/* ============================================================
   Epura Tools — Propulsa Industrial Theme
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Catamaran:wght@400;500;600;700;800&family=Space+Mono:wght@400;700&display=swap');

/* --- Variables --- */
:root {
    --bg-deep:      #1a1a1a;
    --bg-base:      #212121;
    --bg-surface:   #2a2a2a;
    --bg-elevated:  #333333;
    --border:       #414042;
    --border-light: #555555;

    --primary:      #00ab52;
    --primary-dim:  #007a3a;
    --primary-glow: rgba(0, 171, 82, 0.15);

    --accent:       #90c965;
    --accent-dim:   #6fa84a;
    --accent-glow:  rgba(144, 201, 101, 0.15);

    --text:         #e8e8e8;
    --text-dim:     #939598;
    --text-muted:   #636366;

    --success:      #00ab52;
    --warning:      #ffab00;
    --error:        #ff1744;
    --info:         #90c965;
    --muted:        #939598;

    --font-ui:      'Catamaran', sans-serif;
    --font-mono:    'Space Mono', monospace;

    --radius:       8px;
    --radius-lg:    12px;
    --transition:   0.2s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-ui);
    background: var(--bg-deep);
    color: var(--text);
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Subtle grid background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        linear-gradient(rgba(0, 171, 82, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 171, 82, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

/* --- Typography --- */
h1, h2, h3 {
    font-family: var(--font-ui);
    font-weight: 700;
    letter-spacing: 0.02em;
}

/* --- Utility --- */
.hidden { display: none !important; }

.mono {
    font-family: var(--font-mono);
}

/* ============================================================
   SCREEN: Connection
   ============================================================ */

.screen {
    position: relative;
    z-index: 1;
    min-height: 100dvh;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
}

#screen-connect {
    align-items: center;
    justify-content: center;
    gap: 32px;
    text-align: center;
}

/* --- Logo / Brand --- */
.brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.brand-icon {
    width: 64px;
    height: 64px;
    border: 2px solid var(--primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-glow);
    margin-bottom: 8px;
}

.brand-icon svg {
    width: 36px;
    height: 36px;
    stroke: var(--primary);
    fill: none;
    stroke-width: 1.5;
}

.brand h1 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.brand-sub {
    font-size: 0.8rem;
    color: var(--text-dim);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-weight: 500;
}

/* --- Build info stamp (écran connexion + dash-header) --- */
.build-info {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
    margin-top: 2px;
}

/* --- Transport Selector --- */
.transport-select {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    max-width: 320px;
    justify-content: center;
}

.transport-select label {
    font-size: 0.85rem;
    color: var(--text-dim);
    font-weight: 500;
    white-space: nowrap;
}

.transport-select select {
    background: var(--bg-elevated);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
}

.transport-select select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-glow);
}

.transport-select select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.transport-select select option:disabled {
    color: var(--text-muted);
}

/* --- Scan Section --- */
.scan-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    width: 100%;
    max-width: 320px;
}

/* --- Auth Section --- */
.auth-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    width: 100%;
    max-width: 320px;
    animation: slideUp 0.3s ease;
}

.device-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent);
}

.device-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary);
}

.pin-row {
    display: flex;
    gap: 12px;
    width: 100%;
}

/* --- Status Bar --- */
.status-bar {
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-dim);
}

.status-bar.error {
    color: var(--error);
}

.status-bar.success {
    color: var(--success);
}

/* Not supported banner */
.not-supported {
    background: rgba(255, 23, 68, 0.1);
    border: 1px solid rgba(255, 23, 68, 0.3);
    border-radius: var(--radius);
    padding: 16px 20px;
    text-align: center;
    max-width: 320px;
}

.not-supported h3 {
    color: var(--error);
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.not-supported p {
    font-size: 0.8rem;
    color: var(--text-dim);
    line-height: 1.5;
}

/* ============================================================
   SCREEN: Dashboard
   ============================================================ */

#screen-dashboard {
    gap: 0;
    padding-top: 0;
}

/* --- Header --- */
.dash-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    background: var(--bg-deep);
    border-bottom: 1px solid var(--border);
    margin-bottom: 0;
}

.dash-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(0, 171, 82, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 171, 82, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.header-left .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    flex-shrink: 0;
}

.header-left .device-name {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 700;
}

.btn-disconnect {
    position: relative;
    z-index: 1;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-family: var(--font-ui);
    font-size: 0.75rem;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-disconnect:hover,
.btn-disconnect:active {
    border-color: var(--error);
    color: var(--error);
}

/* --- Node Sections --- */
.nodes-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

.node-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: opacity 0.3s ease;
    animation: fadeIn 0.4s ease;
}

.node-card.offline {
    opacity: 0.4;
}

.node-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated);
}

.node-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.node-title .node-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
    transition: background 0.3s, box-shadow 0.3s;
}

.state-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border: 1px solid transparent;
}

.state-ok       { color: var(--success); background: rgba(0,171,82,0.12);    border-color: rgba(0,171,82,0.3); }
.state-warning  { color: var(--warning); background: rgba(255,171,0,0.1);    border-color: rgba(255,171,0,0.25); }
.state-error    { color: var(--error);   background: rgba(255,23,68,0.1);    border-color: rgba(255,23,68,0.25); }
.state-info     { color: var(--info);    background: rgba(144,201,101,0.12); border-color: rgba(144,201,101,0.3); }
.state-muted    { color: var(--muted);   background: rgba(147,149,152,0.1);  border-color: rgba(147,149,152,0.25); }
.state-offline  { color: var(--text-muted); background: rgba(99,99,102,0.1); border-color: var(--border); }

/* --- Data Grid --- */
.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1px;
    background: var(--border);
}

.data-cell {
    background: var(--bg-surface);
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.data-label {
    font-size: 0.65rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.data-value {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    transition: color 0.3s;
}

.data-value.highlight {
    animation: dataFlash 0.6s ease;
}

.data-value .unit {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-dim);
    margin-left: 2px;
}

/* --- Controls --- */
/* ============================================================
   DASHBOARD — Maintenance Action (P88 LOTO button)
   ============================================================ */

.dashboard-maintenance-action {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 0 4px;
}

.dashboard-maintenance-action .btn-action {
    flex: 1;
    flex-direction: row;
    justify-content: center;
    padding: 12px 16px;
    font-size: 0.85rem;
}

@media (max-width: 480px) {
    .dashboard-maintenance-action .btn-action {
        font-size: 0.78rem;
        padding: 10px 12px;
    }
}

.controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 0;
    margin-top: 4px;
}

.auto-refresh-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-dim);
    cursor: pointer;
    user-select: none;
}

.auto-refresh-toggle input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 40px;
    height: 22px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 11px;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}

.auto-refresh-toggle input[type="checkbox"]::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--text-dim);
    transition: var(--transition);
}

.auto-refresh-toggle input[type="checkbox"]:checked {
    background: var(--primary-dim);
    border-color: var(--primary);
}

.auto-refresh-toggle input[type="checkbox"]:checked::after {
    left: 20px;
    background: var(--primary);
}

.last-refresh {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-align: center;
    padding-bottom: 20px;
}

/* ============================================================
   SHARED COMPONENTS
   ============================================================ */

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 14px 28px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    min-height: 48px;
}

.btn:active {
    transform: scale(0.97);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 0 20px rgba(0, 171, 82, 0.25);
}

.btn-primary:hover:not(:disabled) {
    box-shadow: 0 0 30px rgba(0, 171, 82, 0.4);
}

.btn-primary:active:not(:disabled) {
    background: #009648;
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--primary-dim);
}

.btn-outline:hover:not(:disabled) {
    background: var(--primary-glow);
    border-color: var(--primary);
}

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.8rem;
    min-height: 40px;
}

/* Scan button pulse */
.btn-scan {
    position: relative;
}

.btn-scan::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: calc(var(--radius) + 4px);
    border: 2px solid var(--primary);
    opacity: 0;
    animation: scanPulse 2s ease-in-out infinite;
}

.btn-scan:disabled::before {
    animation: none;
    opacity: 0;
}

/* --- Inputs --- */
.input {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    text-align: center;
    letter-spacing: 0.15em;
    padding: 12px 16px;
    background: var(--bg-elevated);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: var(--transition);
    min-height: 48px;
    width: 100%;
}

.input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

/* --- Spinner --- */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--text-muted);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 12px;
    height: 12px;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

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

@keyframes scanPulse {
    0%, 100% { opacity: 0; transform: scale(1); }
    50%      { opacity: 0.5; transform: scale(1.04); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes dataFlash {
    0%   { color: var(--accent); }
    100% { color: var(--text); }
}

/* ============================================================
   TAB BAR & PANELS
   ============================================================ */

.tab-bar {
    display: flex;
    gap: 2px;
    padding: 12px 0 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.tab-bar::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    flex: 0 0 auto;
    padding: 10px 16px;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}

.tab-btn:hover {
    color: var(--text);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-panels {
    flex: 1;
    padding-top: 16px;
}

.tab-panel {
    animation: fadeIn 0.25s ease;
}

.tab-panel.hidden {
    display: none;
}

/* ============================================================
   CONFIG GROUPS & ITEMS
   ============================================================ */

.config-toolbar {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.config-group {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 16px;
}

.config-group-title {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    padding: 12px 16px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
}

.config-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    gap: 12px;
}

.config-item:last-child {
    border-bottom: none;
}

.config-item label {
    font-size: 0.85rem;
    color: var(--text);
    font-weight: 500;
    flex: 1;
    min-width: 0;
}

.config-item input[type="number"],
.config-item select {
    width: 100px;
    padding: 8px 10px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 700;
    text-align: center;
    background: var(--bg-elevated);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    outline: none;
    transition: var(--transition);
    -moz-appearance: textfield;
}

.config-item input[type="number"]::-webkit-inner-spin-button,
.config-item input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.config-item select {
    width: 130px;
    text-align: left;
    cursor: pointer;
}

.config-item input[type="number"]:focus,
.config-item select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-glow);
}

.config-item input[type="number"]::placeholder {
    color: var(--text-muted);
}

/* Changed state — yellow border */
.config-item input.changed,
.config-item select.changed {
    border-color: var(--warning);
    box-shadow: 0 0 0 2px rgba(255, 171, 0, 0.15);
}

/* Error state — red border */
.config-item input.error,
.config-item select.error {
    border-color: var(--error);
    box-shadow: 0 0 0 2px rgba(255, 23, 68, 0.15);
}

/* Flash visuel sur écriture WR réussie */
@keyframes flashSuccess {
    0%   { border-color: var(--success); box-shadow: 0 0 0 2px rgba(0, 171, 82, 0.4); }
    100% { border-color: transparent;    box-shadow: none; }
}
.config-item input.flash-success,
.config-item select.flash-success {
    animation: flashSuccess 0.6s ease forwards;
}

/* Flash visuel sur lecture réussie (pattern miroir du flash vert WR) */
@keyframes flashRead {
    0%   { border-color: rgba(0, 150, 255, 1);
           box-shadow: 0 0 0 2px rgba(0, 150, 255, 0.35); }
    100% { border-color: transparent;
           box-shadow: none; }
}
.config-item input.flash-read,
.config-item select.flash-read {
    animation: flashRead 0.6s ease forwards;
}

/* Loading state */
.config-item input.loading,
.config-item select.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* --- Custom checkbox (toggle) --- */
.config-item input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 44px;
    height: 24px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.config-item input[type="checkbox"]::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--text-dim);
    transition: var(--transition);
}

.config-item input[type="checkbox"]:checked {
    background: var(--primary-dim);
    border-color: var(--primary);
}

.config-item input[type="checkbox"]:checked::after {
    left: 22px;
    background: var(--primary);
}

.config-item input[type="checkbox"].changed {
    border-color: var(--warning);
}

/* ============================================================
   SECURITY TAB — Config hints, LOTO group, banner, modal
   ============================================================ */

/* Config hint text under controls */
.config-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
    padding: 0 16px 10px;
}

/* Config item with column layout (row + hint underneath) */
.config-item-col {
    flex-direction: column;
    align-items: stretch;
}

/* ========================================================
   Densification config items — hint en tooltip hover >=768px
   ======================================================== */
@media (min-width: 768px) {
    .config-item-col {
        position: relative;
    }
    .config-item-col .config-hint {
        display: none;
        position: absolute;
        top: 100%;
        left: 16px;
        right: 16px;
        margin-top: 2px;
        padding: 6px 10px;
        background: var(--bg-elevated, #1a1a1a);
        border: 1px solid var(--border, rgba(255, 255, 255, 0.1));
        border-radius: 4px;
        z-index: 10;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
        max-width: 400px;
    }
    .config-item-col:hover .config-hint,
    .config-item-col:focus-within .config-hint {
        display: block;
    }
}

.config-item-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.config-item-row label {
    font-size: 0.85rem;
    color: var(--text);
    font-weight: 500;
    flex: 1;
    min-width: 0;
}

/* LOTO danger group */
.config-group-danger {
    border-color: rgba(255, 23, 68, 0.3);
}

.config-group-danger .config-group-title {
    color: var(--error);
    background: rgba(255, 23, 68, 0.08);
    border-bottom-color: rgba(255, 23, 68, 0.2);
}

/* LOTO active banner */
.loto-banner {
    background: rgba(255, 23, 68, 0.12);
    color: var(--error);
    font-weight: 700;
    font-size: 0.85rem;
    text-align: center;
    padding: 12px 16px;
    line-height: 1.5;
    border-bottom: 1px solid rgba(255, 23, 68, 0.2);
    animation: lotoPulse 2s ease-in-out infinite;
}

@keyframes lotoPulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.7; }
}

/* LOTO confirmation modal */
.loto-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

.loto-modal-overlay.hidden {
    display: none;
}

.loto-modal-card {
    background: var(--bg-base);
    border: 1px solid rgba(255, 23, 68, 0.4);
    border-radius: var(--radius-lg);
    padding: 24px;
    max-width: 400px;
    width: 100%;
    text-align: center;
    animation: slideUp 0.3s ease;
}

.loto-modal-icon {
    margin-bottom: 16px;
}

.loto-modal-icon svg {
    stroke: var(--error);
}

.loto-modal-text {
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.6;
    margin-bottom: 24px;
    white-space: pre-line;
}

.loto-modal-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.loto-modal-btn-confirm {
    background: var(--error);
    color: #fff;
    border: none;
    box-shadow: 0 0 20px rgba(255, 23, 68, 0.25);
}

.loto-modal-btn-confirm:hover:not(:disabled) {
    box-shadow: 0 0 30px rgba(255, 23, 68, 0.4);
}

/* ============================================================
   SESSION HUB MODAL
   ============================================================ */

.session-hub-card {
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 420px;
    animation: slideUp 0.3s ease;
    overflow: hidden;
}

.session-hub-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.session-hub-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.02em;
}

.session-hub-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    min-width: 32px;
    min-height: 32px;
}

.session-hub-close:hover {
    color: var(--text);
    background: var(--bg-elevated);
}

/* Liste d'actions */
.session-hub-actions {
    padding: 8px 0;
}

.session-hub-action {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    background: none;
    border: none;
    padding: 14px 20px;
    cursor: pointer;
    text-align: left;
    transition: background var(--transition);
    border-bottom: 1px solid var(--border);
}

.session-hub-action:last-child {
    border-bottom: none;
}

.session-hub-action:hover {
    background: var(--bg-elevated);
}

.session-hub-action:active {
    background: var(--bg-surface);
}

.session-hub-action-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--bg-surface);
    color: var(--text-dim);
    transition: var(--transition);
}

.session-hub-action:hover .session-hub-action-icon {
    color: var(--primary);
    background: var(--primary-glow);
}

.session-hub-action-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.session-hub-action-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.session-hub-action-sub {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Action destructive — Hard reset */
.session-hub-action--danger .session-hub-action-icon {
    color: var(--error);
    background: rgba(255, 23, 68, 0.1);
}

.session-hub-action--danger .session-hub-action-label {
    color: var(--error);
}

.session-hub-action--danger:hover {
    background: rgba(255, 23, 68, 0.06);
}

.session-hub-action--danger:hover .session-hub-action-icon {
    background: rgba(255, 23, 68, 0.18);
}

/* Zone de confirmation 2e niveau */
.session-hub-confirm {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.session-hub-confirm.hidden {
    display: none;
}

.session-hub-confirm-msg {
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.6;
    text-align: center;
}

.session-hub-confirm-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.session-hub-confirm-btn {
    background: var(--primary);
    color: #fff;
    border: none;
    box-shadow: 0 0 16px rgba(0, 171, 82, 0.2);
}

.session-hub-confirm-btn:hover:not(:disabled) {
    box-shadow: 0 0 24px rgba(0, 171, 82, 0.35);
}

.session-hub-confirm-btn--danger {
    background: var(--error);
    box-shadow: 0 0 16px rgba(255, 23, 68, 0.2);
}

.session-hub-confirm-btn--danger:hover:not(:disabled) {
    box-shadow: 0 0 24px rgba(255, 23, 68, 0.4);
}

/* Mobile-first : Android Chrome */
@media (max-width: 480px) {
    .session-hub-card {
        max-width: 100%;
        margin: 0 8px;
    }
    .session-hub-action {
        padding: 16px;
    }
    .session-hub-action-icon {
        width: 40px;
        height: 40px;
    }
    .session-hub-action-label {
        font-size: 0.95rem;
    }
    .session-hub-action-sub {
        font-size: 0.8rem;
        white-space: normal;
    }
    .session-hub-confirm-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .session-hub-confirm-actions .btn {
        min-height: 44px;
        font-size: 0.95rem;
    }
}


/* ============================================================
   ACTION GRID & BUTTONS
   ============================================================ */

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
    padding: 16px;
}

.btn-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 12px;
    background: var(--bg-elevated);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-ui);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: all var(--transition);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.btn-action:hover {
    border-color: var(--primary);
    background: var(--primary-glow);
}

.btn-action:active {
    transform: scale(0.96);
}

.btn-action:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.btn-action svg {
    opacity: 0.7;
}

.btn-action-primary {
    border-color: var(--primary-dim);
    color: var(--accent);
}

.btn-action-primary svg {
    stroke: var(--primary);
    opacity: 1;
}

.btn-action-warning {
    border-color: rgba(255, 171, 0, 0.3);
    color: var(--warning);
}

.btn-action-warning svg {
    stroke: var(--warning);
    opacity: 1;
}

.btn-action-warning:hover {
    border-color: var(--warning);
    background: rgba(255, 171, 0, 0.1);
}

/* ============================================================
   OTA UPDATE
   ============================================================ */

.ota-section {
    margin-bottom: 16px;
}

.ota-file-input {
    width: 100%;
    padding: 12px;
    background: var(--bg-card);
    border: 1px dashed var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: inherit;
    margin-top: 6px;
    cursor: pointer;
}

.ota-file-input:hover {
    border-color: var(--primary);
}

.ota-file-info {
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--text-dim);
    font-family: var(--font-mono);
}

.ota-progress {
    margin: 20px 0;
}

.progress-bar {
    height: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 12px;
}

.progress-text {
    text-align: center;
    margin-top: 8px;
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.ota-status {
    text-align: center;
    padding: 8px;
    font-weight: 600;
    min-height: 1.5em;
}

.ota-status.success {
    color: var(--primary);
}

.ota-status.error {
    color: var(--error);
}

.ota-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.ota-btn {
    flex: 1;
}

.btn-action-danger {
    border-color: rgba(255, 23, 68, 0.3);
    color: var(--error);
}

.btn-action-danger svg {
    stroke: var(--error);
    opacity: 1;
}

.btn-action-danger:hover {
    border-color: var(--error);
    background: rgba(255, 23, 68, 0.1);
}

.ota-info-text {
    color: var(--text-dim);
    font-size: 0.85rem;
    line-height: 1.5;
}

/* ============================================================
   CONSOLE DEBUG CLI
   ============================================================ */

.console-container {
    margin-top: 4px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 20px;
}

.console-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    background: var(--bg-elevated);
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.console-header h3 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
}

.console-toggle-btn {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 0.75rem;
    cursor: pointer;
    padding: 4px 8px;
    transition: var(--transition);
}

.console-toggle-btn:hover {
    color: var(--accent);
}

.console-body {
    padding: 12px;
}

.console-body.hidden {
    display: none;
}

.console-log {
    height: 160px;
    overflow-y: auto;
    background: #111111;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.5;
    margin-bottom: 10px;
}

.console-line {
    margin: 1px 0;
    word-break: break-all;
}

.console-cmd      { color: var(--accent); }
.console-response { color: var(--primary); }
.console-error    { color: var(--error); }
.console-info     { color: var(--text-dim); }

.console-input-row {
    display: flex;
    gap: 8px;
}

.console-input-row input {
    flex: 1;
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: #111111;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    outline: none;
    transition: var(--transition);
    min-height: 44px;
}

.console-input-row input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-glow);
}

.console-input-row input::placeholder {
    color: var(--text-muted);
}

/* ============================================================
   GAUGE GRID (Dashboard refonte)
   ============================================================ */

.gauge-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 16px 0;
}

.gauge-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 12px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.gauge-card:active {
    background: var(--bg-elevated);
    border-color: var(--primary-dim);
}

.gauge-card.offline {
    opacity: 0.4;
    pointer-events: none;
}

/* ── Jauge 150° alignée Nextion HMI ── */
/* Arc : -75° (10h30) → +75° (1h30) via 0° (12h, sommet)         */
/* Nextion 15-165° = SVG -75 à +75° (centré sur 0=sommet)         */

.gauge-tach-svg {
    width: 100%;
    /* viewBox 140×130 — arc 150° occupe ~la moitié supérieure     */
    max-width: 150px;
    display: block;
    margin: 0 auto 4px;
    overflow: visible;
}

/* Arc de fond gris (150° complet, de -75° à +75°) */
.gauge-tach-bg {
    fill: none;
    stroke: var(--bg-elevated);
    stroke-width: 12;
    stroke-linecap: round;
}

/* Arcs de zone colorée — bornes angulaires FIXES (bitmaps Nextion)
   couleur appliquée via attribut stroke en JS */
.gauge-zone-arc {
    fill: none;
    stroke-width: 12;
    stroke-linecap: round;
    opacity: 0.90;
}

/* Aiguille — transition CSS pour animation fluide
   transform-origin : centre du SVG (cx=70, cy=80 en unités SVG)
   L'aiguille est dessinée verticale vers le haut au repos :
   rotate(0deg)  = 12h  = milieu de l'arc
   rotate(-75deg) = 10h30 = valeur min (offline)
   rotate(+75deg) = 1h30  = valeur max */
.gauge-needle {
    stroke-width: 2.5;
    stroke-linecap: round;
    transition: transform 0.5s ease-out, stroke 0.3s ease;
    transform-origin: 70px 80px; /* centre SVG = TACH_CX, TACH_CY */
}

/* Pivot central */
.gauge-pivot {
    fill: var(--text-dim);
    stroke: none;
}

/* Valeur numérique sous le pivot */
.gauge-value-text {
    fill: var(--text);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 700;
    text-anchor: middle;
}

/* Unité sous la valeur */
.gauge-unit-text {
    fill: var(--text-muted);
    font-family: var(--font-ui);
    font-size: 8px;
    font-weight: 500;
    text-anchor: middle;
}

/* ── Particules : layout icône+valeur+label (pas de jauge SVG) ── */

.particles-card-binary {
    justify-content: center;
    gap: 4px;
}

.particles-icon {
    width: 40px;
    height: 40px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.particles-icon svg {
    width: 100%;
    height: 100%;
}

.particles-value-wrap {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.particles-value {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
}

.particles-unit {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

.particles-label {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.particles-label.ok {
    color: var(--success);
}

.particles-label.haut {
    color: var(--warning);
}

/* Gauge label & state */
.gauge-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    text-align: center;
}

.gauge-state {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* ============================================================
   MESSAGE BAR
   ============================================================ */

.message-bar {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 16px;
    margin: 4px 0 8px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    text-align: center;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.3s, color 0.3s;
}

.message-bar.msg-warning {
    border-color: rgba(255, 171, 0, 0.4);
    color: var(--warning);
}

.message-bar.msg-error {
    border-color: rgba(255, 23, 68, 0.4);
    color: var(--error);
}

.message-bar.msg-ok {
    border-color: rgba(0, 171, 82, 0.3);
    color: var(--success);
}

.message-bar.msg-info {
    border-color: var(--border);
    color: var(--text-dim);
}

/* ============================================================
   NODE DETAIL MODAL
   ============================================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.modal-overlay.hidden {
    display: none;
}

.modal-sheet {
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    max-height: 85vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated);
    position: sticky;
    top: 0;
    z-index: 1;
}

.modal-title {
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-title .node-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.modal-close {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    width: 32px;
    height: 32px;
    border-radius: 6px;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover,
.modal-close:active {
    border-color: var(--error);
    color: var(--error);
}

.modal-body {
    padding: 16px 20px 24px;
}

.modal-data-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 16px;
}

.modal-data-cell {
    background: var(--bg-surface);
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.modal-data-cell.full-width {
    grid-column: 1 / -1;
}

.modal-data-label {
    font-size: 0.65rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.modal-data-value {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
}

.modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

/* ============================================================
   DOCUMENTATION TAB — panel pleine largeur/hauteur
   ============================================================ */

#tab-docs {
    display: flex;
    flex-direction: column;
}

/* Onglets docs internes — on les serre dans le panel */
#tab-docs .docs-tabs {
    padding: 8px 16px 8px;
    flex-shrink: 0;
}

/* Conteneur doc : prend tout l'espace restant sous les docs-tabs */
#tab-docs .doc-container {
    flex: 1;
    width: 100%;
}

/* Neutraliser l'effet "feuille flottante" :
   .tab-panels est contraint à max-width:600px centré au breakpoint ≥768px.
   Le panel docs doit s'afficher sans wrapper visible sur le fond PWA. */
#tab-docs.tab-panel {
    background: transparent;
    border-radius: 0;
    border: none;
    box-shadow: none;
    padding: 0;
}


/* ============================================================
   DOCUMENTATION TAB — styles originaux (boutons profil)
   ============================================================ */

.docs-tabs {
    display: flex;
    gap: 4px;
    padding: 0 0 12px 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.docs-tabs::-webkit-scrollbar {
    display: none;
}

.docs-tab-btn {
    flex: 0 0 auto;
    padding: 8px 16px;
    font-family: var(--font-ui);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}

.docs-tab-btn:hover {
    color: var(--text);
    border-color: var(--border-light);
}

.docs-tab-btn.active {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-glow);
}

/* ============================================================
   SEUILS NODE SUB-TABS — alias .docs-tabs (pas de duplication)
   ============================================================ */

.filtres-tabs {
    display: flex;
    gap: 4px;
    padding: 0 0 12px 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.filtres-tabs::-webkit-scrollbar {
    display: none;
}

.filtres-tab-btn {
    flex: 0 0 auto;
    padding: 8px 16px;
    font-family: var(--font-ui);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}

.filtres-tab-btn:hover:not(:disabled) {
    color: var(--text);
    border-color: var(--border-light);
}

.filtres-tab-btn.active {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-glow);
}

.filtres-tab-btn:disabled,
.filtres-tab-btn.disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.filtres-node-panel.hidden {
    display: none;
}

.btn-force-clean {
    display: block;
    width: 100%;
    margin-top: 16px;
    padding: 14px 16px;
    background: var(--bg-elevated);
    color: var(--error);
    border: 1px solid rgba(255, 23, 68, 0.3);
    border-radius: var(--radius);
    font-family: var(--font-ui);
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all var(--transition);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.btn-force-clean:hover {
    border-color: var(--error);
    background: rgba(255, 23, 68, 0.1);
}

.btn-force-clean:active {
    transform: scale(0.97);
}

.docs-iframe {
    width: 100%;
    height: calc(100vh - 140px);
    border: none;
    border-radius: var(--radius);
    background: #fff;
    display: block;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (min-width: 480px) {
    .data-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) {
    .screen {
        padding: 24px 40px;
    }

    .nodes-container {
        max-width: 600px;
        margin: 0 auto;
    }

    .tab-panels {
        max-width: 600px;
        margin: 0 auto;
        width: 100%;
    }

    .tab-panels.doc-active {
        max-width: none;
    }

    .brand h1 {
        font-size: 2.2rem;
    }

    .tab-btn {
        padding: 10px 24px;
        font-size: 0.8rem;
    }

    .gauge-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: 600px;
        margin: 0 auto;
    }

    .gauge-tach-svg {
        max-width: 160px;
    }

    .modal-overlay {
        align-items: center;
    }

    .modal-sheet {
        border-radius: var(--radius-lg);
        max-height: 80vh;
    }

    .action-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Mobile-first 600px >=768px (FZ-G1 portrait),
   Desktop elargi 1200px >=1024px (laptop/desktop) */
@media (min-width: 1024px) {
    .tab-panels {
        max-width: 1200px;
    }
    .tab-panels.doc-active {
        max-width: none;
    }
    .gauge-grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1200px;
    }
}

/* ==================== PROFILE BADGE ==================== */

.profile-badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text-dim);
    margin-left: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.profile-badge.profile-dev {
    border-color: var(--primary);
    color: var(--primary);
}

.profile-badge.profile-tech {
    border-color: #2196f3;
    color: #2196f3;
}

.profile-badge.profile-installateur {
    border-color: var(--border);
    color: var(--text-dim);
}

/* ==================== EXPLORE MODE ==================== */

.explore-section {
    margin-top: 16px;
    padding: 0 16px;
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.7);
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-outline:hover {
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
}

.btn-connect-dash {
    background: transparent;
    border: 1px solid var(--accent, #4a9eff);
    color: var(--accent, #4a9eff);
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-connect-dash:hover {
    background: var(--accent, #4a9eff);
    color: #fff;
}

/* ==================== SESSION RESET BUTTON ==================== */

.btn-session-reset {
    position: relative;
    z-index: 1;
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 6px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 4px;
    min-width: 32px;
    min-height: 32px;
}

.btn-session-reset:hover {
    color: var(--warning);
    background: rgba(255, 171, 0, 0.08);
}

/* ==================== RELEASE NOTES ==================== */

.btn-release-notes {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.8em;
    font-family: var(--font-mono);
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: var(--transition);
}

.btn-release-notes:hover {
    color: var(--accent);
    background: var(--primary-glow);
}

.release-notes-card {
    max-width: 540px;
    max-height: 80dvh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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

.release-notes-header h3 {
    font-size: 1rem;
    color: var(--text);
    margin: 0;
}

.modal-close-btn {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 4px;
    transition: var(--transition);
}

.modal-close-btn:hover {
    color: var(--text);
}

.release-notes-body {
    overflow-y: auto;
    flex: 1;
    padding-right: 4px;
}

.release-notes-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.release-notes-list li {
    padding: 0.5rem 0.75rem;
    background: var(--bg-surface);
    border-left: 3px solid var(--primary);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 0.88rem;
    color: var(--text);
    line-height: 1.5;
}

/* ==================== TOAST ==================== */

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(30, 30, 30, 0.95);
    color: #ff9800;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 13px;
    z-index: 9999;
    pointer-events: none;
    border: 1px solid rgba(255, 152, 0, 0.3);
    transition: opacity 0.3s;
}

.toast.hidden {
    display: block !important;
    opacity: 0;
    pointer-events: none;
}

/* ==================== PROFILE MODAL ==================== */

.profile-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 200;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding-top: 56px;
    padding-right: 16px;
}

.profile-modal.hidden {
    display: none !important;
}

.profile-modal.auth-required {
    background: rgba(0, 0, 0, 0.75);
}

.profile-modal.auth-required .profile-modal-inner {
    border-color: var(--primary);
}

.profile-modal.auth-required .profile-modal-inner::before {
    content: 'Authentification requise';
    display: block;
    text-align: center;
    font-size: 0.75rem;
    color: var(--primary);
    margin-bottom: 4px;
}

.profile-modal-inner {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    width: 220px;
    gap: 0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

.pin-display {
    text-align: center;
    font-size: 1.5rem;
    letter-spacing: 0.5rem;
    padding: 12px 0;
    color: var(--text);
    min-height: 48px;
}

.pin-display.shake {
    animation: shake 0.3s ease;
    color: var(--warning);
}

.pin-pad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 8px;
}

.pin-key {
    padding: 14px;
    font-size: 1.1rem;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    cursor: pointer;
    transition: background 0.1s;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pin-key:hover {
    background: var(--bg-elevated);
}

.pin-key:active {
    background: var(--primary-dim);
}

.pin-key-confirm {
    background: var(--primary-dim);
    color: var(--primary);
    border-color: var(--primary);
}

.pin-key-confirm:hover {
    background: var(--primary);
    color: #000;
}

.pin-key-clear {
    color: var(--text-dim);
}

#profile-badge {
    cursor: pointer;
}

#profile-badge:hover {
    opacity: 0.8;
}

/* --- BLE Help Section (#screen-connect) --- */
.ble-help-section {
    margin-top: 12px;
    opacity: 0.65;
    font-size: 0.82em;
    text-align: center;
}
.ble-help-section .ble-help-text {
    margin: 0 0 6px 0;
    color: inherit;
}
.ble-help-section .ble-help-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}
.ble-help-section .ble-help-url {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.9em;
    padding: 2px 6px;
    background: var(--bg-elevated);
    border-radius: 4px;
    word-break: break-all;
}
.ble-help-section .btn-copy-ble {
    font-size: 0.9em;
    padding: 3px 10px;
    border: 1px solid currentColor;
    border-radius: 4px;
    background: transparent;
    color: inherit;
    cursor: pointer;
}
.ble-help-section .btn-copy-ble:active {
    transform: translateY(1px);
}

/* ==================== PROFILE OVERLAYS ==================== */

.profile-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-deep, #111);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-overlay.hidden {
    display: none !important;
}

.profile-overlay-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 32px 24px;
    background: var(--bg-surface, #1e1e1e);
    border: 1px solid var(--border, #333);
    border-radius: 12px;
    max-width: 340px;
    text-align: center;
}

.profile-overlay-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border, #333);
    border-top-color: var(--primary, #00e5ff);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}

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

.profile-overlay-icon {
    color: var(--warning, #ff9800);
}

.profile-overlay-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text, #eee);
    margin: 0;
}

.profile-overlay-msg {
    font-size: 0.9rem;
    color: var(--text-dim, #aaa);
    margin: 0;
    line-height: 1.5;
}

/* ==================== PROFILE ACCESS CONTROL ==================== */

/*
 * Masquage par profil via classe sur <body>.
 * body.profile-installateur : masque tout ce qui requiert tech ou dev
 * body.profile-tech          : masque tout ce qui requiert dev uniquement
 * body.profile-dev            : tout visible
 */

/* tech+ requis : masqué pour installateur */
body.profile-installateur .profile-only-tech,
body.profile-installateur .profile-only-dev {
    display: none !important;
}

/* dev uniquement : masqué pour installateur et tech */
body.profile-tech .profile-only-dev {
    display: none !important;
}

/* ==================== PIN MODAL — DOWNGRADE ==================== */

.pin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.pin-header-label {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-pin-reset {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    line-height: 1;
}

.btn-pin-reset:hover {
    background: var(--bg-elevated);
    color: var(--text);
}

/* ============================================================
   i18n — Language selector
   ============================================================ */

.btn-lang {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    padding: 5px 10px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    min-height: 32px;   /* desktop touch target */
    transition: var(--transition);
    flex-shrink: 0;
}

.btn-lang:hover {
    border-color: var(--accent);
}

.lang-opt {
    padding: 1px 3px;
    border-radius: 3px;
    transition: color var(--transition), background var(--transition);
}

.lang-opt[data-lang].active {
    color: var(--accent);
    font-weight: 800;
}

.lang-opt:not(.active) {
    color: var(--text-muted);
}

.lang-sep {
    color: var(--border-light);
    font-weight: 400;
    user-select: none;
}

/* Connect screen lang toggle (top-right) */
.connect-lang-wrap {
    display: flex;
    justify-content: flex-end;
    padding: 12px 0 0 0;
}

/* Mobile: increase tap target to 44px */
@media (hover: none) {
    .btn-lang {
        min-height: 44px;
        padding: 8px 14px;
    }
}

/* ============================================================
   PARAM INFO — Bouton (i) et Modal d'aide paramètre
   ============================================================ */

/* Bouton info (i) inline dans les labels config */
.param-info-btn {
    background: none;
    border: none;
    padding: 2px 4px;
    margin-left: 4px;
    color: var(--text-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
    border-radius: var(--radius);
    transition: var(--transition);
    flex-shrink: 0;
}

.param-info-btn:hover,
.param-info-btn:focus-visible {
    color: var(--primary);
    outline: 2px solid var(--primary-glow);
    outline-offset: 1px;
}

.param-info-icon {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    display: block;
}

/* h3 groupe avec bouton (i) : flex pour aligner */
.config-group-title.config-group-title-with-btn {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Fallback : cacher le config-hint si le bouton (i) est présent */
.config-item-col:has(.param-info-btn) .config-hint {
    display: none;
}

/* Cacher aussi le config-hint au niveau du config-group quand il contient un bouton info */
.config-group:has(.config-group-title-with-btn) > .config-hint {
    display: none;
}

/* Carte du modal param-info (border neutre, pas rouge) */
.param-info-card {
    border-color: var(--border);
    max-width: 480px;
    width: 100%;
    max-height: 80dvh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    text-align: left;
}

/* En-tête modal */
.param-info-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    gap: 12px;
}

.param-info-header h3 {
    font-size: 0.95rem;
    color: var(--primary);
    margin: 0;
    font-weight: 600;
}

/* Corps modal — scrollable */
.param-info-body {
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-right: 4px;
    margin-bottom: 1rem;
}

/* Description */
.param-info-description {
    font-size: 0.88rem;
    color: var(--text);
    line-height: 1.6;
    white-space: pre-line;
}

/* Méta-données (range / défaut / unité) */
.param-info-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.param-info-meta-item {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 4px 10px;
    font-size: 0.82rem;
    color: var(--text);
    font-family: var(--font-mono);
}

.param-info-meta-item.param-info-meta-enums {
    font-family: var(--font-ui);
    font-size: 0.82rem;
    width: 100%;
}

.param-info-meta-label {
    color: var(--text-dim);
    margin-right: 4px;
}

/* Variants de contexte (Phase 2b.5) — P80/P81/P82 scope interface vs nodes */
.param-info-variants {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 1rem 0 0.5rem 0;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-surface);
}

.param-info-variants.hidden {
    display: none;
}

.param-info-variant h4 {
    margin: 0 0 0.25rem 0;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.param-info-variant p {
    margin: 0 0 0.25rem 0;
    font-size: 0.88rem;
    line-height: 1.5;
    color: var(--text);
}

.param-info-variant-range {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-dim);
}

/* Impact */
.param-info-impact {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.5;
    padding: 8px 12px;
    background: var(--bg-surface);
    border-left: 3px solid var(--warning);
    border-radius: 0 var(--radius) var(--radius) 0;
}

/* Paramètres liés */
.param-info-related {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.5;
}

.param-info-related.hidden {
    display: none;
}

/* Titre de section (Impact, Paramètres liés) */
.param-info-section-title {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 4px;
}

/* Lien paramètre lié (cliquable) */
.param-related-link {
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    cursor: pointer;
    padding: 2px 8px;
    transition: var(--transition);
    text-decoration: none;
}

.param-related-link:hover,
.param-related-link:focus-visible {
    background: var(--primary-glow);
    border-color: var(--primary);
    outline: none;
}

/* ============================================================
   DASHBOARD ACTION BAR — sticky bottom
   ============================================================ */

.dashboard-action-bar {
    position: sticky;
    bottom: 0;
    z-index: 50;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    padding: 12px 0;
    background: var(--bg-base);
    border-top: 1px solid var(--border);
    /* Efface le halo du fond grille (body::before) sous la barre */
    margin-left: -4px;
    margin-right: -4px;
    padding-left: 4px;
    padding-right: 4px;
}

.dashboard-action-bar .btn-action {
    flex-direction: row;
    justify-content: center;
    padding: 12px 8px;
    font-size: 0.82rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

/* Espace sous le contenu du dashboard pour ne pas masquer la fin au scroll */
#tab-dashboard {
    padding-bottom: 8px;
}

@media (max-width: 480px) {
    .dashboard-action-bar {
        grid-template-columns: repeat(2, 1fr);
    }
    .dashboard-action-bar .btn-action {
        font-size: 0.78rem;
        padding: 10px 8px;
    }
}

/* Toast : remonter quand le dashboard est actif (CSS pur — :has()) */
body:has(#tab-dashboard.active) #toast {
    bottom: 88px;
}

@media (max-width: 480px) {
    body:has(#tab-dashboard.active) #toast {
        bottom: 152px;
    }
}

/* ─────────────────────────────────────────────
   Switcher contexte Interface/Nodes (Phase 3.6)
   Remplace les onglets locaux Phase 3.5 (CSS retiré)
   ───────────────────────────────────────────── */
.docs-context-switcher {
    display: inline-flex;
    gap: 0.25rem;
    border: 1px solid var(--border, #444);
    border-radius: 6px;
    overflow: hidden;
    background: var(--bg-surface, #2a2a2a);
    margin-left: auto;
}

.docs-context-btn {
    padding: 0.35rem 0.7rem;
    background: transparent;
    border: none;
    color: var(--text-dim, #999);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    line-height: 1.1;
    transition: background 0.15s, color 0.15s;
}

.docs-context-btn:hover {
    color: var(--accent, #90c965);
    background: rgba(144, 201, 101, 0.08);
}

.docs-context-btn.active {
    background: var(--accent, #90c965);
    color: #000;
    font-weight: 600;
}

.docs-context-btn-label {
    font-size: 0.85rem;
    font-weight: 500;
}

.docs-context-btn-sub {
    font-size: 0.65rem;
    opacity: 0.75;
    margin-top: 0.05rem;
}

.docs-context-btn.active .docs-context-btn-sub {
    opacity: 0.85;
}

/* Filtrage générique data-context (couvre les 4 pages) */
/* Restreint au contenu des sections doc — exclut le switcher du .doc-header
   qui utilise data-context comme identifiant de bouton (Phase 5.5 fix) */
body.docs-scope-interface .doc-content [data-context="nodes"] {
    display: none !important;
}
body.docs-scope-nodes .doc-content [data-context="interface"] {
    display: none !important;
}

/* Filtrage Registres Modbus via data-nodes (rangées <tr> + accordion detail) */
body.docs-scope-interface #tbl-modbus tr[data-scope-hidden="interface"] {
    display: none !important;
}
body.docs-scope-nodes #tbl-modbus tr[data-scope-hidden="nodes"] {
    display: none !important;
}

/* Notice contexte Nodes (Messages Nextion) */
.docs-context-notice {
    padding: 1.5rem;
    background: var(--bg-surface, #2a2a2a);
    border: 1px solid var(--border, #444);
    border-radius: 8px;
    border-left: 4px solid var(--accent, #90c965);
    margin: 1rem 0;
}
.docs-context-notice .notice-title {
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    color: var(--accent, #90c965);
}
.docs-context-notice p {
    margin: 0.4rem 0;
}

/* Responsive : sur mobile, masquer (cohérent avec .mod-filters) */
@media (max-width: 768px) {
    .docs-context-switcher {
        display: none;
    }
}