/* ==========================================================================
   Admin-Bereich – Login + Hintergrundbild-Verwaltung
   Sebastian Baus – Code & Crest
   Autor: Claude Code / Mountainroad Online GmbH
   Erstellt: 2026-04-21
   ========================================================================== */

/* ==========================================================================
   Layout
   ========================================================================== */
.admin-shell {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-4xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    min-height: 80vh;
}

.admin-shell--wide {
    max-width: 70rem;
}

.admin-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.admin-header__logout {
    margin-top: var(--space-xs);
}

/* ==========================================================================
   Karten
   ========================================================================== */
.admin-card {
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
}

.admin-card--center {
    max-width: 28rem;
    margin: var(--space-4xl) auto;
    width: 100%;
}

.admin-card__head {
    margin-bottom: var(--space-lg);
}

.admin-card__badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.admin-card__title {
    font-size: 1.75rem;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-xs);
}

.admin-card__subtitle {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.admin-card__heading {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.admin-card__hint {
    color: var(--color-text-faint);
    font-size: 0.85rem;
    margin-bottom: var(--space-md);
}

/* ==========================================================================
   Formulare
   ========================================================================== */
.admin-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.admin-form--grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

@media (max-width: 640px) {
    .admin-form--grid {
        grid-template-columns: 1fr;
    }
}

.admin-form__note {
    color: var(--color-text-faint);
    font-size: 0.8rem;
}

.admin-form__note code {
    font-family: var(--font-mono);
    background: rgba(255, 255, 255, 0.05);
    padding: 0.1em 0.35em;
    border-radius: 0.25rem;
}

/* ==========================================================================
   Eingabefelder
   ========================================================================== */
.admin-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.admin-field--wide {
    grid-column: 1 / -1;
}

.admin-field__label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-faint);
}

.admin-field__input,
.admin-field__file {
    background: rgba(9, 9, 11, 0.6);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    width: 100%;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.admin-field__input:focus,
.admin-field__file:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.2);
}

.admin-field__input--mono {
    font-family: var(--font-mono);
    letter-spacing: 0.05em;
}

.admin-field__file {
    padding: 0.5rem;
    cursor: pointer;
}

/* Drag & Drop Zone */
.admin-field--drop {
    position: relative;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    background: rgba(9, 9, 11, 0.3);
    transition: border-color 0.2s, background 0.2s;
    cursor: pointer;
}

.admin-field--drop:hover,
.admin-field--drop.is-dragging {
    border-color: var(--color-accent);
    background: rgba(249, 115, 22, 0.05);
}

.admin-field--drop .admin-field__file {
    background: transparent;
    border: none;
    padding: 0;
    margin-top: 0.4rem;
}

.admin-field__drop-hint {
    display: block;
    margin-top: var(--space-sm);
    color: var(--color-text-faint);
    font-size: 0.85rem;
    text-align: center;
}

/* ==========================================================================
   Vorschau
   ========================================================================== */
.admin-preview {
    margin-top: var(--space-md);
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

/* HTML-hidden muss display:flex oben schlagen – sonst bleibt die
   leere Vorschau-Box als „Broken Image" sichtbar. */
.admin-preview[hidden] {
    display: none;
}

.admin-preview__img {
    width: 160px;
    height: 100px;
    object-fit: cover;
    border-radius: 0.5rem;
    border: 1px solid var(--color-border);
}

.admin-preview__meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.admin-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.admin-btn--primary {
    background: var(--color-accent);
    color: var(--color-bg);
}

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

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

.admin-btn--ghost {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text-muted);
}

.admin-btn--ghost:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.admin-btn--danger {
    background: transparent;
    border-color: rgba(239, 68, 68, 0.5);
    color: #ef4444;
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
}

.admin-btn--danger:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
}

/* ==========================================================================
   Alerts
   ========================================================================== */
.admin-alert {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    border: 1px solid;
}

.admin-alert--error {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.4);
    color: #fca5a5;
}

.admin-alert--success {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.4);
    color: #86efac;
}

/* ==========================================================================
   Bildergrid
   ========================================================================== */
.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-md);
}

.admin-tile {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: rgba(9, 9, 11, 0.5);
    display: flex;
    flex-direction: column;
    transition: border-color 0.2s;
}

.admin-tile.is-active {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 1px var(--color-accent);
}

.admin-tile__image-wrap {
    position: relative;
    aspect-ratio: 16 / 10;
    background: var(--color-surface);
    overflow: hidden;
}

.admin-tile__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.admin-tile__flag {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--color-accent);
    color: var(--color-bg);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    font-weight: 600;
}

.admin-tile__body {
    padding: var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    flex: 1;
}

.admin-tile__range {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text);
}

.admin-tile__meta {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-faint);
}

.admin-tile__name {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    word-break: break-all;
}

.admin-tile__actions {
    margin-top: auto;
    display: flex;
    justify-content: flex-end;
}

.admin-empty {
    padding: var(--space-xl);
    text-align: center;
    color: var(--color-text-faint);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-lg);
}