/**
 * CSS Stylesheet for Car Configurator
 * Responsive design with modern aesthetics
 */

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --text-dark: #333;
    --text-light: #666;
    --bg-light: #f5f5f5;
    --bg-white: #ffffff;
    --border-color: #ddd;
    --success-color: #4caf50;
    --error-color: #f44336;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
}

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

html, body {
    height: 100%;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-dark);
    line-height: 1.6;
}

#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Navigation */
.navbar {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.navbar-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--bg-light);
}

.nav-link.active {
    color: var(--bg-white);
    background: var(--primary-color);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem;
}

/* Configurator Container */
.configurator-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    min-height: 600px;
}

.viewer-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.viewer-canvas {
    width: 100%;
    height: 100%;
    background: var(--bg-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 500px;
    position: relative;
}

.viewer-canvas.placeholder {
    flex-direction: column;
    gap: 1rem;
}

.placeholder {
    text-align: center;
    color: var(--text-light);
}

.placeholder p {
    margin: 0.5rem 0;
    font-size: 1.1rem;
}

.placeholder .text-small {
    font-size: 0.9rem;
    color: #999;
}

/* Control Panel */
.control-panel {
    padding: 2rem;
    background: var(--bg-white);
    overflow-y: auto;
    border-left: 1px solid var(--border-color);
}

.control-panel h2 {
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    font-size: 1.5rem;
}

.control-group {
    margin-bottom: 1.5rem;
}

.control-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.option-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.option-btn {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    background: var(--bg-white);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    text-align: center;
}

.option-btn:hover {
    border-color: var(--primary-color);
    background: #f0f4ff;
    transform: translateY(-2px);
}

.option-btn.active {
    background: var(--primary-color);
    color: var(--bg-white);
    border-color: var(--primary-color);
}

/* Config Summary */
.config-summary {
    background: #f0f4ff;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    border-left: 4px solid var(--primary-color);
}

.config-summary h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.config-items {
    background: var(--bg-white);
    padding: 1rem;
    border-radius: 6px;
}

.config-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.config-item:last-child {
    border-bottom: none;
}

.config-item-label {
    font-weight: 600;
    color: var(--text-dark);
}

.config-item-value {
    color: var(--primary-color);
    font-weight: 700;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: var(--border-color);
    color: var(--text-dark);
}

.btn-secondary:hover {
    background: #ccc;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.action-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Notifications */
.notification {
    position: fixed;
    top: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    background: var(--bg-white);
    border-radius: 6px;
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.notification.success {
    border-left: 4px solid var(--success-color);
    display: block;
}

.notification.error {
    border-left: 4px solid var(--error-color);
    display: block;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Admin Styles */
.admin-container {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
}

.admin-container h2 {
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.admin-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    padding: 1rem;
    border: none;
    background: transparent;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-light);
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

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

.admin-table-wrapper {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.admin-table thead {
    background: var(--bg-light);
}

.admin-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-dark);
    border-bottom: 2px solid var(--border-color);
}

.admin-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.admin-table tr:hover {
    background: #fafafa;
}

.text-center {
    text-align: center;
}

/* Footer */
.footer {
    background: var(--bg-white);
    text-align: center;
    padding: 1.5rem;
    color: var(--text-light);
    border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .configurator-container {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .viewer-section {
        min-height: 400px;
    }

    .control-panel {
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .main-content {
        padding: 1rem;
    }

    .control-panel {
        padding: 1.5rem;
    }

    .option-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .action-buttons {
        grid-template-columns: 1fr;
    }

    .notification {
        right: 1rem;
        left: 1rem;
        width: auto;
    }
}

@media (max-width: 480px) {
    .navbar-brand {
        font-size: 1.2rem;
    }

    .navbar-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .control-panel h2 {
        font-size: 1.2rem;
    }

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

    .admin-table {
        font-size: 0.9rem;
    }

    .admin-table th,
    .admin-table td {
        padding: 0.75rem;
    }
}