/**
 * FastWeather Web Application Styles
 * WCAG 2.2 AA Compliant Design
 */

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

:root {
    /* Color palette meeting WCAG AA contrast ratios */
    --primary-bg: #ffffff;
    --secondary-bg: #f5f5f5;
    --card-bg: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-muted: #6a6a6a;
    --border-color: #d0d0d0;
    --focus-outline: #0066cc;
    --link-color: #0066cc;
    --link-hover: #004999;
    --error-bg: #fee;
    --error-text: #c00;
    --success-bg: #efe;
    --success-text: #060;
    --button-primary: #0066cc;
    --button-primary-hover: #0052a3;
    --button-secondary: #6c757d;
    --button-secondary-hover: #545b62;
    --button-danger: #dc3545;
    --button-danger-hover: #c82333;
    --modal-overlay: rgba(0, 0, 0, 0.7);
    --temperature-color: #0066cc;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Typography */
    --font-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --line-height-base: 1.5;
    --line-height-heading: 1.2;
    
    /* Borders & Shadows */
    --border-radius: 0.375rem;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* === Base Typography === */
body {
    font-family: var(--font-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-primary);
    background-color: var(--secondary-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

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

/* === Visually Hidden (for screen readers) === */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* === Focus Styles (WCAG requirement) === */
*:focus {
    outline: 3px solid var(--focus-outline);
    outline-offset: 2px;
}

*:focus:not(:focus-visible) {
    outline: none;
}

*:focus-visible {
    outline: 3px solid var(--focus-outline);
    outline-offset: 2px;
}

/* === Header === */
header {
    background-color: var(--primary-bg);
    padding: var(--spacing-lg) var(--spacing-xl);
    box-shadow: var(--box-shadow);
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    margin-bottom: var(--spacing-xs);
    color: var(--button-primary);
}

.tagline {
    color: var(--text-secondary);
    margin: 0;
    font-size: var(--font-size-sm);
}

/* === Main Content === */
main {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* === Sections === */
section {
    background-color: var(--card-bg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

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

.section-header h2 {
    margin: 0;
}

.controls {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    align-items: center;
}

/* === View Menu Button === */
.view-menu-container {
    position: relative;
}

#view-menu-btn {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: background-color 0.2s;
    min-height: 44px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

#view-menu-btn:hover {
    background: var(--primary-bg);
}

#view-menu-btn:focus {
    outline: 3px solid var(--focus-outline);
    outline-offset: 2px;
}

#view-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 4px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    list-style: none;
    padding: 4px 0;
    margin: 0;
    min-width: 150px;
    z-index: 1000;
}

#view-menu li {
    padding: 0;
    margin: 0;
}

#view-menu [role="menuitem"] {
    width: 100%;
    background: none;
    border: none;
    padding: 10px 16px;
    text-align: left;
    cursor: pointer;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

#view-menu [role="menuitem"]::before {
    content: '';
    width: 16px;
    height: 16px;
}

#view-menu [role="menuitem"][aria-checked="true"]::before {
    content: '✓';
    font-weight: bold;
}

#view-menu [role="menuitem"]:hover {
    background: var(--primary-bg);
}

#view-menu [role="menuitem"]:focus {
    outline: none;
    background: var(--link-color);
    color: white;
}

/* === Table View === */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--border-radius);
    background: var(--secondary-bg);
}

.weather-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--secondary-bg);
}

.weather-table th,
.weather-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.weather-table thead th {
    background: var(--primary-bg);
    font-weight: 600;
    color: var(--text-primary);
}

.weather-table tbody th {
    font-weight: 600;
    color: var(--text-primary);
}

.weather-table tbody tr:hover {
    background: var(--primary-bg);
}

.weather-table tbody tr:last-child td,
.weather-table tbody tr:last-child th {
    border-bottom: none;
}

.city-link-btn {
    background: none;
    border: none;
    color: var(--link-color);
    cursor: pointer;
    font: inherit;
    font-weight: 600;
    text-decoration: none;
    padding: 0;
    text-align: left;
    min-height: 44px;
    display: flex;
    align-items: center;
}

.city-link-btn:hover {
    text-decoration: underline;
    color: var(--link-hover);
}

.city-link-btn:focus {
    outline: 3px solid var(--focus-outline);
    outline-offset: 2px;
    border-radius: var(--border-radius);
}

.table-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.icon-btn-small {
    padding: 4px 8px;
    font-size: var(--font-size-sm);
    min-height: 32px;
    min-width: 32px;
    border-radius: var(--border-radius);
    background: var(--primary-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s;
}

.icon-btn-small:hover {
    background: var(--border-color);
}

.icon-btn-small:focus {
    outline: 3px solid var(--focus-outline);
    outline-offset: 2px;
}

.icon-btn-small.remove-btn:hover {
    background: #dc3545;
    color: white;
    border-color: #dc3545;
}

/* === List View === */
.list-view-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background: var(--secondary-bg);
    transition: background-color 0.2s;
    min-height: 44px;
    display: flex;
    align-items: center;
}

.list-view-item[aria-selected="true"] {
    background: var(--button-primary);
    color: white;
    font-weight: 600;
}

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

.list-alert-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    margin-left: 0.5rem;
    border-radius: var(--border-radius);
    transition: background-color 0.2s;
    font-size: inherit;
}

.list-alert-btn:hover {
    background-color: rgba(255, 193, 7, 0.2);
}

.list-alert-btn:focus {
    outline: 2px solid var(--focus-outline);
    outline-offset: 2px;
}

.list-view-item[aria-selected="true"] .list-alert-btn {
    color: white;
}

#city-list[role="listbox"] {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    max-height: 500px;
    overflow-y: auto;
}

#city-list[role="listbox"]:focus {
    outline: 3px solid var(--focus-outline);
    outline-offset: 2px;
}

.list-view-controls {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.list-control-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    background: var(--secondary-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-size: var(--font-size-base);
    min-height: 44px;
    transition: background-color 0.2s;
}

.list-control-btn:hover {
    background: var(--border-color);
}

.list-control-btn:focus {
    outline: 3px solid var(--focus-outline);
    outline-offset: 2px;
}

.list-control-btn.remove-btn:hover {
    background: #dc3545;
    color: white;
    border-color: #dc3545;
}

/* === Forms === */
.input-group {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
    flex-wrap: wrap;
}

label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: var(--font-size-base);
}

input[type="text"],
input[type="search"],
select {
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--primary-bg);
    color: var(--text-primary);
    min-height: 44px; /* WCAG touch target size */
    flex: 1;
    min-width: 200px;
}

input[type="text"]:hover,
input[type="search"]:hover,
select:hover {
    border-color: var(--text-secondary);
}

input[type="text"]:focus,
input[type="search"]:focus,
select:focus {
    border-color: var(--focus-outline);
}

/* === Buttons === */
button {
    font-size: var(--font-size-base);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 44px; /* WCAG touch target size */
    min-width: 44px;
    background-color: var(--button-primary);
    color: white;
    font-family: var(--font-base);
}

button:hover {
    background-color: var(--button-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--box-shadow);
}

button:active {
    transform: translateY(0);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.icon-btn {
    padding: var(--spacing-sm);
    min-width: 44px;
    min-height: 44px;
    background-color: var(--button-secondary);
    font-size: var(--font-size-lg);
}

.location-btn {
    background-color: var(--button-secondary);
    border: 2px solid var(--border-color);
}

.location-btn:hover:not(:disabled) {
    background-color: var(--button-secondary-hover);
    border-color: var(--focus-outline);
}

.location-btn:disabled {
    opacity: 0.6;
    cursor: wait;
}

.icon-btn:hover {
    background-color: var(--button-secondary-hover);
}

.remove-btn, .remove-btn-small {
    background-color: var(--button-danger);
    color: white;
}

.remove-btn:hover, .remove-btn-small:hover {
    background-color: var(--button-danger-hover);
    color: white;
}

.back-btn {
    background-color: var(--button-secondary);
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    min-width: auto;
    min-height: auto;
    margin-left: var(--spacing-md);
    display: inline-block;
    vertical-align: middle;
}

.back-btn:hover {
    background-color: var(--button-secondary-hover);
}

/* === Checkboxes and Radio Buttons === */
input[type="checkbox"],
input[type="radio"] {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-sm);
    cursor: pointer;
    accent-color: var(--button-primary);
}

fieldset {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

legend {
    font-weight: 600;
    padding: 0 var(--spacing-sm);
    color: var(--text-primary);
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

/* Reduce columns at medium zoom levels */
@media (max-width: 1200px) {
    .checkbox-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
}

@media (max-width: 900px) {
    .checkbox-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
}

.checkbox-grid label {
    display: flex;
    align-items: center;
    margin: 0;
    cursor: pointer;
}

/* === Order List === */
.order-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 500px;
}

.order-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.order-item label {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    margin: 0;
}

.order-controls {
    display: flex;
    gap: var(--spacing-xs);
}

.order-btn {
    min-width: 32px;
    height: 32px;
    padding: var(--spacing-xs);
    border: 1px solid var(--border-color);
    background-color: var(--primary-bg);
    color: var(--text-primary);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.order-btn:hover:not(:disabled) {
    background-color: var(--button-primary);
    color: white;
    border-color: var(--button-primary);
}

.order-btn:focus {
    outline: 2px solid var(--focus-outline);
    outline-offset: 2px;
}

.order-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* === Check All / Uncheck All Buttons === */
.check-all-btn,
.uncheck-all-btn,
.secondary-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-primary);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-base);
    transition: background-color 0.2s ease, border-color 0.2s ease;
    min-height: 36px;
}

.check-all-btn:hover,
.uncheck-all-btn:hover,
.secondary-btn:hover {
    background-color: var(--button-primary);
    color: white;
    border-color: var(--button-primary);
}

.check-all-btn:focus,
.uncheck-all-btn:focus,
.secondary-btn:focus {
    outline: 2px solid var(--focus-outline);
    outline-offset: 2px;
}

/* === City Cards === */
#city-list {
    display: grid;
    gap: var(--spacing-lg);
}

.city-card {
    background-color: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    transition: box-shadow 0.2s ease;
}

.city-card:hover {
    box-shadow: var(--box-shadow-lg);
}

.city-card:focus-within {
    border-color: var(--focus-outline);
}

.city-card-header {
    margin-bottom: var(--spacing-md);
}

.city-title-btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: var(--link-color);
    text-decoration: none;
    font: inherit;
    text-align: left;
    min-height: 44px;
    display: flex;
    align-items: center;
}

.city-title-btn:hover {
    text-decoration: underline;
    color: var(--link-hover);
}

.city-title-btn:focus {
    outline: 3px solid var(--focus-outline);
    outline-offset: 2px;
    border-radius: var(--border-radius);
}

.city-title-btn h3 {
    margin: 0;
    color: inherit;
}

.city-card-content {
    margin-bottom: var(--spacing-md);
}

.city-card-controls {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: flex-end;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.weather-summary {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.temperature {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--temperature-color);
}

.weather-desc {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.uv-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: calc(var(--border-radius) * 2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1.4;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.weather-details {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-sm) var(--spacing-md);
    margin-top: var(--spacing-md);
}

.weather-details dt {
    font-weight: 600;
    color: var(--text-secondary);
}

.weather-details dd {
    color: var(--text-primary);
}

.daily-forecast {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.daily-forecast h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* === Loading States === */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    color: var(--text-secondary);
}

.loading-text {
    color: var(--text-secondary);
    font-style: italic;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top-color: var(--button-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

/* === Error Messages === */
.error-message {
    color: var(--error-text);
    background-color: var(--error-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--error-text);
    margin-top: var(--spacing-md);
    display: none;
}

.error-message.visible {
    display: block;
}

/* === Modals === */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.modal[hidden] {
    display: none;
}

.modal-content {
    background-color: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content.large {
    max-width: 800px;
}

/* Better responsive handling for high zoom */
@media (max-width: 1000px) {
    .modal-content.large {
        max-width: 90%;
    }
}

.modal-content h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-lg);
}

/* Close button in top-right corner */
.modal-close-btn {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: transparent;
    border: 2px solid var(--text-color);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 1;
    padding: 0;
    color: var(--text-color);
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.modal-close-btn:hover,
.modal-close-btn:focus {
    background-color: var(--button-hover-bg);
    border-color: var(--button-hover-bg);
    color: var(--button-text);
}

.modal-close-btn:focus {
    outline: 3px solid var(--focus-outline);
    outline-offset: 2px;
}

.modal-content {
    position: relative;
    background-color: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

/* === City Selection === */
#city-matches-list {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    max-height: 300px;
    overflow-y: auto;
    margin: var(--spacing-md) 0;
}

.city-option {
    padding: var(--spacing-md);
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
}

.city-option:last-child {
    border-bottom: none;
}

.city-option:hover {
    background-color: var(--secondary-bg);
}

.city-option[aria-selected="true"] {
    background-color: var(--button-primary);
    color: white;
}

.city-option:focus {
    outline: 3px solid var(--focus-outline);
    outline-offset: -3px;
}

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

.tabs button,
.location-tabs button {
    background-color: transparent;
    color: var(--text-secondary);
    border: none;
    border-bottom: 3px solid transparent;
    border-radius: 0;
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    min-height: auto;
    transition: all 0.2s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

/* Allow tabs to stack more on smaller screens/high zoom */
@media (max-width: 900px) {
    .tabs button,
    .location-tabs button {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
}

.tabs button:hover,
.location-tabs button:hover {
    background-color: var(--secondary-bg);
    color: var(--text-primary);
    transform: none;
    box-shadow: none;
}

.tabs button[aria-selected="true"],
.location-tabs button[aria-selected="true"] {
    color: var(--text-primary);
    background-color: var(--secondary-bg);
    border-bottom-color: var(--button-primary);
    font-weight: 600;
}

.tab-panel[hidden],
[role="tabpanel"][hidden] {
    display: none;
}

/* === Full Weather Details === */
.full-weather-details section {
    margin-bottom: var(--spacing-xl);
    padding: 0;
    box-shadow: none;
}

.full-weather-details h4 {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.hourly-forecast {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.hourly-item {
    background-color: var(--secondary-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    min-width: 120px;
    flex-shrink: 0;
}

.hourly-item h5 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.hourly-weather {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.hourly-temp {
    margin: var(--spacing-xs) 0;
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.hourly-item p {
    font-size: var(--font-size-xs);
    margin: var(--spacing-xs) 0;
}

.forecast-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.forecast-day {
    background-color: var(--secondary-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.forecast-day h5 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-primary);
}

.forecast-weather {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.forecast-temp {
    margin: var(--spacing-xs) 0;
    font-weight: 500;
}

/* === Footer === */
footer {
    background-color: var(--primary-bg);
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

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

footer a {
    color: var(--link-color);
    text-decoration: underline;
}

footer a:hover {
    color: var(--link-hover);
}

/* === Links === */
a {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* === Responsive Design === */
@media (max-width: 768px) {
    main {
        padding: var(--spacing-md);
    }
    
    header {
        padding: var(--spacing-md);
    }
    
    h1 {
        font-size: var(--font-size-2xl);
    }
    
    .input-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .controls {
        width: 100%;
        justify-content: flex-start;
    }
    
    #view-menu-btn {
        width: 100%;
    }
    
    #view-menu {
        left: 0;
        right: 0;
        width: 100%;
    }
    
    /* Table scrolling handled by wrapper - no display changes needed */
    
    .city-card-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .city-card-controls {
        width: 100%;
    }
    
    .weather-summary {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .checkbox-grid {
        grid-template-columns: 1fr;
    }
    
    .forecast-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .city-card-controls button {
        flex: 1;
        min-width: auto;
    }
}

/* === Print Styles === */
@media print {
    header, footer, .controls, .city-card-controls, button {
        display: none;
    }
    
    .city-card {
        page-break-inside: avoid;
        border: 1px solid #000;
    }
    
    body {
        background: white;
    }
}

/* === High Contrast Mode Support === */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000;
        --focus-outline: #000;
    }
    
    button {
        border: 2px solid currentColor;
    }
}

/* === Reduced Motion Support (WCAG) === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .spinner {
        animation: none;
        border-top-color: var(--border-color);
    }
}

/* === State Selector Section === */
.state-selector-section {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--box-shadow);
}

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

.state-selector-section h3 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

#state-cities-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

#state-cities-list {
    margin-top: var(--spacing-md);
}

/* === Add to Cities Buttons === */
.add-city-btn {
    background: var(--button-primary);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: background-color 0.2s ease, transform 0.1s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.add-city-btn:hover {
    background: var(--button-primary-hover);
}

.add-city-btn:active {
    transform: scale(0.98);
}

.add-city-btn:focus {
    outline: 2px solid var(--focus-outline);
    outline-offset: 2px;
}

.add-city-btn-small {
    background: var(--button-primary);
    color: white;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: background-color 0.2s ease, transform 0.1s ease;
    white-space: nowrap;
}

.add-city-btn-small:hover {
    background: var(--button-primary-hover);
}

.add-city-btn-small:active {
    transform: scale(0.98);
}

.add-city-btn-small:focus {
    outline: 2px solid var(--focus-outline);
    outline-offset: 2px;
}

.add-city-btn-small.inline {
    margin-left: var(--spacing-md);
}

/* === State City Cards === */
.state-city-card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: var(--card-bg);
    box-shadow: var(--box-shadow);
    transition: box-shadow 0.2s ease, transform 0.1s ease;
}

.state-city-card:hover {
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-2px);
}

.state-city-card h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.state-city-card .coordinates {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.state-city-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
}

.state-city-item span {
    flex: 1;
}

/* === Dark Mode Support === */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-bg: #1a1a1a;
        --secondary-bg: #2a2a2a;
        --card-bg: #2a2a2a;
        --text-primary: #e0e0e0;
        --text-secondary: #b0b0b0;
        --text-muted: #888888;
        --border-color: #404040;
        --focus-outline: #4da3ff;
        --link-color: #4da3ff;
        --link-hover: #7ab8ff;
        --error-bg: #4a1a1a;
        --error-text: #ff6b6b;
        --success-bg: #1a4a1a;
        --success-text: #6bff6b;
        --button-primary: #0066cc;
        --button-primary-hover: #4da3ff;
        --button-secondary: #4a4a4a;
        --button-secondary-hover: #5a5a5a;
        --button-danger: #dc3545;
        --button-danger-hover: #e74c3c;
        --modal-overlay: rgba(0, 0, 0, 0.85);
        --temperature-color: #66b3ff;
    }
}
/* === Weather Alerts === */
.alert-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.alert-badge:hover {
    transform: scale(1.05);
}

.alert-badge:focus {
    outline: 2px solid var(--focus-outline);
    outline-offset: 2px;
}

.alert-badge.extreme {
    background-color: #dc3545;
    color: white;
}

.alert-badge.severe {
    background-color: #fd7e14;
    color: white;
}

.alert-badge.moderate {
    background-color: #ffc107;
    color: #1a1a1a;
}

.alert-badge.minor {
    background-color: #0dcaf0;
    color: #1a1a1a;
}

.alert-badge.unknown {
    background-color: #6c757d;
    color: white;
}

.alert-details {
    padding: var(--spacing-lg);
}

.alert-severity-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.alert-severity-header.extreme {
    background-color: #dc3545;
    color: white;
}

.alert-severity-header.severe {
    background-color: #fd7e14;
    color: white;
}

.alert-severity-header.moderate {
    background-color: #ffc107;
    color: #1a1a1a;
}

.alert-severity-header.minor {
    background-color: #0dcaf0;
    color: #1a1a1a;
}

.alert-severity-header.unknown {
    background-color: #6c757d;
    color: white;
}

.alert-severity-icon {
    font-size: 2.5rem;
}

.alert-event {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.alert-headline {
    font-size: 1rem;
    opacity: 0.9;
}

.alert-section {
    margin-bottom: var(--spacing-lg);
}

.alert-section h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.alert-section p {
    line-height: 1.6;
    color: var(--text-secondary);
}

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

.alert-meta-item {
    display: flex;
    flex-direction: column;
}

.alert-meta-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.alert-meta-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* === Historical Weather === */
.historical-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.historical-date-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.historical-date-display {
    flex: 1;
    text-align: center;
    font-size: 1.125rem;
    font-weight: 600;
    padding: var(--spacing-sm);
    background-color: var(--secondary-bg);
    border-radius: var(--border-radius);
}

.historical-view-modes {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.historical-view-modes button {
    padding: 0.5rem 1rem;
    border: 2px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-primary);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.historical-view-modes button:hover {
    background-color: var(--secondary-bg);
    border-color: var(--primary-color, #0066cc);
}

.historical-view-modes button.active {
    background-color: var(--primary-color, #0066cc);
    color: white;
    border-color: var(--primary-color, #0066cc);
}

.historical-data-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.historical-day {
    padding: var(--spacing-md);
    background-color: var(--secondary-bg);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color, #0066cc);
}

.historical-day-header {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.historical-day-data {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.historical-table {
    width: 100%;
    margin-top: var(--spacing-md);
}

.historical-card {
    min-width: 180px;
}

.historical-list-item {
    padding: var(--spacing-md);
    background-color: var(--secondary-bg);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color, #0066cc);
}

/* === Precipitation Nowcast === */
.precipitation-timeline {
    margin-bottom: var(--spacing-lg);
}

.precipitation-points {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    height: 120px;
    padding: var(--spacing-sm);
    background-color: var(--secondary-bg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
}

.precip-point {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
}

.precip-bar {
    width: 100%;
    background: linear-gradient(to top, #0066cc, #4da3ff);
    border-radius: 4px 4px 0 0;
    min-height: 2px;
    transition: height 0.3s ease;
}

.precip-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
    text-align: center;
}

.precipitation-data-list {
    list-style: none;
    padding: 0;
}

.precipitation-data-list li {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.precipitation-data-list li:last-child {
    border-bottom: none;
}

/* === Weather Around Me === */
.distance-selector {
    margin-bottom: var(--spacing-lg);
}

.distance-selector label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.distance-selector select {
    width: 100%;
    padding: var(--spacing-sm);
    font-size: var(--font-size-base);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--card-bg);
    color: var(--text-primary);
}

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

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

.directional-sector h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 600;
}

.directional-sector .location-name {
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 500;
    margin: 0.25rem 0;
}

.directional-sector .distance {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0.25rem 0;
    font-style: italic;
}

.directional-sector .temp {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0.5rem 0;
}

.directional-sector .condition {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0.25rem 0;
}

.directional-sector p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.weather-summary-box {
    padding: var(--spacing-md);
    background-color: var(--secondary-bg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.weather-summary-box h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.weather-summary-box p {
    line-height: 1.6;
    color: var(--text-secondary);
}

/* === Keyboard Shortcut Hints === */
.shortcut-hint {
    font-size: 0.85em;
    margin-left: 0.25rem;
    font-weight: normal;
    color: #ffffff; /* White text ensures WCAG 2.2 AA compliance on button backgrounds */
    /* Note: opacity removed to maintain full contrast ratio for accessibility */
}

/* === Feature Action Buttons === */
.feature-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}

.feature-btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-primary);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-btn:hover {
    background-color: var(--secondary-bg);
    transform: translateY(-1px);
}

.feature-btn:focus {
    outline: 2px solid var(--focus-outline);
    outline-offset: 2px;
}

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

.feature-btn .icon {
    font-size: 1.1rem;
}
/* === Configuration Feedback Banner === */
.config-feedback-banner {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10001;
    background-color: #10b981;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    max-width: 90%;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-1rem);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.config-feedback-banner.fade-out {
    animation: fadeOut 0.3s ease-out;
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

.config-feedback-banner .feedback-icon {
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.config-feedback-banner .feedback-message {
    flex: 1;
    font-size: 0.9375rem;
    line-height: 1.4;
}

.config-feedback-banner .feedback-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    margin: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

.config-feedback-banner .feedback-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.config-feedback-banner .feedback-close:focus {
    outline: 2px solid white;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .config-feedback-banner {
        border: 2px solid white;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .config-feedback-banner {
        animation: none;
    }
    
    .config-feedback-banner.fade-out {
        animation: none;
        opacity: 0;
    }
}