/* ==================================
   2026 Family Trips - Shared Styles
   ================================== */

/* CSS Custom Properties */
:root {
    /* Color Gradients */
    --gradient-yellowstone: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    --gradient-sabbatical: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-spring-break: linear-gradient(135deg, #ee0979 0%, #ff6a00 100%);
    --gradient-rv: linear-gradient(135deg, #4568dc 0%, #b06ab3 100%);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-dark: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 100%);

    /* Accent Colors */
    --color-yellowstone: #f7931e;
    --color-sabbatical: #38ef7d;
    --color-spring-break: #ff6a00;
    --color-rv: #b06ab3;
    --color-primary: #667eea;

    /* Status Colors */
    --color-success: #2ecc71;
    --color-warning: #f39c12;
    --color-danger: #e74c3c;
    --color-info: #3498db;

    /* Neutral Colors */
    --color-text: #e8e8e8;
    --color-text-muted: #bbb;
    --color-text-subtle: #888;
    --color-bg-dark: #0f0f23;
    --color-bg-darker: #1a1a3e;
    --color-bg-card: rgba(255,255,255,0.05);
    --color-bg-hover: rgba(255,255,255,0.08);
    --color-border: rgba(255,255,255,0.1);

    /* Spacing */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
    --spacing-xxl: 40px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-pill: 20px;

    /* Font Sizes */
    --font-xs: 0.75rem;
    --font-sm: 0.85rem;
    --font-md: 0.95rem;
    --font-lg: 1.2rem;
    --font-xl: 1.5rem;
    --font-xxl: 2rem;
    --font-xxxl: 2.5rem;
}

/* ==================================
   Base Styles
   ================================== */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--gradient-dark);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ==================================
   Layout Components
   ================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* ==================================
   Navigation
   ================================== */

.main-nav {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.nav-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.nav-link {
    background: rgba(255,255,255,0.08);
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    color: white;
    text-decoration: none;
    transition: all 0.3s;
    font-size: var(--font-sm);
}

.nav-link:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-2px);
}

.nav-link.active {
    background: var(--gradient-primary);
}

.breadcrumb {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-sm);
    color: var(--color-text-muted);
}

.breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
}

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

.breadcrumb span {
    color: var(--color-text-subtle);
}

/* ==================================
   Header Components
   ================================== */

header {
    text-align: center;
    padding: 50px 20px;
    background: var(--gradient-primary);
    color: white;
    margin-bottom: var(--spacing-xxl);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.3);
}

header h1 {
    font-size: var(--font-xxxl);
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

header p {
    font-size: var(--font-lg);
    opacity: 0.9;
}

.header-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-top: 20px;
}

.header-meta span {
    background: rgba(255,255,255,0.15);
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    backdrop-filter: blur(10px);
}

/* ==================================
   Grid Layouts
   ================================== */

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.trips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

/* ==================================
   Card Components
   ================================== */

.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    transition: all 0.3s;
}

.card:hover {
    transform: translateY(-3px);
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.card h3, .card h4 {
    color: #fff;
    margin-bottom: var(--spacing-sm);
}

.card p {
    font-size: var(--font-sm);
    color: var(--color-text-muted);
    margin: 8px 0;
}

/* Trip Cards */
.trip-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 0;
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.trip-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.trip-header {
    padding: 30px 25px;
    color: white;
}

.trip-header.yellowstone {
    background: var(--gradient-yellowstone);
}

.trip-header.sabbatical {
    background: var(--gradient-sabbatical);
}

.trip-header.spring-break {
    background: var(--gradient-spring-break);
}

.trip-header.rv {
    background: var(--gradient-rv);
}

.trip-header h2 {
    font-size: var(--font-xl);
    margin-bottom: 5px;
}

.trip-header .subtitle {
    opacity: 0.9;
    font-size: var(--font-md);
}

.trip-body {
    padding: 25px;
}

.trip-meta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: var(--spacing-md);
}

.trip-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-sm);
    color: var(--color-text-muted);
}

.trip-meta-item .icon {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

/* Activity Cards */
.activity-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.activity-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    border-color: rgba(247, 147, 30, 0.3);
}

.activity-card h3 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.activity-card h3 .num {
    background: var(--color-yellowstone);
    color: #1a1a2e;
    font-size: var(--font-xs);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: bold;
}

.activity-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-sm);
    color: #aaa;
}

/* ==================================
   Tags & Badges
   ================================== */

.tag {
    display: inline-block;
    font-size: var(--font-xs);
    padding: 4px 12px;
    border-radius: var(--radius-md);
    margin: 4px 4px 4px 0;
}

.tag.success, .tag.free {
    background: rgba(46, 204, 113, 0.2);
    color: var(--color-success);
}

.tag.warning, .tag.booking {
    background: rgba(243, 156, 18, 0.2);
    color: var(--color-warning);
}

.tag.info {
    background: rgba(52, 152, 219, 0.2);
    color: var(--color-info);
}

.tag.danger {
    background: rgba(231, 76, 60, 0.2);
    color: var(--color-danger);
}

/* Status Badges for Availability */
.status-badge {
    display: inline-block;
    font-size: var(--font-xs);
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    margin: 8px 8px 8px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.open {
    background: rgba(46, 204, 113, 0.25);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.status-badge.seasonal {
    background: rgba(243, 156, 18, 0.25);
    color: var(--color-warning);
    border: 1px solid var(--color-warning);
}

.status-badge.closed {
    background: rgba(231, 76, 60, 0.25);
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

.status-badge.limited {
    background: rgba(52, 152, 219, 0.25);
    color: var(--color-info);
    border: 1px solid var(--color-info);
}

/* Alert boxes for closures */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius-md);
    margin: 15px 0;
    border-left: 4px solid;
}

.alert.alert-closure {
    background: rgba(231, 76, 60, 0.15);
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.alert.alert-warning {
    background: rgba(243, 156, 18, 0.15);
    border-color: var(--color-warning);
    color: var(--color-warning);
}

.alert.alert-info {
    background: rgba(52, 152, 219, 0.15);
    border-color: var(--color-info);
    color: var(--color-info);
}

.trip-status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-md);
    font-size: var(--font-xs);
    font-weight: 500;
}

.status-planning {
    background: rgba(247, 147, 30, 0.2);
    color: var(--color-yellowstone);
}

.status-exploring {
    background: rgba(46, 204, 113, 0.2);
    color: var(--color-success);
}

.status-not-started {
    background: rgba(149, 165, 166, 0.2);
    color: #95a5a6;
}

.highlight-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.highlight-tag {
    font-size: var(--font-xs);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.08);
    color: #ddd;
}

/* ==================================
   Tables
   ================================== */

table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

th {
    background: rgba(102, 126, 234, 0.2);
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--font-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover {
    background: rgba(255,255,255,0.05);
}

td:first-child {
    font-weight: 500;
    color: #fff;
}

/* ==================================
   Buttons & Links
   ================================== */

.btn, .link-button {
    display: inline-block;
    padding: 10px 20px;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all 0.3s;
    margin: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 0;
    border: none;
    cursor: pointer;
    font-size: var(--font-sm);
}

.btn:hover, .link-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: rgba(255,255,255,0.1);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.15);
}

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

a:hover {
    text-decoration: underline;
}

/* ==================================
   Form Elements
   ================================== */

input[type="text"],
input[type="search"],
select,
textarea {
    width: 100%;
    padding: 10px 15px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: var(--font-sm);
    font-family: inherit;
}

input[type="text"]:focus,
input[type="search"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255,255,255,0.08);
}

input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-sm);
}

/* ==================================
   Filter Panel
   ================================== */

.filter-panel {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--color-border);
}

.filter-panel h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

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

.filter-group h4 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-md);
    color: var(--color-text);
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.filter-option {
    background: rgba(255,255,255,0.05);
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-size: var(--font-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s;
}

.filter-option:hover {
    background: rgba(255,255,255,0.1);
}

.filter-option.active {
    background: rgba(102, 126, 234, 0.2);
    border-color: var(--color-primary);
}

.filter-count {
    display: inline-block;
    background: rgba(102, 126, 234, 0.2);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: var(--font-sm);
    margin-bottom: var(--spacing-md);
}

/* ==================================
   Sections
   ================================== */

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

.section h2 {
    font-size: var(--font-xl);
    color: var(--color-yellowstone);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-yellowstone);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.subsection {
    margin: 25px 0;
}

.subsection h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-yellowstone);
    border-bottom: 2px solid rgba(247, 147, 30, 0.3);
    padding-bottom: 8px;
}

.trip-section {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--color-border);
}

/* ==================================
   Highlight Boxes
   ================================== */

.highlight-box {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.highlight-box h4 {
    color: var(--color-primary);
    margin-bottom: 12px;
}

.notes {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1) 0%, rgba(192, 57, 43, 0.1) 100%);
    border: 1px solid rgba(231, 76, 60, 0.3);
    border-radius: var(--radius-md);
    padding: 25px;
}

.notes h2 {
    color: var(--color-danger);
    border-color: var(--color-danger);
}

.notes ul {
    list-style: none;
    padding-left: 0;
}

.notes li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}

.notes li::before {
    content: "!";
    position: absolute;
    left: 0;
    color: var(--color-danger);
    font-weight: bold;
}

/* ==================================
   Stats & Metrics
   ================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.stat-box {
    background: linear-gradient(135deg, rgba(247, 147, 30, 0.1) 0%, rgba(255, 107, 53, 0.1) 100%);
    border: 1px solid rgba(247, 147, 30, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
}

.stat-box .number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--color-yellowstone);
    display: block;
}

.stat-box .label {
    font-size: var(--font-sm);
    color: var(--color-text-muted);
    margin-top: 5px;
}

/* ==================================
   Timeline
   ================================== */

.timeline {
    position: relative;
    padding-left: 30px;
    border-left: 2px solid rgba(102, 126, 234, 0.3);
    margin: var(--spacing-lg) 0;
}

.timeline-item {
    margin-bottom: 25px;
    position: relative;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -36px;
    top: 5px;
    width: 12px;
    height: 12px;
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2);
}

.timeline-item h4 {
    color: var(--color-primary);
    margin-bottom: 8px;
}

/* ==================================
   Lists
   ================================== */

.card ul {
    list-style: none;
    padding-left: 0;
    margin-top: var(--spacing-sm);
}

.card ul li {
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
    font-size: var(--font-sm);
    color: var(--color-text-muted);
}

.card ul li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* ==================================
   Itinerary Builder Specific
   ================================== */

.itinerary-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.available-activities {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    max-height: 80vh;
    overflow-y: auto;
}

.itinerary-days {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    max-height: 80vh;
    overflow-y: auto;
}

.day-container {
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-border);
}

.day-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.day-stats {
    font-size: var(--font-xs);
    color: var(--color-text-subtle);
}

.activity-item {
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.activity-item:hover {
    background: rgba(255,255,255,0.08);
    border-color: var(--color-primary);
}

.activity-item.in-itinerary {
    opacity: 0.5;
}

.activity-actions {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

.btn-small {
    padding: 4px 8px;
    font-size: var(--font-xs);
}

/* ==================================
   Modals & Toasts
   ================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    background: var(--color-bg-darker);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid var(--color-border);
}

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

.modal-close {
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
}

.toast {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--color-bg-darker);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-success);
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    z-index: 999;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ==================================
   Utility Classes
   ================================== */

.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--color-text-muted);
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* ==================================
   Footer
   ================================== */

footer {
    text-align: center;
    padding: var(--spacing-xl);
    color: #666;
    font-size: var(--font-sm);
    margin-top: 50px;
}

/* ==================================
   Print Styles
   ================================== */

@media print {
    body {
        background: white;
        color: black;
    }

    .main-nav,
    .filter-panel,
    .breadcrumb,
    .btn,
    .link-button {
        display: none !important;
    }

    .card,
    .trip-card,
    .activity-card {
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }

    a {
        color: black;
        text-decoration: underline;
    }
}

/* ==================================
   Responsive Styles
   ================================== */

@media (max-width: 1024px) {
    .itinerary-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: var(--font-xxl);
    }

    .header-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .nav-links {
        flex-direction: column;
        align-items: center;
    }

    .grid-2,
    .grid-3,
    .grid-4,
    .trips-grid {
        grid-template-columns: 1fr;
    }

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

    .activity-meta {
        flex-direction: column;
        gap: 5px;
    }

    .filter-options {
        flex-direction: column;
    }

    .trip-header-meta {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container,
    .container-wide {
        padding: var(--spacing-sm);
    }

    header {
        padding: 30px 15px;
    }

    header h1 {
        font-size: var(--font-xl);
    }
}