:root {
    /* Farben im Kinky-Night-Vibe: dunkler Club + Pastell/Neon-Akzente */
    --nk-bg: #050014;
    --nk-bg-secondary: #090322;
    --nk-panel: rgba(9, 3, 34, 0.9);
    --nk-panel-soft: rgba(15, 6, 48, 0.9);

    --nk-border-soft: rgba(248, 250, 252, 0.08);

    --nk-pink: #f472b6;
    --nk-pink-soft: rgba(244, 114, 182, 0.2);
    --nk-yellow: #facc6b;
    --nk-mint: #5eead4;
    --nk-cyan: #22d3ee;

    --nk-text-main: #f9fafb;
    --nk-text-muted: #e5e7ebb3;
    --nk-danger-bg: rgba(248, 113, 113, 0.15);
    --nk-danger: #fb7185;

    --nk-radius-lg: 18px;
    --nk-radius-xl: 22px;
    --nk-shadow-soft: 0 28px 60px rgba(3, 7, 18, 0.9);
    --nk-shadow-glow: 0 0 45px rgba(244, 114, 182, 0.35);

    --nk-transition-fast: 160ms ease-out;
    --nk-font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* Reset & Grundlayout */

*,
*::before,
*::after {
    box-sizing: border-box;
}



html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    font-family: var(--nk-font);
    color: var(--nk-text-main);
}

/* Hintergrund: dunkler Club mit Pastell-Glow */
body {
    display: flex;
    justify-content: center;
    align-items: stretch;
    background:
        radial-gradient(circle at top left, rgba(244, 114, 182, 0.25), transparent 60%),
        radial-gradient(circle at top right, rgba(34, 211, 238, 0.18), transparent 55%),
        radial-gradient(circle at bottom, rgba(250, 204, 107, 0.14), transparent 60%),
        linear-gradient(145deg, var(--nk-bg), var(--nk-bg-secondary));
}

.header-top-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

/* dezenter Admin-Link oben rechts */
.admin-link-header {
    position: absolute;
    top: 24px;   /* gleiche Höhe wie der Brand-Block */
    right: 16px; /* am rechten Rand des sichtbaren Bereichs der Seite */
    font-size: 0.7rem;
    text-decoration: none;
    color: var(--nk-text-muted);
    opacity: 0.6;
    padding: 3px 7px;
    border-radius: 999px;
    border: 1px solid transparent;
}


.admin-link-header:hover {
    opacity: 1;
    border-color: rgba(148, 163, 184, 0.4);
    background: rgba(15, 23, 42, 0.8);
    transition: 0.4s;
}

/* Zentrierter Content-Frame */

.page {
    max-width: 920px;
    width: 100%;
    padding: 28px 18px 34px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* Header / Branding */

.header {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
    padding-inline: 4px;
}

.brand {
    text-decoration: none;
    display: inline-flex;
    flex-direction: column;
    gap: 0;
    line-height: 1;
}

.brand-line {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    background-image: linear-gradient(
        120deg,
        var(--nk-pink),
        var(--nk-mint),
        var(--nk-yellow)
    );
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.brand-line-top {
    font-size: clamp(1.4rem, 3vw, 2.1rem);
}

.brand-line-bottom {
    font-size: clamp(1.9rem, 3.7vw, 2.7rem);
    letter-spacing: 0.28em;
}

.header-tagline {
    margin: 4px 0 0;
    max-width: 40rem;
    font-size: 0.96rem;
    color: var(--nk-text-muted);
}

/* Main Layout */

.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* Karten / Panels */

.card {
    background:
        radial-gradient(circle at top left, rgba(244, 114, 182, 0.08), transparent 55%),
        radial-gradient(circle at bottom right, rgba(34, 211, 238, 0.07), transparent 60%),
        var(--nk-panel);
    border-radius: var(--nk-radius-xl);
    border: 1px solid var(--nk-border-soft);
    box-shadow: var(--nk-shadow-soft);
    padding: 22px 18px 20px;
    backdrop-filter: blur(18px);
    position: relative;
    overflow: hidden;
}

/* Kleines Glow-Element in der Ecke */
.card::before {
    content: "";
    position: absolute;
    inset: -40%;
    background:
        radial-gradient(circle at top, rgba(244, 114, 182, 0.06), transparent 60%),
        radial-gradient(circle at bottom, rgba(34, 211, 238, 0.04), transparent 55%);
    opacity: 0.8;
    pointer-events: none;
    z-index: -1;
}

.card h2 {
    margin-top: 0;
    margin-bottom: 6px;
    font-size: 1.25rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.subtitle {
    margin-top: 0;
    margin-bottom: 16px;
    color: var(--nk-text-muted);
    font-size: 0.9rem;
}

/* Formular (Passwort) */

form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

label {
    font-size: 0.82rem;
    color: var(--nk-text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

input[type="password"] {
    padding: 11px 13px;
    border-radius: 999px;
    border: 1px solid var(--nk-border-soft);
    background:
        radial-gradient(circle at top left, rgba(244, 114, 182, 0.06), transparent 65%),
        var(--nk-panel-soft);
    color: var(--nk-text-main);
    font-size: 0.96rem;
    outline: none;
    transition:
        border-color var(--nk-transition-fast),
        box-shadow var(--nk-transition-fast),
        transform var(--nk-transition-fast),
        background var(--nk-transition-fast);
}

input[type="password"]::placeholder {
    color: #9ca3af;
}

input[type="password"]:focus {
    border-color: var(--nk-pink);
    box-shadow: 0 0 0 1px rgba(244, 114, 182, 0.55), var(--nk-shadow-glow);
    transform: translateY(-1px);
    background:
        radial-gradient(circle at top left, rgba(244, 114, 182, 0.12), transparent 65%),
        var(--nk-panel-soft);
}

/* Buttons */

button,
.as-link {
    border: none;
    border-radius: 999px;
    padding: 10px 18px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    margin-top: 6px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;

    background-image: linear-gradient(
        135deg,
        var(--nk-pink),
        var(--nk-yellow),
        var(--nk-mint)
    );
    color: #05101f;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.95);
    transition:
        transform var(--nk-transition-fast),
        box-shadow var(--nk-transition-fast),
        filter var(--nk-transition-fast);
}

button:hover,
.as-link:hover {
    transform: translateY(-1px);
    box-shadow: 0 22px 55px rgba(15, 23, 42, 0.95), var(--nk-shadow-glow);
    filter: brightness(1.03);
}

button:active,
.as-link:active {
    transform: translateY(0);
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.98);
}

/* Sekundärer Button (Logout) */

.secondary-btn {
    background: transparent;
    color: var(--nk-text-muted);
    border: 1px solid var(--nk-border-soft);
    box-shadow: none;
    padding-inline: 16px;
}

.secondary-btn:hover {
    background: rgba(15, 23, 42, 0.96);
    color: var(--nk-text-main);
    box-shadow: 0 12px 30px rgba(3, 7, 18, 0.95);
}

/* Infos / Fehlermeldungen */

.info {
    font-size: 0.85rem;
    margin-top: 10px;
}

.info-error {
    background: var(--nk-danger-bg);
    border-radius: 999px;
    padding: 7px 12px;
    color: var(--nk-danger);
}

/* Dateiliste als „Tickets“ */

.file-list {
    list-style: none;
    padding: 0;
    margin: 10px 0 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.file-item {
    border-radius: 16px;
    border: 1px solid var(--nk-border-soft);
    background:
        linear-gradient(125deg, rgba(15, 6, 48, 0.96), rgba(15, 6, 48, 0.9)),
        radial-gradient(circle at top left, rgba(244, 114, 182, 0.12), transparent 55%);
    padding: 11px 13px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition:
        border-color var(--nk-transition-fast),
        box-shadow var(--nk-transition-fast),
        transform var(--nk-transition-fast),
        background var(--nk-transition-fast);
    position: relative;
    overflow: hidden;
}

.file-item::before {
    content: "";
    position: absolute;
    inset: -40%;
    background:
        radial-gradient(circle at top right, rgba(34, 211, 238, 0.1), transparent 55%);
    opacity: 0;
    transition: opacity var(--nk-transition-fast);
    pointer-events: none;
}

.file-item:hover {
    border-color: rgba(244, 114, 182, 0.9);
    transform: translateY(-1px);
    box-shadow: 0 20px 48px rgba(3, 7, 18, 0.95), var(--nk-shadow-glow);
}

.file-item:hover::before {
    opacity: 1;
}

/* Layout für Vorschau + Text nebeneinander */
.file-main {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

/* Thumbnail-Container */
.file-thumb-wrap {
    flex: 0 0 72px;
    max-width: 72px;
    aspect-ratio: 3 / 4;
    border-radius: 14px;
    overflow: hidden;
    background:
        radial-gradient(circle at top, rgba(244, 114, 182, 0.25), transparent 60%),
        rgba(9, 3, 34, 0.9);
    border: 1px solid rgba(248, 250, 252, 0.1);
    box-shadow: 0 10px 24px rgba(3, 7, 18, 0.85);
}

/* Bild selbst */
.file-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Textbereich neben der Vorschau */
.file-info {
    flex: 1;
    min-width: 0;
}


.file-title {
    font-size: 0.95rem;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 8px;
}

.file-meta {
    font-size: 0.8rem;
    color: var(--nk-text-muted);
}

.file-link {
    align-self: flex-start;
    margin-top: 4px;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.86rem;
    text-decoration: none;

    background: var(--nk-pink-soft);
    color: #fdf2f8;
    border: 1px solid rgba(244, 114, 182, 0.7);
    transition:
        background var(--nk-transition-fast),
        transform var(--nk-transition-fast),
        box-shadow var(--nk-transition-fast);
}

.file-link:hover {
    background: rgba(244, 114, 182, 0.35);
    transform: translateY(-1px);
    box-shadow: var(--nk-shadow-glow);
}

/* Aktionen / Logout */

.actions {
    margin-top: 12px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}


/* Footer */

.footer {
    text-align: center;
    color: var(--nk-text-muted);
    font-size: 0.8rem;
    margin-top: 4px;
}

/* Kleine Helferklasse (falls du sie brauchst) */
.hidden {
    display: none !important;
}

/* Responsive Tuning */

@media (min-width: 640px) {
    .page {
        padding-inline: 28px;
    }

    .card {
        padding: 24px 24px 22px;
    }
}

/* Galerie der ZIP-Inhalte */
.file-gallery {
    margin-top: 12px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 10px;
}

/* KACHEL-GRUNDSTRUKTUR */
/* Kachel-Layout */
.file-tile {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* Bildcontainer */
.file-tile-thumb {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 3 / 4;
    border: 1px solid rgba(248, 250, 252, 0.12);
    background:
        radial-gradient(circle at top, rgba(244, 114, 182, 0.25), transparent 60%),
        rgba(9, 3, 34, 0.92);
    box-shadow: 0 10px 24px rgba(3, 7, 18, 0.85);

    padding: 0;
    margin: 0;
    cursor: pointer;
    display: block;

    transition:
        box-shadow 150ms ease-out,
        border-color 150ms ease-out,
        transform 120ms ease-out;
}

.file-tile-thumb:hover {
    transform: translateY(-1px);
}

/* Bild füllt die Kachel */
.file-tile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Dateiname unter der Kachel */
.file-tile-label {
    font-size: 0.75rem;
    color: var(--nk-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Checkbox oben links über dem Bild */
.file-tile-checkbox {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    opacity: 0;
    pointer-events: none;
    appearance: none;
    -webkit-appearance: none;
    border: 0;
    margin: 0;
    padding: 0;
}

/* AUSGEWÄHLTE KACHEL: Outline / Glow */
.file-tile-checkbox:checked + .file-tile-thumb {
    border-color: rgba(244, 114, 182, 0.9);
    box-shadow:
        0 0 0 1px rgba(15, 23, 42, 0.9),
        0 0 0 3px rgba(244, 114, 182, 0.6),
        0 18px 40px rgba(3, 7, 18, 0.98);
}

/* Lupe-Button oben rechts – zweifarbiges, simples Icon */
.file-tile-view {
    position: absolute;
    top: 6px;
    right: 6px;
    z-index: 3;

    width: 26px;
    height: 26px;
    border-radius: 999px;
    border: none;
    padding: 0;

    display: flex;
    align-items: center;
    justify-content: center;

    cursor: pointer;
    background: rgba(15, 23, 42, 0.5); /* dunkel */
    color: inherit;
    box-shadow: 0 10px 24px rgba(3, 7, 18, 0.95);
}

.file-tile-view:hover {
    background: rgba(15, 23, 42, 0.98);
}

/* Das Icon selbst: Kreis + Griff, in einer Farbe */
/* Icon: zwei auseinander zeigende Pfeile / Ecken (Maximieren-Symbol) */
.file-tile-view-icon {
    position: relative;
    width: 14px;
    height: 14px;
}

/* zwei diagonale Ecken, gleiche helle Farbe */
.file-tile-view-icon::before,
.file-tile-view-icon::after {
    content: "";
    position: absolute;
    width: 7px;
    height: 7px;
    border-top: 2px solid #e5e7eb;  /* helle Linie */
    border-left: 2px solid #e5e7eb;
    box-sizing: border-box;
}

/* Pfeil / Ecke nach oben links */
.file-tile-view-icon::before {
    top: 0;
    left: 0;
}

/* Pfeil / Ecke nach unten rechts (gespiegelt) */
.file-tile-view-icon::after {
    bottom: 0;
    right: 0;
    transform: rotate(180deg);
}




/* Formular für Auswahl-Download */
.file-selection-form {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.file-gallery-actions {
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.file-gallery-summary {
    font-size: 0.8rem;
    color: var(--nk-text-muted);
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.file-gallery-size {
    opacity: 0.9;
}


.file-gallery-download-btn {
    border-radius: 999px;
    border: none;
    padding: 8px 16px;
    font-size: 0.86rem;
    font-weight: 500;
    cursor: pointer;
    background-image: linear-gradient(
        135deg,
        var(--nk-pink),
        var(--nk-yellow)
    );
    color: #05101f;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.95);
    transition:
        transform var(--nk-transition-fast),
        box-shadow var(--nk-transition-fast),
        filter var(--nk-transition-fast);
}

.file-gallery-download-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.98);
    filter: brightness(1.03);
}

.event-gallery {
    /* statt Grid: Liste untereinander */
    display: grid;
    flex-direction: column;
    gap: 12px;
}

/* Box mit den Zusatzinfos */
.event-details {
    margin: 4px 2px 12px 2px;
    padding: 12px 14px;
    border-radius: var(--nk-radius-lg);
    border: 1px solid var(--nk-border-soft);
    background:
        radial-gradient(circle at top left, rgba(244, 114, 182, 0.16), transparent 60%),
        rgba(9, 3, 34, 0.98);
    font-size: 0.86rem;
    color: var(--nk-text-muted);
}

/* Überschrift im Detail-Block */
.event-details-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--nk-text-main);
    margin-bottom: 4px;
}

/* kleine Meta-Infos (Datum, Location, Uhrzeit) */
.event-details-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    font-size: 0.8rem;
    opacity: 0.9;
    margin-bottom: 6px;
}

/* Fließtext der Beschreibung */
.event-details-text {
    margin: 0;
    line-height: 1.4;
}


/* Lightbox / Vollbild-Preview */
.hidden {
    display: none !important;
}

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top, rgba(15, 23, 42, 0.7), rgba(3, 7, 18, 0.95));
    backdrop-filter: blur(8px);
}

.lightbox-content {
    position: relative;
    z-index: 1;

    /* Fester Rahmen (Breite + Höhe) */
    width: min(900px, 90vw);
    height: min(700px, 90vh);

    border-radius: 24px;
    overflow: hidden;
    background:
        radial-gradient(circle at top left, rgba(244, 114, 182, 0.16), transparent 65%),
        rgba(9, 3, 34, 0.98);
    border: 1px solid var(--nk-border-soft);
    box-shadow: 0 30px 80px rgba(3, 7, 18, 0.96);

    display: flex;
    flex-direction: column;
}


.lightbox-img {
    /* nimmt den Hauptbereich ein */
    flex: 1 1 auto;

    max-width: 100%;
    max-height: 100%;

    object-fit: contain;
    align-self: center;

    display: block;
    background: #020617;

    opacity: 0;
    transition: opacity 150ms ease-out;
}

/* sobald geladen → einblenden (per JS gesetzt) */
.lightbox-img.loaded {
    opacity: 1;
}


.lightbox-caption {
    flex: 0 0 auto;
    padding: 8px 14px 12px;
    font-size: 0.85rem;
    color: var(--nk-text-muted);
}


.lightbox-close {
    position: absolute;
    top: 8px;
    right: 10px;
    border: none;
    border-radius: 999px;
    width: 30px;
    height: 30px;
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    background: rgba(15, 23, 42, 0.9);
    color: var(--nk-text-main);
    box-shadow: 0 10px 25px rgba(3, 7, 18, 0.95);
}

/* Pfeile */
.lightbox-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: rgba(15, 23, 42, 0.85);
    color: var(--nk-text-main);
    box-shadow: 0 12px 30px rgba(3, 7, 18, 0.95);
    font-size: 1.4rem;
    z-index: 2;
}

.lightbox-prev {
    left: 10px;
}

.lightbox-next {
    right: 10px;
}

.lightbox-arrow:hover {
    background: rgba(15, 23, 42, 0.98);
}

.lightbox-loader {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    pointer-events: none;
}

.lightbox-spinner {
    width: 36px;
    height: 36px;
    border-radius: 999px;
    border: 3px solid rgba(248, 250, 252, 0.15);
    border-top-color: var(--nk-pink);
    animation: lightbox-spin 0.7s linear infinite;
}

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