/* E-Book Script - Responsive CSS */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --light-bg: #f8f9fa;
    --dark-text: #2c3e50;
    --border-color: #dee2e6;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--dark-text);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Ana Sayfa - Giriş Formu */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-box {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    animation: fadeIn 0.5s ease-in;
}

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

.auth-box h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 28px;
}

.auth-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 25px;
}

.auth-tab {
    flex: 1;
    padding: 12px;
    text-align: center;
    cursor: pointer;
    background: none;
    border: none;
    color: #666;
    font-size: 16px;
    transition: all 0.3s;
}

.auth-tab.active {
    color: var(--secondary-color);
    border-bottom: 2px solid var(--secondary-color);
    font-weight: bold;
}

.auth-tab-content {
    display: none;
}

.auth-tab-content.active {
    display: block;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark-text);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-block;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background: var(--secondary-color);
    color: white;
    width: 100%;
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

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

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

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

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Header */
.header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 15px 0;
    margin-bottom: 30px;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    color: var(--primary-color);
    font-size: 24px;
}

.header-nav {
    display: flex;
    gap: 15px;
    align-items: center;
}

.header-nav a {
    color: var(--dark-text);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 5px;
    transition: background 0.3s;
}

.header-nav a:hover {
    background: var(--light-bg);
}

/* Hamburger Menu Button - Sadece Mobilde Görünür */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Dashboard Cards */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.dashboard-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.dashboard-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 18px;
}

.dashboard-card .number {
    font-size: 36px;
    font-weight: bold;
    color: var(--secondary-color);
}

/* Table */
.table-container {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

table th {
    background: var(--light-bg);
    font-weight: 600;
    color: var(--primary-color);
}

table tr:hover {
    background: #f8f9fa;
}

/* Form Pages */
.form-page {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    max-width: 800px;
    margin: 0 auto;
}

.form-page h2 {
    color: var(--primary-color);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

/* Video Player */
.video-player-container {
    background: #000;
    border-radius: 10px;
    overflow: hidden;
    margin: 20px 0;
}

.video-player-container video {
    width: 100%;
    height: auto;
    display: block;
}

/* E-Book Viewer */
.ebook-viewer {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.ebook-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--light-bg);
    border-radius: 8px;
}

.ebook-page {
    text-align: center;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.ebook-page canvas,
.ebook-page iframe {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.ebook-page-content {
    padding: 40px;
    font-size: 18px;
    line-height: 1.8;
    color: var(--dark-text);
    max-width: 800px;
    margin: 0 auto;
}

/* Support Requests */
.support-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 20px;
}

.support-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.support-tab {
    padding: 12px 20px;
    background: none;
    border: none;
    cursor: pointer;
    color: #666;
    font-size: 16px;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
    text-decoration: none;
}

.support-tab.active {
    color: var(--secondary-color);
    border-bottom-color: var(--secondary-color);
    font-weight: bold;
}

.support-request {
    background: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.support-messages {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.support-message {
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
}

.support-message.admin {
    background: #e3f2fd;
    margin-left: 40px;
}

.support-message.customer {
    background: #f5f5f5;
    margin-right: 40px;
}

.support-message .message-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-weight: bold;
    color: var(--primary-color);
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.product-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-card-body {
    padding: 20px;
}

.product-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.product-card p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

/* Demo Mode Badge */
.demo-badge {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--warning-color);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: bold;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* Responsive */
@media (max-width: 768px) {
    .auth-box {
        padding: 25px;
    }
    
    .header .container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        position: relative;
    }
    
    .header h1 {
        font-size: 20px;
        margin: 0;
    }
    
    /* Hamburger Butonu Mobilde Görünür */
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Navbar Mobilde Gizli, JavaScript ile Açılır */
    .header-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        border-radius: 0 0 10px 10px;
        padding: 10px 0;
        z-index: 1000;
        margin-top: 10px;
    }
    
    .header-nav.active {
        display: flex;
    }
    
    .header-nav a {
        padding: 12px 20px;
        border-bottom: 1px solid var(--border-color);
        width: 100%;
        text-align: left;
    }
    
    .header-nav a:last-child {
        border-bottom: none;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .ebook-controls {
        flex-direction: column;
        gap: 10px;
    }
    
    .ebook-page {
        min-height: 400px;
    }
    
    .support-message.admin {
        margin-left: 0;
    }
    
    .support-message.customer {
        margin-right: 0;
    }
    
    /* Support Sayfası Mobil Uyumluluk */
    .support-container {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .support-list-container {
        order: 1;
    }
    
    .support-messages-container {
        order: 2;
    }
    
    .support-messages-container.mobile-hidden {
        display: none;
    }
    
    .support-list-container.mobile-hidden {
        display: none;
    }
    
    /* Mobilde başlangıçta mesajlar görünür olsun (eğer request varsa) */
    .support-messages-container.mobile-start-visible {
        display: block;
    }
    
    .support-list-container.mobile-start-visible {
        display: none;
    }
    
    .support-tabs {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .support-tab {
        padding: 10px 15px;
        font-size: 14px;
        flex: 1;
        min-width: 80px;
        text-align: center;
    }
    
    .support-request {
        padding: 15px;
        font-size: 14px;
    }
    
    .support-message {
        padding: 12px;
        font-size: 14px;
    }
    
    .message-header {
        flex-direction: column;
        gap: 5px;
        font-size: 12px;
    }
    
    .message-header span {
        display: block;
    }
    
    .mobile-back-btn {
        display: block !important;
    }
    
    @media (min-width: 769px) {
        .support-container {
            grid-template-columns: 300px 1fr;
        }
        
        .support-messages-container.mobile-hidden,
        .support-messages-container.mobile-start-visible {
            display: block !important;
        }
        
        .support-list-container.mobile-hidden,
        .support-list-container.mobile-start-visible {
            display: block !important;
        }
        
        .mobile-back-btn {
            display: none !important;
        }
    }
    
    .form-page {
        padding: 20px;
    }
    
    table {
        font-size: 14px;
    }
    
    table th,
    table td {
        padding: 8px;
    }
}

@media (max-width: 480px) {
    .auth-box {
        padding: 20px;
    }
    
    .auth-box h1 {
        font-size: 24px;
    }
    
    .demo-badge {
        top: 10px;
        right: 10px;
        padding: 8px 15px;
        font-size: 12px;
    }
}

/* Loading Spinner */
.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--secondary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* PDF Viewer Container */
.pdf-viewer-container {
    position: relative;
    width: 100%;
    min-height: 600px;
    background: #525252;
    border-radius: 8px;
    overflow: hidden;
}

/* Copy Protection */
.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

/* Rich Text Editor */
.rich-editor {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    min-height: 400px;
    padding: 15px;
}

.rich-editor-toolbar {
    border-bottom: 1px solid var(--border-color);
    padding: 10px;
    background: var(--light-bg);
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.rich-editor-toolbar button {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.rich-editor-toolbar button:hover {
    background: var(--light-bg);
}

.rich-editor-content {
    padding: 15px;
    min-height: 350px;
    outline: none;
}