/* =====================================================================
   Monitor multi-nodo — hoja de estilos única (sin frameworks ni CDN)
   ===================================================================== */
:root {
    --bg: #070b10;
    --bg-2: #0b1118;
    --panel: #0f1720;
    --panel-2: #142030;
    --panel-3: #1a2838;
    --border: #1f2e40;
    --border-strong: #2b3f56;
    --text: #e7eef6;
    --muted: #8696aa;
    --faint: #5b6b80;
    --accent: #2dd4bf;
    --accent-2: #38bdf8;
    --accent-soft: rgba(45, 212, 191, .12);
    --ok: #22c55e;
    --warn: #f59e0b;
    --danger: #f43f5e;
    --violet: #a78bfa;
    --amber: #fbbf24;
    --orange: #fb923c;

    --c-temp: #fb923c;
    --c-hum: #38bdf8;
    --c-ch4: #2dd4bf;
    --c-co2: #a78bfa;
    --c-level: #fbbf24;

    --radius: 14px;
    --radius-sm: 9px;
    --shadow: 0 10px 30px -12px rgba(0, 0, 0, .6);
    --shadow-glow: 0 0 0 1px rgba(45, 212, 191, .25), 0 12px 40px -12px rgba(45, 212, 191, .35);
    --ease: cubic-bezier(.2, .8, .2, 1);
    --font: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
    --mono: "Cascadia Code", "Cascadia Mono", Consolas, ui-monospace, monospace;
    --sidebar-w: 248px;

    /* Superficies y textos que cambian con el tema (valores del tema oscuro). */
    --bg-glow-1: rgba(56, 189, 248, .07);
    --bg-glow-2: rgba(45, 212, 191, .06);
    --sidebar-bg: linear-gradient(180deg, rgba(15, 23, 32, .96), rgba(10, 16, 23, .96));
    --card-bg: linear-gradient(180deg, rgba(20, 32, 48, .55), rgba(15, 23, 32, .9));
    --hint-bg: rgba(15, 23, 32, .7);
    --row-hover: rgba(26, 40, 56, .45);
    --modal-bg: linear-gradient(180deg, #111b27, #0c141d);
    --modal-shadow: 0 30px 80px -20px rgba(0, 0, 0, .8);
    --backdrop: rgba(3, 6, 10, .72);
    --tooltip-bg: #0b1219;
    --chart-tip-bg: rgba(9, 15, 22, .94);
    --toast-bg: #101a25;
    --note-bg: #1c1606;
    --auth-art-bg: linear-gradient(160deg, #0b1620, #070b10);
    --shimmer: rgba(255, 255, 255, .05);
    --accent-end: #22b8a6;
    --on-accent: #032421;
    --on-ok: #04210f;
    --warn-text: #fde68a;
    --danger-text: #fecdd3;
    --info-text: #bae6fd;
}

/* ------------------------------------------------------------ tema claro */
:root[data-theme="light"] {
    --bg: #f3f6f9;
    --bg-2: #edf1f5;
    --panel: #ffffff;
    --panel-2: #f6f8fb;
    --panel-3: #eceff4;
    --border: #dce3eb;
    --border-strong: #c3cedb;
    --text: #0f1b2a;
    --muted: #52627a;
    --faint: #8492a6;
    --accent: #0d9488;
    --accent-2: #0369a1;
    --accent-soft: rgba(13, 148, 136, .10);
    --ok: #15803d;
    --warn: #b45309;
    --danger: #e11d48;
    --violet: #7c3aed;
    --amber: #b45309;
    --orange: #c2410c;

    --c-temp: #ea580c;
    --c-hum: #0284c7;
    --c-ch4: #0d9488;
    --c-co2: #7c3aed;
    --c-level: #ca8a04;

    --shadow: 0 10px 30px -14px rgba(15, 27, 42, .22);
    --shadow-glow: 0 0 0 1px rgba(13, 148, 136, .28), 0 12px 32px -14px rgba(13, 148, 136, .35);

    --bg-glow-1: rgba(3, 105, 161, .06);
    --bg-glow-2: rgba(13, 148, 136, .07);
    --sidebar-bg: linear-gradient(180deg, #ffffff, #f7f9fc);
    --card-bg: linear-gradient(180deg, #ffffff, #fbfcfe);
    --hint-bg: #f8fafc;
    --row-hover: rgba(15, 27, 42, .04);
    --modal-bg: #ffffff;
    --modal-shadow: 0 30px 80px -20px rgba(15, 27, 42, .35);
    --backdrop: rgba(15, 27, 42, .35);
    --tooltip-bg: #ffffff;
    --chart-tip-bg: rgba(255, 255, 255, .97);
    --toast-bg: #ffffff;
    --note-bg: #fffbeb;
    --auth-art-bg: linear-gradient(160deg, #e3f4f2, #eaf1fa);
    --shimmer: rgba(15, 27, 42, .06);
    --accent-end: #0f766e;
    --on-accent: #ffffff;
    --on-ok: #ffffff;
    --warn-text: #92400e;
    --danger-text: #9f1239;
    --info-text: #075985;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
    background:
        radial-gradient(1200px 600px at 85% -10%, var(--bg-glow-1), transparent 60%),
        radial-gradient(900px 500px at -10% 110%, var(--bg-glow-2), transparent 60%),
        var(--bg);
    color: var(--text);
    font: 15px/1.5 var(--font);
    -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { color: var(--accent); }
h1 { font-size: 1.65rem; margin: 0; letter-spacing: -.01em; }
h2 { font-size: 1.08rem; margin: 0; }
h3 { font-size: .9rem; margin: 0; color: var(--muted); font-weight: 600; }
p { margin: 0; }
code, .mono { font-family: var(--mono); }
code { background: var(--panel-3); padding: .05em .4em; border-radius: 5px; font-size: .9em; }
small { color: var(--muted); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.error { color: var(--danger); }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.ic { width: 1.15em; height: 1.15em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; vertical-align: -.2em; }
.ic-lg { width: 1.6em; height: 1.6em; }
.ic-xl { width: 2.4em; height: 2.4em; }

/* ------------------------------------------------------------ shell */
.shell { display: grid; grid-template-columns: var(--sidebar-w) 1fr; min-height: 100vh; }
.sidebar {
    position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 1.2rem;
    padding: 1.2rem .9rem; background: var(--sidebar-bg);
    border-right: 1px solid var(--border); z-index: 30;
}
.brand { display: flex; align-items: center; gap: .7rem; color: var(--text); padding: .2rem .5rem; }
.brand:hover { color: var(--text); }
.brand-mark {
    display: block; flex: none; width: 44px; height: 44px; border-radius: 12px; overflow: hidden; background: #000;
    box-shadow: 0 0 0 1px var(--border-strong), 0 6px 20px -8px rgba(0, 131, 192, .7);
}
.brand-mark img, .auth-hero img { display: block; width: 100%; height: 100%; object-fit: cover; }
.auth-hero {
    display: block; width: clamp(104px, 20vh, 168px); height: clamp(104px, 20vh, 168px); margin: 2rem 0 1.4rem;
    border-radius: 28px; overflow: hidden; background: #000;
    box-shadow: 0 0 0 1px var(--border-strong), 0 24px 60px -24px rgba(0, 131, 192, .8);
}
@media (max-width: 900px) { .auth-hero { display: none; } }
.brand-text { display: flex; flex-direction: column; font-weight: 800; letter-spacing: .12em; font-size: .95rem; line-height: 1.1; }
.brand-text small { letter-spacing: .08em; font-weight: 600; font-size: .7rem; color: var(--accent); text-transform: uppercase; }

.side-nav { display: flex; flex-direction: column; gap: .25rem; }
.side-nav a {
    position: relative; display: flex; align-items: center; gap: .75rem; padding: .62rem .8rem; border-radius: 10px;
    color: var(--muted); font-weight: 600; transition: background .2s, color .2s;
}
.side-nav a:hover { background: var(--panel-2); color: var(--text); }
.side-nav a.active { background: var(--accent-soft); color: var(--text); }
.side-nav a.active::before {
    content: ""; position: absolute; left: -.9rem; top: 22%; bottom: 22%; width: 3px; border-radius: 0 3px 3px 0;
    background: var(--accent); box-shadow: 0 0 12px var(--accent);
}
.side-nav a.active .ic { color: var(--accent); }

.side-foot { margin-top: auto; display: flex; flex-direction: column; gap: .7rem; }
.side-status { display: flex; align-items: center; gap: .55rem; font-size: .82rem; color: var(--muted); padding: .5rem .8rem; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; }
.side-user { display: flex; align-items: center; gap: .6rem; padding: .3rem .3rem .3rem .5rem; }
.side-user-text { display: flex; flex-direction: column; flex: 1; min-width: 0; font-weight: 600; font-size: .9rem; overflow: hidden; text-overflow: ellipsis; }
.side-user-text small { font-weight: 500; font-size: .75rem; }
.avatar { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--panel-3); border: 1px solid var(--border-strong); font-weight: 700; color: var(--accent); }

.live-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--danger); flex: none; }
.live-dot.on { background: var(--ok); animation: pulse-dot 2s infinite; }

.main { min-width: 0; }
.mobile-bar { display: none; }
.content { max-width: 1480px; margin: 0 auto; padding: 1.8rem 2rem 3rem; }

/* ------------------------------------------------------------ cabeceras */
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.4rem; }
.page-head .eyebrow { display: flex; align-items: center; gap: .4rem; color: var(--accent); font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; margin-bottom: .3rem; }
.page-head p.lead { color: var(--muted); margin-top: .35rem; max-width: 720px; }
.head-actions { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; }
.back-link { display: inline-flex; align-items: center; gap: .3rem; color: var(--muted); font-size: .88rem; margin-bottom: .4rem; }
.section-title { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: 1.8rem 0 .9rem; }
.section-title h2 { display: flex; align-items: center; gap: .5rem; }
.section-title h2 .ic { color: var(--accent); }

/* ------------------------------------------------------------ tarjetas */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border); border-radius: var(--radius); padding: 1.15rem 1.2rem; box-shadow: var(--shadow);
}
.card + .card { margin-top: 1rem; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.card-head h2 { display: flex; align-items: center; gap: .5rem; }
.card-head h2 .ic { color: var(--accent); }
.card-sub { color: var(--muted); font-size: .88rem; margin: -.6rem 0 1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 1rem; align-items: start; }
.grid-2 > .card { margin: 0; }

/* KPI */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 1rem; }
.kpi { position: relative; overflow: hidden; display: flex; gap: .9rem; align-items: center; padding: 1rem 1.1rem; }
.kpi::after { content: ""; position: absolute; inset: auto -30% -60% auto; width: 140px; height: 140px; border-radius: 50%; background: radial-gradient(circle, var(--kpi-c, var(--accent)) 0%, transparent 70%); opacity: .12; }
.kpi-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: color-mix(in srgb, var(--kpi-c, var(--accent)) 16%, transparent); color: var(--kpi-c, var(--accent)); flex: none; }
.kpi-icon .ic { width: 22px; height: 22px; }
.kpi-value { font: 700 1.55rem/1.1 var(--mono); }
.kpi-value small { font: 500 .8rem var(--font); margin-left: .25rem; }
.kpi-label { color: var(--muted); font-size: .82rem; }
.kpi.danger { --kpi-c: var(--danger); }
.kpi-temp { --kpi-c: var(--c-temp); }
.kpi-ch4 { --kpi-c: var(--c-ch4); }
.kpi.danger.active { border-color: color-mix(in srgb, var(--danger) 60%, transparent); animation: glow-danger 2.2s infinite; }

/* ------------------------------------------------------------ guía */
.guide { position: relative; overflow: hidden; border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
.guide::before { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, rgba(45, 212, 191, .08), transparent 45%); pointer-events: none; }
.guide-head { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.guide-progress { display: block; height: 6px; background: var(--panel-3); border-radius: 99px; overflow: hidden; margin: .9rem 0 1.1rem; }
.guide-progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: inherit; transition: width .9s var(--ease); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: .7rem; }
.step { display: flex; gap: .7rem; padding: .75rem .85rem; border-radius: 11px; background: var(--panel); border: 1px solid var(--border); transition: border-color .3s, background .3s; }
.step-mark { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--border-strong); font: 700 .78rem var(--mono); color: var(--muted); flex: none; transition: all .4s var(--ease); }
.step-mark .ic { display: none; width: 15px; height: 15px; stroke-width: 3; }
.step strong { display: block; font-size: .9rem; }
.step span.step-desc { color: var(--muted); font-size: .8rem; }
.step.done { border-color: color-mix(in srgb, var(--ok) 35%, var(--border)); background: color-mix(in srgb, var(--ok) 6%, var(--panel)); }
.step.done .step-mark { background: var(--ok); border-color: var(--ok); color: var(--on-ok); transform: rotate(360deg); }
.step.done .step-mark b { display: none; }
.step.done .step-mark .ic { display: block; }

/* ------------------------------------------------------------ ML */
.ml-slot {
    min-height: 220px; border: 2px dashed var(--border-strong); border-radius: var(--radius);
    background: repeating-linear-gradient(135deg, transparent 0 14px, rgba(167, 139, 250, .025) 14px 28px);
}

/* ------------------------------------------------------------ filtros */
.filters { display: flex; gap: .8rem; flex-wrap: wrap; align-items: center; margin-bottom: 1rem; }
.chips { display: flex; gap: .45rem; flex-wrap: wrap; }
.chip {
    display: inline-flex; align-items: center; gap: .4rem; padding: .38rem .8rem; border-radius: 99px; font: inherit; font-size: .84rem; font-weight: 600;
    background: var(--panel); color: var(--muted); border: 1px solid var(--border); cursor: pointer; transition: all .2s var(--ease);
}
.chip:hover { color: var(--text); border-color: var(--border-strong); }
.chip.active { background: var(--accent-soft); color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.chip .count { font-family: var(--mono); font-size: .75rem; padding: 0 .4rem; border-radius: 99px; background: var(--panel-3); color: var(--muted); }
.search { position: relative; flex: 1; min-width: 200px; max-width: 340px; margin-left: auto; }
.search .ic { position: absolute; left: .75rem; top: 50%; transform: translateY(-50%); color: var(--faint); }
.search input { padding-left: 2.3rem; }

/* ------------------------------------------------------------ nodos */
.zone-group + .zone-group { margin-top: 1.6rem; }
.zone-title { display: flex; align-items: center; gap: .5rem; font-size: .85rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: .8rem; }
.zone-title .ic { color: var(--accent); }
.zone-title .line { flex: 1; height: 1px; background: linear-gradient(90deg, var(--border-strong), transparent); }
.node-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1rem; }

.node-card {
    position: relative; display: block; color: var(--text); padding: 1.05rem 1.1rem 1rem; overflow: hidden;
    transition: transform .35s var(--ease), border-color .3s, box-shadow .35s var(--ease);
}
.node-card:hover { color: var(--text); transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); box-shadow: var(--shadow-glow); }
.node-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--conn-c, var(--faint)); opacity: .9; transition: background .4s; }
.node-card[data-conn="online"] { --conn-c: var(--ok); }
.node-card[data-conn="stale"], .node-card[data-conn="pending"] { --conn-c: var(--warn); }
.node-card[data-conn="offline"] { --conn-c: var(--danger); }
.node-card.alarm { border-color: color-mix(in srgb, var(--danger) 60%, transparent); animation: glow-danger 2.2s infinite; }
.node-card.disabled { opacity: .55; filter: saturate(.4); }
.node-top { display: flex; justify-content: space-between; align-items: flex-start; gap: .6rem; }
.node-top h2 { font-size: 1.05rem; }
.node-zone { display: flex; align-items: center; gap: .3rem; color: var(--muted); font-size: .82rem; margin-top: .1rem; }
.node-body { display: grid; grid-template-columns: 96px 1fr; gap: 1rem; align-items: center; margin-top: .9rem; }
.node-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: .45rem .7rem; }
.m { display: flex; align-items: center; gap: .45rem; min-width: 0; }
.m .ic { color: var(--m-c, var(--muted)); }
.m-val { font: 600 .98rem var(--mono); white-space: nowrap; transition: color .3s; }
.m-val small { font: 500 .7rem var(--font); margin-left: .15rem; }
.m.over .m-val { color: var(--danger); }
.m[data-metric="temp_c"] { --m-c: var(--c-temp); }
.m[data-metric="hum_pct"] { --m-c: var(--c-hum); }
.m[data-metric="ch4_ppm"] { --m-c: var(--c-ch4); }
.m[data-metric="co2_ppm"] { --m-c: var(--c-co2); }
.node-spark { margin-top: .8rem; height: 38px; }
.node-spark svg { width: 100%; height: 100%; display: block; overflow: visible; }
.node-foot { display: flex; justify-content: space-between; align-items: center; gap: .5rem; margin-top: .6rem; font-size: .75rem; color: var(--faint); font-family: var(--mono); }
.node-foot .signal { display: inline-flex; align-items: center; gap: .3rem; }
.badge-pending { display: inline-flex; align-items: center; gap: .35rem; font-size: .75rem; color: var(--warn); }

/* anillo de nivel */
.ring { position: relative; width: 96px; height: 96px; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 9; }
.ring .ring-bg { stroke: var(--panel-3); }
.ring .ring-fg { stroke: var(--c-level); stroke-linecap: round; transition: stroke-dashoffset 1.1s var(--ease), stroke .4s; }
.ring.over .ring-fg { stroke: var(--danger); }
.ring-label { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.ring-label b { font: 700 1.15rem/1 var(--mono); }
.ring-label span { font-size: .66rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-top: .2rem; }
.ring-lg { width: 150px; height: 150px; }
.ring-lg circle { stroke-width: 11; }
.ring-lg .ring-label b { font-size: 1.7rem; }

/* estado */
.status { display: inline-flex; align-items: center; gap: .4rem; padding: .22rem .65rem; border-radius: 99px; font-size: .74rem; font-weight: 700; white-space: nowrap; background: var(--panel-3); color: var(--muted); border: 1px solid var(--border); }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status.online { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); background: color-mix(in srgb, var(--ok) 9%, transparent); }
.status.online::before { animation: pulse-dot 2s infinite; }
.status.stale, .status.pending { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, transparent); background: color-mix(in srgb, var(--warn) 9%, transparent); }
.status.offline, .status.bad { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); background: color-mix(in srgb, var(--danger) 9%, transparent); }
.status.alarm { color: #fff; background: var(--danger); border-color: var(--danger); }

/* ------------------------------------------------------------ vacío */
.empty { text-align: center; padding: 3rem 1.5rem; }
.empty-art { width: 120px; height: 120px; margin: 0 auto 1rem; display: grid; place-items: center; border-radius: 50%; background: radial-gradient(circle, rgba(45, 212, 191, .18), transparent 70%); color: var(--accent); animation: float 4s ease-in-out infinite; }
.empty-art .ic { width: 52px; height: 52px; stroke-width: 1.4; }
.empty h2 { font-size: 1.25rem; }
.empty p { color: var(--muted); max-width: 520px; margin: .5rem auto 1.3rem; }

/* ------------------------------------------------------------ banners y ayudas */
.banner { display: flex; align-items: center; gap: .7rem; padding: .8rem 1rem; border-radius: 12px; margin-bottom: 1rem; border: 1px solid; animation: slide-down .45s var(--ease); }
.banner .ic { flex: none; }
.banner-warn { border-color: color-mix(in srgb, var(--warn) 50%, transparent); background: color-mix(in srgb, var(--warn) 10%, transparent); color: var(--warn-text); }
.banner-alarm { border-color: color-mix(in srgb, var(--danger) 55%, transparent); background: color-mix(in srgb, var(--danger) 13%, transparent); color: var(--danger-text); font-weight: 600; }
.banner-info { border-color: color-mix(in srgb, var(--accent-2) 40%, transparent); background: color-mix(in srgb, var(--accent-2) 8%, transparent); color: var(--info-text); }

.callout { display: flex; gap: .7rem; padding: .8rem .95rem; border-radius: 11px; background: var(--panel); border: 1px solid var(--border); font-size: .87rem; color: var(--muted); }
.callout .ic { color: var(--accent-2); margin-top: .1rem; }
.callout strong { color: var(--text); }
.callout.warn .ic { color: var(--warn); }

.hint { border: 1px solid var(--border); border-radius: 11px; background: var(--hint-bg); margin: .2rem 0 1rem; }
.hint summary { display: flex; align-items: center; gap: .5rem; padding: .6rem .85rem; cursor: pointer; list-style: none; color: var(--accent-2); font-size: .86rem; font-weight: 600; }
.hint summary::-webkit-details-marker { display: none; }
.hint .hint-arrow { margin-left: auto; transition: transform .25s var(--ease); color: var(--muted); }
.hint[open] .hint-arrow { transform: rotate(90deg); }
.hint-body { padding: 0 .95rem .85rem 2.25rem; color: var(--muted); font-size: .86rem; animation: fade-in .3s var(--ease); }
.hint-body ul, .hint-body ol { margin: .3rem 0 0; padding-left: 1.1rem; }
.hint-body li + li { margin-top: .25rem; }

[data-tip] { position: relative; }
[data-tip]::after {
    content: attr(data-tip); position: absolute; left: 50%; bottom: calc(100% + 8px); transform: translate(-50%, 4px);
    background: var(--tooltip-bg); color: var(--text); border: 1px solid var(--border-strong); padding: .35rem .6rem; border-radius: 7px;
    font-size: .76rem; font-weight: 500; white-space: nowrap; pointer-events: none; opacity: 0; transition: opacity .15s, transform .15s; z-index: 60;
    max-width: 280px; white-space: normal; width: max-content;
}
[data-tip]:hover::after, [data-tip]:focus-visible::after { opacity: 1; transform: translate(-50%, 0); }

/* ------------------------------------------------------------ botones y formularios */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .45rem; font: inherit; font-weight: 600; font-size: .9rem;
    padding: .58rem 1rem; border-radius: 10px; border: 1px solid var(--border-strong); background: var(--panel-2); color: var(--text);
    cursor: pointer; transition: transform .15s, border-color .2s, background .2s, box-shadow .2s; white-space: nowrap;
}
.btn:hover { border-color: var(--accent); color: var(--text); }
.btn:active { transform: translateY(1px) scale(.98); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-end)); border-color: transparent; color: var(--on-accent); box-shadow: 0 6px 18px -8px rgba(45, 212, 191, .8); }
.btn-primary:hover { color: var(--on-accent); box-shadow: 0 8px 26px -8px rgba(45, 212, 191, .95); }
.btn-ghost { background: transparent; }
.btn-warn { border-color: color-mix(in srgb, var(--warn) 55%, transparent); }
.btn-warn .ic { color: var(--warn); }
.btn-danger { border-color: color-mix(in srgb, var(--danger) 60%, transparent); color: var(--danger-text); }
.btn-danger .ic { color: var(--danger); }
.btn-sm { padding: .32rem .62rem; font-size: .8rem; border-radius: 8px; }
.btn.loading { pointer-events: none; opacity: .75; }
.btn.loading::after { content: ""; width: 14px; height: 14px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; }
.icon-btn { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: transparent; border: 1px solid transparent; color: var(--muted); cursor: pointer; transition: all .2s; }
.icon-btn:hover { color: var(--text); background: var(--panel-2); border-color: var(--border); }

input, select, textarea {
    font: inherit; background: var(--bg-2); color: var(--text); border: 1px solid var(--border-strong); border-radius: 10px;
    padding: .55rem .75rem; width: 100%; transition: border-color .2s, box-shadow .2s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(45, 212, 191, .18); }
input:disabled, select:disabled { opacity: .55; }
input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); }
input.invalid { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(244, 63, 94, .15); }
input.valid { border-color: color-mix(in srgb, var(--ok) 60%, transparent); }
label { display: flex; flex-direction: column; gap: .35rem; font-size: .84rem; font-weight: 600; color: var(--muted); }
label .help { font-weight: 400; font-size: .78rem; color: var(--faint); }
label.check, span.check { display: flex; flex-direction: row; align-items: center; gap: .55rem; color: var(--text); font-weight: 500; min-height: 2.4rem; }
.kv + .form-actions, .secret-box + .form-actions { margin-top: 1rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; align-items: start; }
.form-grid .span-2 { grid-column: span 2; }
.form-actions { display: flex; gap: .6rem; justify-content: flex-end; align-items: center; margin-top: .4rem; }

.copy-field { display: flex; align-items: stretch; border: 1px solid var(--border-strong); border-radius: 10px; overflow: hidden; background: var(--bg-2); }
.copy-field code { flex: 1; background: none; padding: .55rem .75rem; overflow-x: auto; white-space: nowrap; font-size: .85rem; }
.copy-field button { border: 0; border-left: 1px solid var(--border-strong); background: var(--panel-2); color: var(--muted); padding: 0 .8rem; cursor: pointer; display: flex; align-items: center; gap: .35rem; font: inherit; font-size: .8rem; font-weight: 600; transition: color .2s, background .2s; }
.copy-field button:hover { color: var(--accent); }
.copy-field button.copied { color: var(--ok); }
.copy-field.block code { white-space: pre-wrap; word-break: break-all; }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .87rem; }
.table th, .table td { text-align: left; padding: .65rem .55rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table th { color: var(--faint); font-weight: 700; font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; }
.table tbody tr { transition: background .2s; }
.table tbody tr:hover { background: var(--row-hover); }
.table td.mono { font-family: var(--mono); font-size: .82rem; }
.table select { width: auto; padding: .3rem .5rem; }
.table .actions { display: flex; gap: .35rem; flex-wrap: wrap; }

/* ------------------------------------------------------------ pestañas */
.tabs { position: relative; display: flex; gap: .2rem; border-bottom: 1px solid var(--border); margin-bottom: 1.3rem; overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
.tab { display: flex; align-items: center; gap: .45rem; padding: .75rem 1rem; background: none; border: 0; color: var(--muted); font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap; transition: color .2s; }
.tab:hover, .tab.active { color: var(--text); }
.tab.active .ic { color: var(--accent); }
.tab-ink { position: absolute; bottom: 0; height: 2px; background: var(--accent); box-shadow: 0 0 10px var(--accent); border-radius: 2px; transition: left .35s var(--ease), width .35s var(--ease); }
.tab-panel { animation: fade-up .45s var(--ease); }

/* ------------------------------------------------------------ nodo */
.node-hero { display: grid; grid-template-columns: auto 1fr; gap: 1.6rem; align-items: center; }
.metric-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: .8rem; }
.tile { position: relative; padding: .9rem 1rem; border-radius: 12px; background: var(--panel); border: 1px solid var(--border); overflow: hidden; transition: border-color .3s; }
.tile::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--m-c, var(--accent)); }
.tile-head { display: flex; align-items: center; gap: .45rem; color: var(--muted); font-size: .8rem; font-weight: 600; }
.tile-head .ic { color: var(--m-c); }
.tile-value { font: 700 1.75rem/1.2 var(--mono); margin-top: .35rem; transition: color .3s; }
.tile-value small { font: 500 .85rem var(--font); margin-left: .2rem; }
.tile-note { font-size: .76rem; color: var(--faint); margin-top: .1rem; min-height: 1.1em; }
.tile.over { border-color: color-mix(in srgb, var(--danger) 55%, transparent); }
.tile.over .tile-value { color: var(--danger); }
.tile[data-metric="temp_c"] { --m-c: var(--c-temp); }
.tile[data-metric="hum_pct"] { --m-c: var(--c-hum); }
.tile[data-metric="ch4_ppm"] { --m-c: var(--c-ch4); }
.tile[data-metric="co2_ppm"] { --m-c: var(--c-co2); }
.tile[data-metric="dist_cm"] { --m-c: var(--c-level); }
.health { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .6rem; }
.health-item { display: flex; align-items: center; gap: .55rem; padding: .55rem .7rem; border-radius: 10px; background: var(--panel); border: 1px solid var(--border); font-size: .84rem; }
.health-item .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--faint); flex: none; }
.health-item.ok .dot { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.health-item.warn .dot { background: var(--warn); }
.health-item.bad .dot { background: var(--danger); }
.health-item span.sub { margin-left: auto; color: var(--faint); font-size: .76rem; }

.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(440px, 1fr)); gap: 1rem; }
.charts figure { margin: 0; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: .8rem .9rem; }
.charts figcaption { display: flex; align-items: center; gap: .4rem; font-size: .82rem; font-weight: 600; color: var(--muted); margin-bottom: .4rem; }
.charts canvas { width: 100%; display: block; }
.range-picker { display: inline-flex; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 3px; gap: 2px; }
.range-picker button { border: 0; background: none; color: var(--muted); font: inherit; font-size: .82rem; font-weight: 600; padding: .35rem .7rem; border-radius: 7px; cursor: pointer; transition: all .2s; }
.range-picker button.active { background: var(--accent-soft); color: var(--accent); }

.cmd-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: .8rem; }
.cmd { display: flex; flex-direction: column; gap: .5rem; padding: .9rem; border-radius: 12px; background: var(--panel); border: 1px solid var(--border); transition: border-color .25s, transform .25s var(--ease); }
.cmd:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.cmd h3 { display: flex; align-items: center; gap: .45rem; color: var(--text); font-size: .92rem; }
.cmd h3 .ic { color: var(--accent); }
.cmd p { font-size: .8rem; color: var(--muted); flex: 1; }
.cmd.risk h3 .ic { color: var(--warn); }
.cmd.danger h3 .ic { color: var(--danger); }

.kv { display: grid; grid-template-columns: auto 1fr; gap: .45rem 1rem; font-size: .87rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-family: var(--mono); font-size: .84rem; }

/* ------------------------------------------------------------ modal / asistente */
dialog.modal {
    width: min(720px, calc(100vw - 2rem)); max-height: calc(100vh - 2rem); padding: 0; border: 1px solid var(--border-strong); border-radius: 18px;
    background: var(--modal-bg); color: var(--text); box-shadow: var(--modal-shadow);
}
dialog.modal[open] { animation: pop-in .35s var(--ease); }
dialog.modal::backdrop { background: var(--backdrop); backdrop-filter: blur(4px); animation: fade-in .25s; }
.modal-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.1rem 1.3rem; border-bottom: 1px solid var(--border); }
.modal-head h2 { display: flex; align-items: center; gap: .55rem; font-size: 1.12rem; }
.modal-head h2 .ic { color: var(--accent); }
.modal-body { padding: 1.2rem 1.3rem; overflow-y: auto; max-height: calc(100vh - 220px); }
.modal-foot { display: flex; justify-content: space-between; align-items: center; gap: .6rem; padding: 1rem 1.3rem; border-top: 1px solid var(--border); }

.stepper { display: flex; align-items: center; gap: .5rem; margin-bottom: 1.3rem; }
.stepper .st { display: flex; align-items: center; gap: .5rem; color: var(--faint); font-size: .82rem; font-weight: 600; }
.stepper .st b { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--border-strong); font-family: var(--mono); transition: all .35s var(--ease); }
.stepper .st.active { color: var(--text); }
.stepper .st.active b { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.stepper .st.done b { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.stepper .bar { flex: 1; height: 2px; background: var(--border); border-radius: 2px; overflow: hidden; }
.stepper .bar span { display: block; height: 100%; width: 0; background: var(--accent); transition: width .5s var(--ease); }
.stepper .bar.done span { width: 100%; }
.wizard-step { display: none; }
.wizard-step.active { display: block; animation: slide-in .4s var(--ease); }
.wizard-step > * + * { margin-top: 1rem; }
.secret-box { padding: 1rem; border-radius: 12px; border: 1px solid color-mix(in srgb, var(--warn) 40%, var(--border)); background: color-mix(in srgb, var(--warn) 5%, var(--panel)); }
.secret-box > * + * { margin-top: .7rem; }
.checklist { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .6rem; }
.checklist li { display: flex; gap: .75rem; padding: .75rem .85rem; border-radius: 11px; background: var(--panel); border: 1px solid var(--border); font-size: .88rem; }
.checklist li .num { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--panel-3); color: var(--accent); font: 700 .78rem var(--mono); flex: none; }
.waiting { display: flex; align-items: center; gap: 1rem; padding: 1rem; border-radius: 12px; border: 1px dashed var(--border-strong); }
.radar { position: relative; width: 46px; height: 46px; flex: none; }
.radar span { position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--accent); opacity: 0; animation: radar 2.2s infinite; }
.radar span:nth-child(2) { animation-delay: .7s; }
.radar span:nth-child(3) { animation-delay: 1.4s; }
.radar::after { content: ""; position: absolute; inset: 17px; border-radius: 50%; background: var(--accent); }
.success { text-align: center; padding: 1rem 0; }
.success-check { width: 84px; height: 84px; margin: 0 auto .8rem; }
.success-check circle { fill: none; stroke: var(--ok); stroke-width: 3; stroke-dasharray: 240; stroke-dashoffset: 240; animation: draw .7s var(--ease) forwards; }
.success-check path { fill: none; stroke: var(--ok); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 60; stroke-dashoffset: 60; animation: draw .45s .6s var(--ease) forwards; }

/* ------------------------------------------------------------ conexión */
.net-banner {
    position: fixed; top: 1rem; left: 50%; transform: translateX(-50%); z-index: 90; display: flex; align-items: center; gap: .7rem;
    max-width: min(760px, calc(100vw - 2rem)); padding: .7rem .9rem; border-radius: 12px; font-size: .88rem;
    background: var(--note-bg); border: 1px solid color-mix(in srgb, var(--warn) 60%, transparent); color: var(--warn-text); box-shadow: var(--shadow);
    animation: slide-down .4s var(--ease);
}
.net-banner .ic { color: var(--warn); flex: none; }
.net-banner span { flex: 1; }
.side-install { width: 100%; }
.server-list { display: flex; flex-direction: column; gap: .6rem; }
.server { display: grid; grid-template-columns: auto 1fr auto auto; gap: .8rem; align-items: center; padding: .75rem .9rem; border-radius: 12px; background: var(--panel); border: 1px solid var(--border); transition: border-color .3s; }
.server.current { border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); }
.server .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--faint); }
.server.ok .dot { background: var(--ok); box-shadow: 0 0 10px var(--ok); }
.server.bad .dot { background: var(--danger); }
.server.testing .dot { background: var(--warn); animation: pulse-dot 1s infinite; color: var(--warn); }
.server-url { font-family: var(--mono); font-size: .88rem; overflow-wrap: anywhere; }
.server-url small { display: block; font-family: var(--font); }
.latency { font-family: var(--mono); font-size: .82rem; color: var(--muted); min-width: 64px; text-align: right; }
.switch { display: flex; align-items: center; gap: .7rem; cursor: pointer; color: var(--text); font-weight: 500; flex-direction: row; }
.switch input { appearance: none; width: 42px; height: 24px; border-radius: 99px; background: var(--panel-3); border: 1px solid var(--border-strong); position: relative; cursor: pointer; transition: background .25s; flex: none; padding: 0; }
.switch input::after { content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: var(--muted); transition: transform .25s var(--ease), background .25s; }
.switch input:checked { background: var(--accent-soft); border-color: var(--accent); }
.switch input:checked::after { transform: translateX(18px); background: var(--accent); }
.install-hero { display: flex; gap: 1.2rem; align-items: center; }
.install-hero img { width: 72px; height: 72px; border-radius: 18px; box-shadow: 0 10px 30px -10px rgba(45, 212, 191, .6); animation: float 4s ease-in-out infinite; }
.offline-wrap { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; }
.offline-card { width: min(620px, 100%); text-align: center; animation: fade-up .6s var(--ease); }
.offline-card .radar { width: 84px; height: 84px; margin: 0 auto 1.2rem; }
.offline-card .radar::after { inset: 32px; background: var(--warn); }
.offline-card .radar span { border-color: var(--warn); }
.offline-card .server-list { text-align: left; margin: 1.2rem 0; }

/* ------------------------------------------------------------ toasts */
.toasts { position: fixed; right: 1.2rem; bottom: 1.2rem; display: flex; flex-direction: column; gap: .6rem; z-index: 100; max-width: min(420px, calc(100vw - 2rem)); }
.toast { display: flex; gap: .65rem; align-items: flex-start; padding: .8rem .95rem; border-radius: 12px; background: var(--toast-bg); border: 1px solid var(--border-strong); box-shadow: var(--shadow); font-size: .88rem; animation: toast-in .4s var(--ease); }
.toast .ic { color: var(--accent); margin-top: .1rem; }
.toast.error .ic { color: var(--danger); }
.toast.error { border-color: color-mix(in srgb, var(--danger) 45%, transparent); }
.toast.leaving { animation: toast-out .3s var(--ease) forwards; }

/* ------------------------------------------------------------ login */
.auth { min-height: 100vh; display: grid; grid-template-columns: 1.1fr 1fr; }
.auth-art { position: relative; overflow: hidden; padding: 3rem; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--border); background: var(--auth-art-bg); }
.auth-art::before { content: ""; position: absolute; inset: -50%; background-image: linear-gradient(rgba(45, 212, 191, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(45, 212, 191, .07) 1px, transparent 1px); background-size: 46px 46px; transform: perspective(600px) rotateX(55deg); animation: grid-move 18s linear infinite; mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 65%); }
.auth-art > * { position: relative; }
.auth-art h1 { font-size: 2.4rem; line-height: 1.15; max-width: 520px; margin-top: 2.5rem; }
.auth-art h1 span { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.auth-art p { color: var(--muted); max-width: 470px; margin-top: 1rem; }
.feature-list { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: .8rem; }
.feature-list li { display: flex; gap: .7rem; align-items: center; color: var(--muted); animation: fade-up .6s var(--ease) both; animation-delay: calc(var(--i, 0) * 120ms + 200ms); }
.feature-list .ic { color: var(--accent); }
.wave { height: 70px; }
.wave path { fill: none; stroke: var(--accent); stroke-width: 2; opacity: .55; stroke-dasharray: 1200; stroke-dashoffset: 1200; animation: draw 3.5s var(--ease) forwards, drift 7s ease-in-out 3.5s infinite alternate; }
.wave path + path { stroke: var(--accent-2); opacity: .35; animation-delay: .4s, 3.9s; }
.auth-form { display: grid; place-items: center; padding: 2rem; }
.auth-card { width: min(400px, 100%); animation: fade-up .6s var(--ease); }
.auth-card h2 { font-size: 1.5rem; }
.auth-card form { display: grid; gap: 1rem; margin-top: 1.6rem; }
.auth-card .callout { margin-top: 1.4rem; }
.pw-wrap { position: relative; }
.pw-wrap .icon-btn { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); }
.shake { animation: shake .45s; }

/* ------------------------------------------------------------ entrada animada */
.reveal { animation: fade-up .6s var(--ease) both; animation-delay: calc(var(--i, 0) * 70ms); }
.bump { animation: bump .6s var(--ease); }
.skeleton { position: relative; overflow: hidden; background: var(--panel-2); border-radius: 8px; color: transparent !important; }
.skeleton::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, var(--shimmer), transparent); animation: shimmer 1.4s infinite; }

@keyframes fade-up { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes slide-in { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: none; } }
@keyframes slide-down { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
@keyframes pop-in { from { opacity: 0; transform: translateY(16px) scale(.97); } to { opacity: 1; transform: none; } }
@keyframes toast-in { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: none; } }
@keyframes toast-out { to { opacity: 0; transform: translateX(30px); } }
@keyframes pulse-dot { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, currentColor 60%, transparent); } 70% { box-shadow: 0 0 0 7px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
@keyframes glow-danger { 0%, 100% { box-shadow: 0 0 0 0 rgba(244, 63, 94, 0); } 50% { box-shadow: 0 0 0 4px rgba(244, 63, 94, .18), 0 0 30px -6px rgba(244, 63, 94, .5); } }
@keyframes bump { 0% { color: var(--accent); transform: translateY(-2px); } 100% { transform: none; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shimmer { to { transform: translateX(100%); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes radar { 0% { transform: scale(.4); opacity: .9; } 100% { transform: scale(1.4); opacity: 0; } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes drift { to { transform: translateX(-20px); } }
@keyframes grid-move { to { background-position: 0 46px, 46px 0; } }
@keyframes shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* ------------------------------------------------------------ responsive */
@media (max-width: 1000px) {
    .auth { grid-template-columns: 1fr; }
    .auth-art { display: none; }
}
@media (max-width: 860px) {
    .shell { grid-template-columns: 1fr; }
    .sidebar { position: fixed; left: 0; top: 0; width: var(--sidebar-w); transform: translateX(-100%); transition: transform .35s var(--ease); box-shadow: var(--shadow); }
    .sidebar.open { transform: none; }
    .mobile-bar { display: flex; align-items: center; gap: .8rem; padding: .7rem 1rem; border-bottom: 1px solid var(--border); background: var(--panel); position: sticky; top: 0; z-index: 20; }
    .content { padding: 1.2rem 1rem 2.5rem; }
    .grid-2, .charts { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .form-grid .span-2 { grid-column: auto; }
    .node-hero { grid-template-columns: 1fr; justify-items: center; }
    .search { max-width: none; margin-left: 0; }
}

/* ------------------------------------------------------------ roles */
body[data-role="viewer"] .operator-only,
body:not([data-role="admin"]) .admin-only { display: none !important; }
body:not([data-role="viewer"]) .viewer-only { display: none !important; }

/* ------------------------------------------------------------ cambio de tema */
.theme-toggle .ic-sun { display: none; }
:root[data-theme="light"] .theme-toggle .ic-sun { display: inline; }
:root[data-theme="light"] .theme-toggle .ic-moon { display: none; }
.theme-float { position: fixed; top: 1rem; right: 1rem; z-index: 50; background: var(--panel); border: 1px solid var(--border); box-shadow: var(--shadow); }
.side-status .theme-toggle { margin-left: auto; }
.mobile-bar .theme-toggle { margin-left: auto; }
:root.theme-switching, :root.theme-switching * { transition: background-color .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease) !important; }
.auth-hero + h1 { margin-top: 0; }