/* Mobile-first CSS for photography course booking platform */

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

:root {
    /* Light mode colors (default) */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #1a1a1a;
    --text-secondary: #666;
    --header-bg: #ffffff;
    --header-text: #1a1a1a;
    --border-color: #e0e0e0;
    --shadow: rgba(0, 0, 0, 0.1);
    --primary-color: #4a9eff;
    --primary-hover: #6bb0ff;
}

[data-theme="dark"] {
    /* Dark mode colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --header-bg: #1a1a1a;
    --header-text: #ffffff;
    --border-color: #404040;
    --shadow: rgba(0, 0, 0, 0.3);
    --primary-color: #4a9eff;
    --primary-hover: #6bb0ff;
    --error-bg: #4a1a1a;
    --error-text: #ff6b6b;
}

/* Respect system preference by default */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d2d;
        --text-primary: #ffffff;
        --text-secondary: #b0b0b0;
        --header-bg: #1a1a1a;
        --header-text: #ffffff;
        --border-color: #404040;
        --shadow: rgba(0, 0, 0, 0.3);
        --primary-color: #4a9eff;
        --primary-hover: #6bb0ff;
        --error-bg: #4a1a1a;
        --error-text: #ff6b6b;
    }
}

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

/* Site chrome only — do not use bare `header` (would match article/section headers e.g. .venue-header) */
body > header {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 1rem 2rem;
    box-shadow: 0 2px 4px var(--shadow);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    position: sticky;
    top: 0;
    /* Above page UI (e.g. course list map sheet z-index ~1010); below modals (e.g. gallery 10000) */
    z-index: 1200;
}

/* Header iOS glass effect on homepage - positioned fixed to overlay hero */
body.homepage > header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1200;
    background: rgba(255, 255, 255, 0.90);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1), 
                inset 0 1px 0 rgba(255, 255, 255, 0.4);
    transition: background 0.3s ease, border-bottom-color 0.3s ease;
}

/* Scrolled state - reduced opacity */
body.homepage > header.scrolled {
    background: rgba(255, 255, 255, 0.50);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] body.homepage > header {
    background: rgba(26, 26, 26, 0.90);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] body.homepage > header.scrolled {
    background: rgba(26, 26, 26, 0.50);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) body.homepage > header {
        background: rgba(26, 26, 26, 0.90);
        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 
                    inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }
    
    :root:not([data-theme="light"]) body.homepage > header.scrolled {
        background: rgba(26, 26, 26, 0.50);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
}

body > header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--header-text);
    font-size: 1.5rem;
    font-weight: 700;
    transition: opacity 0.2s ease;
}

.logo-link:hover {
    opacity: 0.8;
}

.logo-img {
    height: 32px;
    width: auto;
    max-width: auto;
    object-fit: contain;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.nav-end {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--header-text);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.nav-links a:hover {
    background-color: var(--bg-secondary);
    text-decoration: none;
}

.nav-logout-form {
    display: inline;
    margin: 0;
}

.nav-logout-btn {
    background: none;
    border: none;
    color: var(--header-text);
    font: inherit;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.nav-logout-btn:hover {
    background-color: var(--bg-secondary);
}

.nav-menu .nav-logout-form {
    display: block;
    width: 100%;
}

.nav-menu .nav-logout-btn {
    width: 100%;
    text-align: left;
    padding: 0.75rem 1rem;
}

.nav-gift-icon {
    display: none;
    vertical-align: middle;
}
.nav-gift-icon svg {
    display: inline-block;
    vertical-align: middle;
}

/* Mobile-only gift icon (desktop uses gift in .nav-links) */
.nav-mobile-gift {
    display: none;
    align-items: center;
}

.nav-burger-wrap {
    position: relative;
    display: flex;
    align-items: center;
    /* Ensure dropdown stacks above sibling nav links inside the header */
    z-index: 2;
}

.nav-burger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--header-text);
}
.burger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
}
.nav-gift-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--header-text);
    padding: 0.5rem;
}
.nav-gift-mobile:hover {
    opacity: 0.8;
}
.nav-gift-mobile svg {
    display: block;
}

/* Gift promo: Giftcards label */
.nav-gift-wrap {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
}
.nav-gift-label {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%);
    font-size: 1rem;
    font-weight: 600;
    white-space: nowrap;
    color: var(--header-text);
    background: var(--header-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 0.35rem 0.75rem;
    box-shadow: 0 4px 12px var(--shadow);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.nav-gift-label::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid var(--header-bg);
}
.nav-gift-wrap.gift-promo .nav-gift-label {
    opacity: 1;
}

/* Giftcards label: only show on mobile */
@media (min-width: 768px) {
    .nav-links .nav-gift-label {
        display: none !important;
    }
}
.nav-gift-wrap.gift-promo {
    overflow: visible;
}
.nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    background: var(--header-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 8px 24px var(--shadow);
    padding: 0.5rem;
    margin-top: 0.5rem;
    flex-direction: column;
    z-index: 3;
}
.nav-menu.open {
    display: flex;
}
.nav-menu a {
    color: var(--header-text);
    text-decoration: none;
    padding: 0.75rem 1rem;
    border-radius: 4px;
    font-weight: 500;
}
.nav-menu a:hover {
    background: var(--bg-secondary);
}

/* Desktop burger menu: only FAQ + Contact (Explore/Gift stay in the bar) */
@media (min-width: 768px) {
    .nav-menu-mobile-only {
        display: none !important;
    }
}

@media (max-width: 767px) {
    .nav-links {
        display: none;
    }
    .nav-mobile-gift {
        display: flex;
    }
    body > header nav {
        position: relative;
    }
}

/* Main content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

/* Adjust main content on homepage since header is fixed */
body.homepage main {
    padding-top: 0;
}

/* Course Detail Page */
.course-detail {
    max-width: 900px;
    margin: 0 auto;
}

.course-detail h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.course-header-gallery,
.course-header-single {
    width: 100%;
    max-width: 800px;
    margin: 0 auto 2rem auto;
}

.course-header-slider,
.course-header-single {
    position: relative;
    width: 100%;
    aspect-ratio: 500 / 200;
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-secondary, #f1f3f5);
}

.course-header-slider {
    position: relative;
}

.course-header-thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
    justify-content: center;
}

.course-header-thumb {
    flex: 0 0 auto;
    width: 5rem;
    aspect-ratio: 500 / 200;
    height: auto;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    background: var(--bg-secondary, #f5f5f5);
    opacity: 0.72;
    transition: border-color 0.15s ease, opacity 0.15s ease, box-shadow 0.15s ease;
}

.course-header-thumb:hover {
    opacity: 1;
}

.course-header-thumb.active {
    border-color: var(--accent-color, #0066cc);
    opacity: 1;
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.2);
}

.course-header-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.course-header-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    z-index: 0;
}
.course-header-slide.active {
    opacity: 1;
    z-index: 1;
}
.course-header-slider .course-image,
.course-header-single .course-image {
    display: block;
    width: 100%;
    height: 100%;
    margin: 0;
    max-width: none;
    border-radius: 0;
    object-fit: cover;
    object-position: center;
}
.course-image {
    display: block;
    width: 100%;
    max-width: 800px;
    height: auto;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2rem;
    border-radius: 8px;
}

.course-facts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.fact-item {
    display: flex;
    flex-direction: column;
}

.fact-item strong {
    margin-bottom: 0.25rem;
}

.fact-item-locations {
    flex-wrap: wrap;
    grid-column: 1 / -1;
}

.fact-item-locations .location-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.5rem;
    align-items: center;
    margin-top: 0.15rem;
}

/* Shared tag pill (course facts + workshop rows) */
.location-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    white-space: nowrap;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fact-item-locations .location-tag {
    background: var(--bg-primary);
}

[data-theme="dark"] .location-tag {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
}

.instance-location {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.45rem 0.65rem;
    min-width: 0;
}

.instance-location .location-tag-venue {
    flex-shrink: 0;
}

address.instance-address-inline {
    font-size: 0.88rem;
    line-height: 1.45;
    color: var(--text-secondary);
    font-style: normal;
    margin: 0;
    min-width: 0;
    flex: 1 1 12rem;
}

.fact-item-see-courses {
    grid-column: 1 / -1;
    align-items: center;
    flex-direction: row;
    justify-content: flex-start;
    margin-top: 0.5rem;
}

.btn-see-courses {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--primary-color, #4a9eff);
    color: #fff !important;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    transition: all 0.2s ease;
}

.btn-see-courses:hover {
    background-color: var(--primary-hover, #6bb0ff);
    transform: translateY(-1px);
}
@media (max-width: 767px) {
    .fact-item-see-courses {
        display: none;
    }
}

.course-description,
.course-content-tabs,
.course-media,
.what-youll-learn,
.audience,
.prerequisites,
.instructor,
.course-instances,
.faqs {
    margin-bottom: 2rem;
}

/* Course / workshop tabs (location-specific workshop page) */
.course-content-tabs {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-primary);
}

.course-tabs-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.course-tab-btn {
    flex: 1 1 auto;
    min-width: 10rem;
    padding: 0.9rem 1.25rem;
    border: none;
    border-bottom: 3px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.course-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.03);
}

.course-tab-btn.is-active {
    color: var(--primary-color, #0066cc);
    border-bottom-color: var(--primary-color, #0066cc);
    background: var(--bg-primary);
}

.course-tab-panels {
    padding: 1.5rem;
}

.course-tab-panel[hidden] {
    display: none;
}

.course-tab-empty {
    margin: 0;
    color: var(--text-secondary);
}

.workshop-venue-details {
    margin-bottom: 1.75rem;
    padding-bottom: 1.75rem;
    border-bottom: 1px solid var(--border-color);
}

.workshop-venue-details__title {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
    color: var(--text-primary);
}

.workshop-venue-details__address {
    margin: 0 0 0.75rem;
    font-style: normal;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.workshop-venue-details__city {
    font-weight: 600;
    color: var(--text-primary);
}

/* Rich text content from CKEditor - match admin panel typography */
.course-main-content {
    line-height: 1.7;
    color: var(--text-secondary);
}
.course-main-content p {
    margin-bottom: 1.25rem;
}
.course-main-content p:last-child {
    margin-bottom: 0;
}
.course-main-content p + p {
    margin-top: 0;
}
/* Tighter spacing when a label (e.g. "Content:") immediately precedes a list */
.course-main-content p:has(+ ul),
.course-main-content p:has(+ ol) {
    margin-bottom: 0.5rem;
}
.course-main-content h2,
.course-main-content h3,
.course-main-content h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-weight: 600;
}
.course-main-content h2 { font-size: 1.35rem; }
.course-main-content h3 { font-size: 1.2rem; }
.course-main-content h4 { font-size: 1.1rem; }
.course-main-content h2:first-child,
.course-main-content h3:first-child,
.course-main-content h4:first-child {
    margin-top: 0;
}
/* Bullet and numbered lists - proper alignment like admin panel */
.course-main-content ul,
.course-main-content ol {
    margin: 1rem 0 1.25rem 0;
    padding-left: 2rem;
    list-style-position: outside;
}
.course-main-content ul {
    list-style-type: disc;
}
.course-main-content ol {
    list-style-type: decimal;
}
.course-main-content li {
    margin-bottom: 0.5rem;
    padding-left: 0.25rem;
    display: list-item;
}
/* CKEditor wraps list item text in <p> - remove p margins so bullets align correctly */
.course-main-content li p {
    margin: 0;
    display: inline;
}
.course-main-content li p + p {
    margin-top: 0.5rem;
    display: block;
}
.course-main-content ul ul,
.course-main-content ol ol {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}
.course-main-content strong,
.course-main-content b {
    font-weight: 600;
    color: var(--text-primary);
}
.course-main-content a {
    color: var(--primary-color, #4a9eff);
    text-decoration: underline;
}
.course-main-content a:hover {
    text-decoration: none;
}

.course-media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.course-media-item {
    margin: 0;
}

.course-media-item img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}

.course-media-item figcaption {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Gallery image hover and click */
.course-media-image.gallery-image {
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.course-media-image.gallery-image:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 24px var(--shadow);
}
.course-media-image.gallery-image:focus {
    outline: 2px solid var(--primary-color, #4a9eff);
    outline-offset: 2px;
}

/* Gallery modal */
.gallery-modal {
    display: none;
    position: fixed;
    animation: galleryModalFadeIn 0.2s ease;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.85);
    align-items: center;
    justify-content: center;
    padding: 4rem;
}
.gallery-modal.open {
    display: flex;
}
.gallery-modal-content {
    min-width: 800px;
    max-width: min(1400px, 90vw);
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}
.gallery-modal-content img {
    min-width: 700px;
    max-width: 100%;
    max-height: 75vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
}
@media (max-width: 900px) {
    .gallery-modal-content {
        min-width: 0;
        max-width: 95vw;
    }
    .gallery-modal-content img {
        min-width: 0;
        width: 100%;
    }
}
.gallery-modal-caption {
    margin-top: 1rem;
    color: var(--text-primary);
    font-size: 1rem;
    text-align: center;
}
.gallery-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 48px;
    height: 48px;
    font-size: 2rem;
    line-height: 1;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background 0.2s ease;
}
.gallery-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
}
.gallery-modal-prev,
.gallery-modal-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    font-size: 2rem;
    line-height: 1;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background 0.2s ease;
}
.gallery-modal-prev {
    left: 1rem;
}
.gallery-modal-next {
    right: 1rem;
}
.gallery-modal-prev:hover,
.gallery-modal-next:hover {
    background: rgba(255, 255, 255, 0.3);
}
@keyframes galleryModalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.course-media-video .video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.course-media-video .video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
   border-radius: 8px;
}

.course-media-video video {
    width: 100%;
    border-radius: 8px;
}

.course-detail h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.what-youll-learn ul {
    list-style-position: inside;
    padding-left: 0;
}

.what-youll-learn li {
    margin-bottom: 0.5rem;
}

/* Instructor Profile */
.instructor-profile {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.instructor-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
}

.instructor-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

/* Workshops — date/location filters (aligned with course list filter panel) */
.course-instances-filters {
    margin-bottom: 1.5rem;
    padding: 1.25rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow);
}

.course-instances-filters-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.875rem;
    border-bottom: 1px solid var(--border-color);
}

.course-instances-filters-title {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.course-instances-filters-icon {
    flex-shrink: 0;
    color: var(--primary-color);
    opacity: 0.9;
}

.course-instances-filters-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    align-items: end;
}

@media (min-width: 768px) {
    .course-instances-filters-form {
        display: flex;
        flex-wrap: nowrap;
        gap: 0.875rem;
        align-items: flex-end;
    }

    .course-instances-filters-form .filter-group {
        flex: 1 1 0;
        min-width: 0;
    }

    .course-instances-filters-form--with-location .filter-group:first-child {
        flex: 1.6 1 0;
    }

    .course-instances-filters-form .filter-date-input {
        min-width: 0;
    }
}

.course-instances-filters .filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 0;
}

.course-instances-filters .filter-label {
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
}

.course-instances-filters .filter-input,
.course-instances-filters .filter-select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    min-height: 2.5rem;
}

.course-instances-filters .filter-input:focus,
.course-instances-filters .filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.15);
}

.course-instances-filters .filter-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

[data-theme="dark"] .course-instances-filters .filter-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23b0b0b0' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

.course-instances-filters .filter-date-input {
    color-scheme: light;
}

[data-theme="dark"] .course-instances-filters .filter-date-input {
    color-scheme: dark;
}

.course-instances-filters .filter-date-input::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.65;
}

.course-instances-filters .filter-date-input:hover::-webkit-calendar-picker-indicator,
.course-instances-filters .filter-date-input:focus::-webkit-calendar-picker-indicator {
    opacity: 1;
}

.course-instances-filter-clear {
    flex-shrink: 0;
    padding: 0.5rem 1rem;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    white-space: nowrap;
}

.course-instances-filter-clear:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.course-instances-filter-summary {
    margin: 0.875rem 0 0;
    padding-top: 0.875rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.course-instances-no-matches {
    margin: 0 0 1rem;
    padding: 1rem 1.25rem;
    border-radius: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.city-group {
    margin-bottom: 2rem;
}

.city-group h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.instance-list {
    list-style: none;
    padding: 0;
}

.instance-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    align-items: start;
    background-color: var(--bg-primary);
    position: relative;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.instance-item:hover {
    border-color: var(--primary-color, #0066cc);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.instance-card-link {
    position: absolute;
    inset: 0;
    z-index: 1;
    border-radius: inherit;
    text-decoration: none;
}

.instance-card-link:focus {
    outline: 2px solid var(--primary-color, #0066cc);
    outline-offset: 2px;
}

.instance-col-main,
.instance-col-byline {
    position: relative;
    z-index: 0;
}

.instance-book a,
.instance-book .status-badge,
.instance-byline-toggle {
    position: relative;
    z-index: 2;
}

.instance-col-main {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.instance-col-main .instance-location {
    margin: 0;
}

.instance-spaces {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.instance-book {
    margin-top: 0.25rem;
}

.instance-book .btn-book {
    width: 100%;
    max-width: 16rem;
    text-align: center;
    box-sizing: border-box;
}

.instance-col-byline {
    min-width: 0;
}

.instance-link {
    text-decoration: none;
    color: inherit;
    display: block;
    transition: opacity 0.2s ease;
}

.instance-link:hover {
    opacity: 0.8;
}

.instance-link:focus {
    outline: 2px solid var(--primary-color, #0066cc);
    outline-offset: 2px;
    border-radius: 4px;
}

.instance-date strong {
    font-size: 1.125rem;
    display: block;
    margin-bottom: 0.25rem;
}

.instance-byline {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.instance-byline-preview,
.instance-byline-full {
    margin: 0;
}

.instance-byline p {
    margin: 0 0 0.35rem;
}

.instance-byline p:last-child {
    margin-bottom: 0;
}

.instance-byline-toggle {
    margin-top: 0.5rem;
    padding: 0;
    border: none;
    background: none;
    color: var(--primary-color, #0066cc);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
}

.instance-byline-toggle:hover {
    opacity: 0.85;
}

.venue-instance-link .instance-byline {
    display: block;
    margin-top: 0.35rem;
}

.instance-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color, #0066cc);
}

.instance-item .instance-book .status-badge {
    display: inline-block;
}

.instance-actions {
    margin-top: 0.5rem;
}

.btn-book,
.btn-primary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color, #4a9eff);
    color: #fff !important;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-book:hover,
.btn-primary:hover {
    background-color: var(--primary-hover, #6bb0ff);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(74, 158, 255, 0.3);
}

.status-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: 500;
}

.status-badge.full {
    background-color: #f0f0f0;
    color: #666;
}

.status-badge.closed {
    background-color: #ffe0e0;
    color: #cc0000;
}

/* FAQs */
.faqs dl {
    margin: 0;
}

.faqs dt {
    font-weight: bold;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.faqs dd {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

/* Course List Page */
.course-list-page h1 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.filters {
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.filters form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.filter-group input,
.filter-group select {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Footer */
footer,
.site-footer {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.site-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    text-align: center;
}

.site-footer-nav {
    margin-bottom: 1.25rem;
}

.site-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.5rem 1rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
}

.site-footer-links a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.site-footer-copy {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* HTML site map page (/site-map/) */
.site-map-page {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1rem 3rem;
}

.site-map-header h1 {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.site-map-lead {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.site-map-section {
    margin-bottom: 2rem;
}

.site-map-section h2 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.site-map-list {
    margin: 0;
    padding-left: 1.25rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.site-map-list a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.site-map-list a:hover {
    text-decoration: underline;
}

.site-map-xml p {
    color: var(--text-secondary);
    line-height: 1.65;
    margin: 0;
}

.site-map-xml a {
    color: var(--primary-color);
}

/* Pagination */
.pagination {
    display: flex;
    gap: 1rem;
    justify-content: center;
    list-style: none;
    padding: 0;
}

.pagination a {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-decoration: none;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.2s ease;
}

.pagination a:hover {
    background-color: var(--bg-secondary);
}

/* Floating Book Now bar - mobile only on workshop (location-specific) pages */
.floating-book-bar {
    display: none;
}
@media (max-width: 767px) {
    .course-instances-filters {
        padding: 1rem;
    }

    .course-instances-filters-header {
        flex-wrap: wrap;
    }

    .course-instances-filter-clear {
        width: 100%;
    }

    .floating-book-bar {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 999;
        padding: 1rem;
        background: var(--bg-primary);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 -4px 12px var(--shadow);
        transition: transform 0.3s ease;
    }
    .floating-book-bar.scrolled-to-bottom {
        transform: translateY(100%);
        pointer-events: none;
    }
}
@media (min-width: 768px) {
    .floating-book-bar {
        display: none !important;
    }
}
.floating-book-btn {
    display: block;
    width: 100%;
    padding: 1rem 1.5rem;
    background-color: var(--primary-color, #4a9eff);
    color: #fff !important;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    text-align: center;
    transition: background-color 0.2s ease;
}
.floating-book-btn:hover {
    background-color: var(--primary-hover, #6bb0ff);
}

/* Mobile Responsive */
@media (max-width: 767px) {
    body > header nav {
        flex-wrap: nowrap;
        gap: 1rem;
    }
    
    .nav-brand {
        flex-shrink: 0;
    }
    
    .nav-end {
        flex: 1;
        justify-content: flex-end;
        flex-wrap: nowrap;
        gap: 0.75rem;
    }
    
    .logo-img {
        height: 32px;
    }
}

/* Tablet and up */
@media (min-width: 768px) {
    .instructor-profile {
        flex-direction: row;
    }
    
    .instance-item {
        grid-template-columns: minmax(0, 1fr);
    }

    .instance-item--has-byline {
        grid-template-columns: 2fr 3fr;
    }
    
    .course-detail h1 {
        font-size: 2.5rem;
    }
}

/* Venue List Page */
.venue-list-page {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.venue-list-header {
    margin-bottom: 2rem;
}

.venue-list-header .breadcrumb {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

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

.venue-list-header h1 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.venue-list-subtitle {
    color: var(--text-secondary);
    margin: 0;
}

.venue-grid-inner {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.venue-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: box-shadow 0.2s, border-color 0.2s;
}

.venue-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.venue-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.venue-card-image {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--bg-primary);
}

.venue-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.venue-card-placeholder {
    aspect-ratio: 16/10;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    color: var(--text-secondary);
}

.venue-card-content {
    padding: 1.25rem;
}

.venue-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: var(--text-primary);
}

.venue-card-link:hover .venue-card-title {
    color: var(--primary-color);
}

.venue-card-location {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0 0 0.25rem;
}

.venue-card-address {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0 0 0.5rem;
}

.venue-card-cta {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Venue Detail Page */
.venue-detail {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.venue-detail .breadcrumb {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

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

.venue-header h1 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.venue-location {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.venue-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.venue-gallery-item {
    margin: 0;
    overflow: hidden;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.venue-gallery-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.venue-gallery-item figcaption {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.venue-description-content {
    margin-bottom: 2rem;
    line-height: 1.7;
}

.venue-address {
    margin-bottom: 2rem;
}

.venue-address address {
    font-style: normal;
    color: var(--text-secondary);
}

.venue-instance-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.venue-instance-item {
    padding: 1rem;
    margin-bottom: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.venue-instance-link {
    display: block;
    text-decoration: none;
    color: inherit;
    margin-bottom: 0.5rem;
}

.venue-instance-link strong {
    color: var(--primary-color);
}

.instance-meta, .instance-price {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Venue workshop row only — do not use plain .instance-actions (course detail uses same class) */
.venue-instance-item .instance-actions {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.venue-instance-item .btn-book,
.venue-instance-item .btn-view-details {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: opacity 0.2s;
}

.venue-instance-item .btn-book.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
}

.venue-instance-item .btn-view-details {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.status-badge.full { color: #dc2626; }
.status-badge.closed { color: var(--text-secondary); }

/* Desktop */
@media (min-width: 1024px) {
    main {
        padding: 2rem;
    }
}