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

:root {
    --primary-color: #8b5a2b;
    --primary-hover: #6b4423;
    --secondary-color: #a0826d;
    --secondary-hover: #8b6f5a;
    --background-color: #faf7f2;
    --surface-color: #f5f0e8;
    --text-color: #5d4037;
    --text-secondary: #8d6e63;
    --border-color: #e6ddd4;
    --shadow-sm: 0 1px 2px 0 rgb(139 90 43 / 0.08);
    --shadow-md: 0 4px 6px -1px rgb(139 90 43 / 0.12), 0 2px 4px -2px rgb(139 90 43 / 0.08);
    --shadow-lg: 0 10px 15px -3px rgb(139 90 43 / 0.15), 0 4px 6px -4px rgb(139 90 43 / 0.1);
    --radius: 0.5rem;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --navbar-height: 72px;
}


html {
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    min-height: 100vh;
    overflow-x: hidden;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

/* Navigation */
.navbar {
    background-color: var(--background-color);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    row-gap: var(--spacing-sm);
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
}

.navbar h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.navbar h1 a {
    text-decoration: none;
    color: inherit;
}

.mobile-header-bar {
    display: none;
}

.mobile-header-bar a {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
}

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

.nav-link,
.cart-link {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius);
    transition: all 0.2s ease;
    white-space: nowrap;
    font-size: 0.9rem;
}

.nav-icon {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
}

.nav-icon svg {
    width: 24px;
    height: 24px;
}

.nav-label {
    display: inline-block;
    font-weight: 500;
}

.nav-badge {
    position: absolute;
    top: -0.28rem;
    right: -0.55rem;
    min-width: 1.1rem;
    height: 1.1rem;
    padding: 0 0.25rem;
    border-radius: 999px;
    background-color: rgba(255, 255, 255, 0.65);
    color: var(--primary-color);
    font-size: 0.65rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.nav-link:hover,
.nav-link.active,
.cart-link:hover,
.cart-link.active {
    background-color: var(--surface-color);
    color: var(--primary-color);
}

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

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.hero h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.followup-note {
    text-align: center;
    color: var(--text-color);
    max-width: 600px;
    margin: 16px auto 0;
    font-size: 0.95rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1.4;
    min-height: 2.5rem;
}

.btn .btn-spinner {
    width: 1em;
    height: 1em;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: rgba(255, 255, 255, 0.85);
    border-radius: 50%;
    margin-right: 8px;
    display: none;
}

.btn.primary .btn-spinner {
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: rgba(255, 255, 255, 0.85);
}

.btn.secondary .btn-spinner {
    border: 2px solid rgba(15, 23, 42, 0.15);
    border-top-color: rgba(15, 23, 42, 0.45);
}

.btn.is-loading .btn-spinner {
    display: inline-block;
    animation: btn-spin 0.8s linear infinite;
}

.btn.is-loading .btn-label {
    opacity: 0.8;
}

.btn.is-loading {
    pointer-events: none;
}

@keyframes btn-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

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

.btn.secondary {
    background-color: var(--surface-color);
    color: var(--secondary-color);
    border: 1px solid var(--border-color);
}

.btn.secondary:hover:not(:disabled) {
    background-color: var(--secondary-hover);
    color: white;
}

.btn.disabled {
    background-color: #d6c4b0;
    color: #8b6f5a;
    cursor: not-allowed;
    opacity: 0.7;
    border: 1px solid #c4b29a;
}

.btn.disabled:hover {
    background-color: #d6c4b0;
    color: #8b6f5a;
    transform: none;
}

.scroll-top-btn {
    position: fixed;
    right: 1.5rem;
    bottom: 4.5rem;
    width: 3.5rem;
    height: 3.5rem;
    border: none;
    border-radius: 50%;
    background-color: rgba(139, 90, 43, 0.78);
    color: #fff;
    font-size: 1.75rem;
    line-height: 1;
    display: grid;
    place-items: center;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    transform: translateY(1rem);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease, background-color 0.2s ease;
    z-index: 999;
}

.scroll-top-btn.is-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.scroll-top-btn:focus-visible {
    outline: 2px solid var(--primary-hover);
    outline-offset: 2px;
}

@media (hover: hover) and (pointer: fine) {
    .scroll-top-btn:hover {
        background-color: var(--primary-hover);
    }
}

@media (max-width: 600px) {
    .scroll-top-btn {
        right: 1.25rem;
        bottom: 3.75rem;
        width: 3rem;
        height: 3rem;
        font-size: 1.5rem;
    }
}

/* Events Grid */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.event-card {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    overflow: hidden;
    cursor: pointer;
}

.event-card:not([onclick]) {
    cursor: default;
}

.event-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--surface-color);
}

.event-flyer {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.2s ease;
}

@media (hover: hover) and (pointer: fine) {
    .event-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }

    .event-card:not([onclick]):hover {
        box-shadow: var(--shadow-sm);
        transform: none;
    }

    .event-card:hover .event-flyer {
        transform: scale(1.05);
    }

    .photo-item:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-3px);
    }
}

.event-card-content {
    padding: var(--spacing-lg);
}

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

.event-card-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.event-card-header time {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.event-card-body {
    margin-bottom: var(--spacing-lg);
}

.event-card-body p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.event-card-footer {
    display: flex;
    justify-content: flex-end;
}

/* Event Page */
.event-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-lg);
    margin-bottom: calc(var(--spacing-xl) * 1.25);
    flex-wrap: wrap;
    gap: var(--spacing-xl);
}

.event-header h2 {
    font-size: 2rem;
    font-weight: 700;
}

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

#add-to-cart-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    white-space: nowrap;
}

#add-to-cart-btn .selected-count-display {
    display: inline-flex;
    align-items: center;
    gap: 0.1rem;
}

.event-page #add-to-cart-btn {
    margin-left: auto;
    position: sticky;
    top: calc(var(--navbar-height) + var(--spacing-md));
    z-index: 150;
    box-shadow: var(--shadow-md);
}

.event-page #add-to-cart-btn[disabled] {
    opacity: 0.8;
    box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
    .event-page #add-to-cart-btn {
        position: static;
        width: 100%;
        box-shadow: none;
    }
}

.event-page .photo-info {
    flex-direction: column;
    align-items: stretch;
}

.event-page .photo-name {
    width: 100%;
    white-space: normal;
    text-overflow: initial;
    overflow: visible;
}

.event-page .photo-cart-actions {
    width: 100%;
}

.event-page .photo-cart-actions .btn {
    width: 100%;
    justify-content: center;
}

/* Photos Grid */
.photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    contain: layout;
}

.photo-item {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    will-change: transform;
}

.photo-item.selected {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-color);
}

.photo-item.in-cart {
    border-color: #f4b20f;
    box-shadow: 0 0 0 3px rgba(244, 178, 15, 0.55);
}

.photo-item.selected.in-cart {
    border-color: #c48804;
    box-shadow: 0 0 0 3px rgba(196, 136, 4, 0.65);
}

.photo-item.in-cart {
    opacity: 0.6;
    border-color: #ccc;
}

.photo-item.in-cart .photo-thumbnail {
    filter: grayscale(50%);
}

.photo-item.favorite {
    border: 2px solid rgba(255, 193, 7, 0.7);
    box-shadow: 0 0 0 3px rgba(255, 208, 70, 0.35);
}

.cart-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background-color: var(--primary-color);
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.7rem;
    font-weight: 500;
    z-index: 10;
}

.photo-container {
    position: relative;
    aspect-ratio: 3 / 4;
    touch-action: pan-y;
}

.photo-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
    background-color: var(--surface-color);
    border-radius: var(--radius);
    touch-action: pan-y;
}

/* Image loading optimizations */
.photo-thumbnail {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Image protection */
.photo-thumbnail,
#lightbox-image,
.cart-item-image img {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
    pointer-events: auto;
}

.photo-thumbnail[loading] {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="400" height="300" viewBox="0 0 400 300"><rect width="400" height="300" fill="%23f0f0f0"/><circle cx="200" cy="150" r="20" fill="%23ccc"><animate attributeName="opacity" values="0;1;0" dur="1.5s" repeatCount="indefinite"/></circle></svg>');
    background-size: cover;
    background-position: center;
}

@media (hover: hover) and (pointer: fine) {
    .photo-item:hover {
        box-shadow: var(--shadow-md);
    }
}

.photo-checkbox {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    z-index: 10;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.favorite-toggle {
    border: none;
    background-color: rgba(255, 255, 255, 0.95);
    width: 1.75rem;
    height: 1.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--secondary-color);
    cursor: pointer;
    transition: transform 0.2s ease, color 0.2s ease, background-color 0.2s ease;
    border-radius: calc(var(--radius) / 1.5);
    box-shadow: var(--shadow-sm);
    padding: calc(var(--spacing-xs) / 2);
    line-height: 1;
}

.favorite-toggle:hover {
    transform: scale(1.05);
    color: var(--primary-color);
    background-color: rgba(255, 255, 255, 1);
}

.favorite-toggle.active {
    color: var(--primary-color);
}

.favorite-toggle:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.photo-select {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs);
    border-radius: calc(var(--radius) / 1.5);
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.photo-select input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
    flex-shrink: 0;
}

.photo-info {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--surface-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
}

.photo-name {
    font-size: 0.95rem;
    color: var(--text-color);
    font-weight: 500;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

.photo-item.favorite .photo-name {
    display: inline-flex;
}

.photo-actions-inline .btn {
    padding: calc(var(--spacing-xs) + 2px) var(--spacing-md);
    font-size: 0.8rem;
    white-space: nowrap;
    min-height: auto;
}

.photo-link {
    font-size: 0.85rem;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
}

.photo-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.favorites-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.favorite-section {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background-color: var(--background-color);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
}

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

.favorite-header-info {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-xs) / 2);
}

.favorite-back-btn {
    white-space: nowrap;
}

.favorite-section-header h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-color);
}

.favorite-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.favorite-section .photos-grid {
    margin-top: var(--spacing-md);
}

.favorites-actions {
    margin-top: var(--spacing-md);
}

.favorites-actions .btn {
    min-width: 220px;
}

/* Lightbox Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.modal-close {
    position: absolute;
    top: calc(var(--spacing-sm) * 0.6);
    right: calc(var(--spacing-sm) * 0.4);
    width: auto;
    height: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border-radius: 0;
    border: none;
    color: #fff;
    font-size: 2.3rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    backdrop-filter: none;
    transition: color 0.2s ease, transform 0.2s ease;
}

.modal-close span {
    display: inline-block;
    position: relative;
    left: -0.6rem;
    top: -0.12rem;
}

.modal-close:hover {
    background: none;
    color: rgba(255, 255, 255, 0.85);
    transform: scale(1.05);
}

#lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.modal-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    justify-content: center;
}

#photo-counter {
    color: white;
    font-weight: 500;
    min-width: 80px;
    text-align: center;
}

/* Cart Page */
.cart-header {
    margin-bottom: var(--spacing-xl);
}

.cart-header h2 {
    font-size: 2rem;
    font-weight: 700;
}

.cart-total {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.cart-total h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.total-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.cart-summary {
    margin-bottom: var(--spacing-lg);
}

.cart-summary h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.cart-items-grid {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}


.cart-item {
    display: flex;
    align-items: stretch;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--surface-color);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.cart-item-image {
    flex-shrink: 0;
    width: 110px;
}

.cart-item-image img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: calc(var(--radius) / 1.1);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.cart-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    justify-content: flex-start;
    align-items: flex-start;
    position: relative;
    padding-bottom: calc(var(--spacing-lg) * 2.2);
}

.cart-item-name {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

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

.cart-item-value {
    color: var(--primary-color);
    font-weight: 700;
}

.cart-item-remove-btn {
    margin-top: auto;
    align-self: flex-end;
    position: absolute;
    right: 0;
    bottom: 0;
    padding: 0.45rem 0.9rem;
    border-radius: calc(var(--radius) / 1.2);
    border: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.92);
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.cart-item-remove-btn:hover {
    background-color: var(--surface-color);
    color: var(--primary-hover);
    transform: translateY(-1px);
}


/* Forms */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.form-group input.error,
.form-group select.error {
    border-color: #dc2626;
}

.form-note {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-state p {
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

/* Error Messages */
.error-message {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.error-message p {
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

.no-events,
.no-photos {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .navbar {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .navbar h1 {
        font-size: 1.4rem;
        flex-basis: 100%;
    }

    .nav-links {
        justify-content: flex-start;
        column-gap: var(--spacing-sm);
    }

    .hero h2 {
        font-size: 2.1rem;
    }

    .events-grid {
        gap: var(--spacing-lg);
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }

    .photos-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    body {
        font-size: 0.95rem;
    }

    .navbar {
        align-items: flex-start;
        padding: var(--spacing-md);
    }

    .navbar h1 {
        font-size: 1.3rem;
        margin-bottom: var(--spacing-xs);
    }

    .nav-links {
        width: 100%;
        justify-content: flex-start;
        gap: var(--spacing-sm);
    }

    .nav-link,
    .cart-link {
        font-size: 0.9rem;
        padding: var(--spacing-xs) var(--spacing-sm);
        border: 1px solid var(--border-color);
        border-radius: calc(var(--radius) / 1.2);
        background-color: rgba(255, 255, 255, 0.85);
    }

    .hero {
        margin-bottom: var(--spacing-xl);
    }

    .hero h2 {
        font-size: 1.9rem;
    }

    .events-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--spacing-lg);
    }

    .event-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .event-controls {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .photos-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: var(--spacing-md);
    }

    .photo-info {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .photo-name {
        white-space: normal;
    }

    .modal-content {
        max-width: 95vw;
        max-height: 95vh;
    }

    .modal-nav {
        flex-wrap: nowrap;
        gap: var(--spacing-sm);
        justify-content: center;
    }

    .cart-item {
        flex-direction: row;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .cart-item-image {
        width: 95px;
    }

    .cart-item-image img {
        height: 150px;
        width: 100%;
        object-fit: cover;
        border-radius: calc(var(--radius) / 1.3);
    }

    .cart-item-info {
        gap: var(--spacing-xs);
        padding-bottom: calc(var(--spacing-lg) * 2.8);
    }

    .cart-item-remove-btn {
        padding: 0.35rem 0.75rem;
        font-size: 0.85rem;
    }

    .form-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
    }

    .form-actions .btn {
        width: 100%;
    }

    .form-row {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 640px) {
    body {
        padding-bottom: 5.5rem;
    }

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

    .mobile-header-bar {
        display: flex;
        justify-content: center;
        align-items: center;
        position: sticky;
        top: 0;
        left: 0;
        right: 0;
        padding: var(--spacing-sm) var(--spacing-md);
        background-color: var(--background-color);
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-sm);
        z-index: 950;
    }

    .navbar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        flex-direction: column;
        align-items: center;
        gap: 0;
        padding: var(--spacing-sm) var(--spacing-lg);
        background-color: var(--background-color);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 -6px 12px rgba(0, 0, 0, 0.08);
        z-index: 900;
    }

    .navbar h1 {
        display: none;
    }

    .nav-links {
        width: 100%;
        justify-content: space-around;
        gap: var(--spacing-sm);
    }

    .nav-link,
    .cart-link {
        flex: 1 1 33%;
        flex-direction: column;
        gap: 0.35rem;
        padding: var(--spacing-xs);
        background: none;
        border-radius: 0;
        color: var(--text-secondary);
    }

    .nav-link:hover,
    .nav-link.active,
    .cart-link:hover,
    .cart-link.active {
        background: none;
        color: var(--primary-color);
    }

    .nav-label {
        display: none;
    }

    .nav-badge {
        top: -0.35rem;
        right: -0.5rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .events-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .photos-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--spacing-md);
    }

    .event-controls {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: var(--spacing-sm);
    }

    .event-controls .btn {
        width: 100%;
    }

    .modal-content {
        max-width: 95vw;
        max-height: 92vh;
    }

    .modal-nav {
        flex-wrap: nowrap;
        gap: var(--spacing-sm);
        justify-content: center;
    }

    .cart-item {
        gap: var(--spacing-sm);
    }

    .cart-item-image {
        width: 85px;
    }

    .cart-item-image img {
        height: 140px;
        border-radius: calc(var(--radius) / 1.6);
    }

    .cart-item-remove-btn {
        padding: 0.3rem 0.6rem;
        font-size: 0.8rem;
    }

    body.event-list-page header,
    body.event-page header {
        margin-bottom: var(--spacing-sm);
    }

    body.event-list-page .container,
    body.event-page .container {
        padding-top: var(--spacing-md);
    }

    body.event-list-page .hero {
        margin-bottom: var(--spacing-lg);
    }

    body.event-page .event-header {
        margin-top: 0;
        margin-bottom: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    html {
        font-size: 15px;
    }

    .nav-links {
        flex-direction: row;
        gap: var(--spacing-xs);
    }

    .nav-link,
    .cart-link {
        flex: 1 1 auto;
        width: auto;
        font-size: 0.8rem;
    }

    .hero h2 {
        font-size: 1.6rem;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .event-header h2 {
        font-size: 1.3rem;
    }

    .event-controls {
        gap: var(--spacing-xs);
    }

    .photos-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .event-card-image {
        height: 180px;
    }

    .btn {
        width: 100%;
    }

    .modal-nav {
        flex-direction: row;
        gap: var(--spacing-sm);
        flex-wrap: nowrap;
        justify-content: center;
    }
}
/* Focus Styles for Accessibility */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus,
input:focus,
select:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}


/* Purchase Guide Styles */
.purchase-flow {
    margin: var(--spacing-2xl) 0;
}

.flow-steps {
    display: grid;
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.flow-step {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
    padding: var(--spacing-lg);
    background-color: var(--surface-color);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.step-number {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

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

.purchase-info {
    margin: var(--spacing-2xl) 0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.info-card {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.info-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.info-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.info-card ul {
    list-style: none;
    padding: 0;
}

.info-card li {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-md);
    position: relative;
}

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

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

.info-card a:hover {
    text-decoration: underline;
}

.cta-section {
    text-align: center;
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-2xl);
    background-color: var(--surface-color);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.cta-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.cta-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

/* Print Styles */
@media print {
    .navbar,
    .modal,
    .btn {
        display: none !important;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    .photos-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}