/* =========================================================
 * Das Dielinger Storchennest - Stylesheet
 * ========================================================= */

/* -------------------------------------------------------
 * CSS Custom Properties
 * ------------------------------------------------------- */
:root {
    /* Dielingen Corporate Colors — extracted from dielingen.de */
    --color-primary: #025296;          /* Dunkelblau — Überschriften, Navigation, Primärfarbe */
    --color-primary-dark: #033664;     /* Sehr Dunkelblau — Hover, Footer */
    --color-primary-light: #00a2ff;    /* Hellblau — Links, Website-Titel */
    --color-accent: #ea7b3c;           /* Orange — CTA-Buttons, Akzente */
    --color-accent-hover: #333;        /* Button-Hover (wie auf dielingen.de) */
    --color-green: #358d3f;            /* Grün — Aktive Navigation, Sekundär-Akzent */
    --color-bg: #f8f8f8;              /* Heller Hintergrund */
    --color-bg-card: #ffffff;          /* Weiß — Karten, Content-Bereich */
    --color-text: #333;                /* Haupttext */
    --color-text-secondary: #888;      /* Sekundärtext */
    --color-text-muted: #999;          /* Gedämpfter Text */
    --color-text-light: #ffffff;       /* Heller Text auf dunklem Hintergrund */
    --color-border: #ccc;              /* Standard-Rahmen */
    --color-border-light: #e8e8e8;     /* Heller Rahmen */
    --color-shadow: rgba(2, 82, 150, 0.08);
    --color-shadow-hover: rgba(2, 82, 150, 0.18);
    --color-overlay: rgba(3, 54, 100, 0.75);

    --font-body: Roboto, -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --font-heading: Roboto, -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;

    --radius-sm: 3px;
    --radius-md: 6px;
    --radius-lg: 12px;

    --transition-fast: 0.2s ease-in;
    --transition-normal: 0.3s ease-in;
    --transition-slow: 0.5s ease;

    --max-width: 1400px;
    --header-height: 280px;
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* -------------------------------------------------------
 * Header / Hero
 * ------------------------------------------------------- */
.site-header {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    color: var(--color-text-light);
    padding: 0;
    position: relative;
    overflow: hidden;
}

.site-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 162, 255, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.site-header::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(234, 123, 60, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.header-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem 2rem 2.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    z-index: 1;
}

.header-logo {
    flex-shrink: 0;
    background: #fff;
    border-radius: var(--radius-md);
    padding: 8px 12px;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header-logo:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.header-logo img {
    width: 120px;
    height: auto;
    display: block;
}

.header-text {
    flex: 1;
}

.site-title {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.3rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.site-subtitle {
    font-size: clamp(0.85rem, 1.5vw, 1.05rem);
    font-weight: 400;
    opacity: 0.85;
    letter-spacing: 0.03em;
}

.header-refresh {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text-light);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.header-refresh:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: rotate(180deg);
}

.header-refresh:active {
    transform: rotate(360deg);
}

/* Header Bottom Wave */
.header-wave {
    display: block;
    width: 100%;
    height: 40px;
    margin-top: -1px;
}

.header-wave svg {
    display: block;
    width: 100%;
    height: 100%;
}

/* -------------------------------------------------------
 * Admin Panel
 * ------------------------------------------------------- */
.admin-panel {
    max-width: var(--max-width);
    margin: 0 auto 1.5rem;
    padding: 0 2rem;
}

.admin-bar {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    align-items: center;
    box-shadow: 0 2px 8px var(--color-shadow);
}

.admin-bar__label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-right: 0.5rem;
}

.admin-btn {
    background: rgba(0, 0, 0, 0);
    border: 3px solid var(--color-primary);
    color: var(--color-primary);
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.admin-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
    transform: translateY(-1px);
}

.admin-btn__icon {
    font-size: 1rem;
}

/* -------------------------------------------------------
 * Main Content
 * ------------------------------------------------------- */
.main-content {
    flex: 1;
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    padding: 1rem 2rem 3rem;
}

/* Gallery Stats */
.gallery-stats {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

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

.gallery-stats__count strong {
    color: var(--color-accent);
    font-weight: 600;
}

/* -------------------------------------------------------
 * Masonry Gallery
 * ------------------------------------------------------- */
.gallery {
    column-gap: 1.25rem;
    column-fill: initial;
}

.gallery-card {
    break-inside: avoid;
    margin-bottom: 1.25rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-bg-card);
    box-shadow: 0 2px 12px var(--color-shadow);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;

    /* Fade-in animation */
    opacity: 0;
    transform: translateY(20px);
}

.gallery-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity var(--transition-slow), transform var(--transition-slow), box-shadow var(--transition-normal);
}

.gallery-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px var(--color-shadow-hover);
}

.gallery-card__link {
    display: block;
    position: relative;
    overflow: hidden;
}

.gallery-card__image {
    width: 100%;
    display: block;
    transition: transform var(--transition-slow);
}

.gallery-card:hover .gallery-card__image {
    transform: scale(1.03);
}

/* Hover Overlay */
.gallery-card__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2.5rem 1rem 0.8rem;
    background: linear-gradient(to top, rgba(3,54,100,0.7) 0%, rgba(3,54,100,0.1) 70%, transparent 100%);
    color: var(--color-text-light);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.gallery-card:hover .gallery-card__overlay {
    opacity: 1;
}

.gallery-card__date {
    font-size: 0.82rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.gallery-card__date-icon {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* -------------------------------------------------------
 * Lazy Loading Placeholder
 * ------------------------------------------------------- */
.gallery-card__image[data-src] {
    background: linear-gradient(135deg, var(--color-border-light) 0%, var(--color-border) 100%);
    min-height: 150px;
}

.gallery-card__image.loaded {
    background: none;
    animation: fadeInImage 0.4s ease forwards;
}

@keyframes fadeInImage {
    from {
        opacity: 0.3;
    }
    to {
        opacity: 1;
    }
}

/* -------------------------------------------------------
 * Load More Button
 * ------------------------------------------------------- */
.load-more-wrap {
    text-align: center;
    padding: 2rem 0 1rem;
}

.load-more-btn {
    background: var(--color-accent);
    color: var(--color-text-light);
    border: 1px solid var(--color-accent);
    padding: 0.85rem 2.5rem;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(234, 123, 60, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.load-more-btn:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(51, 51, 51, 0.35);
}

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

.load-more-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.load-more-btn__spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.load-more-btn.loading .load-more-btn__spinner {
    display: inline-block;
}

.load-more-btn.loading .load-more-btn__text {
    opacity: 0.7;
}

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

/* All images loaded message */
.gallery-complete {
    text-align: center;
    padding: 1.5rem 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-style: italic;
}

/* -------------------------------------------------------
 * Loading Screen
 * ------------------------------------------------------- */
.page-loader {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.page-loader__stork {
    width: 120px;
    margin-bottom: 1rem;
    animation: gentleBounce 1.5s ease-in-out infinite;
}

.page-loader__stork img {
    width: 100%;
    height: auto;
}

.page-loader__text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
}

.page-loader__dots::after {
    content: '';
    animation: loadingDots 1.5s steps(4, end) infinite;
}

@keyframes loadingDots {
    0%   { content: ''; }
    25%  { content: '.'; }
    50%  { content: '..'; }
    75%  { content: '...'; }
    100% { content: ''; }
}

@keyframes gentleBounce {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-8px); }
}

/* -------------------------------------------------------
 * Footer
 * ------------------------------------------------------- */
.site-footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 2rem;
    margin-top: auto;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-logo {
    width: 80px;
    height: auto;
    opacity: 0.9;
    filter: brightness(0) invert(1);
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

.footer-info {
    font-size: 0.8rem;
    text-align: right;
    line-height: 1.8;
}

.footer-info a {
    color: var(--color-primary-light);
    transition: color var(--transition-fast);
}

.footer-info a:hover {
    color: #fff;
}

/* -------------------------------------------------------
 * Responsive
 * ------------------------------------------------------- */

/* Mobile: 1 column */
@media (max-width: 639px) {
    .header-content {
        padding: 2rem 1.25rem 1.5rem;
        gap: 1rem;
    }

    .header-logo {
        padding: 6px 10px;
    }

    .header-logo img {
        width: 90px;
    }

    .main-content {
        padding: 0.75rem 1rem 2rem;
    }

    .gallery {
        column-count: 1;
    }

    .gallery-card__overlay {
        opacity: 1;
        padding-top: 1.5rem;
    }

    .admin-bar {
        padding: 0.75rem;
    }

    .admin-panel {
        padding: 0 1rem;
    }

    .gallery-stats {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

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

/* Tablet: 2 columns */
@media (min-width: 640px) and (max-width: 1023px) {
    .gallery {
        column-count: 2;
    }
}

/* Desktop: 3 columns */
@media (min-width: 1024px) and (max-width: 1439px) {
    .gallery {
        column-count: 3;
    }
}

/* Wide: 4 columns */
@media (min-width: 1440px) {
    .gallery {
        column-count: 4;
    }

    .header-content {
        padding: 3.5rem 2rem 3rem;
    }
}

/* -------------------------------------------------------
 * SmartPhoto Overrides
 * ------------------------------------------------------- */
.smartphoto {
    z-index: 10000;
}

.smartphoto-caption {
    font-family: var(--font-body);
    font-size: 0.85rem;
    padding: 0 60px;
}

/* -------------------------------------------------------
 * Confirm Dialog (for admin actions)
 * ------------------------------------------------------- */
.confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

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

.confirm-dialog {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: 2rem;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.95);
    transition: transform var(--transition-fast);
}

.confirm-overlay.active .confirm-dialog {
    transform: scale(1);
}

.confirm-dialog__title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.confirm-dialog__message {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.confirm-dialog__actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

.confirm-dialog__cancel {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    transition: background var(--transition-fast);
}

.confirm-dialog__cancel:hover {
    background: var(--color-border);
}

.confirm-dialog__confirm {
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    color: #fff;
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.confirm-dialog__confirm:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
}

/* -------------------------------------------------------
 * Utility: Screen Reader Only
 * ------------------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* -------------------------------------------------------
 * No-JS Fallback
 * ------------------------------------------------------- */
.gallery-card.no-js-visible {
    opacity: 1;
    transform: none;
}