.mtp-test-grid {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    margin: 20px auto;
    max-width: 1000px;
    width: 100%;
    box-sizing: border-box;
    font-size: 12px;
}

.mtp-test-grid-single {
    max-width: 720px;
}

.mtp-card {
    position: relative;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
    border: 1.5px solid #cbd5e1;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(30, 58, 95, 0.08);
    font-size: 12px;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.mtp-card::before {
    content: '';
    display: block;
    height: 4px;
    background: linear-gradient(90deg, #6366f1, #06b6d4 50%, #22c55e);
}

.mtp-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(30, 58, 95, 0.16);
}

.mtp-card-body {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding: 16px 20px;
}

.mtp-card-main {
    flex: 1 1 320px;
    min-width: 0;
}

.mtp-card-badges {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.mtp-badge-pill {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 5px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    color: #fff;
}

.mtp-badge-pill-live {
    background: #dc2626;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.mtp-live-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #fff;
}

.mtp-badge-pill-free {
    background: #16a34a;
}

.mtp-badge-pill-paid {
    background: #ea580c;
}

.mtp-badge-pill-negative {
    background: #fee2e2;
    color: #b91c1c;
    text-transform: none;
}

.mtp-badge-pill-sections {
    background: #ede9fe;
    color: #5b21b6;
    text-transform: none;
}

.mtp-badge-pill-difficulty-easy {
    background: #dcfce7;
    color: #166534;
}

.mtp-badge-pill-difficulty-medium {
    background: #fef3c7;
    color: #92400e;
}

.mtp-badge-pill-difficulty-hard {
    background: #fee2e2;
    color: #b91c1c;
}

.mtp-lock-icon {
    font-size: 14px;
}

.mtp-card-title-row {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 8px;
}

.mtp-card-title {
    margin: 0;
    font-size: 12px;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.4;
}

.mtp-card-stat {
    font-size: 12px;
    color: #b45309;
    white-space: nowrap;
}

.mtp-card-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.mtp-meta-item {
    font-size: 12px;
    color: #64748b;
    white-space: nowrap;
}

.mtp-card-sections {
    font-size: 12px;
    color: #475569;
    background: #f1f5f9;
    border-radius: 6px;
    padding: 6px 9px;
    margin-top: 10px;
    border-left: 3px solid #6366f1;
}

.mtp-card-action {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}

.mtp-card-action .mtp-btn {
    min-width: 220px;
    padding: 15px 24px;
}

.mtp-btn {
    display: inline-block;
    text-align: center;
    padding: 12px 22px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-weight: 700;
    font-size: 12px;
    cursor: pointer;
    text-decoration: none;
    box-sizing: border-box;
    min-width: 150px;
    transition: filter 0.15s ease, transform 0.1s ease;
}

.mtp-btn:hover {
    filter: brightness(1.06);
}

.mtp-btn:active {
    transform: scale(0.98);
}

.mtp-btn-start {
    background: linear-gradient(90deg, #16a34a, #22c55e);
    color: #fff;
}

.mtp-btn-pay {
    background: linear-gradient(90deg, #f59e0b, #f97316);
    color: #fff;
}

.mtp-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.mtp-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 20px;
    background: #f8fafc;
    border-top: 1px solid #eef0f4;
    font-size: 12px;
    color: #64748b;
}

.mtp-card-lang {
    color: #2563eb;
    font-weight: 600;
}

.mtp-card-date {
    color: #94a3b8;
}

.mtp-card-share {
    background: none !important;
    background-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
    color: #16a34a !important;
    font-weight: 700 !important;
    font-size: 12px !important;
    cursor: pointer;
    padding: 0 !important;
    margin: 0 !important;
    width: auto !important;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    text-align: left;
    text-transform: none;
    appearance: none;
    -webkit-appearance: none;
    line-height: normal;
}

.mtp-card-share:hover,
.mtp-card-share:focus,
.mtp-card-share:active {
    background: none !important;
    color: #16a34a !important;
    text-decoration: underline;
    outline: none;
}

.mtp-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    padding: 16px;
}

.mtp-modal-box {
    background: #fff;
    padding: 20px 26px;
    border-radius: 10px;
    font-size: 12px;
    max-width: 90vw;
    text-align: center;
}

@media (max-width: 640px) {
    .mtp-card-body {
        flex-direction: column;
        align-items: stretch;
        padding: 14px 16px;
    }
    .mtp-card-action {
        width: 100%;
    }
    .mtp-card-action .mtp-btn {
        width: 100%;
        min-width: 0;
    }
    .mtp-card-footer {
        padding: 8px 16px;
        font-size: 12px;
    }
    .mtp-card-meta-row {
        gap: 10px;
    }
}

.mtp-leaderboard {
    font-size: 12px;
    max-width: 560px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 16px;
    background: #fff;
}

.mtp-leaderboard h3 {
    margin: 0 0 12px;
    font-size: 13px;
    color: #1e3a5f;
}

.mtp-leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.mtp-leaderboard-table th {
    text-align: left;
    padding: 8px;
    background: #f8fafc;
    font-size: 12px;
    text-transform: uppercase;
    color: #666;
}

.mtp-leaderboard-table td {
    padding: 8px;
    border-top: 1px solid #f0f0f0;
    font-size: 12px;
}

.mtp-rank-cell {
    font-weight: 700;
    font-size: 12px;
    text-align: center;
    width: 40px;
}

.mtp-leaderboard-table tr.mtp-rank-1 { background: #fff9e6; }
.mtp-leaderboard-table tr.mtp-rank-2 { background: #f5f5f5; }
.mtp-leaderboard-table tr.mtp-rank-3 { background: #fdf3e7; }
.mtp-leaderboard-table tr.mtp-rank-me { outline: 2px solid #2271b1; outline-offset: -2px; }

.mtp-leaderboard-back {
    margin-top: 14px;
}

.mtp-question-block {
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid #eee;
    font-size: 12px;
}

.mtp-option {
    display: block;
    margin: 4px 0;
    font-size: 12px;
}

.mtp-result-box {
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #f9fafb;
    font-size: 12px;
}