/* ═══════════════════════════════════════════════════════════
   BOTTINO MONITORING — capa de diseño "pro" (v10)
   Se carga DESPUÉS de styles.css y solo sobreescribe presentación:
   mismos tokens, tipografía e iconografía que el Backoffice.
   Los colores de los símbolos ANSI/IEC del panel NO se tocan.
   ═══════════════════════════════════════════════════════════ */

:root {
    --bg-base:        #0A1019;
    --bg-surface:     #0E1520;
    --bg-card:        #111A26;
    --bg-elevated:    #162130;
    --bg-hover:       #172334;
    --bg-input:       #0E1724;

    --border-subtle:  #1B2736;
    --border-base:    #223042;
    --border-strong:  #2E3F54;

    --text-primary:   #E8EDF3;
    --text-secondary: #9AA9BA;
    --text-muted:     #627387;

    --success:        #34D399;
    --success-dim:    rgba(52, 211, 153, 0.13);
    --danger:         #F87171;
    --danger-solid:   #DC2626;
    --danger-dim:     rgba(248, 113, 113, 0.13);
    --warn:           #FB923C;
    --warn-dim:       rgba(251, 146, 60, 0.14);
    --neutral-dim:    rgba(148, 163, 184, 0.14);

    --font-ui:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'IBM Plex Mono', ui-monospace, Menlo, monospace;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.55);
    --overlay:   rgba(3, 6, 10, 0.62);
}

:root[data-theme="light"] {
    --bg-base:        #F4F6FA;
    --bg-surface:     #FFFFFF;
    --bg-card:        #FFFFFF;
    --bg-elevated:    #FFFFFF;
    --bg-hover:       #F6F8FB;
    --bg-input:       #FFFFFF;
    --border-subtle:  #E8ECF2;
    --border-base:    #E1E6EE;
    --border-strong:  #CDD5E0;
    --text-primary:   #111C2D;
    --text-secondary: #55657A;
    --text-muted:     #8593A6;
    --success:        #059669;
    --success-dim:    rgba(5, 150, 105, 0.10);
    --danger:         #DC2626;
    --danger-dim:     rgba(220, 38, 38, 0.08);
    --warn:           #EA580C;
    --warn-dim:       rgba(234, 88, 12, 0.10);
    --neutral-dim:    rgba(100, 116, 139, 0.12);
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.10);
    --shadow-lg: 0 24px 64px rgba(15, 23, 42, 0.18);
    --overlay:   rgba(15, 23, 42, 0.38);
}

body { font-family: var(--font-ui); letter-spacing: 0; }
.mono { font-family: var(--font-mono) !important; }
.muted { color: var(--text-muted); }
.optional { font-weight: 400; color: var(--text-muted); text-transform: none; letter-spacing: 0; }

/* ── ICONOS ───────────────────────────────────────────────── */
svg:has(> use[href^="#i-"]) {
    width: 16px; height: 16px;
    fill: none; stroke: currentColor; stroke-width: 1.9;
    stroke-linecap: round; stroke-linejoin: round;
    flex-shrink: 0;
    vertical-align: middle;
}
.inline-icon { width: 15px !important; height: 15px !important; vertical-align: -2px !important; }

.logo-mark {
    width: 44px; height: 44px; border-radius: 12px;
    background: linear-gradient(145deg, #FBBF24, #D97706);
    color: #1A1206;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35), inset 0 1px 0 rgba(255,255,255,.35);
    flex-shrink: 0;
}
.logo-mark svg { width: 24px !important; height: 24px !important; stroke-width: 2 !important; fill: rgba(26,18,6,.15) !important; }
.logo-mark.sm { width: 32px; height: 32px; border-radius: 9px; }
.logo-mark.sm svg { width: 18px !important; height: 18px !important; }

/* ── BOTONES ──────────────────────────────────────────────── */
.btn { border-radius: 8px; letter-spacing: 0; padding: 8px 15px; font-size: 13px; gap: 7px; }
.btn:active { transform: none; }
.btn-primary { color: #1A1206; box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 4px 12px -4px rgba(245,158,11,.45); }
:root[data-theme="light"] .btn-primary { color: #fff; }
.btn-primary:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }
.btn-secondary { background: var(--bg-elevated); color: var(--text-primary); border-color: var(--border-base); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); background: var(--bg-elevated); }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border-base); }
.btn-ghost:hover { color: var(--text-primary); background: var(--bg-hover); }
.btn-danger { background: var(--danger-solid); color: #fff; border-color: var(--danger-solid); padding: 8px 15px; font-size: 13px; }
.btn-danger:hover { filter: brightness(1.08); background: var(--danger-solid); box-shadow: none; }
.btn-sm { padding: 6px 11px; font-size: 12px; }
.btn-lg { padding: 11px 16px; font-size: 14px; }
.btn-icon { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 6px; }
.btn-icon:hover { background: var(--accent-dim); }

/* ── FORMULARIOS ──────────────────────────────────────────── */
.form-group label { text-transform: none; letter-spacing: 0; font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.form-control { border-radius: 8px; font-size: 13.5px; padding: 9px 12px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-actions { justify-content: flex-end; }
.error-message { text-align: left; border-radius: 8px; }
.error-message.msg-success { background: var(--success-dim); color: var(--success); border-color: transparent; }
.error-message.msg-error   { background: var(--danger-dim);  color: var(--danger);  border-color: transparent; }
.dialog-text { color: var(--text-secondary); font-size: 14px; line-height: 1.6; }
.modal-divider { margin: 20px 0; border: none; border-top: 1px solid var(--border-subtle); }
.modal-h3 { font-size: 14px; margin-bottom: 12px; color: var(--text-primary); }
.info-box-sub { margin-top: 8px !important; font-size: 12px !important; color: var(--text-muted) !important; }

/* ═══════════════════════════════════════════════════════════
   LOGIN / TOKEN
   ═══════════════════════════════════════════════════════════ */
.auth-layout { min-height: 100vh; display: grid; grid-template-columns: 1.1fr 1fr; background: var(--bg-base); }
.auth-hero {
    position: relative; overflow: hidden;
    padding: 48px 56px;
    display: flex; flex-direction: column; justify-content: center; gap: 22px;
    background:
        radial-gradient(600px 400px at 20% 10%, rgba(245,158,11,.20), transparent 60%),
        radial-gradient(500px 500px at 90% 100%, rgba(245,158,11,.10), transparent 60%),
        linear-gradient(160deg, #0E1724, #070C14);
    color: #E8EDF3;
    border-right: 1px solid rgba(255,255,255,.06);
}
.auth-hero::after {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size: 36px 36px;
    mask-image: radial-gradient(ellipse at 30% 30%, #000 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 30% 30%, #000 20%, transparent 70%);
}
.auth-brand { position: absolute; top: 40px; left: 56px; display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 18px; letter-spacing: -.01em; }
.auth-title { font-size: 34px; line-height: 1.15; max-width: 480px; letter-spacing: -.03em; font-weight: 800; }
.auth-points { list-style: none; display: flex; flex-direction: column; gap: 12px; color: #B4C0CE; font-size: 14px; }
.auth-points li { display: flex; align-items: center; gap: 10px; }
.auth-points svg { width: 20px !important; height: 20px !important; color: #F59E0B; background: rgba(245,158,11,.14); border-radius: 50%; padding: 3px; }
.auth-foot { position: absolute; bottom: 32px; left: 56px; font-size: 12px; color: #627387; }
.auth-side { display: flex; align-items: center; justify-content: center; padding: 32px; }
.auth-card { width: 100%; max-width: 360px; animation: slideUp .4s cubic-bezier(.16,1,.3,1); }
.auth-card h1 { font-size: 24px; font-weight: 700; letter-spacing: -.02em; color: var(--text-primary); }
.auth-sub { color: var(--text-secondary); font-size: 13.5px; margin: 6px 0 28px; }
.auth-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--accent-dim); color: var(--accent); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.auth-icon svg { width: 22px !important; height: 22px !important; }
.auth-card .form-group { margin-bottom: 16px; }

/* ═══════════════════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════════════════ */
.navbar { height: 60px; padding: 0 20px; background: var(--bg-surface); border-bottom: 1px solid var(--border-base); }
.navbar-brand { gap: 11px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 15px; letter-spacing: -.01em; color: var(--text-primary); }
.brand-text span { font-size: 11.5px; color: var(--text-muted); }
.navbar-right { gap: 12px; }
.app-body { height: calc(100vh - 60px); }

.rtu-status {
    display: flex; align-items: center; gap: 10px;
    padding: 6px 14px 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--border-base);
    background: var(--bg-elevated);
    max-width: 380px;
}
.rtu-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--text-muted); flex-shrink: 0; position: relative; }
.rtu-status-text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.rtu-status-text strong { font-size: 12.5px; color: var(--text-primary); white-space: nowrap; }
.rtu-status-text span { font-size: 11.5px; color: var(--text-muted); font-family: var(--font-mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rtu-status[data-state="ok"]    { border-color: transparent; background: var(--success-dim); }
.rtu-status[data-state="ok"] .rtu-dot { background: var(--success); }
.rtu-status[data-state="ok"] .rtu-dot::after { content: ''; position: absolute; inset: -4px; border-radius: 50%; background: var(--success); opacity: .35; animation: rtu-pulse 1.8s ease-out infinite; }
.rtu-status[data-state="warn"]  { border-color: transparent; background: var(--warn-dim); }
.rtu-status[data-state="warn"] .rtu-dot { background: var(--warn); }
.rtu-status[data-state="warn"] strong { color: var(--warn); }
.rtu-status[data-state="error"] { border-color: transparent; background: var(--danger-dim); }
.rtu-status[data-state="error"] .rtu-dot { background: var(--danger); }
.rtu-status[data-state="error"] strong { color: var(--danger); }
@keyframes rtu-pulse { from { transform: scale(.6); opacity: .5; } to { transform: scale(1.7); opacity: 0; } }

.user-menu { padding: 5px 10px 5px 5px; border-radius: 10px; gap: 10px; background: transparent; border-color: transparent; }
.user-menu:hover { background: var(--bg-hover); border-color: var(--border-base); }
.user-avatar { width: 32px; height: 32px; border-radius: 50%; font-family: var(--font-ui); font-size: 13px; border-color: var(--border-base); background: linear-gradient(145deg, var(--accent-dim), var(--bg-elevated)); }
.user-meta { display: flex; flex-direction: column; line-height: 1.2; align-items: flex-start; }
.user-name-label { font-size: 13px; }
.user-role-badge { margin-left: 0; margin-top: 2px; font-size: 9.5px; padding: 1px 6px; letter-spacing: .06em; }
.role-configurador { background: var(--accent-dim); color: var(--accent); border-color: transparent; }
.role-operador { background: var(--success-dim); color: var(--success); border-color: transparent; }
.user-caret { width: 14px !important; height: 14px !important; color: var(--text-muted); }
.user-dropdown { min-width: 230px; border-radius: 12px; padding: 6px; border-color: var(--border-strong); }
.dropdown-section-label { font-size: 10.5px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: .08em; padding: 6px 10px 2px; }
.dropdown-theme-row { padding: 6px 6px 8px; }
.theme-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-size: 12px; padding: 7px 6px; border-radius: 8px; }
.theme-btn svg { width: 14px !important; height: 14px !important; }
.dropdown-item { padding: 9px 10px; border-radius: 8px; font-size: 13px; gap: 10px; color: var(--text-primary); }
.dropdown-item-icon { color: var(--text-muted); }
.dropdown-divider { margin: 4px 2px; }
.dropdown-logout { color: var(--danger); }
.dropdown-logout .dropdown-item-icon { color: var(--danger); }

/* ═══════════════════════════════════════════════════════════
   SIDEBAR
   ═══════════════════════════════════════════════════════════ */
.sidebar { width: 248px; min-width: 248px; border-right-color: var(--border-base); }
.sidebar-nav { padding: 12px; border-bottom-color: var(--border-base); }
.sidebar-nav-item { position: relative; gap: 11px; padding: 9px 12px; border-radius: 8px; border: none; font-size: 13.5px; }
.sidebar-nav-item:hover { border: none; }
.sidebar-nav-item.active { border: none; }
.sidebar-nav-item.active::before { content: ''; position: absolute; left: -12px; top: 8px; bottom: 8px; width: 3px; border-radius: 0 3px 3px 0; background: var(--accent); }
.sidebar-nav-icon { width: 17px !important; height: 17px !important; }
.sidebar-pane { padding: 8px 12px 16px; }
.sb-section-title { font-size: 10.5px; letter-spacing: .08em; padding: 10px 4px 8px; }
.sb-title-row { display: flex; justify-content: space-between; align-items: center; }
.sb-hint { padding: 2px 4px 8px; }

.sb-summary { display: flex; flex-direction: column; gap: 6px; }
.sb-summary-item {
    display: flex; align-items: center; justify-content: space-between;
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: 8px; padding: 10px 12px;
    font-family: var(--font-ui); font-size: 13px; color: var(--text-secondary);
    cursor: pointer; transition: border-color .15s, color .15s;
}
.sb-summary-item strong { color: var(--text-primary); font-variant-numeric: tabular-nums; }
.sb-summary-item:hover { border-color: var(--accent); color: var(--text-primary); }
.sb-note { display: flex; gap: 8px; margin-top: 14px; padding: 10px 12px; font-size: 12px; line-height: 1.45; color: var(--text-muted); background: var(--bg-card); border: 1px dashed var(--border-base); border-radius: 8px; }
.sb-note svg { margin-top: 1px; color: var(--text-muted); }

.sb-search-wrap { position: relative; padding: 0 0 4px; }
.sb-search-wrap svg { position: absolute; left: 10px; top: 50%; transform: translateY(-60%); color: var(--text-muted); width: 14px !important; height: 14px !important; }
.sb-search-input { padding: 8px 10px 8px 30px; border-radius: 8px; font-size: 12.5px; }

.panel-list-item { border-radius: 8px; padding: 8px 10px; font-size: 12.5px; }
.panel-list-del { display: inline-flex; align-items: center; opacity: 0; }
.panel-list-item:hover .panel-list-del, .panel-list-item.active .panel-list-del { opacity: 1; }
.panel-list-del svg { width: 13px !important; height: 13px !important; pointer-events: none; }

/* Paleta agrupada */
.symbol-palette { display: block; padding: 0; }
.palette-group { border-top: 1px solid var(--border-subtle); }
.palette-group-head {
    display: flex; align-items: center; gap: 8px; width: 100%;
    background: none; border: none; cursor: pointer;
    padding: 10px 4px; font-family: var(--font-ui); font-size: 12.5px; font-weight: 600; color: var(--text-primary); text-align: left;
}
.palette-group-head svg { width: 14px !important; height: 14px !important; color: var(--text-muted); transition: transform .15s; }
.palette-group-head small { margin-left: auto; font-size: 11px; color: var(--text-muted); background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 999px; padding: 0 7px; }
.palette-group.open .palette-group-head svg, .palette-group.searching .palette-group-head svg { transform: rotate(90deg); }
.palette-group-grid { display: none; grid-template-columns: 1fr 1fr; gap: 6px; padding: 0 0 12px; }
.palette-group.open .palette-group-grid, .palette-group.searching .palette-group-grid { display: grid; }
.symbol-item { border-radius: 8px; font-size: 10.5px; letter-spacing: 0; text-align: center; padding: 9px 6px; border-color: var(--border-subtle); }
.symbol-item:hover { transform: none; box-shadow: none; border-color: var(--accent); }
.symbol-item span { line-height: 1.2; }

/* ═══════════════════════════════════════════════════════════
   VARIABLES
   ═══════════════════════════════════════════════════════════ */
#view-variables { padding: 26px 32px 48px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-title { font-size: 22px; font-weight: 700; letter-spacing: -.02em; color: var(--text-primary); }
.page-sub { margin-top: 4px; color: var(--text-secondary); font-size: 13px; }
.page-actions { display: flex; gap: 10px; }
.caret { width: 14px !important; height: 14px !important; margin-left: -2px; opacity: .7; }
#excel-import-result { margin: 0 0 14px; }

.menu-wrap { position: relative; }
.pop-menu {
    display: none; position: absolute; right: 0; top: calc(100% + 6px); z-index: 300;
    width: 300px; padding: 6px;
    background: var(--bg-elevated); border: 1px solid var(--border-strong); border-radius: 12px;
    box-shadow: var(--shadow-lg);
    animation: dropIn .16s cubic-bezier(.16,1,.3,1);
}
.pop-menu.open { display: block; }
.pop-menu button, .pop-menu a {
    display: flex; align-items: flex-start; gap: 11px; width: 100%;
    background: none; border: none; text-align: left; text-decoration: none; cursor: pointer;
    padding: 9px 10px; border-radius: 8px; color: var(--text-primary); font-family: var(--font-ui);
}
.pop-menu button:hover, .pop-menu a:hover { background: var(--bg-hover); }
.pop-menu svg { margin-top: 2px; color: var(--accent); }
.pop-menu span { display: flex; flex-direction: column; gap: 1px; }
.pop-menu strong { font-size: 13px; font-weight: 600; }
.pop-menu small { font-size: 12px; color: var(--text-muted); }

.var-card { background: var(--bg-card); border: 1px solid var(--border-base); border-radius: 12px; box-shadow: var(--shadow-sm); }
.var-toolbar { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-bottom: 1px solid var(--border-base); flex-wrap: wrap; }
.var-card .tabs { margin: 0; padding: 3px; border-radius: 9px; background: var(--bg-surface); border-color: var(--border-subtle); }
.var-card .tab-btn { display: inline-flex; align-items: center; gap: 7px; padding: 6px 14px; border-radius: 7px; color: var(--text-secondary); font-size: 13px; letter-spacing: 0; }
.var-card .tab-btn.active { background: var(--bg-elevated); color: var(--accent); box-shadow: var(--shadow-sm), 0 0 0 1px var(--border-base); }
.tab-count { font-size: 11px; font-weight: 600; color: var(--text-muted); background: var(--bg-hover); border-radius: 999px; padding: 0 7px; min-width: 22px; text-align: center; font-variant-numeric: tabular-nums; }
.tab-count:empty { display: none; }
.tab-btn.active .tab-count { background: var(--accent-dim); color: var(--accent); }
.var-search { position: relative; flex: 1; max-width: 360px; min-width: 200px; margin-left: auto; }
.var-search svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--text-muted); width: 15px !important; height: 15px !important; }
.var-search input { width: 100%; background: var(--bg-input); border: 1px solid var(--border-base); color: var(--text-primary); border-radius: 8px; padding: 8px 12px 8px 34px; font-size: 13px; font-family: var(--font-ui); }
.var-search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.var-result-count { font-size: 12px; color: var(--text-muted); font-variant-numeric: tabular-nums; min-width: 90px; text-align: right; }

.var-card .tab-content > .form-section,
.var-card .tab-content > .batch-section { margin: 14px; border-radius: 10px; background: var(--bg-surface); border-color: var(--border-base); animation: fadein .2s ease-out; }
.form-section h2 { font-size: 15px; margin-bottom: 14px; }
.batch-section h3 { margin-bottom: 4px; }
.batch-help { font-size: 12.5px; color: var(--text-muted); margin-bottom: 14px; }
.batch-help code { font-family: var(--font-mono); background: var(--bg-hover); padding: 0 5px; border-radius: 4px; }
.batch-result.success { color: var(--success); }
.batch-result.error { color: var(--danger); }
@keyframes fadein { from { opacity: 0; transform: translateY(-4px); } }

.var-card .table-container { border: none; border-radius: 0 0 12px 12px; background: transparent; overflow: visible; }
.var-table thead { background: var(--bg-surface); }
.var-table thead th { font-size: 11px; letter-spacing: .06em; padding: 10px 18px; border-bottom: 1px solid var(--border-base); }
.var-table tbody td { padding: 10px 18px; font-size: 13px; vertical-align: middle; color: var(--text-secondary); font-family: var(--font-ui); font-weight: 400; }
.var-table tbody tr:hover { background: var(--bg-hover); }
.var-table .col-value { width: 170px; }
.var-table .col-actions { width: 56px; }
.var-name-cell { white-space: nowrap; }
.var-name { font-family: var(--font-mono); font-size: 12.5px; font-weight: 600; color: var(--text-primary); }
.hist-badge { display: inline-flex; margin-left: 8px; color: var(--accent); vertical-align: middle; }
.hist-badge svg { width: 13px !important; height: 13px !important; }
.var-desc-cell { color: var(--text-secondary); }
.value-cell { white-space: nowrap; transition: background .9s; }
.value-cell.flash { animation: valflash 1.2s ease-out; }
@keyframes valflash { from { background: var(--accent-dim); } to { background: transparent; } }
.val-num { font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.val-cmd { color: var(--accent); }
.val-empty { color: var(--text-muted); }
.val-pill { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 11.5px; font-weight: 600; border-radius: 999px; padding: 2px 10px 2px 8px; }
.val-pill::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.val-on { background: var(--success-dim); color: var(--success); }
.val-off { background: var(--neutral-dim); color: var(--text-secondary); }
.val-other { background: var(--accent-dim); color: var(--accent); }
.val-nodata { background: var(--warn-dim); color: var(--warn); font-family: var(--font-ui); }

.loading { font-family: var(--font-ui) !important; font-size: 13px !important; }
.error-text { color: var(--danger) !important; }
.empty-state { padding: 46px 20px; text-align: center; color: var(--text-muted); }
.empty-state .empty-icon { width: 46px; height: 46px; border-radius: 12px; background: var(--bg-surface); border: 1px solid var(--border-base); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 12px; color: var(--text-secondary); }
.empty-state .empty-icon svg { width: 22px !important; height: 22px !important; }
.empty-state strong { display: block; color: var(--text-primary); font-size: 14px; margin-bottom: 4px; }
.empty-state p { font-size: 13px; }

/* Menú ⋯ por fila (posicionado fijo desde JS para no recortarse) */
.btn-three-dot {
    display: inline-flex !important; align-items: center; justify-content: center;
    width: 30px; height: 30px; padding: 0 !important;
    background: transparent !important; border: 1px solid transparent !important; border-radius: 8px !important;
    color: var(--text-secondary) !important;
}
.btn-three-dot:hover, .three-dot-wrapper:has(.dot-menu.open) .btn-three-dot { background: var(--bg-elevated) !important; border-color: var(--border-base) !important; color: var(--text-primary) !important; }
.dot-menu {
    position: fixed; right: auto; top: auto;
    background: var(--bg-elevated); border: 1px solid var(--border-strong); border-radius: 10px;
    padding: 5px; min-width: 250px; box-shadow: var(--shadow-lg);
}
.dot-menu li { display: flex; align-items: center; gap: 10px; margin: 0; padding: 8px 10px; border-radius: 6px; color: var(--text-primary); font-size: 13px; }
.dot-menu li svg { color: var(--text-muted); width: 15px !important; height: 15px !important; }
.dot-menu li:hover { background: var(--bg-hover); color: var(--text-primary); }
.dot-menu li.active-item, .dot-menu li.active-item:hover { color: var(--success); }
.dot-menu li.active-item svg { color: var(--success); }
.dot-menu li.danger-item { color: var(--danger); }
.dot-menu li.danger-item svg { color: var(--danger); }
.dot-menu li.danger-item:hover { background: var(--danger-dim); color: var(--danger); }
.dot-menu li.dot-sep { padding: 0; margin: 5px 2px; height: 1px; background: var(--border-base); pointer-events: none; }

/* ═══════════════════════════════════════════════════════════
   PANEL
   ═══════════════════════════════════════════════════════════ */
#view-panel { padding: 16px 20px 20px; }
.panel-canvas-wrapper { height: calc(100vh - 96px); border-radius: 12px; border-color: var(--border-base); }
.panel-canvas-header {
    display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: center;
    padding: 8px 12px; background: var(--bg-card); border-bottom-color: var(--border-base); font-weight: 400;
}
.ph-left { display: flex; align-items: center; gap: 9px; min-width: 0; }
.ph-left strong { font-size: 14px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ph-icon { color: var(--accent); }
.ph-tools { display: flex; align-items: center; gap: 8px; }
.ph-right { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.tool-group { display: flex; align-items: center; gap: 2px; padding: 3px; background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: 9px; }
.ph-tools .tool-btn, .op-bar .tool-btn {
    display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 10px;
    background: transparent; border: 1px solid transparent; border-radius: 7px;
    font-size: 12.5px; font-weight: 600; color: var(--text-secondary);
}
.ph-tools .tool-btn.icon-only, .op-bar .tool-btn.icon-only { width: 30px; padding: 0; justify-content: center; }
.ph-tools .tool-btn:hover { background: var(--bg-hover); color: var(--text-primary); border-color: transparent; }
.ph-tools .tool-btn.active { background: var(--bg-elevated); color: var(--accent); border-color: var(--border-base); box-shadow: var(--shadow-sm); }
.ph-tools .tool-btn-danger:hover { color: var(--danger); background: var(--danger-dim); }
.ph-tools .tool-btn-warn:hover { color: var(--warn); background: var(--warn-dim); }
.zoom-level { min-width: 46px; text-align: center; font-family: var(--font-mono); font-size: 12px; color: var(--text-secondary); font-variant-numeric: tabular-nums; }

.save-state { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); white-space: nowrap; padding: 3px 9px; border-radius: 999px; }
.save-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); }
.save-state[data-state="dirty"] { color: var(--warn); background: var(--warn-dim); }
.save-state[data-state="dirty"] .save-dot { background: var(--warn); }
.save-state[data-state="saving"] .save-dot { background: var(--accent); animation: rtu-pulse 1s infinite; }

.panel-canvas-container { background-color: var(--bg-base); }
/* El diagrama queda siempre oscuro: los colores ANSI/IEC de los símbolos y sus
   etiquetas están pensados para fondo oscuro (como en cualquier SCADA). */
:root[data-theme="light"] .panel-canvas-container { background-color: #0B1220; }
:root[data-theme="light"] .canvas-hint { background: rgba(17, 26, 38, .85); border-color: #223042; color: #9AA9BA; }
.canvas-hint {
    position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%);
    font-size: 11.5px; color: var(--text-muted);
    background: color-mix(in srgb, var(--bg-card) 85%, transparent); border: 1px solid var(--border-subtle);
    padding: 5px 12px; border-radius: 999px; pointer-events: none; white-space: nowrap;
}
.rtu-alert-banner { gap: 10px; color: var(--warn); background: var(--warn-dim); border-top-color: transparent; animation: none; }
.rtu-alert-banner code { background: var(--warn-dim); color: var(--warn); }

/* Barra del modo operación */
.op-bar { display: none; }
body.operation-mode .navbar,
body.operation-mode .sidebar,
body.operation-mode .panel-canvas-header,
body.operation-mode .canvas-hint { display: none !important; }
body.operation-mode .app-body { height: 100vh; }
body.operation-mode #view-panel { padding: 0; }
body.operation-mode .panel-canvas-wrapper { height: 100vh; border: none; border-radius: 0; }
body.operation-mode .op-bar {
    display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px;
    padding: 10px 18px; background: var(--bg-surface); border-bottom: 1px solid var(--border-base);
}
.op-bar-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.op-title { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.op-kicker { font-size: 10.5px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: .08em; }
.op-title strong { font-size: 17px; letter-spacing: -.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.op-bar-right { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.op-clock { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.15; margin-right: 8px; }
.op-clock span { font-family: var(--font-mono); font-size: 20px; font-weight: 600; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.op-clock small { font-size: 11.5px; color: var(--text-muted); }
.op-bar .tool-btn { color: var(--text-secondary); border: 1px solid var(--border-base); background: var(--bg-elevated); }
.op-bar .tool-btn:hover { color: var(--text-primary); border-color: var(--accent); }
body.operation-mode .canvas-symbol { cursor: pointer; }

/* ═══════════════════════════════════════════════════════════
   MODALES
   ═══════════════════════════════════════════════════════════ */
.modal-overlay { background: var(--overlay); backdrop-filter: blur(3px); }
.modal-card, .modal-box {
    background: var(--bg-card); border: 1px solid var(--border-base); border-radius: 16px;
    box-shadow: var(--shadow-lg); width: 100%; max-width: 520px; max-height: 90vh;
    display: flex; flex-direction: column; overflow: hidden;
    animation: popIn .22s cubic-bezier(.16,1,.3,1);
}
.modal-header { background: var(--bg-card); padding: 18px 22px 14px; border-bottom-color: var(--border-subtle); }
.modal-header h2, .modal-header h3 { font-size: 16px; font-weight: 700; color: var(--text-primary); letter-spacing: -.01em; }
.modal-body { padding: 18px 22px; }
.modal-footer { background: var(--bg-surface); padding: 14px 22px; border-top-color: var(--border-subtle); }
.modal-close { width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; font-size: 14px; }
.modal-close:hover { background: var(--bg-hover); color: var(--text-primary); }
.modal-section-title { font-size: 11px; letter-spacing: .07em; }

/* Configuración de símbolo: panel lateral en vez de ventana centrada */
#modal-symbol-props { justify-content: flex-end; align-items: stretch; backdrop-filter: none; background: rgba(3, 6, 10, .28); }
:root[data-theme="light"] #modal-symbol-props { background: rgba(15, 23, 42, .14); }
#modal-symbol-props .modal-card {
    max-width: 460px; height: 100vh; max-height: 100vh; border-radius: 0;
    border-width: 0 0 0 1px; animation: drawerIn .22s cubic-bezier(.2,.8,.2,1);
}
@keyframes drawerIn { from { transform: translateX(100%); } to { transform: none; } }

/* Toasts */
.toast { border-radius: 10px; border-left-width: 1px; border-color: var(--border-strong); background: var(--bg-elevated); }
.toast-icon svg { width: 17px !important; height: 17px !important; }
.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--danger); }
.toast-warning .toast-icon { color: var(--warn); }
.toast-info .toast-icon { color: var(--accent); }
.toast-close { display: inline-flex; }
.toast-close svg { width: 14px !important; height: 14px !important; }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
    .panel-canvas-header { grid-template-columns: 1fr auto; }
    .ph-tools { grid-column: 1 / -1; order: 3; flex-wrap: wrap; }
    .ph-tools .tool-btn span { display: none; }
    .rtu-status-text span { display: none; }
}
@media (max-width: 900px) {
    .auth-layout { grid-template-columns: 1fr; }
    .auth-hero { display: none; }
    .form-row-2 { grid-template-columns: 1fr; }
    .user-meta { display: none; }
}

/* Las miniaturas de la paleta usan los mismos colores fijos que el diagrama:
   en tema claro se muestran sobre fondo oscuro, igual que el canvas. */
:root[data-theme="light"] .symbol-item { background: #111A26; border-color: #223042; color: #9AA9BA; }
:root[data-theme="light"] .symbol-item:hover { border-color: var(--accent); color: #FBBF24; background: #162130; }