/* =============================================================================
   Service Meter — SiemaszkoLab
   Dark cyberpunk theme, scoped under .service-meter-wrapper
   SO-DIMM / connector pin-by-pin measurement assistant with BLE multimeter
   ============================================================================= */

/* --- Variables --- */
.service-meter-wrapper {
    --smtr-bg-primary: #0a0a0f;
    --smtr-bg-secondary: #12121a;
    --smtr-bg-tertiary: #1a1a2e;
    --smtr-bg-elevated: #16161f;
    --smtr-bg-hover: #1e1e30;

    --smtr-accent: #10b981;
    --smtr-accent-dim: rgba(16, 185, 129, 0.15);
    --smtr-accent-glow: rgba(16, 185, 129, 0.3);
    --smtr-emerald: #10b981;
    --smtr-emerald-dim: rgba(16, 185, 129, 0.15);
    --smtr-amber: #f59e0b;
    --smtr-amber-dim: rgba(245, 158, 11, 0.15);
    --smtr-cyan: #00d4ff;
    --smtr-cyan-dim: rgba(0, 212, 255, 0.15);
    --smtr-red: #f87171;
    --smtr-red-dim: rgba(248, 113, 113, 0.15);
    --smtr-green: #4ade80;
    --smtr-green-dim: rgba(74, 222, 128, 0.15);
    --smtr-orange: #fb923c;
    --smtr-orange-dim: rgba(251, 146, 60, 0.15);
    --smtr-purple: #a78bfa;
    --smtr-purple-dim: rgba(167, 139, 250, 0.15);
    --smtr-blue: #60a5fa;
    --smtr-blue-dim: rgba(96, 165, 250, 0.15);

    --smtr-text-primary: #e0e0e0;
    --smtr-text-secondary: #a0a0a0;
    --smtr-text-muted: #666680;

    --smtr-border: #2a2a3e;
    --smtr-border-light: #1e1e30;

    --smtr-font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --smtr-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --smtr-radius: 8px;
    --smtr-radius-sm: 4px;
    --smtr-transition: 0.2s ease;
}

/* --- Wrapper base --- */
.service-meter-wrapper {
    font-family: var(--smtr-font-body);
    background: var(--smtr-bg-primary);
    color: var(--smtr-text-primary);
    line-height: 1.6;
    padding: 0;
}

.service-meter-wrapper *,
.service-meter-wrapper *::before,
.service-meter-wrapper *::after {
    box-sizing: border-box;
}

.service-meter-wrapper a { color: var(--smtr-accent); text-decoration: none; }
.service-meter-wrapper a:hover { text-decoration: underline; }

.service-meter-wrapper code {
    font-family: var(--smtr-font-mono);
    background: var(--smtr-bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--smtr-radius-sm);
    font-size: 0.9em;
    color: var(--smtr-emerald);
}

/* =============================================================================
   PIN Gate
   ============================================================================= */
.smtr-pin-gate {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(10, 10, 15, 0.97);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    transition: opacity 0.4s ease;
}

.smtr-pin-gate.fade-out {
    opacity: 0;
    pointer-events: none;
}

.smtr-pin-gate__card {
    background: #12121a;
    border: 1px solid #2a2a3e;
    border-radius: 12px;
    padding: 2.5rem 2rem;
    text-align: center;
    width: 340px;
    max-width: 90vw;
    box-shadow: 0 0 60px rgba(16, 185, 129, 0.08);
}

.smtr-pin-gate__icon {
    font-size: 2.5rem;
    color: var(--smtr-accent);
    margin-bottom: 1rem;
}

.smtr-pin-gate__title {
    font-family: var(--smtr-font-mono);
    font-size: 1.3rem;
    font-weight: 700;
    color: #e0e0e0;
    margin: 0 0 0.3rem;
}

.smtr-pin-gate__subtitle {
    font-size: 0.82rem;
    color: #666680;
    margin: 0 0 1.5rem;
}

.smtr-pin-gate__input {
    display: block;
    width: 100%;
    font-family: var(--smtr-font-mono);
    font-size: 1.8rem;
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.5em;
    padding: 0.6rem 1rem;
    background: #0a0a0f;
    border: 1px solid #2a2a3e;
    border-radius: 8px;
    color: var(--smtr-accent);
    outline: none;
    caret-color: var(--smtr-accent);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    margin-bottom: 1rem;
}

.smtr-pin-gate__input:focus {
    border-color: var(--smtr-accent);
    box-shadow: 0 0 0 3px var(--smtr-accent-dim), 0 0 20px rgba(16, 185, 129, 0.1);
}

.smtr-pin-gate__input.shake {
    animation: smtr-pin-shake 0.5s ease;
}

.smtr-pin-gate__btn {
    display: block;
    width: 100%;
    font-family: var(--smtr-font-mono);
    font-size: 0.88rem;
    font-weight: 600;
    padding: 0.65rem 1.5rem;
    background: var(--smtr-accent);
    color: #0a0a0f;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease, box-shadow 0.2s ease;
}

.smtr-pin-gate__btn:hover {
    background: #0d9668;
    box-shadow: 0 0 20px var(--smtr-accent-glow);
}

.smtr-pin-gate__error {
    font-family: var(--smtr-font-mono);
    font-size: 0.78rem;
    color: var(--smtr-red);
    margin: 0.75rem 0 0;
}

@keyframes smtr-pin-shake {
    0%, 100% { transform: translateX(0); }
    10%, 50%, 90% { transform: translateX(-6px); }
    30%, 70% { transform: translateX(6px); }
}

/* =============================================================================
   Page Header
   ============================================================================= */
.smtr-header {
    background: var(--smtr-bg-secondary);
    border-bottom: 1px solid var(--smtr-border);
    padding: 0.8rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.smtr-header__title {
    font-family: var(--smtr-font-mono);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--smtr-text-primary);
    letter-spacing: 0.02em;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.smtr-header__title i {
    color: var(--smtr-accent);
    margin-right: 0.4rem;
}

.smtr-header__badge {
    font-family: var(--smtr-font-mono);
    font-size: 0.7rem;
    color: var(--smtr-text-muted);
    background: var(--smtr-bg-tertiary);
    padding: 3px 8px;
    border-radius: 10px;
    white-space: nowrap;
}

.smtr-header__actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* =============================================================================
   Dismissible Banner
   ============================================================================= */
.smtr-banner {
    background: var(--smtr-bg-secondary);
    border: 1px solid var(--smtr-border);
    border-left: 3px solid var(--smtr-accent);
    border-radius: var(--smtr-radius);
    padding: 0.75rem 1rem;
    margin: 0.75rem 1.5rem 0;
    font-size: 0.82rem;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    color: var(--smtr-text-secondary);
}

.smtr-banner i { color: var(--smtr-accent); margin-top: 2px; flex-shrink: 0; }

.smtr-banner--warning { border-left-color: var(--smtr-orange); }
.smtr-banner--warning i { color: var(--smtr-orange); }

.smtr-banner--danger { border-left-color: var(--smtr-red); }
.smtr-banner--danger i { color: var(--smtr-red); }

.smtr-banner--info { border-left-color: var(--smtr-blue); }
.smtr-banner--info i { color: var(--smtr-blue); }

.smtr-banner--closeable {
    position: relative;
    padding-right: 2.5rem;
}

.smtr-banner--closeable .smtr-banner__close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: none;
    border: none;
    color: var(--smtr-text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    padding: 0.2rem;
    line-height: 1;
    transition: color var(--smtr-transition);
}

.smtr-banner--closeable .smtr-banner__close:hover {
    color: var(--smtr-text-primary);
}

.smtr-banner.hidden {
    display: none;
}

/* =============================================================================
   Layout: sidebar + content
   ============================================================================= */
.smtr-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: calc(100vh - 56px);
}

/* --- Sidebar --- */
.smtr-sidebar {
    width: 240px;
    min-width: 240px;
    background: var(--smtr-bg-secondary);
    border-right: 1px solid var(--smtr-border);
    padding: 0.75rem 0;
    overflow-y: auto;
    position: sticky;
    top: 0;
    height: 100vh;
}

.smtr-sidebar__group {
    margin-bottom: 0.5rem;
}

.smtr-sidebar__group-title {
    font-family: var(--smtr-font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--smtr-text-muted);
    padding: 0.5rem 1rem 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.smtr-sidebar__group-title i {
    font-size: 0.75rem;
    color: var(--smtr-text-muted);
}

.smtr-sidebar__item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.5rem 1rem;
    font-family: var(--smtr-font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--smtr-text-secondary);
    background: none;
    border: none;
    border-left: 3px solid transparent;
    cursor: pointer;
    transition: all var(--smtr-transition);
    text-align: left;
    white-space: nowrap;
}

.smtr-sidebar__item i {
    font-size: 0.85rem;
    width: 18px;
    text-align: center;
    flex-shrink: 0;
}

.smtr-sidebar__item:hover {
    background: var(--smtr-bg-hover);
    color: var(--smtr-text-primary);
}

.smtr-sidebar__item.active {
    border-left-color: var(--smtr-accent);
    background: var(--smtr-accent-dim);
    color: var(--smtr-accent);
}

.smtr-sidebar__item.active i {
    color: var(--smtr-accent);
}

.smtr-sidebar__item-badge {
    margin-left: auto;
    font-size: 0.65rem;
    padding: 1px 6px;
    border-radius: 8px;
    background: var(--smtr-bg-tertiary);
    color: var(--smtr-text-muted);
}

.smtr-sidebar__item.active .smtr-sidebar__item-badge {
    background: var(--smtr-accent-dim);
    color: var(--smtr-accent);
}

.smtr-sidebar__divider {
    height: 1px;
    background: var(--smtr-border);
    margin: 0.5rem 1rem;
}

/* Sidebar toggle (mobile) */
.smtr-sidebar-toggle {
    display: none;
    position: fixed;
    bottom: 1.5rem;
    left: 1.5rem;
    z-index: 1001;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--smtr-accent);
    color: #0a0a0f;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px var(--smtr-accent-glow);
    transition: transform var(--smtr-transition);
}

.smtr-sidebar-toggle:hover {
    transform: scale(1.1);
}

/* Sidebar overlay (mobile) */
.smtr-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.smtr-sidebar-overlay.active {
    display: block;
    opacity: 1;
    pointer-events: auto;
}

/* --- Content --- */
.smtr-content {
    flex: 1;
    padding: 1.5rem;
    max-width: 1200px;
    overflow-x: hidden;
}

/* =============================================================================
   Sections (show/hide)
   ============================================================================= */
.smtr-section {
    display: none;
    animation: smtr-fadeIn 0.3s ease;
}

.smtr-section.active {
    display: block;
}

.smtr-section__title {
    font-family: var(--smtr-font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--smtr-text-primary);
    margin: 0 0 0.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.smtr-section__title i { color: var(--smtr-accent); }

.smtr-section__subtitle {
    font-size: 0.85rem;
    color: var(--smtr-text-muted);
    margin: 0 0 1.5rem;
}

/* =============================================================================
   Module Cards Grid
   ============================================================================= */
.smtr-module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.smtr-module-card {
    background: var(--smtr-bg-secondary);
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius);
    padding: 1.25rem;
    position: relative;
    transition: border-color var(--smtr-transition), box-shadow var(--smtr-transition);
    cursor: pointer;
}

.smtr-module-card:hover {
    border-color: var(--smtr-accent);
    box-shadow: 0 0 20px var(--smtr-accent-dim);
}

.smtr-module-card__icon {
    font-size: 1.5rem;
    color: var(--smtr-accent);
    margin-bottom: 0.75rem;
}

.smtr-module-card__title {
    font-family: var(--smtr-font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--smtr-text-primary);
    margin: 0 0 0.3rem;
}

.smtr-module-card__desc {
    font-size: 0.8rem;
    color: var(--smtr-text-secondary);
    margin: 0;
    line-height: 1.5;
}

.smtr-module-card__status {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    font-family: var(--smtr-font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Module card states */
.smtr-module-card--active {
    border-color: var(--smtr-green);
    border-left-width: 3px;
}

.smtr-module-card--active .smtr-module-card__status {
    background: var(--smtr-green-dim);
    color: var(--smtr-green);
}

.smtr-module-card--pending {
    border-color: var(--smtr-amber);
    border-left-width: 3px;
    opacity: 0.75;
    cursor: default;
}

.smtr-module-card--pending:hover {
    border-color: var(--smtr-amber);
    box-shadow: 0 0 20px var(--smtr-amber-dim);
}

.smtr-module-card--pending .smtr-module-card__status {
    background: var(--smtr-amber-dim);
    color: var(--smtr-amber);
}

.smtr-module-card--pending .smtr-module-card__status::after {
    content: 'w przygotowaniu';
}

.smtr-module-card--pending .smtr-module-card__icon {
    color: var(--smtr-amber);
}

/* =============================================================================
   Connector Visualization Panel (SO-DIMM pin strip)
   ============================================================================= */
.smtr-connector {
    background: var(--smtr-bg-secondary);
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
}

.smtr-connector__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.smtr-connector__title {
    font-family: var(--smtr-font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--smtr-text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.smtr-connector__title i {
    color: var(--smtr-accent);
}

.smtr-connector__info {
    font-family: var(--smtr-font-mono);
    font-size: 0.72rem;
    color: var(--smtr-text-muted);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.smtr-connector__body {
    background: var(--smtr-bg-primary);
    border: 1px solid var(--smtr-border-light);
    border-radius: var(--smtr-radius);
    padding: 1.25rem 1rem;
    position: relative;
}

/* SO-DIMM shell */
.smtr-connector__slot {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
}

.smtr-connector__row {
    display: flex;
    gap: 2px;
    justify-content: center;
    flex-wrap: wrap;
}

.smtr-connector__row-label {
    font-family: var(--smtr-font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--smtr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.3rem;
    width: 100%;
    text-align: center;
}

.smtr-connector__legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--smtr-border-light);
    font-family: var(--smtr-font-mono);
    font-size: 0.7rem;
    color: var(--smtr-text-muted);
}

.smtr-connector__legend-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.smtr-connector__legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    display: inline-block;
}

/* =============================================================================
   Pin Strip Rendering
   ============================================================================= */
.smtr-pin {
    width: 24px;
    height: 28px;
    background: var(--smtr-bg-tertiary);
    border: 1px solid var(--smtr-border);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--smtr-font-mono);
    font-size: 0.55rem;
    font-weight: 600;
    color: var(--smtr-text-muted);
    cursor: pointer;
    transition: all var(--smtr-transition);
    position: relative;
    user-select: none;
}

.smtr-pin:hover {
    border-color: var(--smtr-accent);
    background: var(--smtr-accent-dim);
    color: var(--smtr-text-primary);
    z-index: 2;
    transform: scale(1.15);
}

.smtr-pin--active {
    border-color: var(--smtr-accent);
    background: var(--smtr-accent-dim);
    color: var(--smtr-accent);
    box-shadow: 0 0 8px var(--smtr-accent-glow);
    animation: smtr-pulse-active 2s infinite;
    z-index: 3;
}

/* Pin status colors */
.smtr-pin--ok {
    border-color: var(--smtr-green);
    background: var(--smtr-green-dim);
    color: var(--smtr-green);
}

.smtr-pin--suspect {
    border-color: var(--smtr-amber);
    background: var(--smtr-amber-dim);
    color: var(--smtr-amber);
}

.smtr-pin--short {
    border-color: var(--smtr-red);
    background: var(--smtr-red-dim);
    color: var(--smtr-red);
}

.smtr-pin--open {
    border-color: var(--smtr-purple);
    background: var(--smtr-purple-dim);
    color: var(--smtr-purple);
}

.smtr-pin--untested {
    border-color: var(--smtr-border);
    background: var(--smtr-bg-tertiary);
    color: var(--smtr-text-muted);
    opacity: 0.5;
}

.smtr-pin__tooltip {
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--smtr-bg-elevated);
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius-sm);
    padding: 0.3rem 0.5rem;
    font-family: var(--smtr-font-mono);
    font-size: 0.65rem;
    color: var(--smtr-text-primary);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--smtr-transition);
    z-index: 10;
}

.smtr-pin:hover .smtr-pin__tooltip {
    opacity: 1;
}

/* =============================================================================
   Active Point Callout Panel
   ============================================================================= */
.smtr-callout {
    background: var(--smtr-bg-secondary);
    border: 1px solid var(--smtr-accent);
    border-radius: var(--smtr-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 0 30px var(--smtr-accent-dim);
}

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

.smtr-callout__pin-label {
    font-family: var(--smtr-font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--smtr-accent);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.smtr-callout__pin-name {
    font-family: var(--smtr-font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--smtr-text-secondary);
}

.smtr-callout__expected {
    font-family: var(--smtr-font-mono);
    font-size: 0.78rem;
    color: var(--smtr-text-muted);
    background: var(--smtr-bg-primary);
    border: 1px solid var(--smtr-border-light);
    border-radius: var(--smtr-radius-sm);
    padding: 0.4rem 0.75rem;
}

.smtr-callout__expected strong {
    color: var(--smtr-accent);
}

.smtr-callout__body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

/* =============================================================================
   Big Readout Display
   ============================================================================= */
.smtr-readout {
    background: var(--smtr-bg-primary);
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius);
    padding: 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.smtr-readout__label {
    font-family: var(--smtr-font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--smtr-text-muted);
}

.smtr-readout__value {
    font-family: var(--smtr-font-mono);
    font-size: 3rem;
    font-weight: 700;
    color: var(--smtr-text-primary);
    line-height: 1;
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.smtr-readout__unit {
    font-size: 0.4em;
    font-weight: 500;
    color: var(--smtr-text-muted);
}

.smtr-readout__status {
    font-family: var(--smtr-font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Readout color by status */
.smtr-readout--ok .smtr-readout__value { color: var(--smtr-green); }
.smtr-readout--ok .smtr-readout__status { background: var(--smtr-green-dim); color: var(--smtr-green); }

.smtr-readout--suspect .smtr-readout__value { color: var(--smtr-amber); }
.smtr-readout--suspect .smtr-readout__status { background: var(--smtr-amber-dim); color: var(--smtr-amber); }

.smtr-readout--short .smtr-readout__value { color: var(--smtr-red); }
.smtr-readout--short .smtr-readout__status { background: var(--smtr-red-dim); color: var(--smtr-red); }

.smtr-readout--open .smtr-readout__value { color: var(--smtr-purple); }
.smtr-readout--open .smtr-readout__status { background: var(--smtr-purple-dim); color: var(--smtr-purple); }

.smtr-readout--untested .smtr-readout__value { color: var(--smtr-text-muted); }
.smtr-readout--untested .smtr-readout__status { background: var(--smtr-bg-tertiary); color: var(--smtr-text-muted); }

/* =============================================================================
   Probe Instruction Graphic
   ============================================================================= */
.smtr-probe-guide {
    background: var(--smtr-bg-primary);
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.smtr-probe-guide__title {
    font-family: var(--smtr-font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--smtr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.smtr-probe-guide__graphic {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem;
}

.smtr-probe-guide__probe {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}

.smtr-probe-guide__probe-tip {
    width: 12px;
    height: 40px;
    border-radius: 2px 2px 1px 1px;
    position: relative;
}

.smtr-probe-guide__probe-tip::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    border-radius: 0 0 2px 2px;
}

.smtr-probe-guide__probe--red .smtr-probe-guide__probe-tip {
    background: var(--smtr-red);
    box-shadow: 0 0 8px var(--smtr-red-dim);
}

.smtr-probe-guide__probe--red .smtr-probe-guide__probe-tip::after {
    background: var(--smtr-red);
}

.smtr-probe-guide__probe--black .smtr-probe-guide__probe-tip {
    background: #555;
    box-shadow: 0 0 8px rgba(85, 85, 85, 0.3);
}

.smtr-probe-guide__probe--black .smtr-probe-guide__probe-tip::after {
    background: #555;
}

.smtr-probe-guide__probe-label {
    font-family: var(--smtr-font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
}

.smtr-probe-guide__probe--red .smtr-probe-guide__probe-label {
    color: var(--smtr-red);
}

.smtr-probe-guide__probe--black .smtr-probe-guide__probe-label {
    color: #888;
}

.smtr-probe-guide__arrow {
    font-size: 1.2rem;
    color: var(--smtr-text-muted);
}

.smtr-probe-guide__target {
    font-family: var(--smtr-font-mono);
    font-size: 0.78rem;
    color: var(--smtr-text-secondary);
    text-align: center;
    line-height: 1.5;
}

.smtr-probe-guide__target strong {
    color: var(--smtr-accent);
}

.smtr-probe-guide__instruction {
    font-size: 0.8rem;
    color: var(--smtr-text-secondary);
    text-align: center;
    line-height: 1.5;
    padding: 0.5rem 0.75rem;
    background: var(--smtr-bg-tertiary);
    border-radius: var(--smtr-radius-sm);
    width: 100%;
}

/* =============================================================================
   Measurement Config Panel
   ============================================================================= */
.smtr-config-panel {
    background: var(--smtr-bg-secondary);
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

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

.smtr-config-panel__title {
    font-family: var(--smtr-font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--smtr-text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.smtr-config-panel__title i {
    color: var(--smtr-accent);
}

.smtr-config-panel__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.75rem;
}

.smtr-config-panel__field {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.smtr-config-panel__label {
    font-family: var(--smtr-font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--smtr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.smtr-config-panel__select,
.smtr-config-panel__input {
    font-family: var(--smtr-font-mono);
    font-size: 0.78rem;
    padding: 0.45rem 0.6rem;
    background: var(--smtr-bg-primary);
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius-sm);
    color: var(--smtr-text-primary);
    outline: none;
    transition: border-color var(--smtr-transition);
}

.smtr-config-panel__select:focus,
.smtr-config-panel__input:focus {
    border-color: var(--smtr-accent);
    box-shadow: 0 0 0 2px var(--smtr-accent-dim);
}

.smtr-config-panel__select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666680' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    padding-right: 1.5rem;
}

/* =============================================================================
   Results List
   ============================================================================= */
.smtr-results-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
}

.smtr-result-item {
    background: var(--smtr-bg-secondary);
    border: 1px solid var(--smtr-border);
    border-left: 3px solid var(--smtr-border);
    border-radius: var(--smtr-radius);
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.82rem;
    transition: border-color var(--smtr-transition), background var(--smtr-transition);
}

.smtr-result-item:hover {
    background: var(--smtr-bg-hover);
}

.smtr-result-item__pin {
    font-family: var(--smtr-font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--smtr-text-primary);
    min-width: 40px;
}

.smtr-result-item__name {
    font-family: var(--smtr-font-mono);
    font-size: 0.75rem;
    color: var(--smtr-text-secondary);
    flex: 1;
}

.smtr-result-item__value {
    font-family: var(--smtr-font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--smtr-text-primary);
    min-width: 80px;
    text-align: right;
}

.smtr-result-item__status-badge {
    font-family: var(--smtr-font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Result item status color left border */
.smtr-result-item--ok { border-left-color: var(--smtr-green); }
.smtr-result-item--ok .smtr-result-item__status-badge { background: var(--smtr-green-dim); color: var(--smtr-green); }

.smtr-result-item--suspect { border-left-color: var(--smtr-amber); }
.smtr-result-item--suspect .smtr-result-item__status-badge { background: var(--smtr-amber-dim); color: var(--smtr-amber); }

.smtr-result-item--short { border-left-color: var(--smtr-red); }
.smtr-result-item--short .smtr-result-item__status-badge { background: var(--smtr-red-dim); color: var(--smtr-red); }

.smtr-result-item--open { border-left-color: var(--smtr-purple); }
.smtr-result-item--open .smtr-result-item__status-badge { background: var(--smtr-purple-dim); color: var(--smtr-purple); }

.smtr-result-item--untested { border-left-color: var(--smtr-border); }
.smtr-result-item--untested .smtr-result-item__status-badge { background: var(--smtr-bg-tertiary); color: var(--smtr-text-muted); }

/* =============================================================================
   Comparison Chart Area
   ============================================================================= */
.smtr-chart-area {
    background: var(--smtr-bg-secondary);
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

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

.smtr-chart-area__title {
    font-family: var(--smtr-font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--smtr-text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.smtr-chart-area__title i {
    color: var(--smtr-accent);
}

.smtr-chart-area__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.smtr-chart-area__canvas-wrap {
    background: var(--smtr-bg-primary);
    border: 1px solid var(--smtr-border-light);
    border-radius: var(--smtr-radius-sm);
    padding: 0.75rem;
    min-height: 250px;
}

.smtr-chart-area__canvas-wrap canvas {
    width: 100%;
    display: block;
}

.smtr-chart-area__legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.75rem;
    font-family: var(--smtr-font-mono);
    font-size: 0.7rem;
    color: var(--smtr-text-muted);
}

.smtr-chart-area__legend-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.smtr-chart-area__legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    display: inline-block;
}

/* =============================================================================
   Session Management Bar
   ============================================================================= */
.smtr-session-bar {
    background: var(--smtr-bg-secondary);
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius);
    padding: 0.75rem 1.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.smtr-session-bar__info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--smtr-font-mono);
    font-size: 0.78rem;
    color: var(--smtr-text-secondary);
}

.smtr-session-bar__label {
    font-weight: 600;
    color: var(--smtr-text-primary);
}

.smtr-session-bar__meta {
    color: var(--smtr-text-muted);
    font-size: 0.72rem;
}

.smtr-session-bar__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.smtr-session-bar__btn {
    font-family: var(--smtr-font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius-sm);
    background: var(--smtr-bg-tertiary);
    color: var(--smtr-text-secondary);
    cursor: pointer;
    transition: all var(--smtr-transition);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    white-space: nowrap;
}

.smtr-session-bar__btn:hover {
    border-color: var(--smtr-accent);
    background: var(--smtr-accent-dim);
    color: var(--smtr-accent);
}

.smtr-session-bar__btn--primary {
    background: var(--smtr-accent);
    color: #0a0a0f;
    border-color: var(--smtr-accent);
    font-weight: 600;
}

.smtr-session-bar__btn--primary:hover {
    background: #0d9668;
    border-color: #0d9668;
}

.smtr-session-bar__btn--danger {
    background: var(--smtr-red-dim);
    border-color: var(--smtr-red);
    color: var(--smtr-red);
}

.smtr-session-bar__btn--danger:hover {
    background: rgba(248, 113, 113, 0.25);
}

/* =============================================================================
   BLE Connection Status
   ============================================================================= */
.smtr-ble-status {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--smtr-font-mono);
    font-size: 0.75rem;
    color: var(--smtr-text-muted);
    padding: 0.35rem 0.75rem;
    background: var(--smtr-bg-tertiary);
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius-sm);
}

.smtr-ble-status__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--smtr-red);
    display: inline-block;
    flex-shrink: 0;
}

.smtr-ble-status--connected .smtr-ble-status__dot {
    background: var(--smtr-green);
    animation: smtr-pulse-dot 2s infinite;
}

.smtr-ble-status--connected {
    color: var(--smtr-green);
    border-color: var(--smtr-green);
    background: var(--smtr-green-dim);
}

.smtr-ble-status--connecting .smtr-ble-status__dot {
    background: var(--smtr-amber);
    animation: smtr-pulse-dot 1s infinite;
}

.smtr-ble-status--connecting {
    color: var(--smtr-amber);
    border-color: var(--smtr-amber);
    background: var(--smtr-amber-dim);
}

.smtr-ble-status__label {
    white-space: nowrap;
}

@keyframes smtr-pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* =============================================================================
   Sequential Mode Indicator
   ============================================================================= */
.smtr-seq-mode {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--smtr-font-mono);
    font-size: 0.75rem;
    color: var(--smtr-text-secondary);
    padding: 0.4rem 0.75rem;
    background: var(--smtr-bg-tertiary);
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius-sm);
}

.smtr-seq-mode__indicator {
    display: flex;
    align-items: center;
    gap: 3px;
}

.smtr-seq-mode__step {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--smtr-border);
    transition: background var(--smtr-transition);
}

.smtr-seq-mode__step--done {
    background: var(--smtr-green);
}

.smtr-seq-mode__step--current {
    background: var(--smtr-accent);
    animation: smtr-pulse-dot 1.5s infinite;
}

.smtr-seq-mode__step--pending {
    background: var(--smtr-border);
}

.smtr-seq-mode__label {
    color: var(--smtr-text-muted);
}

.smtr-seq-mode__progress {
    color: var(--smtr-accent);
    font-weight: 600;
}

.smtr-seq-mode.active {
    border-color: var(--smtr-accent);
    background: var(--smtr-accent-dim);
    color: var(--smtr-accent);
}

/* =============================================================================
   Sound / Voice Toggle Buttons
   ============================================================================= */
.smtr-toggle-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.smtr-toggle-btn {
    font-family: var(--smtr-font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    padding: 0.35rem 0.65rem;
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius-sm);
    background: var(--smtr-bg-tertiary);
    color: var(--smtr-text-muted);
    cursor: pointer;
    transition: all var(--smtr-transition);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    white-space: nowrap;
}

.smtr-toggle-btn:hover {
    border-color: var(--smtr-text-muted);
    color: var(--smtr-text-secondary);
}

.smtr-toggle-btn.active {
    border-color: var(--smtr-accent);
    background: var(--smtr-accent-dim);
    color: var(--smtr-accent);
}

.smtr-toggle-btn i {
    font-size: 0.8rem;
}

/* =============================================================================
   Calibration Overlay
   ============================================================================= */
.smtr-calibration-overlay {
    position: fixed;
    inset: 0;
    z-index: 5000;
    background: rgba(10, 10, 15, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    transition: opacity 0.3s ease;
}

.smtr-calibration-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.smtr-calibration-overlay__card {
    background: var(--smtr-bg-secondary);
    border: 1px solid var(--smtr-accent);
    border-radius: 12px;
    padding: 2rem;
    width: 480px;
    max-width: 90vw;
    text-align: center;
    box-shadow: 0 0 60px var(--smtr-accent-dim);
}

.smtr-calibration-overlay__icon {
    font-size: 2.5rem;
    color: var(--smtr-accent);
    margin-bottom: 1rem;
}

.smtr-calibration-overlay__title {
    font-family: var(--smtr-font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--smtr-text-primary);
    margin: 0 0 0.5rem;
}

.smtr-calibration-overlay__text {
    font-size: 0.85rem;
    color: var(--smtr-text-secondary);
    margin: 0 0 1.5rem;
    line-height: 1.6;
}

.smtr-calibration-overlay__image {
    background: var(--smtr-bg-primary);
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.smtr-calibration-overlay__image img {
    max-width: 100%;
    border-radius: var(--smtr-radius-sm);
}

.smtr-calibration-overlay__crosshair {
    position: absolute;
    width: 32px;
    height: 32px;
    border: 2px solid var(--smtr-accent);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 12px var(--smtr-accent-glow);
}

.smtr-calibration-overlay__crosshair::before,
.smtr-calibration-overlay__crosshair::after {
    content: '';
    position: absolute;
    background: var(--smtr-accent);
}

.smtr-calibration-overlay__crosshair::before {
    width: 1px;
    height: 100%;
    left: 50%;
    transform: translateX(-50%);
}

.smtr-calibration-overlay__crosshair::after {
    height: 1px;
    width: 100%;
    top: 50%;
    transform: translateY(-50%);
}

.smtr-calibration-overlay__actions {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

.smtr-calibration-overlay__btn {
    font-family: var(--smtr-font-mono);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 0.55rem 1.25rem;
    border-radius: var(--smtr-radius);
    cursor: pointer;
    transition: all var(--smtr-transition);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.smtr-calibration-overlay__btn--primary {
    background: var(--smtr-accent);
    color: #0a0a0f;
    border: none;
}

.smtr-calibration-overlay__btn--primary:hover {
    background: #0d9668;
    box-shadow: 0 0 20px var(--smtr-accent-glow);
}

.smtr-calibration-overlay__btn--secondary {
    background: var(--smtr-bg-tertiary);
    color: var(--smtr-text-secondary);
    border: 1px solid var(--smtr-border);
}

.smtr-calibration-overlay__btn--secondary:hover {
    border-color: var(--smtr-text-muted);
    color: var(--smtr-text-primary);
}

/* =============================================================================
   Profile Import / Export Buttons
   ============================================================================= */
.smtr-profile-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.smtr-profile-btn {
    font-family: var(--smtr-font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius-sm);
    background: var(--smtr-bg-tertiary);
    color: var(--smtr-text-secondary);
    cursor: pointer;
    transition: all var(--smtr-transition);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    white-space: nowrap;
}

.smtr-profile-btn:hover {
    border-color: var(--smtr-accent);
    background: var(--smtr-accent-dim);
    color: var(--smtr-accent);
}

.smtr-profile-btn i {
    font-size: 0.75rem;
}

.smtr-profile-btn--import {
    border-color: var(--smtr-blue);
    color: var(--smtr-blue);
    background: var(--smtr-blue-dim);
}

.smtr-profile-btn--import:hover {
    background: rgba(96, 165, 250, 0.25);
    box-shadow: 0 0 12px var(--smtr-blue-dim);
}

.smtr-profile-btn--export {
    border-color: var(--smtr-accent);
    color: var(--smtr-accent);
    background: var(--smtr-accent-dim);
}

.smtr-profile-btn--export:hover {
    background: rgba(16, 185, 129, 0.25);
    box-shadow: 0 0 12px var(--smtr-accent-glow);
}

/* Hidden file input for import */
.smtr-profile-btn input[type="file"] {
    display: none;
}

/* =============================================================================
   Status Color Utilities
   ============================================================================= */
.smtr-status-ok { color: var(--smtr-green); }
.smtr-status-suspect { color: var(--smtr-amber); }
.smtr-status-short { color: var(--smtr-red); }
.smtr-status-open { color: var(--smtr-purple); }
.smtr-status-untested { color: var(--smtr-text-muted); }

.smtr-status-bg-ok { background: var(--smtr-green-dim); color: var(--smtr-green); }
.smtr-status-bg-suspect { background: var(--smtr-amber-dim); color: var(--smtr-amber); }
.smtr-status-bg-short { background: var(--smtr-red-dim); color: var(--smtr-red); }
.smtr-status-bg-open { background: var(--smtr-purple-dim); color: var(--smtr-purple); }
.smtr-status-bg-untested { background: var(--smtr-bg-tertiary); color: var(--smtr-text-muted); }

.smtr-status-border-ok { border-color: var(--smtr-green); }
.smtr-status-border-suspect { border-color: var(--smtr-amber); }
.smtr-status-border-short { border-color: var(--smtr-red); }
.smtr-status-border-open { border-color: var(--smtr-purple); }
.smtr-status-border-untested { border-color: var(--smtr-border); }

/* =============================================================================
   Animations
   ============================================================================= */
@keyframes smtr-pulse-active {
    0%, 100% {
        box-shadow: 0 0 8px var(--smtr-accent-glow);
    }
    50% {
        box-shadow: 0 0 18px var(--smtr-accent-glow), 0 0 30px rgba(16, 185, 129, 0.15);
    }
}

@keyframes smtr-fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =============================================================================
   Scoped Buttons
   ============================================================================= */
.service-meter-wrapper .btn {
    font-family: var(--smtr-font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.45rem 0.9rem;
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius-sm);
    background: var(--smtr-bg-tertiary);
    color: var(--smtr-text-primary);
    cursor: pointer;
    transition: all var(--smtr-transition);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    white-space: nowrap;
}

.service-meter-wrapper .btn:hover {
    border-color: var(--smtr-accent);
    background: var(--smtr-accent-dim);
}

.service-meter-wrapper .btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.service-meter-wrapper .btn--primary {
    background: var(--smtr-accent);
    color: #0a0a0f;
    border-color: var(--smtr-accent);
    font-weight: 600;
}

.service-meter-wrapper .btn--primary:hover {
    background: #0d9668;
    border-color: #0d9668;
}

.service-meter-wrapper .btn--danger {
    background: var(--smtr-red-dim);
    border-color: var(--smtr-red);
    color: var(--smtr-red);
}

.service-meter-wrapper .btn--sm {
    font-size: 0.72rem;
    padding: 0.3rem 0.6rem;
}

.service-meter-wrapper .btn--lg {
    font-size: 0.85rem;
    padding: 0.55rem 1.2rem;
}

.service-meter-wrapper .badge {
    font-family: var(--smtr-font-mono);
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 3px;
    background: var(--smtr-accent-dim);
    color: var(--smtr-accent);
}

/* =============================================================================
   Scoped Panel Component
   ============================================================================= */
.service-meter-wrapper .panel {
    background: var(--smtr-bg-secondary);
    border: 1px solid var(--smtr-border);
    border-radius: var(--smtr-radius);
    margin-bottom: 1.25rem;
    overflow: hidden;
}

.service-meter-wrapper .panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--smtr-border-light);
    background: var(--smtr-bg-elevated);
}

.service-meter-wrapper .panel__header h3 {
    font-family: var(--smtr-font-mono);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--smtr-text-primary);
    margin: 0;
}

.service-meter-wrapper .panel__header h3 i {
    color: var(--smtr-accent);
    margin-right: 0.3rem;
}

.service-meter-wrapper .panel__body {
    padding: 0.75rem 1rem;
    font-size: 0.82rem;
    color: var(--smtr-text-secondary);
    line-height: 1.6;
}

/* =============================================================================
   Responsive — 768px
   ============================================================================= */
@media (max-width: 768px) {
    .smtr-layout {
        grid-template-columns: 1fr;
    }

    .smtr-sidebar {
        position: fixed;
        left: -260px;
        top: 0;
        z-index: 1000;
        height: 100vh;
        width: 240px;
        transition: left 0.3s ease;
        box-shadow: none;
    }

    .smtr-sidebar.open {
        left: 0;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5);
    }

    .smtr-sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .smtr-content {
        padding: 1rem;
    }

    .smtr-header {
        flex-wrap: wrap;
        padding: 0.6rem 1rem;
    }

    .smtr-callout__body {
        grid-template-columns: 1fr;
    }

    .smtr-module-grid {
        grid-template-columns: 1fr;
    }

    .smtr-config-panel__grid {
        grid-template-columns: 1fr;
    }

    .smtr-session-bar {
        flex-direction: column;
        align-items: flex-start;
    }

    .smtr-session-bar__actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .smtr-connector__row {
        gap: 1px;
    }

    .smtr-pin {
        width: 20px;
        height: 24px;
        font-size: 0.5rem;
    }

    .smtr-readout__value {
        font-size: 2.2rem;
    }

    .smtr-probe-guide__graphic {
        flex-direction: column;
        gap: 0.75rem;
    }

    .smtr-chart-area__canvas-wrap {
        min-height: 180px;
    }
}

/* =============================================================================
   Responsive — 480px
   ============================================================================= */
@media (max-width: 480px) {
    .smtr-header__title {
        font-size: 0.9rem;
    }

    .smtr-header__badge {
        display: none;
    }

    .smtr-section__title {
        font-size: 1rem;
    }

    .smtr-module-card {
        padding: 1rem;
    }

    .smtr-module-card__title {
        font-size: 0.82rem;
    }

    .smtr-readout__value {
        font-size: 1.8rem;
    }

    .smtr-readout {
        padding: 1rem;
    }

    .smtr-callout {
        padding: 1rem;
    }

    .smtr-pin {
        width: 18px;
        height: 22px;
        font-size: 0.45rem;
    }

    .smtr-result-item {
        flex-wrap: wrap;
        gap: 0.4rem;
    }

    .smtr-result-item__value {
        min-width: auto;
        text-align: left;
    }

    .smtr-toggle-group {
        flex-wrap: wrap;
    }

    .smtr-ble-status {
        font-size: 0.68rem;
    }

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

    .smtr-calibration-overlay__card {
        padding: 1.5rem 1rem;
    }
}