/* ============================================
   KODEND ÖZELLİK TALEP FORMU - STYLES
   ============================================ */

/* CSS Variables */
:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --secondary: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --border-color: #334155;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-hover: linear-gradient(135deg, var(--primary-dark) 0%, #7c3aed 100%);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --transition: all 0.3s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    width: 45px;
    height: 45px;
    background: var(--gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
}

.brand-text h1 {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.2;
}

.brand-text p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.nav-links {
    display: flex;
    gap: 0.5rem;
}

.nav-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.nav-btn:hover,
.nav-btn.active {
    color: var(--text-primary);
    background: var(--bg-card);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--text-primary);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
    padding: 0.5rem;
    z-index: 1000;
    justify-content: space-around;
}

.mobile-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.625rem;
    transition: var(--transition);
}

.mobile-nav-btn i {
    font-size: 1.25rem;
}

.mobile-nav-btn.active {
    color: var(--primary);
}

/* ============================================
   MAIN CONTENT & PAGES
   ============================================ */
.main-content {
    min-height: calc(100vh - 70px);
}

.page {
    display: none;
    animation: fadeIn 0.3s ease;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    padding: 5rem 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    background: var(--gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.4);
}

.btn-outline {
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
}

.btn-full {
    width: 100%;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.btn-back:hover {
    color: var(--text-primary);
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats-section {
    padding: 3rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-icon.blue { background: rgba(59, 130, 246, 0.2); color: var(--primary); }
.stat-icon.green { background: rgba(16, 185, 129, 0.2); color: var(--success); }
.stat-icon.yellow { background: rgba(245, 158, 11, 0.2); color: var(--warning); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.2); color: var(--secondary); }
.stat-icon.gray { background: rgba(100, 116, 139, 0.2); color: var(--text-muted); }
.stat-icon.red { background: rgba(239, 68, 68, 0.2); color: var(--danger); }

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.page-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.page-header h2 i {
    color: var(--primary);
}

.page-header p {
    color: var(--text-secondary);
}

/* ============================================
   FORMS
   ============================================ */
.form-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
}

.form-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-section h3 i {
    color: var(--primary);
}

.form-hint {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.required {
    color: var(--danger);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.input-icon {
    position: relative;
}

.input-icon i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.input-icon input {
    padding-left: 2.5rem;
    width: 100%;
}

.toggle-password {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
}

.toggle-password:hover {
    color: var(--text-primary);
}

.error-message {
    color: var(--danger);
    font-size: 0.75rem;
    display: none;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--danger);
}

.form-group.error .error-message {
    display: block;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* ============================================
   FILTER BAR
   ============================================ */
.filter-bar,
.admin-filter-bar {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
}

.filter-btn,
.admin-filter-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.filter-btn:hover,
.admin-filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.filter-btn.active,
.admin-filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* ============================================
   REQUESTS LIST
   ============================================ */
.requests-list,
.admin-requests-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.request-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.request-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.request-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.request-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.badge-blue { background: rgba(59, 130, 246, 0.2); color: #60a5fa; }
.badge-red { background: rgba(239, 68, 68, 0.2); color: #f87171; }
.badge-green { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.badge-purple { background: rgba(139, 92, 246, 0.2); color: #a78bfa; }
.badge-gray { background: rgba(100, 116, 139, 0.2); color: #94a3b8; }
.badge-orange { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }

.request-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.request-meta {
    display: flex;
    gap: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.request-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* ============================================
   ADMIN LOGIN
   ============================================ */
.admin-login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 70px);
    padding: 2rem;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 3rem;
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.login-card h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.login-card > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.login-form {
    text-align: left;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-info {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.login-info p {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.login-info code {
    background: var(--bg-dark);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: monospace;
}

/* ============================================
   ADMIN DASHBOARD
   ============================================ */
.admin-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
    margin-bottom: 2rem;
}

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

.admin-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-brand i {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.admin-brand h2 {
    font-size: 1.25rem;
    font-weight: 700;
}

.admin-brand p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.admin-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
    text-align: center;
}

.admin-stat-card p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.admin-stat-card h4 {
    font-size: 1.5rem;
    font-weight: 700;
}

.admin-requests-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.admin-requests-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-request-card {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.admin-request-card:last-child {
    border-bottom: none;
}

.admin-request-card:hover {
    background: var(--bg-dark);
}

.admin-request-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.admin-request-title {
    font-weight: 600;
}

.admin-request-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 700px;
    max-height: 90vh;
    overflow: hidden;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: calc(90vh - 80px);
}

/* Modal Content Styles */
.modal-section {
    margin-bottom: 1.5rem;
}

.modal-section:last-child {
    margin-bottom: 0;
}

.modal-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.customer-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    background: var(--bg-dark);
    padding: 1rem;
    border-radius: var(--radius);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.info-item i {
    color: var(--text-muted);
    width: 16px;
}

.info-item .label {
    color: var(--text-secondary);
}

.info-item .value {
    color: var(--text-primary);
}

.info-item a {
    color: var(--primary);
}

.info-item a:hover {
    text-decoration: underline;
}

.status-update {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.status-update select {
    flex: 1;
    padding: 0.5rem 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
}

.response-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

.response-item {
    background: var(--bg-dark);
    padding: 1rem;
    border-radius: var(--radius);
}

.response-item p {
    margin-bottom: 0.5rem;
    white-space: pre-wrap;
}

.response-item .meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.response-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.response-form textarea {
    padding: 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    resize: vertical;
    min-height: 100px;
}

.response-form textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    animation: toastIn 0.3s ease;
    box-shadow: var(--shadow-lg);
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--info); }

.toast i {
    font-size: 1.25rem;
}

.toast.success i { color: var(--success); }
.toast.error i { color: var(--danger); }
.toast.info i { color: var(--info); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .main-content {
        padding-bottom: 80px;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .customer-info-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-bar,
    .admin-filter-bar {
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    
    .modal {
        padding: 1rem;
    }
    
    .modal-content {
        max-height: 95vh;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-section {
        padding: 1.5rem;
    }
    
    .login-card {
        padding: 2rem 1.5rem;
    }
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}