/**
 * Fikri Mülkiyet Sempozyumu - Ana Stil Dosyası
 * assets/css/style.css
 */

/* Reset ve Temel Stiller */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #2c3e50;
    text-decoration: none;
    transition: font-size 0.3s ease;
}

/* Başlık responsive ayarları */
.title-short {
    display: none !important;
}

.title-full {
    display: inline !important;
}

/* Mobil cihazlarda başlık boyutunu küçült ve kısa versiyonu göster */
@media (max-width: 768px) {
    .logo {
        font-size: 18px !important;
        line-height: 1.2 !important;
        text-align: center !important;
    }
    
    .title-full {
        display: none !important;
    }
    
    .title-short {
        display: inline !important;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 16px !important;
        line-height: 1.1 !important;
    }
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: #2c3e50;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #3498db;
}

/* Ana İçerik */
.main-content {
    padding: 40px 0;
}

/* Form Container */
.form-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    margin: 20px auto;
    max-width: 800px;
}

.form-title {
    text-align: center;
    font-size: 28px;
    color: #2c3e50;
    margin-bottom: 30px;
    font-weight: 600;
}

.form-subtitle {
    text-align: center;
    color: #7f8c8d;
    margin-bottom: 40px;
    font-size: 16px;
}

/* Form Grupları */
.form-group {
    margin-bottom: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
    font-size: 14px;
}

.required {
    color: #e74c3c;
}

/* Form Inputları */
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e6ed;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #fff;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    transform: translateY(-2px);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-textarea.large {
    min-height: 200px;
}

/* Placeholder Stili */
.form-input::placeholder,
.form-textarea::placeholder {
    color: #95a5a6;
    font-style: italic;
}

/* Checkbox ve Radio */
.checkbox-group,
.radio-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 10px;
}

.checkbox-input,
.radio-input {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: #3498db;
}

.checkbox-label,
.radio-label {
    font-size: 14px;
    line-height: 1.5;
    cursor: pointer;
}

/* Butonlar */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

.btn-secondary {
    background: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background: #7f8c8d;
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.4);
}

.btn-full-width {
    width: 100%;
}

/* Flash Mesajları */
.flash-messages {
    margin-bottom: 30px;
}

.flash-message {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

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

.flash-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

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

/* Admin Panel Stilleri */
.admin-header {
    background: #2c3e50;
    color: white;
    padding: 20px 0;
}

.admin-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-title {
    font-size: 24px;
    font-weight: 600;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logout-btn {
    background: #e74c3c;
    color: white;
    padding: 8px 16px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 14px;
    transition: background 0.3s;
}

.logout-btn:hover {
    background: #c0392b;
}

/* Tablo Stilleri */
.table-container {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin: 30px 0;
}

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

.table th,
.table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e0e6ed;
}

.table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tr:hover {
    background: #f8f9fa;
}

/* Durum Badge'leri */
.status-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-beklemede {
    background: #fff3cd;
    color: #856404;
}

.status-onaylandi {
    background: #d4edda;
    color: #155724;
}

.status-reddedildi {
    background: #f8d7da;
    color: #721c24;
}

/* Aksiyon Butonları */
.action-buttons {
    display: flex;
    gap: 8px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 6px;
}

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

.login-form {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.login-title {
    text-align: center;
    font-size: 24px;
    color: #2c3e50;
    margin-bottom: 30px;
    font-weight: 600;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 30px 0;
}

.pagination a,
.pagination span {
    display: inline-block;
    padding: 10px 15px;
    background: white;
    border: 1px solid #e0e6ed;
    border-radius: 8px;
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: all 0.3s;
}

.pagination a:hover {
    background: #3498db;
    color: white;
    transform: translateY(-2px);
}

.pagination .current {
    background: #3498db;
    color: white;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e0e6ed;
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
    color: #2c3e50;
}

.close {
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover {
    color: #e74c3c;
}

/* Loading Spinner */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .form-container {
        padding: 25px;
        margin: 10px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links {
        gap: 20px;
    }
    
    .table-container {
        overflow-x: auto;
    }
    
    .table {
        min-width: 600px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
        padding: 20px;
    }
    
    .admin-nav {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .form-container {
        padding: 20px;
    }
    
    .form-title {
        font-size: 24px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .login-form {
        padding: 30px 20px;
    }
}

/* Print Stilleri */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .header,
    .nav-links,
    .btn,
    .action-buttons {
        display: none;
    }
    
    .form-container,
    .table-container {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus Styles */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: 2px solid #3498db;
    outline-offset: 2px;
}

/* Smooth Transitions */
* {
    transition: all 0.3s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}