/* ===================================
   Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --color-primary: #0066cc;
    --color-primary-dark: #004c99;
    --color-secondary: #00a8cc;
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #dc3545;
    --color-text: #333;
    --color-text-light: #666;
    --color-bg: #f8f9fa;
    --color-white: #ffffff;
    --color-border: #dee2e6;
    --color-shadow: rgba(0, 0, 0, 0.1);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Transitions */
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

.app-main {
    flex: 1;
    padding: var(--spacing-md) 0;
}

/* ===================================
   Header
   =================================== */
.app-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-sm);
    text-align: center;
    box-shadow: 0 2px 8px var(--color-shadow);
}

.app-header h1 {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.app-header .subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

/* ===================================
   Search Section
   =================================== */
.search-section {
    background: var(--color-white);
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 12px var(--color-shadow);
}

.search-section h2 {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.search-group {
    margin-bottom: var(--spacing-md);
}

.search-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.search-group input[type="text"],
.search-group input[type="date"],
.search-group input[type="time"],
.search-group select {
    width: 100%;
    padding: var(--spacing-sm);
    font-size: var(--font-size-base);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    background-color: white;
}

.search-group select {
    cursor: pointer;
    background-image: url('data:image/svg+xml;charset=UTF-8,%3csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"%3e%3cpolyline points="6 9 12 15 18 9"%3e%3c/polyline%3e%3c/svg%3e');
    background-repeat: no-repeat;
    background-position: right var(--spacing-sm) center;
    background-size: 1.2em;
    padding-right: calc(var(--spacing-sm) * 2.5);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.search-group input:focus,
.search-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.saved-locations-select option {
    padding: var(--spacing-sm);
}

.help-text {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

/* Location Search Autocomplete */
.location-search-wrapper {
    position: relative;
}

.suggestions-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border: 2px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    max-height: 250px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: 0 4px 12px var(--color-shadow);
    display: none;
}

.suggestions-dropdown.active {
    display: block;
}

.suggestion-item {
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--color-border);
}

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

.suggestion-item:hover,
.suggestion-item.selected {
    background-color: var(--color-bg);
}

.suggestion-item strong {
    color: var(--color-primary);
}

/* Buttons */
.btn-primary {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 102, 204, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Loading Spinner */
.loading-spinner {
    text-align: center;
    padding: var(--spacing-lg);
}

.spinner {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-sm);
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Error Message */
.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid #f5c6cb;
    margin-top: var(--spacing-md);
}

/* ===================================
   Results Section
   =================================== */
.results-section {
    animation: fadeIn 0.5s ease-in;
}

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

.results-header {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 12px var(--color-shadow);
}

.results-header h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.results-date {
    font-size: var(--font-size-lg);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.results-coords {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* Safety Summary */
.safety-summary {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 12px var(--color-shadow);
}

.safety-summary h3 {
    margin-bottom: var(--spacing-sm);
}

.safety-rating {
    text-align: center;
    margin: var(--spacing-md) 0;
}

.safety-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-xl);
    font-weight: 700;
    border-radius: var(--radius-lg);
    text-transform: uppercase;
}

.safety-badge.good {
    background-color: var(--color-success);
    color: var(--color-white);
}

.safety-badge.moderate {
    background-color: var(--color-warning);
    color: var(--color-text);
}

.safety-badge.poor {
    background-color: var(--color-danger);
    color: var(--color-white);
}

.safety-warnings {
    list-style: none;
    margin-top: var(--spacing-md);
}

.safety-warnings li {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background-color: #fff3cd;
    border-left: 4px solid var(--color-warning);
    border-radius: var(--radius-sm);
}

.safety-warnings li::before {
    content: "⚠️ ";
    margin-right: var(--spacing-xs);
}

/* Info Cards */
.info-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 12px var(--color-shadow);
}

.info-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border);
}

.info-card h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

/* Weather Grid */
.weather-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.weather-item {
    padding: var(--spacing-md);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    text-align: center;
}

.weather-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.weather-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

/* Direction Arrows */
.direction-arrow {
    display: inline-block;
    font-size: var(--font-size-xl);
    transition: transform 0.3s ease;
    margin-left: var(--spacing-xs);
}

/* Wind Arrow (deprecated - kept for compatibility) */
.wind-arrow {
    display: inline-block;
    margin-left: var(--spacing-xs);
    font-size: var(--font-size-lg);
}

/* Sea State Grid */
.sea-state-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.sea-state-item {
    padding: var(--spacing-md);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    text-align: center;
}

.sea-state-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.sea-state-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

/* Hourly Weather */
.hourly-weather-container {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding: var(--spacing-sm) 0;
    margin: var(--spacing-sm) 0;
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) var(--color-bg);
}

.hourly-weather-container::-webkit-scrollbar {
    height: 8px;
}

.hourly-weather-container::-webkit-scrollbar-track {
    background: var(--color-bg);
    border-radius: var(--radius-sm);
}

.hourly-weather-container::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: var(--radius-sm);
}

.hourly-weather-container::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-dark);
}

/* Detailed Hour Cards */
.hour-card-detailed {
    flex: 0 0 auto;
    min-width: 220px;
    padding: var(--spacing-sm);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: var(--radius-md);
    border: 2px solid var(--color-border);
    transition: var(--transition);
    font-size: var(--font-size-sm);
}

.hour-card-detailed:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--color-shadow);
    border-color: var(--color-primary);
}

.hour-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-border);
}

.hour-time-large {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
}

.hour-icon-large {
    font-size: 2.5rem;
    line-height: 1;
}

.hour-temps {
    margin-bottom: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: #e3f2fd;
    border-radius: var(--radius-sm);
}

.hour-temps div {
    margin: 2px 0;
}

.hour-wind-info {
    margin-bottom: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: #fff3e0;
    border-radius: var(--radius-sm);
}

.wind-row, .wind-direction-row {
    margin: 2px 0;
}

.wind-direction-row {
    display: flex;
    align-items: center;
    gap: 4px;
}

.wind-arrow-inline {
    display: inline-block;
    font-size: 18px;
    line-height: 1;
}

.hour-gust-info {
    margin-bottom: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: #ffe0b2;
    border-radius: var(--radius-sm);
}

.gust-row {
    margin: 2px 0;
}

.hour-precip {
    padding: var(--spacing-xs);
    background: #e8f5e9;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 600;
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-sm);
}

.data-table thead {
    background-color: var(--color-bg);
}

.data-table th {
    padding: var(--spacing-sm);
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--color-border);
}

.data-table td {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.data-table tbody tr:hover {
    background-color: var(--color-bg);
}

/* Table Container for Horizontal Scroll */
.table-container {
    overflow-x: auto;
    overflow-y: auto;
    max-height: 400px;
    margin: var(--spacing-sm) 0;
    border-radius: var(--radius-md);
    box-shadow: 0 1px 4px var(--color-shadow);
}

/* Marine Conditions Table */
.marine-table {
    min-width: 700px;
    font-size: var(--font-size-sm);
}

.marine-table th {
    white-space: nowrap;
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    position: sticky;
    top: 0;
    z-index: 10;
}

.marine-table td {
    padding: var(--spacing-xs) var(--spacing-sm);
    text-align: center;
    font-size: var(--font-size-sm);
}

.marine-table td:first-child {
    font-weight: 600;
    text-align: left;
    background-color: var(--color-bg);
    position: sticky;
    left: 0;
    z-index: 5;
}

.marine-table tbody tr:nth-child(even) td:first-child {
    background-color: #f8f9fa;
}

.marine-table tbody tr:nth-child(even) {
    background-color: #f8f9fa;
}

.marine-table tbody tr:hover {
    background-color: #e3f2fd;
}

.marine-table tbody tr:hover td:first-child {
    background-color: #e3f2fd;
}

/* Direction in table */
.table-direction {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.table-direction-arrow {
    display: inline-block;
    font-size: 16px;
    line-height: 1;
}

/* Tidal Info */
.tidal-info {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
}

.tidal-streams {
    padding: var(--spacing-sm);
}

.tidal-stream-item {
    padding: var(--spacing-sm);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
}

/* Map Styling */
#location-map {
    border: 2px solid var(--color-border);
    box-shadow: 0 2px 8px var(--color-shadow);
}

/* Map Legend */
.map-legend {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.legend-color {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.legend-text {
    font-weight: 500;
    color: var(--color-text);
}

/* Map Direction Control */
.map-direction-control {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    padding: 4px;
}

.direction-table {
    border-collapse: collapse;
    font-size: 11px;
}

.direction-table th {
    color: #333;
    padding: 4px 8px;
    font-weight: 600;
    border: 1px solid var(--color-border);
}

.direction-table td {
    padding: 4px 8px;
    text-align: center;
    border: 1px solid var(--color-border);
}

.direction-table .time-cell {
    font-weight: 600;
    text-align: left;
}

/* Column colors */
.direction-table .col-time {
    background: #f8f9fa;
}

.direction-table .col-wind {
    background: #e3f2fd;
}

.direction-table .col-waves {
    background: #fff3e0;
}

.direction-table .col-current {
    background: #e8f5e9;
}

.map-arrow {
    font-size: 24px;
    display: inline-block;
    line-height: 1;
}

/* Leaflet Popup Customization */
.leaflet-popup-content-wrapper {
    border-radius: var(--radius-md);
}

.leaflet-popup-content {
    margin: var(--spacing-sm);
    font-family: var(--font-family);
}

/* ===================================
   Data Sources Display
   =================================== */
.data-sources {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, #e3f2fd 0%, #f8f9fa 100%);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    font-size: 0.85em;
}

.data-sources h4 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 0.9em;
    color: var(--color-text);
    font-weight: 600;
}

.data-source-item {
    display: inline-block;
    margin-right: var(--spacing-md);
    color: var(--color-text-secondary);
}

.data-source-item strong {
    color: var(--color-text);
    font-weight: 600;
}

.data-source-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.85em;
    font-weight: 600;
    margin-left: 4px;
}

.data-source-badge.stormglass {
    background: #667eea;
    color: white;
}

.data-source-badge.worldtides {
    background: #4299e1;
    color: white;
}

.data-source-badge.open-meteo {
    background: #48bb78;
    color: white;
}

.source-selector {
    padding: 4px 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: white;
    color: var(--color-text);
    font-size: 0.9em;
    cursor: pointer;
    transition: all 0.2s ease;
}

.source-selector:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.source-selector:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* ===================================
   Grade Card
   =================================== */
.grade-card {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.grade-card h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.grade-table-container {
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
}

.grade-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
}

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

.grade-table th {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-weight: 600;
}

.grade-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.grade-table tbody tr {
    transition: background-color 0.2s ease;
}

.grade-table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Color coding for grade rows */
.grade-row-green {
    background-color: rgba(40, 167, 69, 0.1);
    border-left: 4px solid #28a745;
}

.grade-row-amber {
    background-color: rgba(255, 193, 7, 0.1);
    border-left: 4px solid #ffc107;
}

.grade-row-red {
    background-color: rgba(220, 53, 69, 0.1);
    border-left: 4px solid #dc3545;
}

.grade-total-row {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 1.1em;
}

.grade-total-row td {
    border: none;
    padding: var(--spacing-md);
}

.grade-activities {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.grade-activities h4 {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    font-size: 1em;
}

.grade-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: space-between;
}

.grade-checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: #f8f9fa;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.grade-checkbox-label:hover {
    background: #e9ecef;
    border-color: var(--color-primary);
}

.grade-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.grade-checkbox-label span {
    font-weight: 500;
    user-select: none;
}

.grade-assessment {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    border-radius: var(--radius-md);
    border: 2px solid #667eea;
}

.grade-assessment h4 {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    color: #667eea;
}

.grade-assessment p {
    margin: 0;
    line-height: 1.6;
}

/* ===================================
   Footer
   =================================== */
.app-footer {
    background-color: var(--color-text);
    color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-sm);
    margin-top: auto;
}

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

.app-footer ul {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.app-footer li {
    margin-bottom: var(--spacing-xs);
    opacity: 0.9;
}

.app-footer a {
    color: var(--color-secondary);
    text-decoration: none;
}

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

.disclaimer {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
}

.disclaimer p {
    font-size: var(--font-size-sm);
}

.copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablets (768px and up) */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .app-header h1 {
        font-size: 2.5rem;
    }

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

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

    .data-table th,
    .data-table td {
        padding: var(--spacing-md);
    }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
    .app-header h1 {
        font-size: 3rem;
    }

    .weather-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .sea-state-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .btn-primary {
        width: auto;
        min-width: 250px;
    }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .search-section,
    .app-footer {
        display: none;
    }

    .results-section {
        box-shadow: none;
    }
}