* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Inherit body styles from common.css */

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Inherit h1 styles from common.css */

.subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

/* Inherit card styles from common.css */

.card h2 {
    color: var(--accent-secondary);
    margin-bottom: 20px;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Knapsack Specific Styles - Minimalist */

.knapsack-type {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-fast);
}

.radio-option:hover {
    background: rgba(255, 255, 255, 0.08);
}

.radio-option input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--viz-purple);
}

.radio-option span {
    color: var(--text-primary);
    font-weight: 500;
}

.type-description {
    background: rgba(251, 191, 36, 0.1);
    padding: 15px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 25px;
    color: var(--viz-warning);
    font-size: 0.95rem;
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.input-group {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.input-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-field label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.input-field input {
    padding: 12px 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-primary);
    font-size: 1rem;
    width: 160px;
    transition: var(--transition-fast);
}

.input-field input:focus {
    border-color: var(--viz-purple);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

.items-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 25px 0;
}

.items-table th {
    background: rgba(255, 255, 255, 0.03);
    padding: 12px;
    color: var(--text-secondary);
    font-weight: 600;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.items-table td {
    padding: 12px;
    text-align: center;
    background: rgba(255, 255, 255, 0.01);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.items-table input {
    width: 80px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    background: rgba(0, 0, 0, 0.15);
    color: var(--text-primary);
    font-size: 1rem;
    text-align: center;
    transition: var(--transition-fast);
}

.items-table input:focus {
    background: rgba(0, 0, 0, 0.25);
    border-color: var(--viz-purple);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

.items-table input.name-input {
    width: 120px;
}

.items-table input.qty-input {
    width: 70px;
    border-color: rgba(96, 165, 250, 0.3);
}

.items-table input.qty-input:focus {
    border-color: var(--viz-info);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
}

.item-number {
    background: rgba(168, 85, 247, 0.15);
    color: var(--viz-purple);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.result-card {
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.05), rgba(96, 165, 250, 0.05));
    border: 1px solid rgba(74, 222, 128, 0.15);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.step-container {
    margin: 20px 0;
    padding: 25px;
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    border-left: 4px solid var(--viz-purple);
    overflow-x: auto;
}

.step-title {
    color: var(--light);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
}

.dp-table-container {
    overflow-x: auto;
    margin: 20px 0;
}

.dp-table {
    border-collapse: separate;
    border-spacing: 0;
    margin: 0 auto;
    font-size: 0.9rem;
}

.dp-table th {
    background: rgba(255, 255, 255, 0.03);
    padding: 10px 15px;
    color: var(--viz-purple);
    font-weight: 600;
    min-width: 45px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dp-table td {
    background: rgba(255, 255, 255, 0.01);
    padding: 10px 15px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    min-width: 45px;
}

.dp-table td.current-row {
    background: rgba(230, 200, 100, 0.2);
    box-shadow: inset 0 0 0 1px rgba(212, 185, 78, 0.4);
}

.dp-table td.current-cell {
    background: rgba(168, 85, 247, 0.15);
    color: var(--viz-purple);
    font-weight: 600;
    box-shadow: inset 0 0 0 1px rgba(168, 85, 247, 0.3);
}

.dp-table td.path-cell {
    background: rgba(74, 222, 128, 0.15);
    color: var(--viz-success);
    font-weight: 600;
    box-shadow: inset 0 0 0 1px rgba(74, 222, 128, 0.3);
}

.dp-table td.used-cell {
    background: rgba(74, 222, 128, 0.05);
    color: var(--viz-success);
}

.dp-table .row-header {
    background: rgba(255, 255, 255, 0.03);
    color: var(--viz-purple);
    font-weight: 600;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.dp-table td.cell-selected {
    background: rgba(74, 144, 226, 0.25);
    color: #4a90e2;
    font-weight: 600;
    box-shadow: inset 0 0 0 2px rgba(74, 144, 226, 0.5);
}

.dp-table td.cell-not-selected {
    background: rgba(196, 122, 122, 0.2);
    color: #c47a7a;
    box-shadow: inset 0 0 0 2px rgba(196, 122, 122, 0.4);
}

.dp-table td.optimal-value {
    background: rgba(168, 85, 247, 0.25);
    color: #a855f7;
    font-weight: 700;
    box-shadow: inset 0 0 0 2px rgba(168, 85, 247, 0.5);
}

.formula-box {
    background: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: var(--border-radius-sm);
    margin: 15px 0;
    font-family: 'Fira Code', monospace;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.formula-box code {
    color: var(--viz-purple);
}

.final-result {
    text-align: center;
    padding: 35px;
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    margin-top: 30px;
    border: 1px solid rgba(74, 222, 128, 0.15);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.final-result h3 {
    color: #DADD98;
    font-size: 1.8rem;
    margin-bottom: 25px;
    letter-spacing: -0.02em;
}

.selected-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin: 25px 0;
}

.selected-item {
    background: rgba(168, 85, 247, 0.1);
    padding: 15px 25px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid rgba(168, 85, 247, 0.2);
    min-width: 120px;
}

.selected-item .item-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--viz-purple);
}

.selected-item .item-details {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.total-values {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.total-box {
    text-align: center;
}

.total-box .label {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.total-box .value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--viz-success);
    letter-spacing: -0.02em;
}

.total-box .value.weight {
    color: var(--viz-warning);
}

.backtrack-step {
    background: rgba(0, 255, 136, 0.1);
    padding: 10px 15px;
    border-radius: 8px;
    margin: 5px 0;
    font-size: 0.9rem;
}

.hidden {
    display: none;
}

@media (max-width: 768px) {
    h1 {
        font-size: 1.8rem;
    }

    .input-group {
        flex-direction: column;
    }

    .input-field input {
        width: 100%;
    }

    .total-values {
        flex-direction: column;
        gap: 15px;
    }

    .knapsack-type {
        flex-direction: column;
    }
}