/* ========================================
   MOBILE OPTIMIZATION - RESPONSIVE STYLES
   ======================================== */

/* Base Mobile Styles */
@media (max-width: 768px) {

    /* Typography - Yazıların üst üste binmesini önle */
    body {
        font-size: 14px;
        line-height: 1.6;
        overflow-x: hidden;
    }

    h1 {
        font-size: 22px !important;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    h2 {
        font-size: 18px !important;
        word-wrap: break-word;
    }

    h3 {
        font-size: 16px !important;
        word-wrap: break-word;
    }

    p,
    span,
    div {
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    /* Touch-Friendly Buttons */
    button,
    .btn,
    .btn-primary,
    .btn-secondary,
    a.button {
        min-height: 44px;
        min-width: 44px;
        padding: 12px 16px;
        font-size: 14px;
        touch-action: manipulation;
        white-space: normal;
        word-wrap: break-word;
    }

    /* Form Inputs */
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    input[type="tel"],
    textarea,
    select {
        min-height: 44px;
        font-size: 16px;
        padding: 12px 15px;
        width: 100%;
        box-sizing: border-box;
    }

    /* Container Padding */
    .container,
    .checkout-container,
    .assignment-container,
    .bank-transfer-container {
        width: 95% !important;
        padding: 0 10px !important;
        margin: 15px auto !important;
    }

    /* Grid Layouts - Tek sütuna düşür */
    .checkout-grid,
    .assignment-grid,
    .stats-grid,
    .grid-2,
    .grid-3,
    .grid-4,
    .course-grid {
        grid-template-columns: 1fr !important;
        gap: 15px;
    }

    /* Kurs Kartları - Mobil Uyumlu */
    .course-card {
        width: 100% !important;
        margin-bottom: 15px;
        padding: 15px !important;
    }

    .course-card img {
        width: 100%;
        height: auto;
        max-height: 180px;
        object-fit: cover;
    }

    .course-card h3,
    .course-card .card-title {
        font-size: 16px !important;
        line-height: 1.3;
        margin-bottom: 8px;
    }

    .course-card p,
    .course-card .card-body {
        font-size: 13px;
        line-height: 1.5;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
    }

    .course-card .price,
    .course-card .btn {
        font-size: 14px;
    }

    /* Cards */
    .checkout-section,
    .assignment-card,
    .bank-card,
    .stat-card,
    .card {
        padding: 15px;
        margin-bottom: 15px;
    }

    /* Navigation */
    .navbar {
        flex-wrap: wrap;
        padding: 8px 12px;
    }

    /* ===== MOBILE MENU - Sağdan açılan turuncu panel ===== */
    .nav-menu {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 280px;
        background: linear-gradient(180deg, #FF4D00 0%, #E64500 100%);
        z-index: 9999;
        flex-direction: column;
        padding: 70px 0 30px 0;
        gap: 0;
        overflow-y: auto;
        box-shadow: -4px 0 20px rgba(0,0,0,0.3);
        transform: translateX(100%);
        transition: transform 0.3s ease;
        list-style: none;
    }

    .nav-menu.active {
        display: flex;
        transform: translateX(0);
        animation: menuSlideRight 0.3s ease-out forwards;
    }

    @keyframes menuSlideRight {
        from { transform: translateX(100%); }
        to { transform: translateX(0); }
    }

    /* Menü arkası overlay */
    .nav-menu.active::before {
        content: '';
        position: fixed;
        top: 0;
        left: -100vw;
        width: 100vw;
        height: 100vh;
        background: rgba(0,0,0,0.4);
        z-index: -1;
    }

    .nav-menu li {
        list-style: none;
        border-bottom: 1px solid rgba(255,255,255,0.2);
        margin: 0 16px;
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu a,
    .nav-menu .nav-link {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 15px 8px;
        color: white !important;
        font-size: 15px;
        font-weight: 500;
        text-decoration: none;
        border-radius: 0;
        transition: all 0.2s ease;
        border-bottom: none !important;
        background: none !important;
    }

    .nav-menu a:hover,
    .nav-menu .nav-link:hover,
    .nav-menu a:active,
    .nav-menu .nav-link:active {
        background: rgba(255,255,255,0.15) !important;
        color: white !important;
        transform: none;
        padding-left: 14px;
    }

    .nav-menu .nav-link.active {
        background: rgba(255,255,255,0.2) !important;
        color: white !important;
        font-weight: 700;
    }

    .nav-menu .nav-link i,
    .nav-menu a i {
        font-size: 16px;
        width: 22px;
        text-align: center;
        opacity: 0.9;
    }

    /* Dropdown in mobile menu - FULL OVERRIDE of components.css */
    .nav-menu .dropdown .dropdown-toggle .fa-chevron-down,
    .nav-menu .dropdown .dropdown-toggle .fa-chevron-up {
        font-size: 10px;
    }

    .nav-menu .dropdown .dropdown-menu {
        position: static !important;
        display: none !important;
        background: rgba(0,0,0,0.12) !important;
        border: none !important;
        box-shadow: none !important;
        border-radius: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        min-width: 0 !important;
        width: 100% !important;
        left: 0 !important;
        top: auto !important;
        list-style: none !important;
    }

    .nav-menu .dropdown.open .dropdown-menu {
        display: block !important;
    }

    .nav-menu .dropdown .dropdown-menu li {
        border-bottom: none !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .nav-menu .dropdown .dropdown-menu a {
        font-size: 13px !important;
        padding: 11px 20px 11px 48px !important;
        color: rgba(255,255,255,0.9) !important;
        background: none !important;
        display: block !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
    }

    .nav-menu .dropdown .dropdown-menu a:hover {
        color: white !important;
        background: rgba(255,255,255,0.1) !important;
        padding-left: 48px !important;
    }

    /* Login/Register buttons in mobile menu */
    .nav-menu .btn {
        margin: 6px 16px;
        text-align: center;
        justify-content: center;
        font-size: 14px;
        border-radius: 8px;
    }

    .nav-menu .btn-primary {
        background: white !important;
        color: #FF4D00 !important;
        padding: 12px;
        font-weight: 700;
    }

    .nav-menu .btn-secondary {
        background: rgba(255,255,255,0.15) !important;
        color: white !important;
        border: 1px solid rgba(255,255,255,0.4) !important;
        padding: 12px;
    }

    /* Mobile Menu Toggle Button */
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: linear-gradient(135deg, #FF4D00, #FF6B2C);
        border: none;
        border-radius: 10px;
        cursor: pointer;
        color: white;
        font-size: 18px;
        box-shadow: 0 2px 8px rgba(255,77,0,0.3);
        transition: all 0.3s ease;
        z-index: 10000;
        position: relative;
    }

    .mobile-menu-toggle:hover,
    .mobile-menu-toggle:active {
        transform: scale(1.05);
        box-shadow: 0 4px 12px rgba(255,77,0,0.4);
    }

    .mobile-menu-toggle .fa-times {
        font-size: 20px;
    }

    /* Tables - Yatay kaydırma */
    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        font-size: 12px;
    }

    table th,
    table td {
        padding: 8px 10px;
        white-space: nowrap;
    }

    /* Cart Items */
    .cart-item {
        flex-direction: column;
        padding: 15px;
    }

    .cart-item img {
        width: 100%;
        height: 150px;
        object-fit: cover;
        margin-bottom: 10px;
    }

    /* Payment Methods */
    .payment-method {
        padding: 15px;
    }

    .payment-method-label {
        font-size: 14px;
    }

    /* Modal */
    .modal-content {
        width: 95% !important;
        max-width: 95% !important;
        margin: 10px auto;
        padding: 15px;
    }

    /* Dashboard */
    .dashboard-grid {
        grid-template-columns: 1fr !important;
    }

    /* Admin Panel */
    .admin-sidebar {
        width: 100%;
        position: static;
        height: auto;
    }

    .admin-content {
        margin-left: 0;
        padding: 15px;
    }

    /* Curriculum Builder */
    .curriculum-builder {
        padding: 10px;
    }

    .module-item,
    .lesson-item {
        padding: 10px;
        flex-direction: column;
        align-items: flex-start;
    }

    /* Tab Navigation */
    .nav-tabs,
    .tab-container {
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .nav-tabs .nav-link,
    .tab-button {
        font-size: 12px !important;
        padding: 8px 12px !important;
        white-space: nowrap;
    }

    /* Question Manager */
    .question-item {
        padding: 12px;
    }

    /* Certificate */
    .certificate-container {
        padding: 15px;
    }

    /* Footer */
    .footer-grid,
    .footer-content {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
    }

    .footer-section {
        text-align: left;
        padding: 0 5px;
    }

    .footer-section .social-links {
        justify-content: flex-start;
    }

    .footer-bottom .container {
        flex-direction: column !important;
        text-align: center !important;
        gap: 0.6rem !important;
    }

    /* Spacing */
    .section-title {
        font-size: 16px;
        margin-bottom: 12px;
    }

    /* Mobilde dikey olması gereken özel flex sınıfları (agresif inline selector kaldırıldı) */
    .flex-col-mobile,
    .mobile-column {
        flex-direction: column !important;
    }

    /* Sıfır Taşma Koruması (Zero-Overflow & Safe Area) */
    html, body {
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100vw !important;
        box-sizing: border-box !important;
    }
    *, *::before, *::after {
        box-sizing: border-box !important;
    }
    img, video, iframe {
        max-width: 100% !important;
        height: auto;
    }

    /* Hide on Mobile */
    .hide-mobile {
        display: none !important;
    }

    /* Show only on Mobile */
    .show-mobile {
        display: block !important;
    }

    /* Buton grupları - mobilde alt alta */
    .btn-group,
    .button-group,
    .action-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .btn-group .btn,
    .button-group .btn,
    .action-buttons .btn {
        width: 100%;
    }
}

/* Tablet Styles */
@media (min-width: 769px) and (max-width: 1024px) {

    .checkout-grid,
    .assignment-grid {
        grid-template-columns: 1fr 1fr;
    }

    .course-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .container {
        max-width: 95%;
    }
}

/* Touch Optimization */
@media (hover: none) and (pointer: coarse) {

    /* Increase touch targets */
    a,
    button,
    input,
    select,
    textarea {
        min-height: 44px;
        min-width: 44px;
    }

    /* Remove hover effects on touch devices */
    .btn:hover,
    .button:hover,
    a:hover {
        transform: none;
    }

    /* Add active states instead */
    .btn:active,
    .button:active,
    a:active {
        opacity: 0.8;
        transform: scale(0.98);
    }
}

/* Landscape Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .modal-content {
        max-height: 90vh;
        overflow-y: auto;
    }

    .bank-card,
    .success-card,
    .pending-card {
        padding: 20px;
    }
}

/* Small Mobile (< 375px) */
@media (max-width: 374px) {
    body {
        font-size: 13px;
    }

    h1 {
        font-size: 20px !important;
    }

    h2 {
        font-size: 18px !important;
    }

    .btn,
    .btn-primary,
    .btn-secondary {
        font-size: 14px;
        padding: 10px 15px;
    }

    .container {
        padding: 0 10px;
    }
}

/* iOS Specific Fixes */
@supports (-webkit-touch-callout: none) {

    /* Fix iOS input zoom */
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    input[type="tel"],
    textarea,
    select {
        font-size: 16px !important;
    }

    /* Fix iOS button styling */
    button,
    input[type="submit"],
    input[type="button"] {
        -webkit-appearance: none;
        border-radius: 8px;
    }
}

/* Android Specific Fixes */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    select {
        background-image: url("data:image/svg+xml;utf8,<svg fill='black' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
        background-repeat: no-repeat;
        background-position: right 10px center;
        padding-right: 35px;
    }
}

/* Accessibility - High Contrast Mode */
@media (prefers-contrast: high) {

    .btn,
    .btn-primary,
    .btn-secondary {
        border: 2px solid currentColor;
    }

    .card,
    .checkout-section,
    .assignment-card {
        border: 2px solid #2c3e50;
    }
}

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

/* Print Styles */
@media print {

    .navbar,
    .footer,
    .mobile-menu-toggle,
    .btn,
    button {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }

    .container {
        max-width: 100%;
    }
}