.led-page {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.led-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-4);
    padding: var(--spacing-5);
}

.led-header:hover,
.led-preview:hover {
    transform: none;
}

.led-eyebrow {
    color: var(--color-primary);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.led-title {
    margin-top: var(--spacing-1);
    font-size: 1.5rem;
}

.led-subtitle {
    color: var(--color-text-muted);
    font-size: 0.86rem;
    margin-top: var(--spacing-1);
}

.led-header-controls,
.led-actions,
.led-tabs,
.led-device-meta,
.led-preview-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.led-header-controls {
    justify-content: flex-end;
}

.led-device-select {
    min-width: 240px;
}

.led-grid {
    display: grid;
    grid-template-columns: minmax(330px, 440px) minmax(400px, 1fr);
    align-items: start;
    gap: var(--spacing-4);
}

.led-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.led-tabs {
    padding: var(--spacing-2);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.led-tab {
    flex: 1;
    color: var(--color-text-muted);
    background: transparent;
}

.led-tab.active {
    color: white;
    background: var(--color-primary);
}

.led-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
}

.led-section-title {
    color: var(--color-text-muted);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    margin-bottom: var(--spacing-3);
    text-transform: uppercase;
}

.led-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-3);
}

.led-form-grid .form-group,
.led-palette .form-group {
    margin: 0;
}

.led-template-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--spacing-2);
}

.led-form-grid select,
.led-section select {
    width: 100%;
}

.led-palette {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.led-global-color-row {
    display: grid;
    gap: var(--spacing-2);
    grid-template-columns: 1fr 34px minmax(0, 96px);
    position: relative;
}

.led-global-color-row > span {
    color: var(--color-text-muted);
    font-size: 0.74rem;
    font-weight: 700;
    grid-column: 1 / -1;
}

.led-global-color-row input[type="text"],
.led-mapping-color-row input[type="text"] {
    background: rgba(7, 10, 22, 0.9);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    min-width: 0;
    padding: 7px 10px;
}

.led-range-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-3);
}

.led-range-row input[type="range"] {
    flex: 1;
    accent-color: var(--color-primary);
}

.led-range-value {
    min-width: 42px;
    color: var(--color-primary);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-align: right;
}

.led-speed-grid {
    border-top: 1px solid var(--color-border);
    display: grid;
    gap: var(--spacing-3);
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-4);
}

.led-speed-grid .form-group {
    margin: 0;
}

.led-toggle-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-2);
}

.led-toggle {
    align-items: center;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    cursor: pointer;
    display: flex;
    font-size: 0.8rem;
    gap: var(--spacing-2);
    min-height: 40px;
    padding: var(--spacing-2) var(--spacing-3);
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.led-toggle:has(input:checked) {
    border-color: var(--color-primary);
    color: var(--color-text);
}

.led-toggle input {
    accent-color: var(--color-primary);
}

.led-settings-grid {
    display: grid;
    gap: var(--spacing-3);
    margin-top: var(--spacing-3);
}

.led-settings-grid select {
    margin-top: var(--spacing-1);
}

.led-preview {
    position: sticky;
    top: 0;
    padding: var(--spacing-4);
}

.led-preview-head {
    align-items: center;
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
}

.led-preview-head h3 {
    font-size: 1rem;
}

.led-status {
    align-items: center;
    color: var(--color-success);
    display: inline-flex;
    font-size: 0.72rem;
    font-weight: 700;
    gap: 6px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.led-status::before {
    background: var(--color-success);
    border-radius: 50%;
    content: "";
    height: 7px;
    width: 7px;
}

.led-device-meta {
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.77rem;
    justify-content: space-between;
    padding-bottom: var(--spacing-3);
}

.led-pill {
    background: var(--color-surface-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    color: var(--color-text-muted);
    font-size: 0.72rem;
    padding: 4px 10px;
}

.led-wheel-stage {
    background:
        radial-gradient(circle at 50% 45%, rgba(59, 130, 246, 0.13), transparent 44%),
        linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-3);
    min-height: 460px;
    padding: var(--spacing-3);
}

.led-wheel-stage svg {
    display: block;
    height: auto;
    margin: 0 auto;
    max-height: calc(100vh - 260px);
    max-width: 100%;
    width: 100%;
}

.led-modal-direction {
    background: rgba(12, 18, 30, 0.9);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    display: flex;
    gap: 2px;
    padding: 2px;
    width: fit-content;
}

.led-modal-direction button {
    background: transparent;
    border: 0;
    border-radius: var(--radius-pill);
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 5px 12px;
}

.led-modal-direction button.active {
    background: var(--color-primary);
    color: #fff;
}

.led-help {
    color: var(--color-text-muted);
    font-size: 0.76rem;
    line-height: 1.5;
    margin-top: var(--spacing-3);
}

.led-error {
    background: rgba(239, 68, 68, 0.12);
    color: #f87171;
}

.led-mapping-modal {
    left: 50%;
    max-height: calc(100vh - 48px);
    min-width: min(360px, calc(100vw - 32px));
    overflow-y: auto;
    position: fixed;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
}

.led-modal-subtitle {
    color: var(--color-primary);
    font-size: 0.8rem;
    margin: -8px 0 var(--spacing-4);
}

.led-modal-colors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(30px, 1fr));
    gap: 5px;
    margin-bottom: var(--spacing-4);
}

.led-modal-colors input {
    border: none;
    padding: 0;
    width: 100%;
}

.led-modal-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--spacing-5);
}

.led-expert-toggle {
    margin-top: var(--spacing-3);
}

.led-button-modal {
    background: rgba(24, 28, 43, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
    color: var(--color-text);
    left: 50%;
    max-height: calc(100vh - 48px);
    overflow-y: auto;
    padding: var(--spacing-4);
    position: fixed;
    top: 50%;
    transform: translate(-50%, -50%);
    width: min(440px, calc(100vw - 32px));
    z-index: 1010;
}

.led-button-modal-head {
    align-items: center;
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
}

.led-button-modal-head h3 {
    font-size: 1.1rem;
}

.led-button-modal-close {
    background: rgba(255, 255, 255, 0.08);
    border: 0;
    border-radius: var(--radius-pill);
    color: var(--color-text);
    cursor: pointer;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 7px 12px;
}

.led-button-modal-section {
    display: grid;
    gap: var(--spacing-3);
    margin-top: var(--spacing-3);
}

.led-button-modal-section h4 {
    color: var(--color-text-muted);
    font-size: 0.74rem;
    letter-spacing: 0.08em;
    margin-top: var(--spacing-2);
    text-transform: uppercase;
}

.led-modal-switch {
    align-items: center;
    cursor: pointer;
    display: flex;
    gap: var(--spacing-2);
    min-height: 34px;
}

.led-modal-switch input {
    accent-color: var(--color-primary);
}

.led-segment-row,
.led-color-row {
    align-items: center;
    display: grid;
    gap: var(--spacing-2);
    grid-template-columns: 110px minmax(0, 1fr);
}

.led-segment-row > span,
.led-color-row > span {
    color: var(--color-text);
    font-size: 0.82rem;
    font-weight: 700;
}

.led-segments {
    background: rgba(9, 12, 28, 0.82);
    border-radius: var(--radius-pill);
    display: grid;
    grid-auto-columns: minmax(0, 1fr);
    grid-auto-flow: column;
    gap: 2px;
    min-height: 32px;
    padding: 2px;
}

.led-segments button {
    background: transparent;
    border: 0;
    border-radius: var(--radius-pill);
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 0.68rem;
    font-weight: 800;
    min-width: 0;
    overflow: hidden;
    padding: 6px 8px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.led-segments button.active {
    background: var(--color-primary);
    color: #fff;
}

.led-color-row {
    grid-template-columns: 110px 34px minmax(0, 1fr);
    position: relative;
}

.led-mapping-color-row {
    align-items: center;
    display: grid;
    gap: var(--spacing-2);
    grid-template-columns: 34px minmax(0, 1fr);
    position: relative;
}

.led-color-swatch {
    background: var(--swatch);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-pill);
    cursor: pointer;
    height: 24px;
    width: 34px;
}

.led-color-row input[type="text"] {
    background: rgba(7, 10, 22, 0.9);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    min-width: 0;
    padding: 7px 12px;
}

.led-color-row input.invalid {
    border-color: #ef4444;
}

.led-color-popover {
    background: rgba(17, 20, 34, 0.98);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
    display: grid;
    gap: var(--spacing-2);
    left: 112px;
    padding: var(--spacing-3);
    position: absolute;
    top: 38px;
    width: 240px;
    z-index: 2;
}

.led-color-popover[hidden] {
    display: none;
}

.led-color-popover input[type="range"] {
    appearance: none;
    background: linear-gradient(90deg, #ff0000 0%, #ffff00 16.66%, #00ff00 33.33%, #00ffff 50%, #0000ff 66.66%, #ff00ff 83.33%, #ff0000 100%);
    border: 0;
    border-radius: var(--radius-pill);
    height: 10px;
    outline: none;
    width: 100%;
}

.led-color-popover input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    background: #ffffff;
    border: 2px solid rgba(0, 0, 0, 0.2);
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.35);
    cursor: pointer;
    height: 16px;
    width: 16px;
}

.led-color-popover input[type="range"]::-moz-range-thumb {
    background: #ffffff;
    border: 2px solid rgba(0, 0, 0, 0.2);
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.35);
    cursor: pointer;
    height: 16px;
    width: 16px;
}

.led-color-popover input[type="range"]::-moz-range-track {
    background: linear-gradient(90deg, #ff0000 0%, #ffff00 16.66%, #00ff00 33.33%, #00ffff 50%, #0000ff 66.66%, #ff00ff 83.33%, #ff0000 100%);
    border-radius: var(--radius-pill);
    height: 10px;
}

.led-picker-presets {
    display: grid;
    gap: 6px;
    grid-template-columns: repeat(6, 1fr);
}

.led-color-popover.hide-presets .led-picker-presets {
    display: none;
}

.led-picker-preset {
    background: var(--swatch);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 50%;
    cursor: pointer;
    height: 22px;
    min-width: 0;
    width: 22px;
}

.led-picker-sv {
    aspect-ratio: 1.55;
    background:
        linear-gradient(to top, #000, transparent),
        linear-gradient(to right, #fff, transparent),
        var(--picker-hue);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-md);
    cursor: crosshair;
    position: relative;
    touch-action: none;
}

.led-picker-cursor {
    border: 2px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.65);
    height: 12px;
    position: absolute;
    transform: translate(-50%, -50%);
    width: 12px;
}

.led-picker-hex-row {
    align-items: center;
    display: grid;
    gap: var(--spacing-2);
    grid-template-columns: 42px minmax(0, 1fr);
}

.led-picker-hex-row span {
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 0.68rem;
}

.led-picker-hex-row input {
    background: rgba(7, 10, 22, 0.9);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    min-width: 0;
    padding: 7px 10px;
}

.led-picker-show-colors {
    background: transparent;
    border: 0;
    color: var(--color-text-muted);
    min-height: 28px;
    padding: 0;
}

.led-modal-color-cell {
    min-width: 0;
}

.led-button-reset {
    margin-top: var(--spacing-4);
    width: 100%;
}

.led-color-studio-modal {
    background: rgba(20, 24, 38, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: 0 28px 90px rgba(0, 0, 0, 0.5);
    color: var(--color-text);
    left: 50%;
    max-height: calc(100vh - 48px);
    overflow-y: auto;
    padding: var(--spacing-5);
    position: fixed;
    top: 50%;
    transform: translate(-50%, -50%);
    width: min(760px, calc(100vw - 32px));
    z-index: 1020;
}

.led-color-studio-head {
    align-items: center;
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.led-color-studio-head h3 {
    font-size: 1.35rem;
}

.led-color-studio-grid {
    display: grid;
    gap: var(--spacing-3);
    grid-template-columns: 1fr 1.1fr;
}

.led-color-studio-panel {
    background: rgba(7, 10, 22, 0.45);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: grid;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
}

.led-color-studio-panel h4 {
    color: var(--color-text-muted);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.led-color-studio-panel:nth-child(3) {
    grid-column: 1 / -1;
}

.led-color-role-list {
    display: grid;
    gap: var(--spacing-2);
}

.led-color-role-card {
    align-items: center;
    background: rgba(12, 16, 32, 0.8);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    cursor: pointer;
    display: grid;
    gap: var(--spacing-2);
    grid-template-columns: 28px 1fr auto;
    min-height: 42px;
    padding: var(--spacing-2);
    text-align: left;
}

.led-color-role-card.active {
    border-color: var(--color-primary);
}

.led-color-role-swatch {
    background: var(--swatch);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    height: 24px;
    width: 24px;
}

.led-color-role-card code {
    color: var(--color-text-muted);
    font-size: 0.72rem;
}

.led-color-studio-picker {
    align-items: center;
    display: grid;
    gap: var(--spacing-2);
    grid-template-columns: 34px minmax(0, 1fr);
    position: relative;
}

.led-color-studio-picker input[type="text"],
.led-color-studio-bg input {
    background: rgba(7, 10, 22, 0.9);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    min-width: 0;
    padding: 7px 12px;
}

.led-color-studio-preview {
    background: var(--studio-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--studio-fg);
    display: grid;
    gap: 4px;
    min-height: 82px;
    padding: var(--spacing-3);
}

.led-contrast-meter {
    align-items: center;
    display: grid;
    gap: var(--spacing-2);
    grid-template-columns: 1fr auto auto;
}

.led-contrast-meter strong {
    font-size: 1.4rem;
}

.led-contrast-meter span {
    border-radius: var(--radius-pill);
    font-size: 0.72rem;
    font-weight: 800;
    padding: 5px 9px;
}

.led-contrast-meter .ok {
    background: rgba(16, 185, 129, 0.16);
    color: #34d399;
}

.led-contrast-meter .warn {
    background: rgba(245, 158, 11, 0.16);
    color: #fbbf24;
}

.led-color-studio-bg {
    align-items: center;
    display: grid;
    gap: var(--spacing-2);
    grid-template-columns: 1fr 130px;
}

@media (max-width: 1100px) {
    .led-grid {
        grid-template-columns: 1fr;
    }

    .led-preview {
        position: static;
        order: -1;
    }
}

@media (max-width: 620px) {
    .led-header {
        flex-direction: column;
    }

    .led-header-controls {
        justify-content: flex-start;
    }

    .led-grid,
    .led-form-grid,
    .led-toggle-grid,
    .led-segment-row {
        grid-template-columns: 1fr;
    }

    .led-color-row {
        grid-template-columns: 84px 34px minmax(0, 1fr);
    }

    .led-color-popover {
        left: 0;
    }

    .led-palette {
        grid-template-columns: repeat(3, minmax(70px, 1fr));
    }

    .led-wheel-stage {
        min-height: auto;
    }
}