/* CLIMADA Africa Risk Platform - Stylesheet */

/* =========== CSS Variables =========== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;

    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;

    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;

    --border-color: #e5e7eb;
    --border-radius: 8px;
    --box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.1);

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Monaco', 'Courier New', monospace;

    --max-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

/* =========== Global Styles =========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    line-height: 1.6;
    font-size: 16px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

/* =========== Navigation Bar =========== */
.navbar {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    padding: var(--spacing-md) 0;
    box-shadow: var(--box-shadow-lg);
}

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

.nav-brand h1 {
    font-size: 1.75rem;
    margin: 0;
    color: white;
}

.nav-brand .subtitle {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-menu a {
    color: white;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: background 0.2s;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: rgba(255, 255, 255, 0.2);
}

/* =========== Container =========== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.main-content {
    min-height: calc(100vh - 400px);
    padding: var(--spacing-xl) 0;
}

/* =========== Hero Section =========== */
.hero {
    text-align: center;
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xl);
}

.hero h1 {
    font-size: 3rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* =========== Country Grid =========== */
.country-selection,
.hazards-overview,
.quick-start {
    margin-bottom: var(--spacing-xl);
}

.country-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.country-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    transition: all 0.3s;
    text-align: center;
}

.country-card.has-data {
    border-color: var(--secondary-color);
    cursor: pointer;
}

.country-card.has-data:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-lg);
    border-color: var(--primary-color);
}

.country-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.country-code {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* =========== Badges =========== */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: var(--spacing-xs);
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background: #cffafe;
    color: #155e75;
}

/* =========== Hazard Cards =========== */
.hazard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.hazard-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: transform 0.3s;
    cursor: pointer;
}

.hazard-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-lg);
}

.hazard-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.hazard-card h3 {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

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

/* =========== Steps =========== */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.step {
    display: flex;
    gap: var(--spacing-md);
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

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

/* =========== Breadcrumb =========== */
.breadcrumb {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

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

/* =========== Risk Cards =========== */
.risk-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.risk-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--box-shadow);
}

.risk-card h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.risk-metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.metric-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.metric-value {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.125rem;
}

/* =========== Metrics Grid =========== */
.metrics-grid,
.metrics-grid-large {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.metric-card,
.metric-box {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.metric-card.primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.metric-card.primary h3,
.metric-card.primary .metric-value {
    color: white;
}

.metric-card.primary .metric-description {
    color: rgba(255, 255, 255, 0.9);
}

.big-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-top: var(--spacing-sm);
}

.metric-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

/* =========== Charts =========== */
.chart-container {
    position: relative;
    height: 300px;
    margin: var(--spacing-md) 0;
}

.chart-container-large {
    position: relative;
    height: 400px;
    margin: var(--spacing-md) 0;
}

.chart-box {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.chart-row {
    margin: var(--spacing-lg) 0;
}

/* =========== Tabs =========== */
.tabs {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    background: transparent;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-secondary);
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
    font-weight: 500;
}

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

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

.tab-content {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.tab-panel {
    display: none;
}

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

.description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-left: 4px solid var(--info-color);
    border-radius: var(--border-radius);
}

/* =========== Events =========== */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.event-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--warning-color);
    box-shadow: var(--box-shadow);
}

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

.event-header h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin: 0;
}

.event-year {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1rem;
}

.event-details {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.event-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.event-impact {
    font-weight: 600;
    color: var(--danger-color);
    font-size: 1rem;
}

/* =========== Strategies =========== */
.strategies-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.strategy-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--secondary-color);
    box-shadow: var(--box-shadow);
}

.strategy-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-sm);
}

.strategy-header h3 {
    font-size: 1.25rem;
    margin: 0;
    flex: 1;
}

.strategy-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.strategy-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.strategy-metric {
    display: flex;
    flex-direction: column;
}

.strategy-metric .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.strategy-metric .value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 0.25rem;
}

.strategies-summary {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
}

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

.summary-item {
    display: flex;
    flex-direction: column;
}

.summary-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.summary-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-top: 0.25rem;
}

/* =========== Forms =========== */
.assessment-form,
.page-header {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: var(--spacing-lg);
}

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

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

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.2s;
}

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

.form-inline {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.form-inline select {
    padding: 0.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

/* =========== Buttons =========== */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-block;
}

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

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

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

.btn-secondary:hover {
    background: var(--text-primary);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* =========== Impact Cards =========== */
.impact-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.impact-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    border-top: 4px solid var(--primary-color);
}

.impact-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: var(--spacing-sm) 0;
}

.impact-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* =========== CTA Section =========== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.cta-section h2,
.cta-section p {
    color: white;
}

.cta-section .btn {
    background: white;
    color: var(--primary-color);
    margin-top: var(--spacing-md);
}

.cta-section .btn:hover {
    background: var(--bg-tertiary);
}

/* =========== Loading & Error States =========== */
.loading {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-secondary);
    font-style: italic;
}

.error {
    color: var(--danger-color);
    background: #fee2e2;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--danger-color);
}

/* =========== Footer =========== */
.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

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

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.footer-section p,
.footer-section li {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
}

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

.version {
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

/* =========== Responsive Design =========== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .navbar .container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .nav-menu {
        flex-direction: column;
        gap: var(--spacing-xs);
        text-align: center;
    }

    .country-grid,
    .hazard-cards,
    .charts-grid {
        grid-template-columns: 1fr;
    }

    .metrics-grid,
    .metrics-grid-large {
        grid-template-columns: 1fr;
    }

    .chart-container {
        height: 250px;
    }

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

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

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