.progress-bar-top {
    background-color: var(--bg-secondary);
    padding: 16px 48px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.progress-info {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.progress-segments {
    display: flex;
    width: 300px;
    height: 8px;
    background-color: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.segment {
    height: 100%;
    transition: width 0.5s;
}

.segment-easy {
    background-color: var(--accent-green);
}

.segment-medium {
    background-color: var(--accent-yellow);
}

.segment-hard {
    background-color: var(--accent-red);
}

.problems-layout {
    display: flex;
    padding: 40px 5%;
    gap: 32px;
}

.sidebar {
    width: 250px;
    flex-shrink: 0;
}

.main-content {
    flex: 1;
}

.filters-panel {
    background-color: var(--bg-secondary);
    padding: 24px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border);
}

.filters-panel h3 {
    margin-bottom: 24px;
    font-size: 1.2rem;
}

.filter-group {
    margin-bottom: 24px;
}

.filter-group h4 {
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.filter-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    cursor: pointer;
}

.filter-group select {
    width: 100%;
    padding: 8px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 4px;
}

.controls-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 24px;
}

.search-box {
    position: relative;
    width: 300px;
}

.search-box input {
    width: 100%;
    padding: 10px 16px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-green);
}

.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 8px 8px;
    z-index: 10;
    max-height: 200px;
    overflow-y: auto;
}

.autocomplete-item {
    padding: 8px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
}

.autocomplete-item:hover {
    background: var(--bg-tertiary);
}

.sort-select {
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 4px;
}

.table-info-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.table-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.page-selector {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.page-selector label {
    margin-right: 8px;
}

.table-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.problems-table {
    width: 100%;
    border-collapse: collapse;
}

.problems-table th,
.problems-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.problems-table th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.problems-table tr {
    transition: 0.2s;
}

.problems-table tbody tr:hover {
    background-color: var(--bg-tertiary);
    transform: translateX(4px);
    cursor: pointer;
}

.problems-table td {
    color: var(--text-primary);
}

.status-icon {
    color: var(--accent-green);
    font-weight: bold;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
}

/* MOBILE RESPONSIVENESS */
@media (max-width: 900px) {
    .problems-layout {
        flex-direction: column;
        padding: 24px 5%;
    }

    .sidebar {
        width: 100%;
        margin-bottom: 24px;
    }

    .controls-bar {
        flex-direction: column;
        gap: 16px;
    }

    .search-box {
        width: 100%;
    }

    .table-container {
        overflow-x: hidden;
        background: transparent;
        border: none;
    }

    .problems-table {
        min-width: unset;
        width: 100%;
    }

    .problems-table thead {
        display: none;
    }

    .problems-table tbody tr {
        display: flex;
        flex-direction: column;
        background-color: var(--bg-secondary);
        border: 1px solid var(--border);
        border-radius: var(--border-radius-md);
        margin-bottom: 16px;
        padding: 16px;
    }

    .problems-table tbody tr:hover {
        transform: translateY(-2px);
    }

    .problems-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 10px 0;
        border-bottom: 1px solid var(--border);
        text-align: right;
    }

    .problems-table td:last-child {
        border-bottom: none;
    }

    .problems-table td::before {
        font-weight: 600;
        color: var(--text-secondary);
        font-size: 0.85rem;
        text-transform: uppercase;
        margin-right: 16px;
    }

    .problems-table td:nth-child(1)::before {
        content: "#";
    }

    .problems-table td:nth-child(2)::before {
        content: "Status";
    }

    .problems-table td:nth-child(3)::before {
        content: "Title";
    }

    .problems-table td:nth-child(4)::before {
        content: "Category";
    }

    .problems-table td:nth-child(5)::before {
        content: "Difficulty";
    }

    .problems-table td:nth-child(6)::before {
        content: "Acceptance";
    }

    .progress-bar-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 16px 24px;
    }

    .progress-segments {
        width: 100%;
    }
}