/* ─── Feature Cards ─── */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.25rem;
    text-decoration: none;
    color: var(--color-text);
    transition: all 0.2s ease;
}

.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(1, 134, 6, 0.1);
    transform: translateY(-1px);
    text-decoration: none;
    color: var(--color-text);
}

.feature-card__icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.feature-card__title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.35rem;
}

.feature-card__desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* ─── Callout / Hinweis-Boxen ─── */
.callout {
    display: flex;
    gap: 0.75rem;
    padding: 0.9rem 1rem;
    border-radius: 8px;
    margin: 1.25rem 0;
    border-left: 4px solid;
}

.callout--tip {
    background: #f0fdf4;
    border-left-color: #22c55e;
}

.callout--info {
    background: #eff6ff;
    border-left-color: #3b82f6;
}

.callout--warning {
    background: #fffbeb;
    border-left-color: #f59e0b;
}

.callout--danger {
    background: #fef2f2;
    border-left-color: #ef4444;
}

.callout__icon {
    font-size: 1.1rem;
    flex-shrink: 0;
    line-height: 1.5;
}

.callout__title {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.15rem;
}

.callout__text {
    font-size: 0.88rem;
    line-height: 1.6;
    color: #374151;
}

/* ─── Screenshot / Bild ─── */
.screenshot {
    margin: 1.25rem 0;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
}

.screenshot__img {
    display: block;
    width: 100%;
    height: auto;
}

.screenshot__caption {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    padding: 0.6rem 1rem;
    border-top: 1px solid var(--color-border);
    background: #fafafa;
    text-align: center;
}

/* ─── Schritt-für-Schritt Anleitung ─── */
.steps {
    list-style: none;
    margin: 1.25rem 0;
    padding: 0;
}

.steps__item {
    display: flex;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
}

.steps__item:last-child {
    border-bottom: none;
}

.steps__number {
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    margin-top: 0.1rem;
}

.steps__title {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}

.steps__text {
    font-size: 0.88rem;
    line-height: 1.6;
    color: #374151;
}

.steps__image {
    display: block;
    max-width: 100%;
    margin-top: 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--color-border);
}

/* ─── Feature-Liste ─── */
.feature-list {
    margin: 1rem 0 1.5rem;
}

.feature-list__item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid #f3f4f6;
}

.feature-list__item:last-child {
    border-bottom: none;
}

.feature-list__icon {
    font-size: 1.15rem;
    flex-shrink: 0;
    width: 1.75rem;
    text-align: center;
    margin-top: 0.1rem;
}

.feature-list__title {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.1rem;
}

.feature-list__desc {
    font-size: 0.84rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* ─── Tastenkürzel ─── */
kbd, .kbd {
    display: inline-block;
    padding: 0.15rem 0.45rem;
    font-family: 'Inter', monospace;
    font-size: 0.78rem;
    font-weight: 500;
    color: #374151;
    background: #f3f4f6;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    box-shadow: 0 1px 0 #d1d5db;
    line-height: 1.4;
}

.kbd-plus {
    margin: 0 0.2rem;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ─── Sub-Navigation (Kamera-Detailseiten) ─── */
.subnav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 1rem 0 1.75rem;
    padding: 0.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.subnav__link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.85rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.15s ease;
}

.subnav__link:hover {
    background: #f0fdf4;
    color: var(--color-primary);
    text-decoration: none;
}

.subnav__link--active {
    background: #f0fdf4;
    color: var(--color-primary);
    font-weight: 600;
    box-shadow: inset 0 -2px 0 var(--color-primary);
}

.subnav__link--active:hover {
    background: #f0fdf4;
    color: var(--color-primary);
}

/* ─── Format-Umschalter (OBJ / GLB) ─── */
.viewer-format-toggle {
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.viewer-format-toggle__btn {
    padding: 0.45rem 1rem;
    font-size: 0.82rem;
    font-weight: 500;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-surface);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
}

.viewer-format-toggle__btn:hover {
    background: #f0fdf4;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.viewer-format-toggle__btn--active {
    background: #f0fdf4;
    color: var(--color-primary);
    border-color: var(--color-primary);
    font-weight: 600;
    box-shadow: inset 0 -2px 0 var(--color-primary);
}

/* ─── 3D-Viewer + Teilekarte Layout ─── */
.viewer-layout {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

/* 3D-Viewer Panel */
.viewer-panel {
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    background: var(--color-surface);
}

.viewer-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    background: #fafafa;
    border-bottom: 1px solid var(--color-border);
}

.viewer-panel__title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
}

.viewer-panel__reset {
    font-size: 0.78rem;
    padding: 0.3rem 0.7rem;
    border: 1px solid var(--color-border);
    border-radius: 5px;
    background: var(--color-surface);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
}

.viewer-panel__reset:hover {
    background: #f0fdf4;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.viewer-panel model-viewer {
    display: block;
    width: 100%;
    height: 450px;
}

/* OBJ-Viewer Canvas (Three.js) */
.viewer-panel__canvas {
    display: block;
    width: 100%;
    height: 450px;
    background: #f8f9fa;
}

.viewer-panel__loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* Teilekarte / SVG Map */
.parts-map {
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    background: var(--color-surface);
}

.parts-map__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    background: #fafafa;
    border-bottom: 1px solid var(--color-border);
}

.parts-map__title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
}

.parts-map__hint {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.parts-map__svg-wrap {
    padding: 1rem;
    display: flex;
    justify-content: center;
}

.parts-map__svg {
    width: 100%;
    max-width: 600px;
    height: auto;
}

/* Teile-Legende */
.parts-map__legend {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--color-border);
    background: #fafafa;
}

.parts-map__legend-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.parts-map__legend-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    list-style: none;
}

.parts-map__legend-btn {
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.35rem 0.7rem;
    border: 1px solid var(--color-border);
    border-radius: 5px;
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: inherit;
}

.parts-map__legend-btn:hover {
    background: #f0fdf4;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.parts-map__legend-btn--active {
    background: #f0fdf4;
    color: var(--color-primary);
    border-color: var(--color-primary);
    font-weight: 600;
    box-shadow: inset 0 -2px 0 var(--color-primary);
}