.fmu-streaming {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 0;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    height: 100%;
    max-height: 100%;
    overflow: hidden;
}

.fmu-streaming__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.08);
    margin-bottom: 1rem;
}

.fmu-streaming__title h3 {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fmu-streaming__title p {
    margin: 0.5rem 0 0;
    font-size: 1rem;
    color: var(--textcolor-80contrast, var(--slate-500));
    font-weight: 500;
}

.fmu-status {
    padding: 0.5rem 1.25rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: linear-gradient(135deg, rgba(var(--slate-400-rgb), 0.3), rgba(var(--slate-400-rgb), 0.1));
    color: var(--slate-600);
    border: 2px solid rgba(var(--slate-400-rgb), 0.3);
    transition: all 0.3s ease;
}

.fmu-status--running {
    background: linear-gradient(135deg, rgba(var(--success-rgb), 0.3), rgba(var(--success-rgb), 0.1));
    border-color: rgba(var(--success-rgb), 0.4);
    color: var(--success-800);
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.fmu-status--stopped {
    background: linear-gradient(135deg, rgba(var(--error-rgb), 0.3), rgba(var(--error-rgb), 0.1));
    border-color: rgba(var(--error-rgb), 0.4);
    color: var(--error-800);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .8; }
}

.fmu-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: linear-gradient(145deg, rgba(var(--neutrals-0-rgb), 0.98), rgba(248, 250, 255, 0.95));
    border: 1px solid rgba(var(--primary-rgb), 0.08);
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 8px 32px rgba(var(--primary-rgb), 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 500px;
}

.fmu-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(var(--primary-rgb), 0.08);
}

.fmu-section__toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
}

.fmu-section__toolbar > div {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.fmu-control {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
}

.fmu-control input[type="number"] {
    width: 100px;
    border-radius: 14px;
    border: 2px solid rgba(var(--primary-rgb), 0.2);
    padding: 0.6rem 0.9rem;
    font-weight: 600;
    color: var(--gray-800);
    background: linear-gradient(135deg, var(--neutrals-0) 0%, var(--slate-50) 100%);
    transition: all 0.3s ease;
}

.fmu-control input[type="number"]:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.fmu-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.fmu-actions--saved {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    width: 100%;
    gap: 0.75rem;
}

.fmu-action-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    min-height: 48px;
    border-radius: 14px;
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.fmu-action-button__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.fmu-action-button__icon svg {
    width: 18px;
    height: 18px;
}

.fmu-action-button__label {
    text-align: center;
}

.btn-primary .fmu-action-button__label {
    color: white;
}

.fmu-action-button:hover,
.fmu-action-button:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(var(--primary-rgb), 0.12);
}

.fmu-action-button:focus-visible {
    outline: 3px solid rgba(var(--primary-rgb), 0.28);
    outline-offset: 2px;
}

#saveMeasurementBtn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

.fmu-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.75rem;
}

.fmu-badge {
    border-radius: 16px;
    padding: 1.25rem;
    background: linear-gradient(135deg, var(--neutrals-0) 0%, rgba(var(--primary-rgb), 0.03) 100%);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    border: 1px solid rgba(var(--primary-rgb), 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.fmu-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.fmu-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.1);
    border-color: rgba(var(--primary-rgb), 0.15);
}

.fmu-badge__label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--slate-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.fmu-badge__value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    font-family: 'Inter', sans-serif;
}

.fmu-chart-wrapper {
    position: relative;
    width: 100%;
    min-height: 450px;
    height: 450px;
    border-radius: 18px;
    background: linear-gradient(145deg, rgba(var(--neutrals-0-rgb), 0.95), rgba(248, 250, 255, 0.9));
    padding: 20px;
    border: 1px solid rgba(var(--primary-rgb), 0.08);
    box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.04);
}

.fmu-chart-wrapper canvas {
    width: 100% !important;
    height: 100% !important;
}

.fmu-empty-state {
    margin: 0;
    color: rgba(var(--slate-600-rgb), 0.9);
    font-size: 0.95rem;
}

.fmu-table-wrapper {
    border-radius: 12px;
    border: 1px solid rgba(var(--slate-200-rgb), 0.9);
    overflow-x: auto;
    background: rgba(248, 250, 252, 0.8);
    display: flex;
    flex-direction: column;
}

#measurementsTable {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

#measurementsTable thead th {
    background: var(--gradient-primary);
    color: var(--neutrals-0);
    font-weight: 700;
    padding: 1rem;
    border: none;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
}

#measurementsTable thead th:first-child {
    border-top-left-radius: 12px;
}

#measurementsTable thead th:last-child {
    border-top-right-radius: 12px;
}

#measurementsTable tbody td {
    background: rgba(var(--neutrals-0-rgb), 0.95);
    border-bottom: 1px solid rgba(var(--slate-200-rgb), 0.8);
    padding: 0.7rem;
    vertical-align: middle;
    font-size: 0.93rem;
}

#measurementsTable tbody tr:last-child td:first-child {
    border-bottom-left-radius: 12px;
}

#measurementsTable tbody tr:last-child td:last-child {
    border-bottom-right-radius: 12px;
}

#measurementsTable tbody tr:hover td {
    background: rgba(224, 242, 254, 0.4);
}

.fmu-table__time {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    line-height: 1.2;
}

.fmu-time-main {
    font-weight: 600;
}

.fmu-time-sub {
    font-size: 0.75rem;
    color: rgba(var(--slate-600-rgb), 0.85);
}

@keyframes dataLoad {
    0% { opacity: 0; transform: translateY(10px); }
    100% { opacity: 1; transform: translateY(0); }
}

.fmu-badge[data-updated="true"] {
    animation: dataLoad 0.4s ease-out;
}

/* Tab Navigation */
.fmu-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid rgba(var(--primary-rgb), 0.1);
    margin-bottom: 1.5rem;
}

.fmu-tab {
    flex: 1;
    padding: 14px 20px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: rgba(var(--primary-rgb), 0.7);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.fmu-tab:hover {
    background: rgba(var(--primary-rgb), 0.03);
    color: rgba(var(--primary-rgb), 0.9);
}

.fmu-tab--active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.05);
}

.fmu-tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
    height: 100%;
    min-height: 600px;
}

.fmu-tab-content--active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Header Actions */
.fmu-header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* .btn-icon moved to base/buttons.css (Phase 3d-5). */

/* Tab Hints */
.fmu-tab-hint {
    margin: 0 0 1rem;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    color: var(--textcolor-80contrast, var(--slate-600));
    background: rgba(var(--primary-rgb), 0.03);
    border-left: 3px solid rgba(var(--primary-rgb), 0.3);
    border-radius: 0 var(--radius-sm, 6px) var(--radius-sm, 6px) 0;
    line-height: 1.5;
}

/* Visualization Grid (inline, like linear regression axis selection) */
.fmu-viz-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    grid-template-rows: 1fr auto;
    grid-template-areas:
        "yaxis chart"
        ".     xaxis";
    gap: 0;
    flex: 1;
    min-height: 0;
}

.fmu-viz-axis-wrap {
    display: flex;
    align-items: stretch;
}

.fmu-viz-axis-wrap--y {
    grid-area: yaxis;
    flex-direction: row;
}

.fmu-viz-axis-wrap--x {
    grid-area: xaxis;
    flex-direction: column;
}

.fmu-viz-axis-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--gray-500);
    writing-mode: vertical-lr;
    text-orientation: mixed;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.fmu-viz-axis-wrap--x .fmu-viz-axis-label {
    writing-mode: horizontal-tb;
    padding: 3px 0 0 0;
}

.fmu-viz-options--y {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
    overflow-y: auto;
    overflow-x: hidden;
    max-width: 180px;
    min-width: 100px;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) transparent;
}

.fmu-viz-options--x {
    display: flex;
    flex-direction: row;
    gap: 5px;
    padding: 5px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) transparent;
}

.fmu-viz-option {
    border: 2px solid var(--surface-border-light);
    border-radius: 8px;
    padding: 8px 10px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background-color: var(--slate-50);
    transition: border-color 0.2s, background-color 0.2s, box-shadow 0.2s;
    flex: 1 1 0;
    gap: 2px;
    min-width: 0;
}

.fmu-viz-option.is-selected {
    border-color: var(--primary-color);
    background-color: rgba(var(--primary-rgb), 0.08);
    box-shadow: 0 0 0 1px rgba(var(--primary-rgb), 0.2);
}

.fmu-viz-option.is-selected span {
    color: var(--primary-color);
}

.fmu-viz-option:hover:not(.is-selected) {
    border-color: var(--gray-300);
    background-color: var(--surface-hover);
}

.fmu-viz-option span {
    margin: 0;
    font-weight: 600;
    color: var(--gray-700);
    text-align: center;
    font-size: 13px;
    pointer-events: none;
    white-space: nowrap;
    line-height: 1.3;
}

.fmu-viz-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.fmu-viz-chart-wrapper {
    grid-area: chart;
    position: relative;
    min-height: 400px;
    padding: 10px;
}

.fmu-viz-chart-wrapper canvas {
    width: 100% !important;
    height: 100% !important;
}

.fmu-viz-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding-top: 0.75rem;
}

.fmu-viz-empty {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--slate-400);
    font-size: 0.95rem;
}

/* Export Section */
.fmu-export-section {
    max-width: 500px;
}

.fmu-export-section label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--textcolor-80contrast, var(--slate-600));
}

.fmu-export-section input[type="text"] {
    width: 100%;
    padding: 0.6rem 1rem;
    border: 2px solid rgba(var(--primary-rgb), 0.2);
    border-radius: 10px;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    transition: border-color 0.2s;
}

.fmu-export-section input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.fmu-export-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Scoped button styles for FMU streaming */
.fmu-streaming .btn {
    padding: 0.75rem 1.5rem;
    border-radius: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.fmu-streaming .btn-primary {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.25);
}

.fmu-streaming .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.35);
}

.fmu-streaming .btn-success {
    background: linear-gradient(135deg, var(--success-500) 0%, var(--success-600) 100%);
    color: white;
    border-color: var(--success-500);
    box-shadow: 0 4px 15px rgba(var(--success-rgb), 0.25);
}

.fmu-streaming .btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--success-rgb), 0.35);
}

.fmu-streaming .btn-success:disabled {
    background: linear-gradient(135deg, var(--slate-400) 0%, var(--slate-500) 100%);
    border-color: var(--slate-400);
    cursor: not-allowed;
    opacity: 0.6;
}

.fmu-streaming .btn-outline-secondary {
    background: transparent;
    color: var(--slate-500);
    border-color: var(--slate-400);
}

.fmu-streaming .btn-outline-secondary:hover {
    background: rgba(var(--slate-400-rgb), 0.1);
    transform: translateY(-2px);
    color: var(--slate-600);
}

.fmu-streaming .btn-outline-danger {
    background: transparent;
    color: var(--error-500);
    border-color: var(--error-500);
}

.fmu-streaming .btn-outline-danger:hover {
    background: rgba(var(--error-rgb), 0.1);
    transform: translateY(-2px);
}

/* Info button (cyan-600) — dokumentierte Ausnahme, kein --info-color Token */
.fmu-streaming .btn-outline-info {
    background: transparent;
    color: #0891b2;
    border-color: #0891b2;
}

.fmu-streaming .btn-outline-info:hover {
    background: rgba(8, 145, 178, 0.1);
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .fmu-section {
        padding: 20px;
        border-radius: 16px;
        min-height: 400px;
    }

    .experiment-dashboard__data {
        max-height: 600px;
    }

    .fmu-section__toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .fmu-actions {
        width: 100%;
        justify-content: center;
        flex-direction: column;
    }

    .fmu-actions .btn {
        width: 100%;
    }

    .fmu-badges {
        grid-template-columns: 1fr;
    }

    .fmu-chart-wrapper {
        min-height: 320px;
        padding: 16px;
    }

    .fmu-viz-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
        grid-template-areas:
            "yaxis"
            "chart"
            "xaxis";
    }

    .fmu-viz-options--y {
        flex-direction: row;
        max-width: none;
        overflow-x: auto;
        overflow-y: hidden;
    }

    .fmu-viz-axis-wrap--y .fmu-viz-axis-label {
        writing-mode: horizontal-tb;
        padding: 3px 0 0 0;
    }
}