:root {
    --ri-agent-primary: #2563eb;
    --ri-agent-primary-dark: #1d4ed8;
    --ri-agent-primary-soft: #eff6ff;
    --ri-agent-text: #0f172a;
    --ri-agent-muted: #64748b;
    --ri-agent-border: #dbe4f0;
    --ri-agent-surface: #ffffff;
    --ri-agent-surface-soft: #f8fafc;
    --ri-agent-success: #059669;
    --ri-agent-success-soft: #ecfdf5;
    --ri-agent-warning: #b45309;
    --ri-agent-warning-soft: #fffbeb;
    --ri-agent-danger: #dc2626;
    --ri-agent-danger-soft: #fef2f2;
    --ri-agent-shadow: 0 24px 70px rgba(15, 23, 42, 0.22);
}

.ri-agent-shell {
    display: block;
    width: 100%;
    margin: 0 0 14px;
    color: var(--ri-agent-text);
}

.ri-agent-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 54px;
    padding: 8px 12px;
    border: 1px solid var(--ri-agent-border);
    border-radius: 14px;
    background: var(--ri-agent-surface);
    box-shadow: 0 4px 18px rgba(15, 23, 42, 0.05);
}

.ri-agent-toolbar button {
    font: inherit;
}

.ri-agent-toolbar__icon,
.ri-agent-toolbar__device,
.ri-agent-dialog button {
    -webkit-tap-highlight-color: transparent;
}

.ri-agent-toolbar__icon {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--ri-agent-primary);
    border-radius: 999px;
    background: var(--ri-agent-primary);
    color: #fff;
    cursor: pointer;
    transition: transform .16s ease, background .16s ease, opacity .16s ease;
}

.ri-agent-toolbar__icon:nth-child(2) {
    background: #0f9f9a;
    border-color: #0f9f9a;
}

.ri-agent-toolbar__icon:hover:not(:disabled) {
    transform: translateY(-1px);
    filter: brightness(.96);
}

.ri-agent-toolbar__icon:disabled {
    cursor: not-allowed;
    opacity: .4;
}

.ri-agent-toolbar__icon svg,
.ri-agent-toolbar__device svg,
.ri-agent-dialog__close svg,
.ri-agent-device-card__icon svg,
.ri-agent-choice-card__icon svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.ri-agent-toolbar__device {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-width: 220px;
    min-height: 42px;
    padding: 0 18px;
    border: 2px solid #0f8b8d;
    border-radius: 999px;
    background: #fff;
    color: #0f6670;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .02em;
    cursor: pointer;
    transition: background .16s ease, transform .16s ease;
}

.ri-agent-toolbar__device:hover {
    background: #ecfeff;
    transform: translateY(-1px);
}

.ri-agent-toolbar__status {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-left: auto;
    color: var(--ri-agent-muted);
    font-size: 12px;
    white-space: nowrap;
}

.ri-agent-toolbar__dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #94a3b8;
    box-shadow: 0 0 0 4px rgba(148, 163, 184, .14);
}

.ri-agent-toolbar__status.is-ready .ri-agent-toolbar__dot {
    background: var(--ri-agent-success);
    box-shadow: 0 0 0 4px rgba(5, 150, 105, .13);
}

.ri-agent-toolbar__status.is-warning .ri-agent-toolbar__dot {
    background: #f59e0b;
    box-shadow: 0 0 0 4px rgba(245, 158, 11, .14);
}

.ri-agent-toolbar__status.is-error .ri-agent-toolbar__dot {
    background: var(--ri-agent-danger);
    box-shadow: 0 0 0 4px rgba(220, 38, 38, .12);
}

.ri-agent-modal[hidden] {
    display: none !important;
}

.ri-agent-modal {
    position: fixed;
    inset: 0;
    z-index: 2147483000;
    display: grid;
    place-items: center;
    padding: 24px;
}

.ri-agent-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, .62);
    backdrop-filter: blur(3px);
}

.ri-agent-dialog {
    position: relative;
    display: flex;
    flex-direction: column;
    width: min(760px, calc(100vw - 40px));
    max-height: min(820px, calc(100vh - 40px));
    border: 1px solid rgba(255, 255, 255, .7);
    border-radius: 18px;
    background: var(--ri-agent-surface);
    box-shadow: var(--ri-agent-shadow);
    overflow: hidden;
    outline: none;
    animation: ri-agent-dialog-in .18s ease-out;
}

@keyframes ri-agent-dialog-in {
    from { opacity: 0; transform: translateY(12px) scale(.985); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.ri-agent-dialog__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 24px 18px;
    border-bottom: 1px solid var(--ri-agent-border);
}

.ri-agent-dialog__eyebrow {
    display: block;
    margin-bottom: 5px;
    color: var(--ri-agent-primary);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .09em;
}

.ri-agent-dialog__header h2 {
    margin: 0;
    color: var(--ri-agent-text);
    font-size: 20px;
    line-height: 1.3;
}

.ri-agent-dialog__header p {
    max-width: 570px;
    margin: 7px 0 0;
    color: var(--ri-agent-muted);
    font-size: 14px;
    line-height: 1.55;
}

.ri-agent-dialog__close {
    display: inline-grid;
    place-items: center;
    flex: 0 0 auto;
    width: 38px;
    height: 38px;
    padding: 0;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: #334155;
    cursor: pointer;
}

.ri-agent-dialog__close:hover:not(:disabled) {
    background: #f1f5f9;
}

.ri-agent-dialog__close:disabled {
    cursor: not-allowed;
    opacity: .35;
}

.ri-agent-dialog__body {
    min-height: 280px;
    padding: 24px;
    overflow-y: auto;
}

.ri-agent-dialog__footer {
    padding: 0 24px 20px;
}

.ri-agent-loading,
.ri-agent-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 250px;
    text-align: center;
}

.ri-agent-loading strong,
.ri-agent-empty h3 {
    margin: 18px 0 6px;
    font-size: 17px;
}

.ri-agent-loading p,
.ri-agent-empty p {
    max-width: 500px;
    margin: 0;
    color: var(--ri-agent-muted);
    font-size: 14px;
    line-height: 1.55;
}

.ri-agent-spinner {
    width: 38px;
    height: 38px;
    border: 4px solid #dbeafe;
    border-top-color: var(--ri-agent-primary);
    border-radius: 50%;
    animation: ri-agent-spin .8s linear infinite;
}

@keyframes ri-agent-spin { to { transform: rotate(360deg); } }

.ri-agent-status-card,
.ri-agent-install-card,
.ri-agent-result-card {
    padding: 20px;
    border: 1px solid var(--ri-agent-border);
    border-radius: 14px;
    background: var(--ri-agent-surface-soft);
}

.ri-agent-status-card.is-error,
.ri-agent-result-card.is-error {
    border-color: #fecaca;
    background: var(--ri-agent-danger-soft);
}

.ri-agent-status-card.is-warning,
.ri-agent-install-card {
    border-color: #fde68a;
    background: var(--ri-agent-warning-soft);
}

.ri-agent-status-card.is-success,
.ri-agent-result-card.is-success {
    border-color: #a7f3d0;
    background: var(--ri-agent-success-soft);
}

.ri-agent-status-card h3,
.ri-agent-install-card h3,
.ri-agent-result-card h3 {
    margin: 0 0 7px;
    font-size: 17px;
}

.ri-agent-status-card p,
.ri-agent-install-card p,
.ri-agent-result-card p {
    margin: 0;
    color: #475569;
    font-size: 14px;
    line-height: 1.55;
}

.ri-agent-component-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 18px 0 0;
}

.ri-agent-component {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 11px 13px;
    border: 1px solid rgba(148, 163, 184, .35);
    border-radius: 10px;
    background: rgba(255, 255, 255, .74);
    font-size: 13px;
}

.ri-agent-component strong {
    font-size: 13px;
}

.ri-agent-component .is-ok { color: var(--ri-agent-success); }
.ri-agent-component .is-missing { color: var(--ri-agent-warning); }
.ri-agent-component .is-error { color: var(--ri-agent-danger); }

.ri-agent-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.ri-agent-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 17px;
    border: 1px solid var(--ri-agent-border);
    border-radius: 10px;
    background: #fff;
    color: #1e293b;
    font: inherit;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
}

.ri-agent-btn:hover:not(:disabled) { background: #f8fafc; }
.ri-agent-btn:disabled { cursor: not-allowed; opacity: .5; }
.ri-agent-btn.is-primary { border-color: var(--ri-agent-primary); background: var(--ri-agent-primary); color: #fff; }
.ri-agent-btn.is-primary:hover:not(:disabled) { background: var(--ri-agent-primary-dark); }
.ri-agent-btn.is-danger { border-color: #fca5a5; background: #fff; color: var(--ri-agent-danger); }
.ri-agent-btn.is-success { border-color: var(--ri-agent-success); background: var(--ri-agent-success); color: #fff; }

.ri-agent-section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 12px;
}

.ri-agent-section-title h3 {
    margin: 0;
    font-size: 15px;
}

.ri-agent-section-title p {
    margin: 3px 0 0;
    color: var(--ri-agent-muted);
    font-size: 12px;
}

.ri-agent-device-list,
.ri-agent-board-list {
    display: grid;
    gap: 11px;
}

.ri-agent-device-card,
.ri-agent-choice-card {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 14px;
    padding: 15px 16px;
    border: 1px solid var(--ri-agent-border);
    border-radius: 12px;
    background: #fff;
    color: var(--ri-agent-text);
    text-align: left;
    cursor: pointer;
    transition: border-color .16s ease, background .16s ease, transform .16s ease;
}

.ri-agent-device-card:hover,
.ri-agent-choice-card:hover,
.ri-agent-device-card.is-selected,
.ri-agent-choice-card.is-selected {
    border-color: var(--ri-agent-primary);
    background: var(--ri-agent-primary-soft);
    transform: translateY(-1px);
}

.ri-agent-device-card__icon,
.ri-agent-choice-card__icon {
    display: inline-grid;
    place-items: center;
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: #e2e8f0;
    color: #475569;
}

.ri-agent-device-card__content,
.ri-agent-choice-card__content {
    min-width: 0;
    flex: 1;
}

.ri-agent-device-card__content strong,
.ri-agent-choice-card__content strong {
    display: block;
    margin-bottom: 3px;
    font-size: 14px;
}

.ri-agent-device-card__content span,
.ri-agent-choice-card__content span {
    display: block;
    color: var(--ri-agent-muted);
    font-size: 12px;
    line-height: 1.45;
}

.ri-agent-device-card__arrow {
    color: var(--ri-agent-muted);
    font-size: 20px;
}

.ri-agent-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 20px 0;
    color: #64748b;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .08em;
}

.ri-agent-divider::before,
.ri-agent-divider::after {
    content: "";
    height: 1px;
    flex: 1;
    background: var(--ri-agent-border);
}

.ri-agent-search {
    width: 100%;
    min-height: 42px;
    margin: 0 0 12px;
    padding: 0 13px;
    border: 1px solid var(--ri-agent-border);
    border-radius: 10px;
    color: var(--ri-agent-text);
    font: inherit;
    font-size: 13px;
    outline: none;
}

.ri-agent-search:focus {
    border-color: var(--ri-agent-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}

.ri-agent-progress-panel {
    min-height: 260px;
}

.ri-agent-progress-panel__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.ri-agent-progress-panel__head h3 {
    margin: 0;
    font-size: 17px;
}

.ri-agent-progress-panel__percent {
    color: var(--ri-agent-primary);
    font-size: 16px;
    font-weight: 800;
}

.ri-agent-progress {
    height: 10px;
    margin: 18px 0 14px;
    border-radius: 999px;
    background: #dbeafe;
    overflow: hidden;
}

.ri-agent-progress__bar {
    height: 100%;
    width: 0;
    border-radius: inherit;
    background: linear-gradient(90deg, #2563eb, #14b8a6);
    transition: width .25s ease;
}

.ri-agent-progress-panel__message {
    margin: 0;
    color: #334155;
    font-size: 14px;
    line-height: 1.55;
}

.ri-agent-progress-panel__activity {
    margin-top: 8px;
    color: var(--ri-agent-muted);
    font-size: 12px;
}

.ri-agent-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 16px;
}

.ri-agent-metric {
    padding: 13px;
    border: 1px solid var(--ri-agent-border);
    border-radius: 10px;
    background: #fff;
}

.ri-agent-metric span {
    display: block;
    margin-bottom: 5px;
    color: var(--ri-agent-muted);
    font-size: 11px;
}

.ri-agent-metric strong {
    display: block;
    overflow-wrap: anywhere;
    font-size: 13px;
}

.ri-agent-summary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 16px;
}

.ri-agent-summary div {
    padding: 11px 12px;
    border: 1px solid var(--ri-agent-border);
    border-radius: 9px;
    background: #fff;
}

.ri-agent-summary span {
    display: block;
    margin-bottom: 4px;
    color: var(--ri-agent-muted);
    font-size: 11px;
}

.ri-agent-summary strong {
    display: block;
    font-size: 13px;
    overflow-wrap: anywhere;
}

.ri-agent-technical {
    border-top: 1px solid var(--ri-agent-border);
    padding-top: 14px;
}

.ri-agent-technical summary {
    color: #475569;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    user-select: none;
}

.ri-agent-log {
    max-height: 210px;
    margin-top: 10px;
    padding: 12px;
    border-radius: 10px;
    background: #0f172a;
    color: #dbeafe;
    overflow: auto;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 11px;
    line-height: 1.5;
}

.ri-agent-log > div {
    display: grid;
    grid-template-columns: 60px 86px minmax(0, 1fr);
    gap: 8px;
}

.ri-agent-log time { color: #93c5fd; }
.ri-agent-log strong { color: #6ee7b7; }
.ri-agent-log .is-error strong { color: #fca5a5; }
.ri-agent-log .is-warning strong { color: #fcd34d; }
.ri-agent-log span { white-space: pre-wrap; overflow-wrap: anywhere; }

body.ri-agent-modal-open {
    overflow: hidden;
}

@media (max-width: 720px) {
    .ri-agent-toolbar {
        flex-wrap: wrap;
    }

    .ri-agent-toolbar__device {
        order: 3;
        width: 100%;
        min-width: 0;
    }

    .ri-agent-toolbar__status {
        margin-left: 0;
        flex: 1;
        justify-content: flex-end;
    }

    .ri-agent-modal {
        align-items: end;
        padding: 0;
    }

    .ri-agent-dialog {
        width: 100%;
        max-height: 94vh;
        border-radius: 18px 18px 0 0;
    }

    .ri-agent-dialog__header,
    .ri-agent-dialog__body,
    .ri-agent-dialog__footer {
        padding-left: 18px;
        padding-right: 18px;
    }

    .ri-agent-component-list,
    .ri-agent-metrics,
    .ri-agent-summary {
        grid-template-columns: 1fr;
    }

    .ri-agent-log > div {
        grid-template-columns: 50px 75px minmax(0, 1fr);
    }
}

@media (prefers-reduced-motion: reduce) {
    .ri-agent-dialog,
    .ri-agent-spinner,
    .ri-agent-toolbar__icon,
    .ri-agent-toolbar__device,
    .ri-agent-device-card,
    .ri-agent-choice-card,
    .ri-agent-progress__bar {
        animation: none !important;
        transition: none !important;
    }
}

.ri-agent-inline-details {
    margin-top: 14px;
    border: 1px solid #dbe4f0;
    border-radius: 10px;
    background: #f8fafc;
    overflow: hidden;
}

.ri-agent-inline-details summary {
    padding: 10px 12px;
    cursor: pointer;
    font-weight: 700;
    color: #334155;
}

.ri-agent-inline-details pre {
    margin: 0;
    padding: 12px;
    max-height: 180px;
    overflow: auto;
    border-top: 1px solid #dbe4f0;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    color: #475569;
    font-size: 11px;
    line-height: 1.5;
}

/* Firmware Studio header integration (legacy base; superseded by UI 2.2.2 below) */
.ri-agent-toolbar-slot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    max-width: 100%;
    flex: 0 1 auto;
}

.ri-agent-toolbar.is-docked {
    min-height: 42px;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    gap: 12px;
}

.ri-agent-toolbar.is-docked .ri-agent-toolbar__device {
    min-width: 260px;
    min-height: 42px;
    max-width: min(360px, 34vw);
    padding-inline: 18px;
    overflow: hidden;
}

.ri-agent-toolbar.is-docked .ri-agent-toolbar__device [data-device-button-label] {
    display: block;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ri-agent-toolbar.is-docked .ri-agent-toolbar__status {
    margin-left: 0;
}

.ri-agent-shell.is-docked {
    width: 0;
    height: 0;
    margin: 0;
    overflow: visible;
}

[data-ri-agent-replaced-action] {
    display: none !important;
}

@media (max-width: 1180px) {
    .ri-agent-toolbar.is-docked .ri-agent-toolbar__status {
        display: none;
    }

    .ri-agent-toolbar.is-docked .ri-agent-toolbar__device {
        min-width: 220px;
        max-width: 290px;
    }
}

@media (max-width: 860px) {
    .ri-agent-toolbar-slot {
        width: 100%;
        margin-block: 6px;
    }

    .ri-agent-toolbar.is-docked {
        width: 100%;
        justify-content: center;
    }

    .ri-agent-toolbar.is-docked .ri-agent-toolbar__device {
        width: min(100%, 360px);
        min-width: 0;
        max-width: 100%;
    }
}

/* Firmware Studio direct-local toolbar (UI 2.2.2) */
.ri-agent-toolbar-slot {
    margin-left: 8px;
}

.ri-agent-toolbar.is-docked {
    gap: 8px;
}

.ri-agent-toolbar.is-docked .ri-agent-toolbar__icon {
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
}

.ri-agent-toolbar.is-docked .ri-agent-toolbar__device {
    min-width: 230px;
    min-height: 40px;
    max-width: min(320px, 30vw);
    padding-inline: 14px;
    border-width: 1px;
    border-radius: 11px;
    justify-content: space-between;
    background: #fff;
}

.ri-agent-toolbar.is-docked .ri-agent-toolbar__status {
    display: none;
}

@media (max-width: 980px) {
    .ri-agent-toolbar-slot {
        margin-left: 4px;
    }

    .ri-agent-toolbar.is-docked .ri-agent-toolbar__device {
        min-width: 190px;
        max-width: 240px;
    }
}

@media (max-width: 720px) {
    .ri-agent-toolbar-slot {
        width: 100%;
        margin: 6px 0 0;
    }

    .ri-agent-toolbar.is-docked {
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .ri-agent-toolbar.is-docked .ri-agent-toolbar__device {
        flex: 1 1 220px;
        width: auto;
        max-width: 100%;
    }
}

/* Firmware Studio permanent toolbar mount and recovery (UI 2.2.2) */
.ri-agent-toolbar-anchor,
[data-local-agent-toolbar-anchor],
.ri-agent-toolbar-slot {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    min-width: 0;
    flex: 0 0 auto;
    overflow: visible !important;
    vertical-align: middle;
}

.ri-agent-toolbar-anchor:empty,
[data-local-agent-toolbar-anchor]:empty {
    min-width: 0;
}

.ri-agent-shell.is-fallback {
    display: block !important;
    width: 100%;
    height: auto;
    margin: 0 0 10px;
    overflow: visible;
}

.ri-agent-shell.is-fallback .ri-agent-toolbar {
    display: flex !important;
    width: 100%;
    justify-content: center;
    visibility: visible !important;
    opacity: 1 !important;
}

.ri-agent-toolbar.is-docked {
    display: inline-flex !important;
    flex-wrap: nowrap;
    width: auto;
    max-width: min(660px, 48vw);
    visibility: visible !important;
    opacity: 1 !important;
    overflow: visible;
}

.ri-agent-toolbar.is-docked .ri-agent-toolbar__device {
    min-width: 210px;
    max-width: min(300px, 28vw);
}

.ri-agent-toolbar.is-docked .ri-agent-toolbar__icon,
.ri-agent-toolbar.is-docked .ri-agent-toolbar__device {
    flex-shrink: 0;
}

@media (max-width: 1100px) {
    .ri-agent-toolbar.is-docked {
        max-width: min(520px, 44vw);
    }

    .ri-agent-toolbar.is-docked .ri-agent-toolbar__device {
        min-width: 175px;
        max-width: 220px;
    }
}

@media (max-width: 820px) {
    .ri-agent-toolbar-anchor,
    [data-local-agent-toolbar-anchor],
    .ri-agent-toolbar-slot {
        width: 100%;
        margin-top: 8px;
    }

    .ri-agent-toolbar.is-docked {
        width: 100%;
        max-width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .ri-agent-toolbar.is-docked .ri-agent-toolbar__device {
        flex: 1 1 210px;
        min-width: 180px;
        max-width: 100%;
    }
}

/* Multi-source resolver diagnostics (UI 2.4.0) */
.ri-agent-diagnostics-card {
    display: grid;
    gap: 16px;
}
.ri-agent-diagnostics-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}
.ri-agent-diagnostics-grid > div {
    display: grid;
    gap: 4px;
    padding: 12px 14px;
    border: 1px solid var(--ri-agent-border, #e5e7eb);
    border-radius: 12px;
    background: var(--ri-agent-soft, #f8fafc);
}
.ri-agent-diagnostics-grid span {
    color: #64748b;
    font-size: 12px;
}
.ri-agent-diagnostics-grid strong {
    overflow-wrap: anywhere;
    color: #0f172a;
    font-size: 13px;
}
.ri-agent-diagnostics-attempts {
    border: 1px solid var(--ri-agent-border, #e5e7eb);
    border-radius: 12px;
    padding: 12px 14px;
}
.ri-agent-diagnostics-attempts ol {
    max-height: 220px;
    margin: 10px 0 0;
    padding-left: 22px;
    overflow: auto;
    font: 12px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (max-width: 720px) {
    .ri-agent-diagnostics-grid { grid-template-columns: 1fr; }
}

/* Firmware Studio 2.5.3 — Arduino-style Flavours popover */
.ri-agent-toolbar__flavours {
    position: relative;
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    background: #fff;
    color: #0f172a;
    cursor: pointer;
    transition: background .16s ease, border-color .16s ease, transform .16s ease, opacity .16s ease;
}

.ri-agent-toolbar__flavours:hover:not(:disabled),
.ri-agent-toolbar__flavours[aria-expanded="true"]:not(:disabled) {
    border-color: #008b91;
    background: #ecfeff;
    color: #0f6670;
}

.ri-agent-toolbar__flavours[data-readiness="diagnostic"]:not(:disabled) {
    border-color: #f59e0b;
    background: #fffbeb;
    color: #92400e;
}

.ri-agent-toolbar__flavours[data-readiness="ready"]:not(:disabled) {
    border-color: #99f6e4;
    background: #f0fdfa;
    color: #0f766e;
}

.ri-agent-toolbar__flavours:disabled {
    cursor: not-allowed;
    opacity: .38;
}

.ri-agent-toolbar__flavours svg {
    width: 23px;
    height: 23px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
}

.ri-agent-toolbar__flavours-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    display: grid;
    place-items: center;
    min-width: 19px;
    height: 19px;
    padding: 0 5px;
    border: 2px solid #fff;
    border-radius: 999px;
    background: #2563eb;
    color: #fff;
    font-size: 10px;
    font-weight: 800;
}

.ri-agent-toolbar__flavours-badge[data-kind="diagnostic"] {
    background: #d97706;
}

.ri-board-flavours-popover[hidden] {
    display: none !important;
}

.ri-board-flavours-popover {
    position: fixed;
    z-index: 2147483500;
    display: flex;
    flex-direction: column;
    width: 332px;
    max-height: 540px;
    overflow: hidden;
    border: 1px solid #d6dee3;
    border-radius: 4px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(17, 33, 39, .18);
    color: #17272d;
    animation: ri-flavours-popover-in 120ms ease-out;
}

@keyframes ri-flavours-popover-in {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.ri-board-flavours-popover[data-placement="top"] {
    transform-origin: bottom right;
}

.ri-board-flavours-popover__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex: 0 0 auto;
    padding: 20px 16px 12px;
    background: #fff;
}

.ri-board-flavours-popover__header strong {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.35;
}

.ri-board-flavours-popover__header [data-flavours-status] {
    max-width: 160px;
    overflow: hidden;
    color: #64748b;
    font-size: 11px;
    line-height: 1.3;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ri-board-flavours-popover__header [data-flavours-status][data-kind="saved"] {
    color: #0f766e;
    font-weight: 700;
}

.ri-board-flavours-popover__header [data-flavours-status][data-kind="warning"] {
    color: #92400e;
}

.ri-board-flavours-popover__header [data-flavours-status][data-kind="error"] {
    color: #b91c1c;
}

.ri-board-flavours-popover__body {
    flex: 1 1 auto;
    min-height: 0;
    padding: 4px 16px 20px;
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #809397 transparent;
    overscroll-behavior: contain;
}

.ri-board-flavours-popover__body::-webkit-scrollbar {
    width: 8px;
}

.ri-board-flavours-popover__body::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background: #809397;
}

.ri-board-flavours-field {
    display: block;
    margin: 0 0 20px;
}

.ri-board-flavours-field:last-child {
    margin-bottom: 0;
}

.ri-board-flavours-field__label {
    display: block;
    margin: 0 0 10px;
    color: #273b42;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.4;
}

.ri-board-flavours-field__select-wrap {
    position: relative;
    display: block;
}

.ri-board-flavours-field select {
    width: 100%;
    min-height: 38px;
    padding: 8px 38px 8px 9px;
    appearance: none;
    border: 1px solid #ccd8dd;
    border-radius: 3px;
    background: #fff;
    color: #0f2026;
    font: inherit;
    font-size: 14px;
    line-height: 1.35;
    cursor: pointer;
}

.ri-board-flavours-field select:focus {
    border-color: #008b91;
    outline: 2px solid rgba(0, 151, 157, .22);
}

.ri-board-flavours-field__select-wrap::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 14px;
    width: 0;
    height: 0;
    border-right: 5px solid transparent;
    border-left: 5px solid transparent;
    border-top: 6px solid #53666c;
    transform: translateY(-30%);
    pointer-events: none;
}

.ri-board-flavours-field.is-dangerous .ri-board-flavours-field__label {
    color: #92400e;
}

.ri-board-flavours-popover__state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 220px;
    padding: 24px 10px;
    text-align: center;
}

.ri-board-flavours-popover__state strong {
    margin: 14px 0 5px;
    font-size: 14px;
}

.ri-board-flavours-popover__state p {
    margin: 0 0 16px;
    color: #64748b;
    font-size: 12px;
    line-height: 1.5;
}

.ri-board-flavours-popover__state.is-error strong {
    color: #b91c1c;
}

.ri-board-flavours-popover__state.is-warning strong {
    color: #92400e;
}

.ri-board-flavours-popover__state button {
    min-height: 36px;
    padding: 0 13px;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    background: #fff;
    color: #334155;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
}

@media (max-width: 720px) {
    .ri-agent-toolbar__flavours { width: 40px; height: 40px; }
    .ri-board-flavours-popover {
        max-width: calc(100vw - 24px);
    }
}

/* Firmware Studio 2.4.0 — Settings and Connection information architecture */
.ri-fw-settings-panel,
.ri-fw-connection-panel {
    padding: 16px;
}

.ri-fw-settings-heading {
    display: flex;
    align-items: center;
    gap: 13px;
    margin-bottom: 16px;
    padding: 16px 18px;
    border: 1px solid #dbe4f0;
    border-radius: 14px;
    background: #fff;
}

.ri-fw-settings-heading h2 { margin: 0; color: #0f172a; font-size: 18px; }
.ri-fw-settings-heading p { margin: 4px 0 0; color: #64748b; font-size: 12px; }

.ri-fw-settings-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.ri-fw-settings-card {
    padding: 18px;
    border: 1px solid #dbe4f0;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 2px 10px rgba(15, 23, 42, .025);
}

.ri-fw-settings-card > header {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    margin-bottom: 15px;
}

.ri-fw-settings-card > header > i {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: #eff6ff;
    color: #2563eb;
    font-size: 19px;
}

.ri-fw-settings-card h3 { margin: 0; color: #0f172a; font-size: 15px; }
.ri-fw-settings-card header p { margin: 3px 0 0; color: #64748b; font-size: 11px; line-height: 1.45; }

.ri-fw-pref-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 10px;
}

.ri-fw-pref-grid > label,
.ri-fw-pref-select {
    display: grid;
    gap: 6px;
    margin-bottom: 10px;
}

.ri-fw-pref-grid span,
.ri-fw-pref-select > span {
    color: #475569;
    font-size: 11px;
    font-weight: 700;
}

.ri-fw-pref-grid select,
.ri-fw-pref-select select {
    width: 100%;
    min-height: 39px;
    padding: 0 10px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #fff;
    color: #0f172a;
    font: inherit;
    font-size: 12px;
}

.ri-fw-pref-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 46px;
    padding: 8px 0;
    border-top: 1px solid #edf2f7;
}

.ri-fw-pref-toggle > span { display: grid; gap: 2px; }
.ri-fw-pref-toggle strong { color: #334155; font-size: 12px; }
.ri-fw-pref-toggle small { color: #94a3b8; font-size: 10px; line-height: 1.35; }

.ri-fw-pref-toggle input[type="checkbox"] {
    appearance: none;
    position: relative;
    flex: 0 0 auto;
    width: 42px;
    height: 24px;
    border: 1px solid #cbd5e1;
    border-radius: 999px;
    background: #e2e8f0;
    cursor: pointer;
    transition: background .16s ease, border-color .16s ease;
}

.ri-fw-pref-toggle input[type="checkbox"]::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 4px rgba(15, 23, 42, .2);
    transition: transform .16s ease;
}

.ri-fw-pref-toggle input[type="checkbox"]:checked {
    border-color: #0f9f9a;
    background: #0f9f9a;
}

.ri-fw-pref-toggle input[type="checkbox"]:checked::after { transform: translateX(18px); }

.ri-fw-agent-settings dl {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin: 0 0 14px;
}

.ri-fw-agent-settings dl > div {
    padding: 10px;
    border-radius: 9px;
    background: #f8fafc;
}

.ri-fw-agent-settings dt { color: #64748b; font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; }
.ri-fw-agent-settings dd { margin: 3px 0 0; color: #0f172a; font-size: 12px; font-weight: 700; overflow-wrap: anywhere; }

.ri-fw-settings-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.ri-fw-settings-actions button {
    min-height: 36px;
    padding: 0 12px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #fff;
    color: #334155;
    font-size: 11px;
    font-weight: 800;
    cursor: pointer;
}

.ri-fw-settings-actions button:hover { border-color: #0f8b8d; color: #0f6670; }
.ri-fw-settings-actions button.is-danger { border-color: #fecaca; color: #b91c1c; }

.ri-fw-connection-panel .ri-fw-section-wide { grid-column: 1 / -1; }

[data-ri-editor-theme="dark"] #ri-fw-editable-code,
[data-ri-editor-theme="dark"] #ri-fw-editable-highlight,
[data-ri-editor-theme="dark"] .ri-fw-code-editor textarea,
[data-ri-editor-theme="dark"] .ri-fw-code-editor pre {
    background: #0f172a !important;
    color: #e2e8f0 !important;
}

[data-ri-word-wrap="true"] #ri-fw-editable-highlight,
[data-ri-word-wrap="true"] #ri-fw-custom-code,
[data-ri-word-wrap="true"] .ri-fw-code-editor textarea,
[data-ri-word-wrap="true"] .ri-fw-code-editor pre {
    white-space: pre-wrap !important;
    overflow-wrap: break-word !important;
    word-break: normal !important;
}

[data-ri-word-wrap="true"] #ri-fw-editable-highlight {
    min-width: 0;
    width: 100%;
}

[data-ri-word-wrap="true"] #ri-fw-editable-highlight .ri-fw-code-line-content {
    white-space: pre-wrap !important;
    overflow-wrap: break-word !important;
    word-break: normal !important;
}

[data-ri-word-wrap="false"] #ri-fw-editable-highlight,
[data-ri-word-wrap="false"] #ri-fw-custom-code {
    white-space: pre !important;
    overflow-wrap: normal !important;
    word-break: normal !important;
}

@media (max-width: 980px) {
    .ri-fw-settings-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
    .ri-fw-settings-panel,
    .ri-fw-connection-panel { padding: 10px; }
    .ri-fw-pref-grid,
    .ri-fw-agent-settings dl { grid-template-columns: 1fr; }
}