:root,
[data-theme="deep-ocean"] {
    color-scheme: dark;
    --color-bg: #07111f;
    --color-bg-elevated: #0c1b2e;
    --color-sidebar: #081827;
    --color-surface: #10243a;
    --color-surface-hover: #16324d;
    --color-border: #24445f;
    --color-text: #e6f2f7;
    --color-text-muted: #91a9b8;
    --color-accent: #28d7c0;
    --color-accent-hover: #54e4d1;
    --color-accent-contrast: #04211f;
    --color-danger: #ff7b88;
    --color-success-bg: #0d3c39;
    --color-success-border: #1e8278;
    --color-success-text: #a9f5e8;
    --color-warning: #f4c95d;
    --color-warning-bg: #322b16;
    --shadow-panel: 0 18px 50px rgb(0 0 0 / 20%);
    --radius-sm: 0.55rem;
    --radius-md: 0.85rem;
    --font-size-app: 0.9rem;
    --control-height: 2.3rem;
    --sidebar-collapsed-width: 4rem;
    --sidebar-expanded-width: 13.5rem;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}

* {
    box-sizing: border-box;
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    margin: 0;
    min-height: 100vh;
}

.app-body {
    font-size: var(--font-size-app);
}

a,
button,
input,
select,
textarea {
    font: inherit;
}

a {
    color: var(--color-accent);
}

button,
input,
select,
textarea {
    border-radius: var(--radius-sm);
}

input,
select {
    background: #091827;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    min-height: var(--control-height);
    padding: 0.45rem 0.65rem;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

textarea {
    resize: vertical;
}

button:disabled,
select:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

button {
    background: var(--color-accent);
    border: 1px solid transparent;
    color: var(--color-accent-contrast);
    cursor: pointer;
    font-weight: 700;
    min-height: var(--control-height);
    padding: 0.45rem 0.75rem;
}

button:hover {
    background: var(--color-accent-hover);
}

h1,
h2,
h3 {
    line-height: 1.2;
}

h1 {
    font-size: clamp(1.45rem, 2.4vw, 1.9rem);
    margin-top: 0;
}

.app-body h2 {
    font-size: 1.2rem;
}

.app-body h3 {
    font-size: 1rem;
}

section + section {
    margin-top: 1.5rem;
}

.section-header {
    align-items: center;
    display: flex;
    gap: 0.75rem;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.section-header h2 {
    margin: 0;
}

.compact-button {
    align-items: center;
    display: inline-flex;
    gap: 0.4rem;
    min-height: 2.15rem;
    padding: 0.35rem 0.65rem;
}

.secondary-button {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text);
}

.secondary-button:hover {
    background: var(--color-surface-hover);
}

.app-shell {
    display: grid;
    grid-template-columns: var(--sidebar-expanded-width) minmax(0, 1fr);
    min-height: 100vh;
    transition: grid-template-columns 180ms ease;
}

.sidebar-collapsed .app-shell {
    grid-template-columns: var(--sidebar-collapsed-width) minmax(0, 1fr);
}

.sidebar {
    background: linear-gradient(180deg, var(--color-sidebar), #06131f);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    padding: 0.6rem;
    position: sticky;
    top: 0;
}

.sidebar-header {
    align-items: center;
    display: flex;
    gap: 0.4rem;
    justify-content: space-between;
    min-height: 2.5rem;
}

.brand {
    align-items: center;
    color: var(--color-text);
    display: flex;
    font-size: 1rem;
    font-weight: 800;
    gap: 0.55rem;
    min-width: 0;
    text-decoration: none;
}

.brand-mark {
    align-items: center;
    background: var(--color-accent);
    border-radius: 0.7rem;
    color: var(--color-accent-contrast);
    display: inline-flex;
    flex: 0 0 2.35rem;
    font-weight: 900;
    height: 2.35rem;
    justify-content: center;
}

.sidebar-toggle {
    align-items: center;
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text-muted);
    display: inline-flex;
    flex: 0 0 2.35rem;
    justify-content: center;
    padding: 0;
    width: 2.35rem;
}

.sidebar-toggle:hover {
    background: var(--color-surface-hover);
    color: var(--color-accent);
}

.icon {
    fill: none;
    height: 1.15rem;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
    width: 1.15rem;
}

.sidebar-nav {
    display: grid;
    gap: 0.4rem;
    margin-top: 1.4rem;
}

.sidebar-link {
    align-items: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    display: flex;
    gap: 0.65rem;
    min-height: 2.45rem;
    padding: 0.5rem 0.65rem;
    text-decoration: none;
    white-space: nowrap;
    width: 100%;
}

.sidebar-link:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.sidebar-link.is-active {
    background: color-mix(in srgb, var(--color-accent) 14%, transparent);
    border-color: color-mix(in srgb, var(--color-accent) 38%, transparent);
    color: var(--color-accent);
}

.sidebar-link .icon {
    flex: 0 0 1.15rem;
}

.sidebar-label {
    opacity: 1;
    overflow: hidden;
    transition: opacity 120ms ease;
}

.sidebar-collapsed .sidebar-label {
    opacity: 0;
    pointer-events: none;
    width: 0;
}

.sidebar-collapsed .sidebar-header {
    flex-direction: column;
}

.sidebar-collapsed .brand-name {
    display: none;
}

.sidebar-collapsed .sidebar-link {
    gap: 0;
    justify-content: center;
    margin-inline: auto;
    padding: 0;
    width: 2.45rem;
}

.sidebar-account {
    border-top: 1px solid var(--color-border);
    display: grid;
    gap: 0.35rem;
    margin-top: auto;
    padding-top: 0.75rem;
}

.account-name {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    overflow: hidden;
    padding: 0 0.8rem 0.35rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.logout-form {
    margin: 0;
}

.logout-button {
    font-weight: 600;
    min-height: 2.45rem;
}

.logout-button:hover {
    background: color-mix(in srgb, var(--color-danger) 12%, transparent);
    color: var(--color-danger);
}

.app-content {
    align-items: flex-start;
    display: flex;
    justify-content: center;
    padding: clamp(0.75rem, 1.8vw, 1.5rem);
    width: 100%;
}

.content-panel {
    background:
        linear-gradient(145deg, rgb(255 255 255 / 2%), transparent 24rem),
        var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: calc(var(--radius-md) + 0.25rem);
    box-shadow: var(--shadow-panel);
    max-width: 86rem;
    min-height: calc(100vh - clamp(1.5rem, 3.6vw, 3rem));
    padding: clamp(1rem, 2vw, 1.75rem);
    width: 100%;
}

.auth-body {
    background:
        radial-gradient(circle at 85% 15%, rgb(40 215 192 / 12%), transparent 30rem),
        var(--color-bg);
}

.auth-header {
    margin: 0 auto;
    max-width: 72rem;
    padding: 1.5rem;
}

.auth-main {
    display: grid;
    min-height: calc(100vh - 6rem);
    padding: 1.5rem;
    place-items: center;
}

.auth-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-panel);
    max-width: 26rem;
    padding: clamp(1rem, 3vw, 1.6rem);
    width: 100%;
}

.auth-card form,
.form-grid {
    display: grid;
    gap: 0.6rem;
}

.validation-summary,
.field-validation {
    color: var(--color-danger);
}

.field-validation {
    font-size: 0.9rem;
}

.status-message {
    background: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    border-radius: var(--radius-sm);
    color: var(--color-success-text);
    padding: 0.6rem;
}

.panel,
.user-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-panel);
    padding: clamp(0.8rem, 1.8vw, 1.15rem);
}

.narrow-panel {
    max-width: 32rem;
}

.profile-summary {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    max-width: 32rem;
    padding: 0.8rem;
}

.profile-details {
    display: grid;
    gap: 0.5rem 1rem;
    grid-template-columns: max-content 1fr;
    margin: 0 0 1.25rem;
}

.profile-details dt {
    color: var(--color-text-muted);
}

.profile-details dd {
    margin: 0;
}

.user-list {
    display: grid;
    gap: 0.75rem;
}

.users-page-content {
    margin-inline: auto;
    max-width: 64rem;
    width: 100%;
}

.user-card-header {
    align-items: center;
    display: flex;
    gap: 0.6rem;
}

.user-card-header h3 {
    margin: 0;
}

.badge {
    background: color-mix(in srgb, var(--color-accent) 18%, transparent);
    border: 1px solid color-mix(in srgb, var(--color-accent) 45%, transparent);
    border-radius: 999px;
    color: var(--color-accent);
    font-size: 0.8rem;
    padding: 0.15rem 0.55rem;
}

.user-meta {
    color: var(--color-text-muted);
}

.access-dialog .modal-card {
    max-width: 52rem;
}

.access-form {
    display: grid;
    gap: 1rem;
}

.access-grid {
    align-items: center;
    display: grid;
    gap: 0.6rem;
    grid-template-columns: minmax(10rem, 1fr) minmax(8rem, 0.7fr) minmax(8rem, 0.7fr);
}

.access-grid > strong {
    color: var(--color-text-muted);
    font-size: 0.86rem;
}

.access-grid > input[type="hidden"] {
    display: none;
}

.access-grid .channel-correction-permission {
    align-items: flex-start;
    font-size: 0.82rem;
    margin-top: 0.5rem;
    padding-bottom: 0;
}

.channel-correction-permission input {
    flex-shrink: 0;
}

.history-page-content {
    margin-inline: auto;
    max-width: 72rem;
    width: 100%;
}

.history-list {
    display: grid;
    gap: 0.75rem;
}

.history-card h2 {
    font-size: 1.05rem;
    margin: 0.25rem 0 0;
}

.history-status {
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.82rem;
    padding: 0.3rem 0.65rem;
}

.history-status.is-success {
    border-color: var(--color-success-border);
    color: var(--color-success-text);
}

.history-status.is-error {
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.history-status.is-pending {
    color: var(--color-text-muted);
}

.history-result {
    color: var(--color-text-muted);
}

.history-details summary {
    color: var(--color-accent);
    cursor: pointer;
}

.history-json-grid {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 0.75rem;
}

.history-json-grid h3 {
    font-size: 0.85rem;
}

.history-json-grid pre {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    max-height: 20rem;
    overflow: auto;
    padding: 0.65rem;
    white-space: pre-wrap;
}

.inline-form {
    align-items: end;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1rem;
}

.inline-form label:not(.checkbox-label) {
    display: grid;
    gap: 0.25rem;
}

.checkbox-label {
    align-items: center;
    display: flex;
    gap: 0.4rem;
    padding-bottom: 0.6rem;
}

.checkbox-label input {
    accent-color: var(--color-accent);
    height: 1.1rem;
    min-height: auto;
    width: 1.1rem;
}

.password-reset-form {
    border-top: 1px solid var(--color-border);
    padding-top: 0.8rem;
}

.device-toolbar {
    align-items: end;
    display: flex;
    gap: 0.75rem;
    justify-content: space-between;
}

.device-picker {
    display: grid;
    flex: 1;
    gap: 0.35rem;
    max-width: 36rem;
}

.device-actions,
.pairing-code-row {
    align-items: center;
    display: flex;
    gap: 0.6rem;
}

.pairing-code-panel {
    background: color-mix(in srgb, var(--color-accent) 9%, var(--color-bg-elevated));
    border: 1px solid color-mix(in srgb, var(--color-accent) 48%, transparent);
    border-radius: var(--radius-md);
    margin-top: 1rem;
    padding: clamp(0.8rem, 1.8vw, 1.15rem);
}

.pairing-code-panel h2 {
    margin: 0 0 1rem;
}

.pairing-code-panel > p:last-child {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.pairing-code-row code {
    background: #06131f;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-accent);
    font-size: clamp(1.1rem, 3vw, 1.55rem);
    font-weight: 800;
    letter-spacing: 0.1em;
    padding: 0.4rem 0.65rem;
}

.device-summary {
    margin-top: 1rem;
}

.device-summary .section-header h2 {
    margin: 0;
}

.device-status {
    border: 1px solid var(--color-border);
    border-radius: 999px;
    color: var(--color-text-muted);
    padding: 0.25rem 0.7rem;
}

.device-status.is-active {
    border-color: var(--color-success-border);
    color: var(--color-success-text);
}

.device-status.is-disabled {
    border-color: color-mix(in srgb, var(--color-danger) 55%, transparent);
    color: var(--color-danger);
}

.device-details {
    display: grid;
    gap: 0.55rem 1rem;
    grid-template-columns: max-content minmax(0, 1fr);
    margin: 1.25rem 0 0;
}

.device-details dt {
    color: var(--color-text-muted);
}

.device-details dd {
    margin: 0;
    overflow-wrap: anywhere;
}

.settings-placeholder {
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    padding: clamp(0.8rem, 2vw, 1.35rem);
}

.utility-card {
    align-items: center;
    display: flex;
    gap: 1rem;
    justify-content: space-between;
}

.utility-card + .utility-card {
    margin-top: 1rem;
}

.module-connections + .utility-card {
    margin-top: 1rem;
}

.module-connections-header h3,
.module-connections-header p,
.module-connection-card h4,
.module-connection-card p {
    margin-top: 0;
}

.module-connections-header h3,
.module-connection-card h4 {
    color: var(--color-accent);
    font-size: 1.08rem;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.module-connections-header p,
.module-connection-card p:last-child {
    margin-bottom: 0;
}

.utility-management-list {
    border-top: 1px solid var(--color-border);
    margin-top: 0.8rem;
}

.module-connection-card {
    padding: 0.8rem 0;
}

.module-connection-card + .module-connection-card {
    border-top: 1px solid var(--color-border);
    margin-top: 0;
}

.module-connection-card:last-child {
    padding-bottom: 0;
}

.required-module-state {
    color: var(--color-text-muted);
    font-size: 0.78rem;
    white-space: nowrap;
}

.audio-page-content {
    margin-inline: auto;
    max-width: 46rem;
    width: 100%;
}

.spectrum-page-content {
    margin-inline: auto;
    max-width: none;
    width: 100%;
}

.spectrum-page-header {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: space-between;
    margin-bottom: 0.8rem;
}

.spectrum-device-picker {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    min-width: 0;
    max-width: 100%;
}

.spectrum-device-picker .device-picker {
    flex: 0 1 14rem;
    min-width: 0;
    width: 14rem;
}

.spectrum-device-picker .device-status {
    white-space: nowrap;
}

.spectrum-device-picker select {
    min-width: 0;
    width: 100%;
}

.spectrum-primary-controls {
    align-items: end;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.65rem 0.8rem;
}

.spectrum-primary-controls > label {
    display: grid;
    flex: 1 1 12rem;
    gap: 0.25rem;
    min-width: 0;
}

.spectrum-primary-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.spectrum-page-content :is(input, select) {
    min-width: 0;
    max-width: 100%;
}

.spectrum-page-content .checkbox-label {
    padding-bottom: 0;
    min-height: var(--control-height);
}

.spectrum-page-content .checkbox-label input {
    flex: 0 0 1.1rem;
    margin: 0;
}

.spectrum-page-header h1,
.spectrum-page-header p {
    margin: 0;
}

.spectrum-control-panel {
    margin-top: 0.8rem;
}

.spectrum-chart-panel {
    margin-top: 0.8rem;
    padding: 0.65rem 0.8rem;
}

.spectrum-visualization {
    background: #030b18;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-top: 0;
    overflow: hidden;
}

.spectrum-canvas-wrapper {
    position: relative;
}

.spectrum-canvas {
    background: color-mix(in srgb, var(--color-bg) 78%, black);
    display: block;
    height: clamp(9rem, calc(50dvh - 9rem), 20rem);
    width: 100%;
}

.spectrum-cursor-readout {
    background: color-mix(in srgb, var(--color-surface) 94%, black);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-panel);
    color: var(--color-text);
    font-size: 0.75rem;
    left: 0;
    max-width: 100%;
    padding: 0.3rem 0.45rem;
    pointer-events: none;
    position: absolute;
    top: 0;
    white-space: nowrap;
    width: max-content;
    z-index: 2;
}

.spectrum-scale-controls {
    align-items: end;
    display: grid;
    gap: 0.55rem;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 10rem), 1fr));
    margin-top: 0.7rem;
}

.spectrum-viewer-state {
    display: grid;
    gap: 0.15rem;
    text-align: right;
    margin-left: auto;
}

.spectrum-last-change {
    margin: 0.65rem 0 0;
}

.spectrum-scale-controls > label:not(.checkbox-label) {
    display: grid;
    gap: 0.25rem;
}

.spectrum-scale-controls .checkbox-label {
    min-height: var(--control-height);
}

.spectrum-scale-controls .field-hint {
    align-items: center;
    display: flex;
    min-height: var(--control-height);
}

.spectrum-peak-controls {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem 0.8rem;
    margin-top: 0.65rem;
}

.spectrum-peak-controls .field-hint {
    flex: 1 1 18rem;
}

.spectrum-chart-metrics {
    color: var(--color-text-muted);
    display: flex;
    flex-wrap: wrap;
    font-size: 0.72rem;
    gap: 0.45rem 1rem;
    justify-content: center;
    margin-top: 0.3rem;
}

.spectrum-frequency-ruler {
    background: color-mix(in srgb, var(--color-surface) 78%, black);
    border-bottom: 1px solid color-mix(in srgb, var(--color-border) 72%, transparent);
    border-top: 1px solid var(--color-border);
    height: 2.2rem;
    padding: 0 10px 0 52px;
}

.spectrum-frequency-ruler-track {
    height: 100%;
    position: relative;
}

.spectrum-frequency-ruler-track::before {
    background: color-mix(in srgb, var(--color-text-muted) 55%, transparent);
    content: "";
    height: 1px;
    left: 0;
    position: absolute;
    right: 0;
    top: 0.48rem;
}

.spectrum-frequency-ruler-track span {
    color: var(--color-text-muted);
    font-size: 0.7rem;
    left: var(--spectrum-tick-position);
    padding-top: 0.82rem;
    position: absolute;
    transform: translateX(-50%);
    white-space: nowrap;
}

.spectrum-frequency-ruler-track span::before {
    background: var(--color-text-muted);
    content: "";
    height: 0.42rem;
    left: 50%;
    position: absolute;
    top: 0.1rem;
    width: 1px;
}

.spectrum-frequency-ruler-track span:first-child {
    transform: none;
}

.spectrum-frequency-ruler-track span:first-child::before {
    left: 0;
}

.spectrum-frequency-ruler-track span:last-child {
    transform: translateX(-100%);
}

.spectrum-frequency-ruler-track span:last-child::before {
    left: 100%;
}

.spectrum-waterfall-wrapper {
    background: #030b18;
    overflow: hidden;
}

.spectrum-waterfall {
    display: block;
    height: clamp(9rem, calc(50dvh - 9rem), 18rem);
    image-rendering: auto;
    width: 100%;
}

.spectrum-settings-form {
    align-items: end;
    display: grid;
    gap: 0.7rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 0.8rem;
}

.spectrum-settings-form > label:not(.checkbox-label) {
    display: grid;
    gap: 0.25rem;
}

.spectrum-amp-control {
    min-height: var(--control-height);
}

.spectrum-resolution-note {
    margin: 0;
}

.spectrum-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    grid-column: 1 / -1;
    justify-content: flex-end;
}

.audio-page-header {
    margin-bottom: 0.8rem;
}

.audio-page-header h1,
.audio-page-header p {
    margin-bottom: 0;
}

.audio-filter-panel {
    display: grid;
    gap: 0.65rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.audio-filter-panel label {
    display: grid;
    gap: 0.25rem;
}

.audio-filter-actions {
    align-items: end;
    display: flex;
    gap: 0.5rem;
    grid-column: 1 / -1;
}

.audio-filter-actions a {
    justify-content: center;
    text-decoration: none;
}

.audio-list-summary {
    color: var(--color-text-muted);
    font-size: 0.78rem;
    margin: 0.75rem 0 0.4rem;
}

.audio-recording-list {
    display: grid;
    gap: 0.65rem;
    grid-template-columns: minmax(0, 1fr);
}

.audio-recording-card {
    min-width: 0;
}

.audio-recording-main {
    align-items: center;
    display: grid;
    font-size: 0.8rem;
    gap: 0.5rem 0.8rem;
    grid-template-columns: minmax(0, 1fr) max-content max-content;
}

.audio-recording-main time,
.audio-recording-main > span:last-child {
    color: var(--color-text-muted);
}

.audio-recording-frequency {
    font-weight: 750;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.audio-recording-card audio {
    height: 2.4rem;
    margin-top: 0.75rem;
    width: 100%;
}

.audio-pagination {
    display: flex;
    gap: 0.6rem;
    justify-content: center;
    margin-top: 1rem;
}

.audio-retention-alerts {
    display: grid;
    gap: 0.55rem;
    margin: 1rem 0;
}

.audio-retention-alerts h2 {
    color: var(--color-warning);
    font-size: 1rem;
    margin: 0;
}

.audio-retention-alert {
    border-color: color-mix(in srgb, var(--color-warning) 60%, transparent);
    display: grid;
    gap: 0.25rem;
    padding: 0.75rem 0.9rem;
}

.audio-retention-alert time,
.audio-retention-alert span {
    color: var(--color-muted);
    font-size: 0.85rem;
}

.audio-frequency-card h3,
.device-power-card h3,
.tuner-motor-card h3,
.audio-frequency-card p {
    margin-top: 0;
}

.utility-card h3,
.audio-frequency-card h3,
.device-power-card h3,
.tuner-motor-card h3 {
    color: var(--color-accent);
    font-size: 1.08rem;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.utility-settings-heading {
    border-top: 1px solid var(--color-border);
    margin: 1.5rem 0 0.75rem;
    padding-top: 1rem;
}

.utility-settings > summary {
    color: var(--color-accent);
    cursor: pointer;
    font-size: 1.08rem;
    font-weight: 800;
    overflow-wrap: anywhere;
}

.utility-settings[open] > summary {
    margin-bottom: 1rem;
}

.device-power-card,
.tuner-motor-card,
.audio-frequency-card {
    min-width: 0;
    overflow-wrap: anywhere;
}

:is(.device-power-card, .tuner-motor-card, .audio-frequency-card) :is(fieldset, label, article) {
    min-width: 0;
}

:is(.device-power-card, .tuner-motor-card, .audio-frequency-card) :is(input, select, button) {
    min-width: 0;
    max-width: 100%;
}

.device-power-card fieldset {
    border: 0;
    margin: 1rem 0 0;
    padding: 0;
}

.tuner-motor-card fieldset {
    border: 0;
    margin: 1rem 0 0;
    padding: 0;
}

.tuner-motor-list {
    display: grid;
    gap: 0.8rem;
}

.tuner-motor-editor {
    background: color-mix(in srgb, var(--color-bg) 45%, transparent);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.85rem;
}

.tuner-motor-heading {
    align-items: end;
    display: grid;
    gap: 0.65rem;
    grid-template-columns: minmax(14rem, 1fr) auto;
}

.tuner-motor-heading label,
.tuner-motor-grid label,
.tuner-frequency-row label {
    display: grid;
    gap: 0.25rem;
}

.tuner-motor-grid {
    display: grid;
    gap: 0.65rem;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 0.75rem;
}

.tuner-motor-grid .tuner-direction {
    align-self: end;
    min-height: var(--control-height);
}

.tuner-calibration {
    border-top: 1px solid var(--color-border);
    margin-top: 0.85rem;
    padding-top: 0.75rem;
}

.tuner-advanced {
    margin-top: 0.85rem;
}

.tuner-advanced summary {
    color: var(--color-accent);
    cursor: pointer;
    margin-bottom: 0.65rem;
}

.tuner-dial-preview {
    text-align: center;
}

.tuner-dial-preview svg {
    display: block;
    width: 100%;
    max-width: 620px;
    margin: auto;
}

.tuner-dial-body {
    fill: var(--color-bg);
    stroke: var(--color-border);
    stroke-width: 3;
}

.tuner-dial-inner {
    fill: none;
    stroke: var(--color-border);
}

.tuner-dial-mark {
    cursor: pointer;
    fill: var(--color-text);
    font-size: 13px;
}

.tuner-dial-mark line {
    stroke: var(--color-text);
    stroke-width: 3;
    stroke-linecap: round;
}

.tuner-dial-hit {
    fill: transparent;
}

.tuner-dial-guide {
    fill: none;
    stroke: var(--color-border);
    stroke-width: 1;
}

.tuner-dial-mark.is-selected,
.tuner-dial-mark:hover,
.tuner-dial-mark:focus {
    fill: var(--color-accent);
}

.tuner-dial-mark.is-selected line,
.tuner-dial-mark:hover line,
.tuner-dial-mark:focus line,
.tuner-dial-pointer {
    stroke: var(--color-accent);
    stroke-width: 5;
    stroke-linecap: round;
}

.tuner-selected-frequency {
    border-left: 3px solid var(--color-accent);
    padding-left: 0.45rem;
}

.tuner-spacing {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 0.65rem;
}

.tuner-spacing input {
    width: 6rem;
}

.tuner-calibration-header {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    justify-content: space-between;
}

.tuner-calibration-header h4 {
    color: var(--color-accent);
    margin: 0;
}

.tuner-frequency-list {
    display: grid;
    gap: 0.45rem;
    margin-top: 0.65rem;
}

.tuner-frequency-row {
    align-items: end;
    display: grid;
    gap: 0.65rem;
    grid-template-columns: minmax(9rem, 1fr) minmax(9rem, 1fr) minmax(8rem, 0.6fr);
}

.tuner-frequency-row > span {
    align-items: center;
    background: color-mix(in srgb, var(--color-bg) 35%, transparent);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    min-height: var(--control-height);
    padding: 0.4rem 0.65rem;
}

.tuner-empty-frequencies {
    margin-bottom: 0;
}

.power-resource-list {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.power-resource-editor {
    background: color-mix(in srgb, var(--color-bg) 45%, transparent);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: grid;
    gap: 0.65rem;
    padding: 0.85rem;
}

.power-resource-editor > button {
    justify-self: end;
}

.power-resource-grid,
.power-binding-list {
    align-items: start;
    display: grid;
    gap: 0.65rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.power-resource-grid label,
.power-binding-list label {
    align-content: start;
    display: grid;
    gap: 0.25rem;
}

.power-bindings {
    border-top: 1px solid var(--color-border);
    margin-top: 1rem;
    padding-top: 0.8rem;
}

.power-bindings h4 {
    color: var(--color-accent);
    margin: 0 0 0.65rem;
}

.audio-frequency-card fieldset {
    border: 0;
    margin: 1rem 0 0;
    padding: 0;
}

.audio-recorder-settings {
    display: grid;
    gap: 0.65rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-bottom: 1rem;
}

.audio-recorder-settings label {
    display: grid;
    gap: 0.25rem;
}

.audio-recorder-settings .audio-filename-mask {
    grid-column: span 2;
}

.field-hint {
    color: var(--color-text-muted);
    font-size: 0.72rem;
}

.filename-preview {
    color: var(--color-text-muted);
    font-size: 0.78rem;
    margin-top: 0.15rem;
}

.filename-preview code {
    color: var(--color-accent);
    overflow-wrap: anywhere;
}

.audio-source-list {
    display: grid;
    gap: 0.75rem;
}

.audio-source-editor {
    background: color-mix(in srgb, var(--color-bg) 45%, transparent);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.85rem;
}

.audio-source-header,
.audio-source-actions,
.audio-editor-actions {
    align-items: end;
    display: flex;
    gap: 0.65rem;
    justify-content: space-between;
}

.audio-source-header label,
.audio-source-actions label,
.audio-frequency-row label {
    display: grid;
    flex: 1 1 auto;
    gap: 0.25rem;
}

.audio-frequency-list {
    display: grid;
    gap: 0.5rem;
    margin-top: 0.65rem;
}

.audio-frequency-row {
    align-items: end;
    display: grid;
    gap: 0.5rem;
    grid-template-columns: minmax(10rem, 1fr) minmax(10rem, 1fr) auto;
}

.audio-source-actions {
    margin-top: 0.65rem;
}

.audio-source-actions label {
    max-width: 18rem;
}

.audio-editor-actions {
    margin-top: 0.8rem;
}

.small-action,
.icon-action {
    font-size: 0.78rem;
    min-height: 2.15rem;
    padding: 0.4rem 0.7rem;
}

.icon-action {
    padding: 0;
    width: 2.15rem;
}

.utility-card h3,
.utility-card p {
    margin-top: 0;
}

.utility-card p:last-child {
    margin-bottom: 0;
}

.utility-control {
    align-items: flex-end;
    display: flex;
    flex: 0 0 auto;
    gap: 0.75rem;
}

.utility-version {
    display: grid;
    gap: 0.25rem;
}

.utility-version select.is-update-available {
    background: var(--color-warning-bg);
    border-color: var(--color-warning);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-warning) 35%, transparent);
}

.utility-control .checkbox-label {
    min-height: var(--control-height);
    padding-bottom: 0;
}

.settings-note {
    color: var(--color-text-muted);
    font-size: 0.82rem;
}

.empty-state {
    margin-top: 1rem;
    text-align: center;
}

.modal-secondary-form,
.danger-zone {
    border-top: 1px solid var(--color-border);
    margin-top: 1.5rem;
    padding-top: 1rem;
}

.modal-secondary-form p,
.danger-zone p {
    color: var(--color-text-muted);
    margin-top: 0;
}

.danger-button {
    background: color-mix(in srgb, var(--color-danger) 18%, transparent);
    border-color: color-mix(in srgb, var(--color-danger) 50%, transparent);
    color: var(--color-danger);
}

.danger-button:hover {
    background: color-mix(in srgb, var(--color-danger) 28%, transparent);
}

.modal-dialog {
    background: transparent;
    border: 0;
    color: var(--color-text);
    max-height: calc(100vh - 2rem);
    max-width: min(32rem, calc(100vw - 2rem));
    padding: 0;
    width: 100%;
}

.modal-dialog::backdrop {
    backdrop-filter: blur(5px);
    background: rgb(1 8 15 / 72%);
}

.modal-card {
    background:
        linear-gradient(145deg, rgb(40 215 192 / 5%), transparent 18rem),
        var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: calc(var(--radius-md) + 0.2rem);
    box-shadow: 0 24px 80px rgb(0 0 0 / 55%);
    padding: clamp(1rem, 3vw, 1.5rem);
}

.modal-header {
    align-items: flex-start;
    display: flex;
    gap: 0.75rem;
    justify-content: space-between;
    margin-bottom: 1.1rem;
}

.modal-header h2 {
    margin: 0;
}

.modal-eyebrow {
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    margin: 0 0 0.35rem;
    text-transform: uppercase;
}

.dialog-close {
    align-items: center;
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text-muted);
    display: inline-flex;
    flex: 0 0 2.15rem;
    justify-content: center;
    min-height: 2.15rem;
    padding: 0;
    width: 2.15rem;
}

.dialog-close:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.visually-hidden {
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute;
    white-space: nowrap;
    width: 1px;
}

.is-hidden {
    display: none;
}

@media (max-width: 48rem) {
    .app-shell,
    .sidebar-collapsed .app-shell {
        grid-template-columns: var(--sidebar-collapsed-width) minmax(0, 1fr);
    }

    .app-body:not(.sidebar-collapsed) .sidebar {
        box-shadow: 1rem 0 3rem rgb(0 0 0 / 45%);
        position: fixed;
        width: var(--sidebar-expanded-width);
        z-index: 10;
    }

    .app-content {
        padding: 0.75rem;
    }

    .content-panel {
        border-radius: var(--radius-md);
        min-height: calc(100vh - 1.5rem);
        padding: 1rem;
    }

    .section-header {
        align-items: stretch;
        flex-direction: column;
    }

    .compact-button {
        justify-content: center;
        width: 100%;
    }

    .inline-form,
    .inline-form label:not(.checkbox-label),
    .inline-form input:not([type="checkbox"]),
    .inline-form select,
    .inline-form button {
        width: 100%;
    }

    .device-toolbar,
    .device-actions,
    .pairing-code-row,
    .utility-card,
    .utility-control {
        align-items: stretch;
        flex-direction: column;
    }

    .device-picker,
    .device-actions,
    .device-actions button,
    .pairing-code-row button {
        max-width: none;
        width: 100%;
    }

    .pairing-code-row code {
        text-align: center;
    }

    .device-details {
        grid-template-columns: 1fr;
    }

    .device-details dd + dt {
        margin-top: 0.5rem;
    }

    .audio-source-header,
    .audio-source-actions,
    .audio-editor-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .audio-frequency-row {
        grid-template-columns: 1fr;
    }

    .audio-recorder-settings {
        grid-template-columns: 1fr;
    }

    .power-resource-grid,
    .power-binding-list,
    .tuner-motor-heading,
    .tuner-motor-grid,
    .tuner-frequency-row {
        grid-template-columns: 1fr;
    }

    .audio-recorder-settings .audio-filename-mask {
        grid-column: auto;
    }

    .audio-filter-panel,
    .audio-recording-main {
        grid-template-columns: 1fr;
    }

    .access-grid,
    .history-json-grid {
        grid-template-columns: 1fr;
    }

    .access-grid > strong {
        display: none;
    }

    .spectrum-settings-form {
        grid-template-columns: 1fr;
    }

    .spectrum-scale-controls {
        align-items: stretch;
        grid-template-columns: 1fr;
    }

    .spectrum-viewer-state {
        text-align: left;
    }

    .spectrum-frequency-ruler-track span {
        font-size: 0.62rem;
    }

    .spectrum-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .spectrum-actions button {
        width: 100%;
    }

    .audio-filter-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .audio-filter-actions button,
    .audio-filter-actions a {
        width: 100%;
    }

    .audio-pagination {
        align-items: stretch;
        flex-direction: column;
    }

    .audio-source-actions label,
    .audio-source-header button,
    .audio-source-actions button,
    .audio-editor-actions button,
    .icon-action {
        max-width: none;
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

.device-presence { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; }
.audio-recorder-settings { align-items: start; }
.audio-recorder-settings label { align-content: start; }
.audio-recorder-settings .audio-quality-note { grid-column: 1 / -1; margin: 0; }

.device-selection { display: flex; align-items: center; gap: .6rem; flex: 1; max-width: 42rem; min-width: 0; }
.device-selection .device-picker { min-width: 0; }
.audio-recorder-settings .audio-field-title { min-height: 2.5em; display: flex; align-items: end; }

.toast-stack { position: fixed; right: 1rem; bottom: 1rem; z-index: 10000; width: min(26rem, calc(100vw - 2rem)); display: grid; gap: .65rem; pointer-events: none; }
.toast { display: flex; align-items: start; gap: .8rem; padding: .9rem 1rem; border: 1px solid #367d94; border-radius: .75rem; background: #10283b; color: #eefaff; box-shadow: 0 .3rem 1.5rem #0006; pointer-events: auto; overflow-wrap: anywhere; }
.toast-success { border-color: #27c7aa; }
.toast-error { border-color: #e77982; }
.toast > span { flex: 1; }
.toast > button { flex: none; padding: 0 .3rem; min-width: 1.5rem; background: transparent; color: inherit; border: 0; font-size: 1.3rem; line-height: 1; }
.button-spinner { display: inline-block; width: .85em; height: .85em; margin-left: .55em; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; vertical-align: middle; animation: button-spin .8s linear infinite; }
@keyframes button-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .button-spinner { animation: none; } }

/* Вкладки налаштувань пристрою: лише одна панель, без зміни форм. */
.device-settings-tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.users-tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.users-tabs a { padding: .65rem .9rem; border: 1px solid var(--color-border); border-radius: .5rem; color: var(--color-text); text-decoration: none; }
.users-tabs a[aria-current="page"] { background: var(--color-accent); color: var(--color-accent-contrast); border-color: var(--color-accent); }
.device-settings-tabs [role="tab"] { background: transparent; color: var(--color-text); border: 1px solid var(--color-border); padding: .65rem .9rem; }
.device-settings-tabs [aria-selected="true"] { background: var(--color-accent); color: var(--color-accent-contrast); border-color: var(--color-accent); }
[data-device-panel][hidden], [data-device-tab][hidden] { display: none !important; }
.device-settings-tabs [role="tab"]:focus-visible { outline: 2px solid #20cbb7; outline-offset: 3px; }

.device-metrics-columns { display: grid; gap: 0 2.5rem; }
@media (min-width: 1100px) {
    .device-metrics-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
    .device-metrics-columns .device-details { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); }
}

.editor-fold > summary, .channel-fold > summary { cursor: pointer; color: var(--color-accent); font-weight: 700; padding: .3rem 0; overflow-wrap: anywhere; }
.editor-fold-body { min-width: 0; padding-top: .85rem; }
.channel-fold { min-width: 0; margin-top: .8rem; }
.channel-fold[open] > summary { margin-bottom: .65rem; }
.device-selection { display: grid; grid-template-columns: minmax(0, 1fr) auto; width: 100%; }
.device-selection .device-picker { width: auto; max-width: none; }
.device-selection select { width: 100%; min-width: 0; }
.device-selection > button { flex-shrink: 0; }

.devices-page-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .75rem 1rem; margin-bottom: 1rem; }
.devices-page-header h1 { margin: 0; }
.device-header-controls { display: flex; align-items: center; flex-wrap: wrap; gap: .65rem; min-width: 0; max-width: 100%; }
.device-header-controls .device-selection { flex: 0 1 17rem; width: 17rem; max-width: 100%; }
.device-header-controls .device-actions { flex-direction: row; width: auto; align-items: center; }
.device-header-controls .device-actions button { width: auto; white-space: nowrap; }
.device-header-controls .device-presence { gap: .65rem; }
.device-last-activity { display: grid; gap: .1rem; font-size: .8rem; }
.device-last-activity time, .device-header-controls .device-status { white-space: nowrap; }
.device-summary .device-metrics-columns { row-gap: 1rem; }
.device-summary .device-metrics-columns .device-details { margin-top: 0; }
@media (max-width: 600px) {
    .device-header-controls { width: 100%; }
    .device-header-controls .device-selection { flex-basis: 100%; width: 100%; }
}

@media (min-width: 1100px) {
    .audio-filter-panel { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.audio-page-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .5rem 1rem; }
.audio-page-header > a { font-size: .85rem; }

.waveform-player { display: grid; grid-template-columns: 2.5rem minmax(0, 1fr); gap: .35rem .7rem; margin-top: .55rem; align-items: center; }
.waveform-play { width: 2.5rem; height: 2.5rem; padding: 0; border-radius: 50%; }
.waveform-timeline { height: 64px; position: relative; cursor: pointer; min-width: 0; touch-action: pan-y; }
.waveform-timeline:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: .3rem; }
.waveform-timeline canvas { display: block; width: 100%; height: 64px; }
.waveform-message { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: .75rem; color: var(--color-text-muted); pointer-events: none; }
.waveform-footer { grid-column: 2; display: flex; align-items: center; justify-content: space-between; gap: .5rem; color: var(--color-text-muted); font-size: .75rem; }
.waveform-footer input { width: 5rem; height: 1rem; margin: 0; padding: 0; accent-color: var(--color-accent); }
.waveform-footer { flex-wrap: wrap; }
.waveform-volume { display: flex; align-items: center; gap: .35rem; margin-left: auto; }
.waveform-volume span { min-width: 3.2em; text-align: right; font-variant-numeric: tabular-nums; }
.audio-storage { margin-bottom: 1rem; padding: 1rem; font-size: .85rem; }
.audio-storage-bar:not([hidden]) { display: flex; height: .85rem; overflow: hidden; border-radius: .5rem; margin-bottom: .65rem; }
[data-storage-audio] { background: var(--color-accent); }
[data-storage-other] { background: #72859b; }
[data-storage-free] { background: #284354; }
.storage-low { color: #f3c76b; margin-top: .4rem; }
.storage-critical { color: #ff8080; margin-top: .4rem; }
:is(.security-recovery-result, .auth-card) code {
    overflow-wrap: anywhere;
    user-select: all;
}
.security-recovery-result {
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid currentColor;
    border-radius: 0.5rem;
}