/* Topic Overview Page */

/* Mobile-First: Basis-Styles gelten für mobile Geräte */
/* VERPFLICHTEND: Horizontal Overflow verhindern (Regel 011-ui-css-mobile.mdc 005.001) */
.topic-overview-container {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
    width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
}

.page-title {
    padding: 18px;
}

/* Card - Container für Topics-Grid */
.card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--card);
    box-shadow: 0 10px 22px rgba(2,6,23,.06);
}

/* Topic Grid */
/* Mobile-First: Basis-Styles gelten für mobile Geräte - 1 Spalte */
.topic-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 18px;
}

/* Topic Card */
.topic {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--card);
    box-shadow: 0 10px 22px rgba(2,6,23,.06);
}

.topic .thumb {
    height: 120px;
    position: relative;
    overflow: hidden;
}

.topic .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.topic .thumb.thumb-placeholder {
    background:
        radial-gradient(650px 240px at 20% 20%, rgba(255, 140, 0, .65), transparent 55%),
        radial-gradient(520px 220px at 70% 10%, rgba(34,197,94,.52), transparent 55%),
        linear-gradient(135deg, var(--nav-gradient-1), var(--nav-gradient-2));
}

.topic .body {
    padding: 12px 12px 14px;
}

.topic h3 {
    margin: 0 0 6px;
    font-size: 16px;
    font-weight: 900;
}

/* Meta2 */
.meta2 {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--muted);
}

.meta2 span.active {
    color: var(--pro);
    font-weight: 900;
}

.meta2 span.medium {
    color: var(--muted);
    font-weight: 900;
}

.meta2 span.inactive {
    color: var(--muted);
    font-weight: 900;
}

/* Topic Actions */
.topic .actions {
    margin-top: 10px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.topic .actions a {
    padding: 8px 10px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--card);
    font-weight: 900;
    font-size: 13px;
    text-decoration: none;
    color: var(--text);
    display: inline-block;
    transition: opacity 0.2s ease;
}

.topic .actions a:hover {
    opacity: 0.9;
}

.topic .actions a:first-child {
    border-color: rgba(34,197,94,.25);
    background: rgba(34,197,94,.08);
    color: var(--pro);
}

.topic .actions a:nth-child(2) {
    border-color: rgba(249,115,22,.25);
    background: rgba(249,115,22,.08);
    color: var(--contra);
}

/* Empty State */
.topic-overview-empty {
    padding: 18px;
    text-align: center;
}

.topic-overview-empty-message {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--muted);
}

/* Pager */
/* Mobile-First: Basis-Styles gelten für mobile Geräte */
.topic-overview-pager {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px 18px;
    margin-top: 8px;
    gap: 16px;
    flex-wrap: wrap;
}

.topic-overview-pager-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--card);
    font-family: var(--font-family-primary);
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(2, 6, 23, 0.04);
}

.topic-overview-pager-link:hover {
    background: var(--color-surface-secondary);
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 4px 8px rgba(2, 6, 23, 0.08);
    transform: translateY(-1px);
}

.topic-overview-pager-link:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(2, 6, 23, 0.04);
}

.topic-overview-pager-link-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
    background: var(--color-surface-secondary);
}

.topic-overview-pager-link-text {
    font-size: 14px;
    line-height: 1.4;
}

.topic-overview-pager-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-family: var(--font-family-primary);
    font-size: 14px;
    color: var(--muted);
    font-weight: 600;
}

.topic-overview-pager-info-current {
    color: var(--text);
    font-weight: 900;
    font-size: 16px;
}

.topic-overview-pager-info-separator {
    color: var(--muted);
    font-weight: 500;
}

.topic-overview-pager-info-total {
    color: var(--muted);
    font-weight: 700;
}

/* Mobile-First: Responsive Design - Regel 022: 4 Breakpoints */
/* Basis-Styles gelten für mobile (max-width: 576px) - keine Media Query erforderlich */

/* Tablet/iPad (min-width: 600px) */
@media (min-width: 600px) {
    .topic-overview-container {
        max-width: 100%;
    }
    
    .topic-overview-pager {
        padding: 28px 18px;
        gap: 20px;
    }
    
    .topic-overview-pager-link {
        padding: 12px 20px;
        font-size: 15px;
    }
    
    .topic-overview-pager-info {
        padding: 12px 24px;
        font-size: 15px;
    }
    
    .topic-overview-pager-info-current {
        font-size: 18px;
    }
}

/* Kleiner Desktop/13-Zoll (min-width: 1024px) */
@media (min-width: 1024px) {
    .topic-overview-container {
        max-width: var(--max);
    }
    
    /* Topic Grid: 2 Spalten ab Desktop */
    .topic-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .topic-overview-pager {
        padding: 32px 18px;
        gap: 24px;
    }
    
    .topic-overview-pager-link {
        padding: 14px 24px;
        font-size: 16px;
    }
    
    .topic-overview-pager-info {
        padding: 14px 28px;
        font-size: 16px;
    }
    
    .topic-overview-pager-info-current {
        font-size: 20px;
    }
}

/* Großer Desktop/Widescreen (min-width: 1440px) */
@media (min-width: 1440px) {
    .topic-overview-container {
        max-width: var(--max);
    }
    
    /* Topic Grid: 3 Spalten ab Widescreen */
    .topic-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}