/* --- НАЛАШТУВАННЯ --- */
.settings-overlay {
    z-index: var(--z-overlay-settings);
}

.settings-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    max-width: 380px;
    max-height: 80vh;
    overflow-y: auto;
}

.settings-title {
    font-family: var(--font-family-display);
    font-size: var(--type-display-modal-size);
    font-weight: 800;
    margin-bottom: 0;
    text-align: center;
    line-height: var(--type-display-modal-line);
    letter-spacing: var(--type-display-modal-track);
}

.settings-group {
    margin: 0;
    padding: var(--surface-block-padding-lg);
    border-radius: var(--surface-block-radius-lg);
    border: 1px solid var(--surface-panel-subtle-border);
    background: var(--surface-panel-subtle);
    box-shadow: none;
}

.settings-label {
    font-size: var(--type-label-md-size);
    font-weight: 700;
    text-transform: none;
    line-height: var(--type-label-md-line);
    letter-spacing: var(--type-label-md-track);
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
    display: block;
}

.settings-group-color {
    padding-bottom: var(--space-4);
}

.settings-group > .settings-help-text,
.settings-danger-text {
    font-size: var(--type-body-xs-size);
    line-height: var(--type-body-xs-line);
    letter-spacing: 0;
}

.settings-group > .settings-help-text {
    margin: 0;
    color: var(--text-secondary);
}

.color-picker-wrapper {
    position: relative;
    display: block;
    width: 100%;
    min-height: var(--field-min-height);
}

.color-picker-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    border: none;
    border-radius: var(--button-compact-radius);
    cursor: pointer;
    background: transparent;
    z-index: var(--z-content);
}

.color-preview {
    width: 100%;
    min-height: var(--field-min-height);
    padding: var(--field-padding);
    border-radius: var(--field-radius);
    text-align: left;
    font-size: var(--type-label-sm-size);
    font-weight: 700;
    color: white;
    text-shadow: 0 1px 3px color-mix(in srgb, black 30%, transparent);
    display: flex;
    align-items: center;
    border: 1px solid color-mix(in srgb, var(--card-border-strong) 86%, transparent);
    box-shadow: none;
}

.color-picker-wrapper:focus-within .color-preview {
    border-color: color-mix(in srgb, var(--accent) 44%, var(--card-border-strong));
    box-shadow: var(--focus-ring-soft);
}

.settings-meta-card {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    padding: var(--field-padding);
    border-radius: var(--surface-block-radius-md);
    border: 1px solid var(--card-border);
    background: var(--surface-panel-muted);
    color: var(--text-primary);
    text-align: left;
    box-shadow: none;
}

.settings-meta-title {
    font-size: var(--type-title-card-size);
    font-weight: 700;
    line-height: var(--type-title-card-line);
    letter-spacing: var(--type-title-card-track);
}

.settings-meta-caption {
    margin: 0;
}

.settings-group-app .settings-meta-caption,
.settings-group-app .settings-help-text,
.settings-group-app .settings-update-summary,
.settings-group-app .settings-update-debug,
.settings-group-app .settings-channel-help,
.settings-group-app .settings-device-id-label,
.settings-group-app .settings-device-id-value {
    font-size: var(--type-body-xs-size);
    line-height: var(--type-body-xs-line);
}

.settings-group-app #app-version-hint {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.settings-channel-block {
    overflow: hidden;
    max-height: 220px;
    opacity: 1;
    margin-top: 0;
    transform: translateY(0);
    pointer-events: auto;
    transition: max-height var(--expand-reveal-size-duration) var(--expand-reveal-easing), opacity var(--expand-reveal-fade-duration) var(--expand-reveal-easing), transform var(--expand-reveal-fade-duration) var(--expand-reveal-easing), margin-top var(--expand-reveal-fade-duration) var(--expand-reveal-easing);
}

.settings-channel-block[hidden] {
    display: none;
}

.settings-channel-block.is-collapsed {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    transform: translateY(var(--expand-reveal-offset));
    pointer-events: none;
}

.settings-channel-block-inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--surface-block-padding-sm) var(--surface-block-padding-md);
    border-radius: var(--surface-block-radius-sm);
    border: 1px solid var(--surface-panel-subtle-border);
    background: color-mix(in srgb, var(--surface-panel-muted) 76%, transparent);
}

.settings-channel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.settings-channel-label {
    font-size: var(--type-label-sm-size);
    font-weight: 700;
    line-height: var(--type-label-sm-line);
    color: var(--text-secondary);
}

.settings-channel-help {
    margin: 0;
    text-align: right;
}

.settings-device-id-btn {
    margin-top: var(--space-1);
    display: block;
    width: 100%;
    padding: var(--space-3);
    border: 1px dashed color-mix(in srgb, var(--accent) 24%, var(--card-border));
    border-radius: var(--button-compact-radius);
    background: color-mix(in srgb, var(--accent-soft) 42%, transparent);
    color: var(--text-secondary);
    font: inherit;
    font-size: var(--type-body-sm-size);
    line-height: var(--type-body-xs-line);
    text-align: left;
    cursor: pointer;
    white-space: pre-line;
    overflow-wrap: anywhere;
    opacity: 0.92;
}

.settings-check-update-btn {
    width: 100%;
    margin-top: 0;
    font: inherit;
}

.settings-update-summary {
    margin-top: 0;
}

.settings-reveal {
    overflow: hidden;
    max-height: 120px;
    opacity: 1;
    margin-top: 0;
    transform: translateY(0);
    pointer-events: auto;
    transition: max-height var(--expand-reveal-size-duration) var(--expand-reveal-easing), opacity var(--expand-reveal-fade-duration) var(--expand-reveal-easing), transform var(--expand-reveal-fade-duration) var(--expand-reveal-easing), margin-top var(--expand-reveal-fade-duration) var(--expand-reveal-easing);
}

.settings-reveal[hidden] {
    display: none;
}

.settings-reveal.is-collapsed {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    transform: translateY(var(--expand-reveal-offset));
    pointer-events: none;
}

.settings-update-download-btn {
    margin-top: 0;
    background: color-mix(in srgb, var(--accent-primary) 16%, var(--surface-control));
    border-color: color-mix(in srgb, var(--accent-primary) 34%, var(--card-border));
}

.settings-update-download-btn:hover {
    background: color-mix(in srgb, var(--accent-primary) 22%, var(--surface-control-hover));
}

.settings-update-debug {
    margin-top: 0;
    white-space: pre-line;
    overflow-wrap: anywhere;
}

.settings-group-app {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.settings-device-id-label,
.settings-device-id-value {
    display: block;
}

.settings-device-id-label {
    margin-bottom: var(--space-1);
    font-weight: 700;
    letter-spacing: var(--type-label-xs-track);
    text-transform: uppercase;
    opacity: 0.58;
}

.settings-device-id-value {
    line-height: 1.4;
    letter-spacing: 0.01em;
}

.settings-device-id-btn:hover {
    color: var(--text-primary);
    border-color: color-mix(in srgb, var(--accent) 36%, var(--card-border));
}

.theme-mode-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.settings-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin: 0;
}

.settings-buttons .btn-reset {
    width: 100%;
    justify-content: center;
    padding: var(--button-padding-block) var(--button-padding-inline);
    font-size: var(--button-font-size);
    font-weight: var(--button-font-weight);
    letter-spacing: var(--button-letter-spacing);
    text-transform: none;
    box-shadow: var(--surface-panel-elevated-shadow);
}

.settings-danger-zone {
    position: relative;
    margin: 0;
    padding: var(--surface-block-padding-lg);
    border-radius: var(--surface-block-radius-lg);
    border: 1px solid var(--surface-panel-danger-border);
    background: var(--surface-panel-danger);
    box-shadow: none;
}

.settings-danger-zone::before {
    content: "Небезпечна дія";
    display: inline-flex;
    align-items: center;
    margin-bottom: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-pill);
    background: var(--surface-danger-badge);
    color: var(--surface-panel-danger-text);
    font-size: var(--type-label-xs-size);
    font-weight: 700;
    line-height: var(--type-label-xs-line);
    letter-spacing: var(--type-label-xs-track);
    text-transform: uppercase;
}

.settings-danger-text {
    color: var(--text-secondary);
}

.settings-danger-btn {
    --hold-progress: 0%;
    margin-top: var(--space-4);
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: 0;
    border-radius: var(--surface-block-radius-sm);
    border: 1px solid var(--surface-panel-danger-button-border);
    background: var(--surface-panel-danger-button);
    color: var(--surface-panel-danger-text);
    font-size: var(--button-font-size);
    font-weight: var(--button-font-weight);
    letter-spacing: var(--button-letter-spacing);
    text-transform: none;
    cursor: pointer;
    transition: var(--control-transition);
    box-shadow: none;
}

.settings-danger-btn-fill {
    position: absolute;
    inset: 0 auto 0 0;
    width: var(--hold-progress);
    background: linear-gradient(90deg, color-mix(in srgb, var(--surface-panel-danger-text) 22%, transparent), rgba(255, 149, 0, 0.2));
    transition: width 0.08s linear;
}

.settings-danger-btn-content {
    position: relative;
    z-index: var(--z-base);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: var(--button-min-height);
    padding: var(--button-compact-padding-block) var(--button-compact-padding-inline);
}

.settings-danger-btn-title {
    font-size: var(--button-font-size);
    font-weight: var(--button-font-weight);
    letter-spacing: var(--button-letter-spacing);
    text-transform: none;
    text-align: center;
}

.settings-danger-btn:hover {
    border-color: var(--surface-panel-danger-button-border);
    background: var(--surface-panel-danger-button-hover);
    color: var(--surface-panel-danger-text);
    box-shadow: var(--surface-panel-elevated-shadow-hover);
    transform: var(--button-hover-transform);
}

.settings-danger-btn.is-holding {
    border-color: color-mix(in srgb, var(--surface-panel-danger-text) 38%, transparent);
    background:
        linear-gradient(90deg, rgba(255, 244, 244, 0.96), rgba(255, 248, 240, 0.96));
    box-shadow: var(--surface-panel-elevated-shadow-hover);
    transform: translateY(0);
}

[data-theme="dark"] .settings-danger-zone::before {
    background: var(--surface-danger-badge);
    color: var(--surface-panel-danger-text);
}

[data-theme="dark"] .settings-danger-btn-fill {
    background: linear-gradient(90deg, color-mix(in srgb, var(--surface-panel-danger-text) 28%, transparent), rgba(255, 159, 10, 0.2));
}

[data-theme="dark"] .settings-danger-btn.is-holding {
    background:
        linear-gradient(90deg, rgba(74, 34, 39, 0.96), rgba(70, 43, 26, 0.94));
}

.btn-reset {
    box-shadow: var(--surface-panel-elevated-shadow);
}

[data-theme="dark"] .settings-group {
    background: var(--surface-panel-subtle);
    border-color: var(--surface-panel-subtle-border);
}

@media (max-width: 720px) {
    .settings-card {
        gap: var(--space-3);
    }

    .settings-group-app {
        padding: var(--space-5);
    }

    .settings-group-app .settings-label {
        margin-bottom: var(--space-3);
    }

    .settings-group-app .settings-meta-btn {
        padding: var(--field-padding);
        gap: var(--space-1);
        border-radius: var(--surface-block-radius-sm);
    }

    .settings-channel-block {
        padding: var(--space-3);
        gap: var(--space-2);
        border-radius: var(--button-compact-radius);
    }

    .settings-channel-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 2px;
    }

    .settings-channel-help {
        text-align: left;
    }

    .settings-group-app .settings-meta-title {
        font-size: var(--type-body-md-size);
    }

    .settings-group-app .settings-help-text,
    .settings-group-app .settings-update-debug {
        font-size: var(--type-caption-xxs-size);
        line-height: var(--type-body-ui-line);
        margin-top: var(--space-2);
    }

    .settings-group-app .settings-check-update-btn {
        margin-top: var(--space-2);
        padding: var(--button-compact-padding-block) var(--button-compact-padding-inline);
        border-radius: var(--button-radius);
        font-size: var(--button-font-size);
    }

    .settings-group-app .settings-device-id-btn {
        margin-top: var(--space-1);
        padding: var(--space-3);
        border-radius: var(--button-compact-radius);
    }

    .settings-group-app .settings-device-id-label {
        font-size: var(--type-caption-xxs-size);
    }

    .settings-group-app .settings-device-id-value {
        font-size: var(--type-caption-xxs-size);
        line-height: 1.35;
    }
}