/* assets/css/style.css - Full CSS */

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

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --success-color: #27ae60;
    --light-bg: #f8f9fa;
    --text-dark: #333;
    --text-light: #666;
    --border-color: #ddd;
}

html, body {
    height: 100%;
    scroll-behavior: smooth;
}

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

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

/* Header & Navigation */
header {
    background: rgba(255, 255, 255, 0.98);
    padding: 15px 0;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 10px 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo {
    font-size: 28px;
    color: var(--primary-color);
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
}

.logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 25px;
    flex: 1;
    margin-left: 50px;
    align-items: center;
}

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s;
    padding: 8px 12px;
    border-radius: 5px;
}

.nav-links a:hover {
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
}

.auth-buttons {
    display: flex;
    gap: 10px;
    align-items: center;
}

.user-info {
    color: var(--primary-color);
    font-weight: 600;
    margin-right: 10px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    text-decoration: none;
    font-size: 14px;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

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

.btn-danger:hover {
    background: #c0392b;
    transform: translateY(-2px);
}

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

.btn-warning:hover {
    background: #e67e22;
}

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

.btn-success:hover {
    background: #229954;
}

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

.btn-block {
    width: 100%;
}

/* Main Content */
.content {
    background: rgba(255, 255, 255, 0.98);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    margin-bottom: 30px;
    animation: fadeIn 0.5s ease;
}

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

.content h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 32px;
}

.content h3 {
    color: var(--text-dark);
    margin-top: 30px;
    margin-bottom: 20px;
    font-size: 24px;
}

.content h4 {
    color: var(--text-dark);
    font-size: 18px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-radius: 15px;
    margin-bottom: 40px;
}

.hero h2 {
    font-size: 42px;
    margin-bottom: 15px;
}

.hero p {
    font-size: 18px;
    color: var(--text-light);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 14px;
    font-family: inherit;
    transition: 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

/* Auth Forms */
.auth-form-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 500px;
}

.auth-form {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 450px;
    border: 2px solid var(--primary-color);
}

.auth-form h2 {
    text-align: center;
    margin-bottom: 30px;
}

.auth-link {
    text-align: center;
    margin-top: 20px;
    color: var(--text-light);
}

.auth-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* Models Grid */
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.model-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.model-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.4);
}

.model-card h4 {
    color: white;
    margin-bottom: 12px;
    font-size: 20px;
}

.model-card p {
    font-size: 14px;
    margin-bottom: 15px;
    opacity: 0.95;
    flex-grow: 1;
    line-height: 1.6;
}

.category-tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.25);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    margin-bottom: 15px;
    font-weight: 600;
}

.model-actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

.model-actions .btn {
    flex: 1;
    padding: 10px;
    font-size: 13px;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid;
    animation: slideIn 0.3s ease;
}

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

.alert-error {
    background: #fee;
    color: #c33;
    border-left-color: #c33;
}

.alert-success {
    background: #efe;
    color: #3c3;
    border-left-color: #3c3;
}

/* Admin Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.stat-card h3 {
    font-size: 12px;
    opacity: 0.9;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-card .number {
    font-size: 36px;
    font-weight: bold;
}

/* Admin Table */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

.admin-table thead {
    background: var(--primary-color);
    color: white;
}

.admin-table th,
.admin-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.admin-table tbody tr:hover {
    background: var(--light-bg);
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.9);
    color: white;
    text-align: center;
    padding: 30px 20px;
    margin-top: 50px;
}

footer p {
    margin: 0;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-wrapper {
        flex-wrap: wrap;
    }

    .nav-links {
        margin-left: 0;
        flex-basis: 100%;
        gap: 10px;
        justify-content: center;
    }

    .nav-links a {
        font-size: 12px;
        padding: 6px 8px;
    }

    .auth-buttons {
        flex-basis: 100%;
        justify-content: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .models-grid {
        grid-template-columns: 1fr;
    }

    .content {
        padding: 20px;
    }

    .hero h2 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .logo {
        font-size: 22px;
    }
}

@media (max-width: 480px) {
    .content h2 {
        font-size: 24px;
    }

    .auth-form {
        padding: 25px;
    }

    .btn {
        padding: 8px 16px;
        font-size: 13px;
    }
}