.pipeline-header {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 2rem 0;
        margin-bottom: 2rem;
    }

    .step-container {
        margin-bottom: 2rem;
    }

    .step-card {
        border: 1px solid #e3e6f0;
        border-radius: 0.5rem;
        margin-bottom: 1.5rem;
        box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    }

    .step-header {
        background-color: #f8f9fc;
        border-bottom: 1px solid #e3e6f0;
        padding: 1rem 1.5rem;
        border-radius: 0.5rem 0.5rem 0 0;
    }

    .step-content {
        padding: 1.5rem;
        line-height: 1.6;
    }

    .pipeline-nav {
        position: sticky;
        top: 20px;
        background: white;
        border: 1px solid #e3e6f0;
        border-radius: 0.5rem;
        padding: 1rem;
        box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    }

    .pipeline-step {
        padding: 0.5rem 0.75rem;
        margin: 0.25rem 0;
        border-radius: 0.25rem;
        cursor: pointer;
        transition: all 0.2s ease;
        text-decoration: none;
        color: #5a5c69;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .pipeline-step .step-number {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 24px;
        height: 24px;
        border-radius: 50%;
        background-color: #e3e6f0;
        color: #5a5c69;
        font-size: 0.75rem;
        font-weight: 600;
        flex-shrink: 0;
        transition: all 0.2s ease;
    }

    .pipeline-step .step-number.complete {
        background-color: #1cc88a;
        color: white;
    }

    .pipeline-step .step-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 24px;
        height: 24px;
        flex-shrink: 0;
    }

    .pipeline-step .step-label {
        flex: 1;
        font-size: 0.875rem;
    }

    .pipeline-step .step-check {
        color: #1cc88a;
        font-size: 0.875rem;
    }

    .pipeline-step .step-lock {
        color: #858796;
        font-size: 0.75rem;
    }

    .pipeline-step.active {
        background-color: #4e73df;
        color: white;
    }

    .pipeline-step.active .step-number {
        background-color: white;
        color: #4e73df;
    }

    .pipeline-step.active .step-number.complete {
        background-color: #1cc88a;
        color: white;
    }

    .pipeline-step.active .step-check {
        color: white;
    }

    .pipeline-step.completed:not(.active) {
        background-color: #f0fdf4;
    }

    .pipeline-step.disabled {
        opacity: 0.5;
        cursor: not-allowed;
        pointer-events: none;
    }

    .pipeline-step:hover:not(.active):not(.disabled) {
        background-color: #f8f9fc;
        text-decoration: none;
        color: #5a5c69;
    }

    .pipeline-step.active:hover {
        background-color: #375a7f;
        color: white;
    }

    /* Step groups with substeps */
    .pipeline-step-group {
        margin: 0.25rem 0;
    }

    .pipeline-step-group.disabled {
        opacity: 0.5;
    }

    .pipeline-substeps {
        display: none;
        padding-left: 1.75rem;
        margin-top: 0.25rem;
    }

    .pipeline-step-group.expanded .pipeline-substeps {
        display: block;
    }

    .pipeline-substep {
        display: block;
        padding: 0.25rem 0.5rem;
        margin: 0.125rem 0;
        border-radius: 0.25rem;
        text-decoration: none;
        color: #858796;
        font-size: 0.8rem;
        transition: all 0.2s ease;
    }

    .pipeline-substep:hover {
        background-color: #f8f9fc;
        color: #5a5c69;
        text-decoration: none;
    }

    .pipeline-substep.active {
        background-color: #e8f0fe;
        color: #4e73df;
        font-weight: 500;
    }

    .pipeline-substep .substep-label {
        margin-left: 0.25rem;
    }

    .pipeline-substep .substep-check {
        color: #1cc88a;
        font-size: 0.7rem;
        margin-left: 0.25rem;
    }

    .pipeline-substep .substep-lock {
        color: #858796;
        font-size: 0.65rem;
        margin-left: auto;
    }

    .pipeline-substep.disabled {
        cursor: not-allowed;
        opacity: 0.6;
        display: flex;
        align-items: center;
    }

    .pipeline-substep.disabled:hover {
        background-color: transparent;
        color: #858796;
    }

    .case-title {
        font-size: 1.25rem;
        font-weight: 600;
        color: #5a5c69;
        margin-bottom: 0.5rem;
    }

    .step-info {
        font-size: 0.875rem;
        color: #858796;
    }

    .navigation-buttons {
        margin-top: 2rem;
        padding-top: 1rem;
        border-top: 1px solid #e3e6f0;
    }