:root {
    --accent-strong: #ff7a00;
    --accent-soft: #ffe2b8;
    --accent-secondary: #ffc857;
}

.content {
    max-width: 1200px;
    margin: 24px auto 40px;
    padding: 0 16px;
}

.card {
    background: var(--bg-card);
    padding: 20px 20px 22px;
    margin-bottom: 18px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border: 2px solid rgba(0,0,0,0.03);
}

.card-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.card-header h1 {
    margin: 0;
    font-size: 1.7rem;
}

.card-header p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-light, var(--text-muted, #6b7280));
}

.search-row {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1 1 260px;
    max-width: 420px;
    background: rgba(255,255,255,0.9);
    border-radius: var(--radius-pill);
    padding: 6px 10px 6px 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    border: 2px solid rgba(0,0,0,0.03);
}

.search-box span.icon {
    font-size: 1.1rem;
}

.search-box input {
    flex: 1;
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 0.95rem;
    background: transparent;
    color: var(--text-main, #111827);
}

.search-box button {
    border: 1.5px solid rgba(0,0,0,0.08);
    border-radius: var(--radius-pill);
    padding: 6px 12px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    background: #fff;
    color: var(--text, #111827);
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.search-box button:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(0,0,0,0.12);
}

.filters {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1 1 200px;
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}

.filter-label {
    font-size: 0.8rem;
    color: var(--text-muted, #6b7280);
}

.filter-btn {
    border-radius: var(--radius-pill);
    border: none;
    background: rgba(255,255,255,0.85);
    padding: 6px 14px;
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--text-muted, #6b7280);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.06);
    transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.1s ease;
}

.filter-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.12);
    background: var(--accent-soft);
}

.filter-btn span.dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    display: inline-block;
}

.dot-vocabulary {
    background: #22c55e;
}

.dot-grammar {
    background: #4f46e5;
}

.dot-topic {
    background: #22c55e;
}

.filter-btn.active {
    background: var(--accent-strong);
    color: #000;
}

.filter-btn-level[data-level="A1"] { border-bottom: 3px solid #22c55e; }
.filter-btn-level[data-level="A2"] { border-bottom: 3px solid #16a34a; }
.filter-btn-level[data-level="B1"] { border-bottom: 3px solid #3b82f6; }
.filter-btn-level[data-level="B2"] { border-bottom: 3px solid #1d4ed8; }
.filter-btn-level[data-level="C1"] { border-bottom: 3px solid #f97316; }
.filter-btn-level[data-level="C2"] { border-bottom: 3px solid #ea580c; }

.sort-box {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    background: rgba(255,255,255,0.9);
    border-radius: var(--radius-pill);
    padding: 6px 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    border: 2px solid rgba(0,0,0,0.03);
    font-size: 0.8rem;
    position: relative;
}

.sort-box label {
    color: var(--text-muted, #6b7280);
}

.sort-box select {
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 18px;
}

.sort-box::after {
    content: "▾";
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    font-size: 0.7rem;
}

.listing-grid,
.lesson-grid,
.game-grid {
    display: grid;
    gap: 18px;
    margin-top: 10px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 900px) {
    .listing-grid,
    .lesson-grid,
    .game-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .listing-grid,
    .lesson-grid,
    .game-grid {
        grid-template-columns: 1fr;
    }
    .search-row {
        flex-direction: column;
        align-items: stretch;
    }
    .sort-box {
        margin-left: 0;
    }
}

.listing-card,
.lesson-card,
.game-card {
    background: rgba(255,255,255,0.95);
    border-radius: var(--radius-lg);
    padding: 14px 14px 16px;
    box-shadow: var(--shadow-soft);
    border: 2px solid rgba(0,0,0,0.03);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
    position: relative;
}

.listing-card:hover,
.lesson-card:hover,
.game-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.12);
    border-color: rgba(0,0,0,0.06);
}

.thumb-wrapper {
    margin: -4px -4px 10px;
    border-radius: 14px;
    overflow: hidden;
    background: var(--bg-card-alt);
}

.listing-thumb,
.lesson-thumb,
.game-thumb {
    display: block;
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.listing-card h2,
.lesson-card h2,
.game-card h2 {
    margin: 0 0 4px;
    font-size: 1.05rem;
}

.listing-card p,
.lesson-card p,
.game-card p {
    margin: 0 0 10px;
    font-size: 0.9rem;
    color: var(--text-muted, #6b7280);
    white-space: pre-wrap;
}

.status-banner {
    display: block;
    margin: -4px -4px 10px;
    padding: 5px 10px;
    border-radius: 10px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.status-banner-completed {
    background: #16a34a;
    color: #f9fafb;
}

.status-banner-progress {
    background: #fb923c;
    color: #2b1103;
}

.lesson-card-completed {
    border-color: rgba(22, 163, 74, 0.35);
}

.lesson-card-progress {
    border-color: rgba(249, 115, 22, 0.35);
}

.progress-filters-note {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 6px;
}

.tag-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted, #6b7280);
    margin-top: 4px;
    gap: 8px;
}

.tag-row-left {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.badge-level {
    padding: 3px 9px;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 600;
    color: #000;
}

.badge-level.level-A1 { background: #dcfce7; border: 1px solid #22c55e; }
.badge-level.level-A2 { background: #bbf7d0; border: 1px solid #16a34a; }
.badge-level.level-B1 { background: #dbeafe; border: 1px solid #3b82f6; }
.badge-level.level-B2 { background: #bfdbfe; border: 1px solid #1d4ed8; }
.badge-level.level-C1 { background: #ffedd5; border: 1px solid #f97316; }
.badge-level.level-C2 { background: #fed7aa; border: 1px solid #ea580c; }

.start-link {
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    color: #000;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    background: var(--accent-secondary);
    box-shadow: 0 3px 8px rgba(0,0,0,0.08);
    transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.1s ease;
    white-space: nowrap;
}

.start-link:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 12px rgba(0,0,0,0.15);
    background: var(--accent-strong);
}

.empty {
    margin-top: 8px;
    color: var(--text-muted, #6b7280);
    font-size: 0.95rem;
}

.subtitle-note {
    font-size: 0.85rem;
    color: var(--text-muted, #6b7280);
    margin-top: 6px;
}

.badge-ebook {
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #eef2ff;
    color: #4b5563;
}

.badge-ebook::before {
    content: "📚";
}

.badge-access {
    padding: 3px 9px;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-access-account {
    background: #eef2ff;
    color: #3730a3;
    border: 1px solid #4f46e5;
}

.badge-access-premium {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #f59e0b;
}

.listing-card-locked .listing-card-inner,
.lesson-card-locked .lesson-card-inner {
    filter: blur(1px);
}

.listing-card-locked .start-link,
.lesson-card-locked .start-link {
    pointer-events: none;
}

.access-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 12px;
    z-index: 2;
    backdrop-filter: blur(2px);
}

.access-overlay-inner {
    max-width: 220px;
    font-size: 0.9rem;
    color: var(--text-main, #111827);
}

.access-overlay-inner strong {
    display: block;
    margin-bottom: 4px;
}

.overlay-link {
    display: inline-block;
    margin-top: 8px;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    background: #000;
    color: #fff;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
}

.overlay-link:hover {
    background: var(--accent-strong);
    color: #000;
}

.badge-vocabulary,
.badge-grammar {
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-vocabulary {
    background: #ecfdf5;
    color: #166534;
}

.badge-grammar {
    background: #eef2ff;
    color: #4b5563;
}

.badge-topic {
    background: #ecfdf5;
    color: #166534;
}

.badge-vocabulary::before {
    content: "🔤";
}

.badge-grammar::before {
    content: "📘";
}

.badge-topic::before {
    content: "🗺️";
}

.badge-time {
    padding: 3px 9px;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 600;
    background: #f1f5f9;
    color: #0f172a;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-time::before {
    content: "⏱";
}