.tool-header {
    padding: 2.5rem 0 1.5rem;
}

.tool-header .breadcrumb {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0.8rem;
}

.tool-header .breadcrumb a {
    color: var(--color-text-secondary);
}

.tool-header .breadcrumb a:hover {
    color: var(--color-accent);
}

.tool-header .breadcrumb .current {
    color: var(--color-text-primary);
    font-weight: 500;
}

.tool-header h1 {
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 0.5rem;
}

.tool-card {
    background: var(--color-surface);
    border-radius: var(--radius-card);
    padding: 2rem 2rem 1.8rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    margin-bottom: 1.5rem;
}

.tool-card.maximum {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
}

.tool-card .card-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.tool-card .card-title .card-minmax {
    float: right;
    background: none;
    border: none;
    font-size: 0.75rem;
    color: var(--color-text-light);
    cursor: pointer;
    transition: color var(--transition);
    line-height: 1;
    padding: 0;
}

.tool-card .card-title .card-minmax i {
    color: var(--color-text);
}

.tool-card .card-title i {
    color: var(--color-accent);
}

.time-grid input {
    padding: 0.5rem 0.8rem;
    font-size: 0.85rem;
    border-radius: 8px;
}


.binary-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
}

.binary-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-accent);
    cursor: pointer;
}

.time-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.time-grid .time-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.time-grid .time-item label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.time-grid .time-item .time-value {
    padding: 0.4rem 0.8rem;
    background: var(--color-bg);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-primary);
    min-height: 38px;
    display: flex;
    align-items: center;
}

.time-grid .time-item .time-value .empty-hint {
    color: var(--color-text-muted);
    font-family: var(--font-sans);
}

.inline-select {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin: 0.5rem 0;
}

.inline-select label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .compare-grid {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .compare-grid .vs {
        padding: 0.2rem 0;
    }

    .time-grid {
        grid-template-columns: 1fr;
    }

    .tool-card {
        padding: 1.2rem;
    }

    .container {
        padding: 0 1rem;
    }


}