/* assets/css/style.css - Main stylesheet */

/* ====== Base Styles ====== */
:root {
    /* Color palette */
    --primary: #4361ee;
    --primary-hover: #3a56d4;
    --secondary: #2b2d42;
    --tertiary: #8d99ae;
    --light: #edf2f4;
    --dark: #2b2d42;
    --success: #06d6a0;
    --warning: #ffd166;
    --danger: #ef476f;
    --gray-light: #f8f9fa;
    --gray: #dee2e6;
    --gray-dark: #6c757d;
    
    /* Typography */
    --font-main: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2.5rem;
    
    /* Borders */
    --border-radius: 4px;
    --border-radius-lg: 8px;
    
    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

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

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--gray-light);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-hover);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ====== Utility Classes ====== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.btn {
    display: inline-block;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    padding: 0.5rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    text-decoration: none;
    border: none;
}

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

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

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

.btn-secondary:hover {
    background-color: var(--dark);
    color: white;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

.alert {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
}

.alert-success {
    background-color: rgba(6, 214, 160, 0.1);
    border: 1px solid var(--success);
    color: #056b50;
}

.alert-danger {
    background-color: rgba(239, 71, 111, 0.1);
    border: 1px solid var(--danger);
    color: #9e2e49;
}

.alert-warning {
    background-color: rgba(255, 209, 102, 0.1);
    border: 1px solid var(--warning);
    color: #8a6f32;
}

.status-badge {
    display: inline-block;
    padding: 0.25em 0.6em;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 10rem;
    text-transform: uppercase;
}

.status-verified {
    background-color: rgba(6, 214, 160, 0.1);
    color: #056b50;
}

.status-pending {
    background-color: rgba(255, 209, 102, 0.1);
    color: #8a6f32;
}

.status-failed {
    background-color: rgba(239, 71, 111, 0.1);
    color: #9e2e49;
}

/* ====== Header Styles ====== */
.site-header {
    background-color: white;
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo a {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.main-nav ul {
    display: flex;
    align-items: center;
}

.main-nav li {
    margin-left: var(--spacing-lg);
}

.main-nav a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: var(--primary);
}

.btn-nav {
    background-color: var(--primary);
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
}

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

/* ====== Footer Styles ====== */
.site-footer {
    background-color: var(--secondary);
    color: var(--light);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.footer-section {
    flex: 1;
    min-width: 250px;
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-icons a {
    color: var(--gray);
    font-size: 1.25rem;
    transition: color 0.3s ease;
}

.social-icons a:hover {
    color: white;
}

.copyright {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
    font-size: 0.875rem;
}

/* ====== Landing Page Styles ====== */
.landing-page {
    padding-bottom: var(--spacing-xl);
}

.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #7209b7 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
}

.hero h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 400;
    opacity: 0.9;
}

.tagline {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.features {
    padding: var(--spacing-xl) 0;
}

.features h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.how-it-works {
    padding: var(--spacing-xl) 0;
    background-color: var(--gray-light);
}

.how-it-works h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.workflow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.step {
    text-align: center;
    padding: var(--spacing-lg);
}

.step-number {
    background-color: var(--primary);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 1.25rem;
    font-weight: 700;
}

.cta {
    background-color: var(--primary);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta h2 {
    margin-bottom: var(--spacing-sm);
}

.cta p {
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

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

.cta .btn-primary:hover {
    background-color: var(--gray-light);
}

/* ====== Authentication Pages ====== */
.auth-page {
    padding: var(--spacing-xl) 0;
}

.auth-form {
    max-width: 500px;
    margin: 0 auto;
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.auth-form h1 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.form-group small {
    display: block;
    color: var(--gray-dark);
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
}

.auth-form button {
    width: 100%;
    margin-top: var(--spacing-md);
}

.auth-link {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--gray-dark);
}

/* ====== Dashboard Styles ====== */
.dashboard {
    padding: var(--spacing-xl) 0;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.dashboard-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.summary-card {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.summary-card h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-dark);
}

.summary-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.dashboard-section {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
}

.dashboard-section h2 {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--gray);
}

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

.models-table th,
.models-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--gray);
}

.models-table th {
    font-weight: 600;
    color: var(--gray-dark);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.empty-state p {
    margin-bottom: var(--spacing-lg);
    color: var(--gray-dark);
}

.form-card {
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

/* ====== Verification Page Styles ====== */
.verification-section {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
}

.model-info {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.info-grid {
    display: grid;
    row-gap: var(--spacing-md);
}

.info-item {
    display: grid;
    grid-template-columns: 130px 1fr;
}

.label {
    font-weight: 600;
    color: var(--gray-dark);
}

.verification-checks {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.check-group {
    margin-bottom: var(--spacing-lg);
}

.check-group h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.check-item {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
}

.check-item input[type="checkbox"] {
    margin-right: var(--spacing-sm);
}

.note {
    margin-top: var(--spacing-lg);
    color: var(--gray-dark);
    font-size: 0.9rem;
    font-style: italic;
}

/* ====== Responsive Styles ====== */
@media screen and (max-width: 768px) {
    .verification-section {
        grid-template-columns: 1fr;
    }
    
    .model-info {
        margin-bottom: var(--spacing-lg);
    }
    
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .main-nav li {
        margin: 0 var(--spacing-sm) var(--spacing-sm);
    }
    
    .hero {
        padding: 4rem 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .footer-content {
        flex-direction: column;
    }
}

@media screen and (max-width: 576px) {
    .site-header .container {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .models-table {
        display: block;
        overflow-x: auto;
    }
    
    .summary-card {
        padding: var(--spacing-md);
    }
    
    .summary-value {
        font-size: 1.5rem;
    }
    
    .info-item {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 1.25rem;
    }
}