/* ==========================================================================
   FerienWohnung Sefke — Modern Stylesheet
   Consolidated from global.css, gb.css, preis_haffkrug.css, preis_scharbeutz.css
   ========================================================================== */

/* --- 1. Custom Properties --- */
:root {
    --bg-body: #0a0a0a;
    --bg-main: #111;
    --bg-card: #1a1a1a;
    --text-primary: #fff;
    --text-secondary: #ccc;
    --text-muted: #777;
    --border-color: #333;
    --color-link: #1C86EE;
    --color-link-hover: #5eaaef;

    --accent-haffkrug: #c0392b;
    --accent-scharbeutz: #578c28;
    --accent-default: #1C86EE;
    --accent-gaestebuch: #8F2D96;

    --font-heading: 'Asap', system-ui, -apple-system, sans-serif;
    --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

    --max-width: 1200px;
    --sidebar-width: 260px;
    --transition: 0.3s ease;
}

/* --- 2. Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    background-color: var(--bg-body);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

ul {
    list-style: none;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.3;
}

h1 { font-size: 1.75rem; margin-bottom: 1rem; }
h2 { font-size: 1.35rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }

/* --- 3. Layout --- */
.wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
}

.content-layout {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    gap: 2rem;
    align-items: start;
}

/* --- 4. Header & Top Navigation --- */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    white-space: nowrap;
}

.logo:hover {
    text-decoration: none;
    color: var(--text-primary);
}

/* Accent colors for the logo "Wohnung" word */
.accent-haffkrug   .logo-accent { color: var(--accent-haffkrug); }
.accent-scharbeutz .logo-accent { color: var(--accent-scharbeutz); }
.accent-default    .logo-accent { color: var(--accent-default); }
.accent-gaestebuch .logo-accent { color: var(--accent-gaestebuch); }

.top-nav ul {
    display: flex;
}

.top-nav li a {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    border-bottom: 3px solid transparent;
    transition: all var(--transition);
}

.top-nav li a:hover {
    color: var(--text-primary);
    text-decoration: none;
}

.top-nav li.active a {
    color: var(--text-primary);
    font-weight: 700;
}

.accent-haffkrug   .top-nav li.active a { border-bottom-color: var(--accent-haffkrug); }
.accent-scharbeutz .top-nav li.active a { border-bottom-color: var(--accent-scharbeutz); }
.accent-default    .top-nav li.active a { border-bottom-color: var(--accent-default); }
.accent-gaestebuch .top-nav li.active a { border-bottom-color: var(--accent-gaestebuch); }

/* Hamburger toggle (hidden on desktop) */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    margin: 5px 0;
    transition: all var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- 5. Hero Banner --- */
.hero-banner {
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
    line-height: 0;
}

.hero-banner img {
    width: 100%;
    height: auto;
    display: block;
}

/* --- 6. Main Content Area --- */
.site-main {
    padding: 1.5rem;
    background-color: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
    min-height: 50vh;
}

/* --- 7. Sidebar & Sub Navigation --- */
.sidebar {}

.sub-nav {
    margin-bottom: 2rem;
    border-top: 1px solid var(--border-color);
}

.sub-nav li a {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all var(--transition);
    font-size: 0.95rem;
}

.sub-nav li a:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.04);
    text-decoration: none;
}

.sub-nav li.active a {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.06);
}

.accent-haffkrug   .sub-nav li.active a { border-left-color: var(--accent-haffkrug); }
.accent-scharbeutz .sub-nav li.active a { border-left-color: var(--accent-scharbeutz); }
.accent-default    .sub-nav li.active a { border-left-color: var(--accent-default); }
.accent-gaestebuch .sub-nav li.active a { border-left-color: var(--accent-gaestebuch); }

/* Quick overview in sidebar */
.quick-overview {
    margin-top: 1.5rem;
}

.quick-overview h3 {
    margin-bottom: 0.5rem;
}

.quick-overview ul {
    list-style-type: square;
    padding-left: 1.25rem;
}

.quick-overview li {
    margin-bottom: 0.3rem;
    line-height: 1.5;
    font-size: 0.92rem;
}

/* --- 8. Footer --- */
.site-footer {
    padding: 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.8;
}

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

.site-footer a:hover {
    color: var(--text-secondary);
}

/* --- 9. Components --- */

/* Gallery */
.gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.gallery a {
    display: block;
    flex: 0 0 calc((100% - 2.5rem) / 6);
    aspect-ratio: 4 / 3;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: border-color var(--transition);
    line-height: 0;
}

.gallery a img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery a:hover {
    border-color: var(--color-link);
    text-decoration: none;
}

.gallery img {
    transition: transform var(--transition);
}

.gallery a:hover img {
    transform: scale(1.05);
}

/* Apartment cards (index page) */
.index-apartments {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.apartment-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.apartment-card:hover {
    border-color: var(--color-link);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.apartment-card a {
    line-height: 0;
}

.apartment-card img {
    width: 100%;
    height: auto;
}

.apartment-card-info {
    padding: 1rem;
    text-align: center;
}

.apartment-card-info h2 {
    margin-bottom: 0.4rem;
}

.apartment-card-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Data tables (prices) */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border: 1px solid var(--border-color);
}

.data-table thead th {
    font-weight: 700;
    color: var(--text-primary);
}

.accent-haffkrug   .data-table thead th { background-color: var(--accent-haffkrug); }
.accent-scharbeutz .data-table thead th { background-color: var(--accent-scharbeutz); }

.data-table tbody tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.03);
}

.data-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.07);
}

.data-table .season {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Price highlight */
.data-table .price {
    font-weight: 700;
    color: var(--text-primary);
}

/* Special offer row */
.data-table tr.sonder {
    background-color: var(--accent-scharbeutz);
    color: #fff;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    border-radius: 4px;
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-link);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

.form-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.65rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 0.95rem;
    cursor: pointer;
    font-family: var(--font-body);
    transition: background-color var(--transition);
}

.btn-primary {
    background-color: var(--color-link);
    color: #fff;
}

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

.btn-secondary {
    background-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background-color: #444;
}

.required {
    color: var(--accent-haffkrug);
}

.form-error {
    color: var(--accent-haffkrug);
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    background: rgba(192, 57, 43, 0.1);
    border-radius: 4px;
    border-left: 3px solid var(--accent-haffkrug);
}

.form-error ul {
    margin-top: 0.25rem;
    padding-left: 1.25rem;
    list-style-type: disc;
}

.form-success {
    color: var(--accent-scharbeutz);
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    background: rgba(87, 140, 40, 0.1);
    border-radius: 4px;
    border-left: 3px solid var(--accent-scharbeutz);
}

/* Guestbook entries */
.guestbook-entry {
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
    border-radius: 4px;
    overflow: hidden;
}

.guestbook-entry .entry-header {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.guestbook-entry .entry-header b {
    color: var(--text-primary);
}

.guestbook-entry .entry-body {
    padding: 1rem;
}

/* Floor plan */
.floorplan {
    text-align: center;
    margin: 1rem 0;
}

.floorplan img {
    display: inline-block;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: border-color var(--transition);
}

.floorplan img:hover {
    border-color: var(--color-link);
}

.floorplan p {
    margin-top: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Map embed */
.map-container {
    margin: 1.5rem 0;
    text-align: center;
}

.map-container iframe {
    width: 100%;
    max-width: 600px;
    height: 400px;
    border: 1px solid var(--border-color);
}

/* Availability calendar embed */
.calendar-embed {
    background: #fff;
    display: inline-block;
    padding: 0.5rem;
    border-radius: 4px;
    max-width: 100%;
}

/* Content sections */
.content-section {
    margin-bottom: 2rem;
}

.content-section p {
    margin-bottom: 0.75rem;
}

/* Floating images (for Umgebung pages) */
.float-right {
    float: right;
    margin: 0 0 1rem 1.5rem;
    border: 1px solid var(--border-color);
    padding: 2px;
    max-width: 280px;
}

.float-left {
    float: left;
    margin: 0 1.5rem 1rem 0;
    border: 1px solid var(--border-color);
    padding: 2px;
    max-width: 280px;
}

/* --- 10. Lightbox --- */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition);
}

.lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-overlay img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: #fff;
    font-size: 2.5rem;
    cursor: pointer;
    z-index: 1001;
    line-height: 1;
    transition: opacity var(--transition);
}

.lightbox-close:hover {
    opacity: 0.7;
}

.lightbox-title {
    position: absolute;
    bottom: 2rem;
    left: 0;
    right: 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 1rem;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.12);
    border: none;
    color: #fff;
    font-size: 2.5rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-radius: 4px;
    transition: background var(--transition);
    line-height: 1;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.25);
}

.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

/* --- 11. Utilities --- */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.list-square { list-style-type: square; padding-left: 1.25rem; }
.list-square li { margin-bottom: 0.35rem; }

/* Clearfix for floats */
.cf::after {
    content: '';
    display: table;
    clear: both;
}

/* --- 12. Media Queries --- */

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .top-nav {
        display: none;
        width: 100%;
        order: 3;
        padding-bottom: 0.5rem;
    }

    .top-nav.open {
        display: block;
    }

    .top-nav ul {
        flex-direction: column;
    }

    .top-nav li a {
        padding: 0.65rem 0;
        border-bottom: none;
    }

    .top-nav li.active a {
        border-bottom: none;
        padding-left: 0.75rem;
    }

    .content-layout {
        grid-template-columns: 1fr;
    }

    .gallery {
        justify-content: center;
    }

    .form-row {
        flex-direction: column;
    }

    h1 { font-size: 1.4rem; }
    h2 { font-size: 1.15rem; }

    .hero-banner {
        display: none;
    }

    .float-right,
    .float-left {
        float: none;
        max-width: 100%;
        margin: 1rem 0;
    }
}

@media (max-width: 768px) {
    .gallery a {
        flex: 0 0 calc((100% - 1.5rem) / 4);
    }
}

@media (max-width: 480px) {
    .site-header {
        padding: 0.5rem 0.75rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    .site-main {
        padding: 1rem 0.75rem;
    }

    .gallery a {
        flex: 0 0 calc((100% - 1rem) / 3);
    }

    .data-table {
        font-size: 0.82rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.4rem 0.5rem;
    }
}