/* Good Hikes Finder - Clean, Readable Styling with Dark Mode */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    /* Light mode colors */
    --bg-primary: #F8F9FA;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F1F3F5;
    --bg-quaternary: #E9ECEF;
    --text-primary: #212529;
    --text-secondary: #495057;
    --text-tertiary: #868E96;
    --border-primary: #DEE2E6;
    --border-secondary: #CED4DA;
    --accent-blue: #007BFF;
    --accent-green: #28A745;
    --accent-orange: #FD7E14;
    --shadow: rgba(0, 0, 0, 0.05);
    --gradient-header: linear-gradient(135deg, #0056b3 0%, #007bff 100%);
}

[data-theme="dark"] {
    /* Dark mode colors */
    --bg-primary: #1a202c;
    --bg-secondary: #2d3748;
    --bg-tertiary: #2d3748;
    --bg-quaternary: #4a5568;
    --text-primary: #f7fafc;
    --text-secondary: #e2e8f0;
    --text-tertiary: #a0aec0;
    --border-primary: #4a5568;
    --border-secondary: #718096;
    --accent-blue: #63b3ed;
    --accent-green: #68d391;
    --accent-orange: #f6ad55;
    --shadow: rgba(0,0,0,0.3);
    --gradient-header: linear-gradient(135deg, #2a4365 0%, #2b6cb0 100%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Header */
header {
    background: var(--gradient-header);
    color: white;
    padding: 2rem 0;
    text-align: center;
    box-shadow: 0 2px 4px var(--shadow);
}

header h1 a {
    color: white;
    text-decoration: none;
    font-size: 2.5rem;
    font-weight: 700;
}

header p {
    margin-top: 0.5rem;
    opacity: 0.9;
    font-size: 1.1rem;
}

/* Main Content */
main {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Search Form */
.search-container {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px var(--shadow);
}

/* Date Checkboxes */
.date-checkboxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.checkbox-group:hover {
    border-color: var(--accent-blue);
    background-color: var(--bg-tertiary);
}

.checkbox-group input[type="checkbox"] {
    width: 1.2rem;
    height: 1.2rem;
    accent-color: #3182ce;
}

.checkbox-group label {
    font-weight: 500;
    cursor: pointer;
    flex: 1;
}

.checkbox-group input[type="checkbox"]:checked + label {
    color: var(--accent-blue);
}

/* Location Controls */
.location-controls {
    margin-bottom: 1.5rem;
    text-align: center;
}

.location-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 0.5rem;
}

.location-button:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.location-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.location-status {
    margin-top: 0.5rem;
    min-height: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.location-status .success {
    color: var(--accent-blue);
    font-weight: 500;
}

.location-status .error {
    color: #e53e3e;
    font-weight: 500;
}

.location-status .info {
    color: #3182ce;
    font-weight: 500;
}

.search-form {
    margin-top: 1.5rem;
}

.form-section {
    margin-bottom: 2rem;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-primary);
}

.form-section h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.form-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.form-group {
    margin-bottom: 1rem;
    flex: 1;
    min-width: 200px;
}

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

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-primary);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(99, 179, 237, 0.2);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* Range inputs styling */
.range-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.range-inputs span {
    color: var(--text-secondary);
    font-weight: 500;
}

.search-button {
    background: var(--accent-blue);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.search-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(56, 161, 105, 0.3);
}

/* Tips Section */
.tips {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-quaternary);
    border-radius: 8px;
    border-left: 4px solid var(--accent-orange);
}

.tips h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.tips ul {
    margin-left: 1.5rem;
}

.tips li {
    margin-bottom: 0.5rem;
}

.tips a {
    color: var(--accent-blue);
    text-decoration: none;
}

.tips a:hover {
    text-decoration: underline;
}

/* Loading and Error States */
.loading {
    text-align: center;
    padding: 3rem;
}

.spinner {
    border: 4px solid var(--border-primary);
    border-top: 4px solid var(--accent-blue);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hidden {
    display: none !important;
}

.error {
    background: #fed7d7;
    color: #742a2a;
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    border: 2px solid #fc8181;
}

/* Date Options */
.date-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.date-option:hover {
    border-color: var(--accent-blue);
    background-color: var(--bg-tertiary);
}

.date-option input[type="checkbox"] {
    width: 1.2rem;
    height: 1.2rem;
    accent-color: #3182ce;
}

.date-option label {
    font-weight: 500;
    cursor: pointer;
    flex: 1;
}

.date-option input[type="checkbox"]:checked + label {
    color: var(--accent-blue);
}

/* Results Section */
.results {
    margin-top: 2rem;
}

.results-summary {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: 500;
}

.results-list {
    display: grid;
    gap: 1.5rem;
}

/* Results Page */
.results-container {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px var(--shadow);
}

.search-summary {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-primary);
}

.back-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
}

.back-link:hover {
    text-decoration: underline;
}

/* Hike Cards */
.hikes-list {
    display: grid;
    gap: 1.5rem;
}

.hike-card {
    border: 2px solid var(--border-primary);
    border-radius: 12px;
    padding: 1.5rem;
    background: var(--bg-secondary);
    transition: transform 0.2s, box-shadow 0.2s;
}

.hike-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow);
    border-color: var(--border-secondary);
}

.hike-name {
    margin-bottom: 0.5rem;
}

.hike-link {
    color: var(--text-primary);
    text-decoration: none;
}

.hike-link:hover {
    color: var(--accent-blue);
    text-decoration: underline;
}

.hike-distance {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.hike-summary {
    margin: 1rem 0;
    color: var(--text-secondary);
    line-height: 1.5;
}

.hike-windows {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.hike-windows h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.window-day {
    margin-bottom: 1rem;
}

.window-day:last-child {
    margin-bottom: 0;
}

.window-day h4 {
    color: var(--accent-blue);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.window-times {
    display: grid;
    gap: 0.5rem;
}

.window-time {
    padding: 0.5rem;
    background: var(--bg-secondary);
    border-radius: 4px;
    border-left: 3px solid var(--accent-green);
}

.weather-info {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: 0.25rem;
}

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

.hike-header h3 {
    flex: 1;
    min-width: 250px;
}

.hike-header h3 a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.25rem;
}

.hike-header h3 a:hover {
    color: var(--accent-blue);
    text-decoration: underline;
}

/* Weather Badges */
.weather-badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
    white-space: nowrap;
    text-align: center;
    min-width: 100px;
}

.weather-excellent {
    background: #e0f2f7; /* Light blue */
    color: #2c5282; /* Darker blue */
    border: 2px solid #a0d9ef; /* Medium blue */
}

.weather-good {
    background: #fef5e7;
    color: #744210;
    border: 2px solid #f6e05e;
}

.weather-ok {
    background: #e6f4f8; /* Light cyan-blue */
    color: #2c7a7b; /* Dark cyan-blue */
    border: 2px solid #81e6d9; /* Teal */
}

.weather-score {
    display: block;
    font-size: 0.75rem;
    margin-top: 0.25rem;
    opacity: 0.8;
}

/* Hike Details */
.hike-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.detail-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-label {
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 80px;
}

/* Weather Summary */
.weather-summary {
    margin-top: 1rem;
    background: var(--bg-quaternary);
    border-radius: 8px;
    border-left: 4px solid var(--accent-blue);
}

.weather-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-radius: 8px;
}

.weather-header:hover {
    background-color: var(--bg-tertiary);
}

.weather-header.expanded {
    border-bottom: 1px solid var(--border-primary);
    border-radius: 8px 8px 0 0;
}

.weather-header h4 {
    color: var(--text-primary);
    margin: 0;
    font-size: 1rem;
}

.weather-toggle {
    color: var(--text-secondary);
    font-size: 0.8rem;
    transition: transform 0.2s ease;
}

.weather-content {
    padding: 0 1rem 1rem 1rem;
}

.weather-summary p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

/* Best Weather Window */
.best-weather-window {
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 2px solid var(--accent-green);
    border-radius: 6px;
    margin-bottom: 0.75rem;
}

.best-time {
    color: var(--text-primary);
    font-weight: 600;
}

/* Expand More Button */
.expand-more {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 0.75rem;
}

.expand-more:hover {
    background-color: var(--bg-secondary);
    border-color: var(--accent-blue);
}

.expand-more.expanded .weather-toggle {
    transform: rotate(180deg);
}

.expand-text {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.weather-toggle {
    color: var(--text-secondary);
    font-size: 0.8rem;
    transition: transform 0.2s ease;
}

/* Additional Weather Content */
.additional-weather-content {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-primary);
}

.additional-weather-content.hidden {
    display: none;
}

/* Weather Table */
.weather-table {
    display: grid;
    gap: 0.5rem;
}

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

.weather-row:last-child {
    border-bottom: none;
}

.weather-label {
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 120px;
    font-size: 0.9rem;
}

.weather-value {
    font-weight: 500;
    color: var(--text-primary);
    text-align: right;
    font-size: 0.9rem;
}

/* Weather Windows */
.weather-windows {
    display: grid;
    gap: 0.75rem;
}

.weather-window {
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    transition: all 0.2s ease;
}

.weather-window:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.window-header {
    margin-bottom: 0.5rem;
}

.window-time {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.window-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.window-details .detail {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* No Results */
.no-results {
    text-align: center;
    padding: 3rem 1rem;
}

.no-results h3 {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.suggestions {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    text-align: left;
}

.suggestions h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.suggestions ul {
    margin-left: 1.5rem;
}

.suggestions li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

/* Search Filters */
.search-filters-used {
    margin-top: 2rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    font-size: 0.9rem;
}

.search-filters-used h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.search-filters-used ul {
    margin-left: 1.5rem;
}

.search-filters-used li {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

/* Error Page */
.error-container {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px var(--shadow);
    text-align: center;
}

.error-message {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #fed7d7;
    border: 2px solid #fc8181;
    border-radius: 8px;
    color: #742a2a;
}

.error-actions {
    margin: 2rem 0;
}

.help-section {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    text-align: left;
}

.help-section h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.help-section ul {
    margin-left: 1.5rem;
}

.help-section li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-tertiary);
    border-top: 1px solid var(--border-primary);
    margin-top: 2rem;
}

footer a {
    color: var(--accent-blue);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    main {
        padding: 1rem;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-group {
        min-width: auto;
    }
    
    .hike-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .weather-badge {
        text-align: center;
        min-width: auto;
    }
    
    .hike-details {
        grid-template-columns: 1fr;
    }
    
    header h1 a {
        font-size: 2rem;
    }
}