline-size;
    }
    
    @container (max-width: 600px) {
        .tab-btn {
            flex-direction: column !important;
            gap: var(--spacing-xs) !important;
            font-size: var(--font-xs) !important;
        }
    }
}

/* Custom scrollbars for better UX */
@media (min-width: 768px) {
    .dashboard-nav::-webkit-scrollbar,
    .dashboard-content::-webkit-scrollbar {
        height: 6px;
        width: 6px;
    }
    
    .dashboard-nav::-webkit-scrollbar-track,
    .dashboard-content::-webkit-scrollbar-track {
        background: rgba(0, 0, 0, 0.1);
        border-radius: 3px;
    }
    
    .dashboard-nav::-webkit-scrollbar-thumb,
    .dashboard-content::-webkit-scrollbar-thumb {
        background: rgba(102, 126, 234, 0.5);
        border-radius: 3px;
    }
    
    .dashboard-nav::-webkit-scrollbar-thumb:hover,
    .dashboard-content::-webkit-scrollbar-thumb:hover {
        background: rgba(102, 126, 234, 0.7);
    }
}

/* Aspect Ratio Support */
@supports (aspect-ratio: 1) {
    .logo {
        aspect-ratio: 1;
        width: auto;
        height: 80px;
    }
    
    .header-logo {
        aspect-ratio: 1;
        width: auto;
        height: 40px;
    }
    
    .stat-icon {
        aspect-ratio: 1;
    }
    
    .color-option {
        aspect-ratio: 1;
        width: 30px;
        height: auto;
    }
}

/* Focus-visible Support */
@supports selector(:focus-visible) {
    .btn:focus {
        outline: none;
    }
    
    .btn:focus-visible {
        outline: 3px solid #667eea;
        outline-offset: 2px;
    }
    
    .nav-btn:focus {
        outline: none;
    }
    
    .nav-btn:focus-visible {
        outline: 3px solid #667eea;
        outline-offset: 2px;
    }
    
    .tab-btn:focus {
        outline: none;
    }
    
    .tab-btn:focus-visible {
        outline: 2px solid #667eea;
        outline-offset: 1px;
    }
}

/* Grid Support Fallback */
@supports not (display: grid) {
    .stats-grid {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }
    
    .stat-card {
        flex: 1 1 250px;
    }
    
    .dashboard-grid {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .timetracking-container {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .form-row {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    .form-row .form-group {
        flex: 1 1 150px;
    }
}

/* CSS Custom Properties Support Fallback */
@supports not (color: var(--primary-color)) {
    body {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #667eea 100%);
        color: #2c3e50;
    }
    
    .card {
        background: #ffffff;
        box-shadow: 0 8px 32px rgba(102, 126, 234, 0.15);
    }
    
    .btn-primary {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: #ffffff;
    }
    
    .text-primary {
        color: #2c3e50;
    }
    
    .text-secondary {
        color: #7f8c8d;
    }
    
    .text-light {
        color: #ffffff;
    }
    
    .text-muted {
        color: #95a5a6;
    }
}

/* Dark mode support (future enhancement) */
@media (prefers-color-scheme: dark) {
    .card,
    .dashboard-header,
    .dashboard-nav,
    .modal-content,
    .notification,
    .table-container,
    .dropdown-menu,
    .accordion {
        background: rgba(52, 73, 94, 0.95);
        border-color: #556983;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card,
    .btn,
    .form-group input,
    .form-group select,
    .form-group textarea {
        border: 2px solid #000000;
    }
    
    .tab-btn.active,
    .nav-btn.active {
        background: #000000;
        color: #ffffff;
    }
    
    .stat-icon {
        background: #000000 !important;
        color: #ffffff;
    }
    
    .logout-btn {
        background: #000000 !important;
        border: 2px solid #ffffff !important;
    }
}

/* Touch Device Optimizations */
@media (pointer: coarse) {
    .btn,
    .nav-btn,
    .tab-btn,
    .action-btn,
    .pagination-btn {
        min-height: 44px;
        min-width: 44px;
        padding: var(--spacing-md);
    }
    
    .logout-btn {
        min-height: 44px !important;
        min-width: 44px !important;
    }
    
    .tab-btn {
        min-height: 48px;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    /* KORREKTUR: Touch-freundliche Tab-Größen */
    @media (max-width: 767px) {
        .tab-btn {
            min-height: 50px !important;
            padding: var(--spacing-lg) var(--spacing-xl) !important;
            font-size: var(--font-base) !important;
        }
    }
}

/* Reduced motion support */
@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;
    }
    
    .shine,
    .spinner,
    .stat-icon::before {
        animation: none;
    }
    
    .btn:hover,
    .nav-btn:hover,
    .tab-btn:hover,
    .card:hover {
        transform: none !important;
    }
}

/* Print styles */
@media print {
    .screen {
        position: static;
        box-shadow: none;
        background: white;
        color: black;
    }
    
    .dashboard-header,
    .dashboard-nav,
    .notification-container,
    .modal,
    .loading-screen,
    .logout-btn {
        display: none !important;
    }
    
    .card,
    .stat-card,
    .dashboard-card {
        box-shadow: none;
        border: 1px solid #ddd;
        background: white;
        color: black;
        break-inside: avoid;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .btn {
        border: 1px solid #000;
        background: white;
        color: black;
    }
    
    .table {
        border-collapse: collapse;
    }
    
    .table th,
    .table td {
        border: 1px solid #000;
        background: white;
        color: black;
    }
    
    .tabs {
        display: none;
    }
    
    .tab-content.active {
        display: block !important;
    }
    
    .page-break {
        page-break-before: always;
    }
    
    .no-print {
        display: none !important;
    }
}

/* KORREKTUR: Spezielle Media Query für sehr kleine Bildschirme */
@media (max-width: 320px) {
    .login-card {
        padding: var(--spacing-sm) !important;
    }
    
    .tab-btn {
        font-size: 11px !important;
        padding: var(--spacing-sm) !important;
        gap: var(--spacing-xs) !important;
    }
    
    .tab-btn i {
        font-size: 12px !important;
    }
    
    .app-title {
        font-size: var(--font-lg) !important;
    }
    
    .card {
        padding: var(--spacing-sm) !important;
        margin: var(--spacing-xs) !important;
    }
    
    .form-group {
        margin-bottom: var(--spacing-sm) !important;
    }
    
    .btn {
        padding: var(--spacing-sm) !important;
        font-size: var(--font-xs) !important;
        min-width: 60px !important;
    }
}

/* KORREKTUR: Extra Media Query für mittlere Bildschirmgrößen bei Tab-Problemen */
@media (min-width: 576px) and (max-width: 991px) {
    .login-card {
        max-width: 800px !important;
    }
    
    .tabs {
        display: flex !important;
        flex-direction: row !important;
        border-bottom: 2px solid rgba(102, 126, 234, 0.1) !important;
        overflow-x: auto;
        scrollbar-width: thin;
    }
    
    .tab-btn {
        flex: none !important;
        min-width: 160px !important;
        font-size: var(--font-sm) !important;
        white-space: nowrap;
        border-radius: var(--radius-sm) var(--radius-sm) 0 0 !important;
    }
}

/* KORREKTUR: Hover-States für Touch-Geräte deaktivieren */
@media (hover: none) {
    .btn:hover,
    .nav-btn:hover,
    .tab-btn:hover,
    .card:hover,
    .stat-card:hover,
    .logout-btn:hover {
        transform: none !important;
        box-shadow: inherit !important;
        background: inherit !important;
    }
    
    .nav-btn:hover i {
        transform: none !important;
    }
}

/* KORREKTUR: Safe Area Support für iOS Geräte mit Notch */
@supports (padding: max(0px)) {
    .screen {
        padding-left: max(var(--spacing-xl), env(safe-area-inset-left));
        padding-right: max(var(--spacing-xl), env(safe-area-inset-right));
        padding-top: max(var(--spacing-xl), env(safe-area-inset-top));
        padding-bottom: max(var(--spacing-xl), env(safe-area-inset-bottom));
    }
    
    .dashboard-header {
        padding-left: max(var(--spacing-xl), env(safe-area-inset-left));
        padding-right: max(var(--spacing-xl), env(safe-area-inset-right));
        padding-top: max(var(--spacing-md), env(safe-area-inset-top));
    }
    
    .dashboard-nav {
        padding-left: max(var(--spacing-xl), env(safe-area-inset-left));
        padding-right: max(var(--spacing-xl), env(safe-area-inset-right));
    }
    
    @media (max-width: 767px) {
        .screen {
            padding-left: max(var(--spacing-sm), env(safe-area-inset-left));
            padding-right: max(var(--spacing-sm), env(safe-area-inset-right));
        }
    }
}