/* ---------- Temas del tablero (Menu -> Tema). Se aplican sobre #app y los dialogos; la portada no cambia. ---------- */
:root {
  --topbar: #070d1c; --menu-bg: #0d1631; --card: linear-gradient(160deg, #0f1a3a 0%, #0b1430 100%); --card-sel: #12204a;
  --grid: rgba(234, 240, 255, .07); --chart-line: #3CC8F5; --chart-fill: rgba(60, 200, 245, .08);
  --app-bg: radial-gradient(1200px 600px at 20% -10%, #13224a 0%, transparent 60%), #060B17;
  --font: 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif; --num-font: inherit; --card-radius: 12px;
  --card-shadow: 0 1px 0 rgba(255, 255, 255, .03) inset, 0 8px 22px rgba(0, 0, 0, .25); --ppm-glow: none;
}
#app { min-height: 100vh; background: var(--app-bg); color: var(--ink); font-family: var(--font); }
#app .muted { color: var(--dim); }

[data-theme="claro"] :is(#app, dialog) {
  --bg0: #eef2f8; --bg1: #ffffff; --panel: #ffffff; --line: rgba(15, 27, 51, .10);
  --ink: #0f1b33; --dim: rgba(15, 27, 51, .60); --faint: rgba(15, 27, 51, .12); --navy: #1f4fbf; --accent: #0b84d8;
  --normal: #059669; --aviso: #d97706; --baja: #ea580c; --alta: #e11d48; --falla: #7c3aed; --sindato: #94a3b8;
  --topbar: #ffffff; --menu-bg: #ffffff; --card: #ffffff; --card-sel: #e8f2fd;
  --grid: rgba(15, 27, 51, .08); --chart-line: #0b6fc2; --chart-fill: rgba(11, 111, 194, .10);
  --app-bg: linear-gradient(180deg, #f5f8fc 0%, #e9eef6 100%);
  --card-shadow: 0 1px 2px rgba(15, 27, 51, .06), 0 6px 18px rgba(15, 27, 51, .07);
}
[data-theme="claro"] dialog { background: #fff; color: var(--ink); }
[data-theme="claro"] #app .menu-list { box-shadow: 0 16px 40px rgba(15, 27, 51, .18); }
[data-theme="claro"] #app .lang-pick select option { color: #111; }

[data-theme="moderno"] :is(#app, dialog) {
  --bg0: #0b0820; --bg1: #16123a; --panel: rgba(28, 22, 64, .72); --line: rgba(196, 181, 253, .14);
  --ink: #f3f0ff; --dim: rgba(225, 218, 255, .62); --faint: rgba(196, 181, 253, .16); --navy: #6d28d9; --accent: #a78bfa;
  --topbar: rgba(14, 10, 38, .85); --menu-bg: #191340; --card-sel: rgba(139, 92, 246, .26);
  --card: linear-gradient(150deg, rgba(139, 92, 246, .20) 0%, rgba(34, 211, 238, .06) 100%);
  --grid: rgba(196, 181, 253, .09); --chart-line: #22d3ee; --chart-fill: rgba(167, 139, 250, .16);
  --app-bg: radial-gradient(900px 500px at 85% -10%, rgba(34, 211, 238, .16), transparent 60%),
            radial-gradient(1000px 600px at 0% 0%, rgba(139, 92, 246, .28), transparent 60%), #0b0820;
  --card-radius: 18px; --card-shadow: 0 10px 30px rgba(10, 4, 40, .45);
}
[data-theme="moderno"] #app .panel { backdrop-filter: blur(14px); border-radius: 20px; }
[data-theme="moderno"] #app .sensor .ppm { background: linear-gradient(90deg, #fff, #c4b5fd); -webkit-background-clip: text; background-clip: text; color: transparent; }
[data-theme="moderno"] #app .sensor .ppm small { -webkit-text-fill-color: var(--dim); }

[data-theme="industrial"] :is(#app, dialog) {
  --bg0: #17191b; --bg1: #24272a; --panel: #1f2224; --line: rgba(255, 255, 255, .09);
  --ink: #e9e6df; --dim: rgba(233, 230, 223, .58); --faint: rgba(233, 230, 223, .14); --navy: #3b4148; --accent: #f5a524;
  --normal: #4ade80; --aviso: #facc15;
  --topbar: #202326; --menu-bg: #24272a; --card: linear-gradient(180deg, #2b2f33 0%, #222528 100%); --card-sel: #33302a;
  /* La curva en estado normal va blanca: el ambar del tema se confundia con el amarillo y el naranja de los niveles. */
  --grid: rgba(233, 230, 223, .08); --chart-line: #f2efe8; --chart-fill: rgba(242, 239, 232, .07);
  --app-bg: repeating-linear-gradient(0deg, rgba(255, 255, 255, .012) 0 2px, transparent 2px 4px), #17191b;
  --font: Bahnschrift, 'DIN Alternate', 'Roboto Condensed', 'Arial Narrow', sans-serif;
  --num-font: Bahnschrift, Consolas, ui-monospace, monospace; --card-radius: 3px; --radius: 4px;
  --card-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), 0 2px 0 rgba(0, 0, 0, .4);
}
[data-theme="industrial"] #app .topbar { border-bottom: 4px solid transparent;
  border-image: repeating-linear-gradient(-45deg, #f5a524 0 12px, #1b1d1f 12px 24px) 4; }
[data-theme="industrial"] #app .sensor .sname, [data-theme="industrial"] #app .zone-tab { text-transform: uppercase; letter-spacing: .06em; }
[data-theme="industrial"] #app .sensor .ppm { letter-spacing: .02em; }
[data-theme="industrial"] #app button { border-radius: 3px; }

[data-theme="neon"] :is(#app, dialog) {
  --bg0: #05010d; --bg1: #0b0518; --panel: rgba(10, 5, 24, .92); --line: rgba(0, 240, 255, .18);
  --ink: #f4ecff; --dim: rgba(230, 215, 255, .62); --faint: rgba(0, 240, 255, .16); --navy: #2a0a5e; --accent: #00f0ff;
  --normal: #39ff14; --aviso: #ffe600; --baja: #ff7b00; --alta: #ff2079; --falla: #b026ff;
  --topbar: rgba(5, 1, 13, .92); --menu-bg: #0b0518; --card: #0b0518; --card-sel: rgba(0, 240, 255, .10);
  --grid: rgba(0, 240, 255, .10); --chart-line: #00f0ff; --chart-fill: rgba(255, 32, 121, .10);
  --app-bg: radial-gradient(800px 400px at 90% 0%, rgba(255, 32, 121, .14), transparent 60%),
            radial-gradient(800px 500px at 0% 100%, rgba(0, 240, 255, .10), transparent 60%), #05010d;
  --card-radius: 10px; --card-shadow: 0 0 0 1px rgba(0, 240, 255, .14), 0 0 18px rgba(0, 240, 255, .08);
  --ppm-glow: 0 0 12px var(--c), 0 0 2px var(--c);
}
[data-theme="neon"] #app .sensor .ppm { color: #fff; }
[data-theme="neon"] #app .sensor { box-shadow: var(--card-shadow), -4px 0 14px -6px var(--c); }
[data-theme="neon"] #app .chart canvas { filter: drop-shadow(0 0 4px rgba(0, 240, 255, .55)); }
[data-theme="neon"] #app .alarm-badge { box-shadow: 0 0 16px var(--alta); }

/* Tarjetas de sensor (todas las variantes las toman del tema) */
#app .sensor {
  background: var(--card); border-radius: var(--card-radius); box-shadow: var(--card-shadow);
  transition: transform .15s ease, box-shadow .15s ease; position: relative; overflow: hidden;
}
#app .sensor:hover { transform: translateY(-2px); filter: none; }
#app .sensor.selected { background: var(--card-sel); }
#app .sensor .ppm { text-shadow: var(--ppm-glow); font-family: var(--num-font); }
.sensor .gauge { position: relative; height: 5px; border-radius: 3px; background: var(--faint); margin: 4px 0 6px; }
.sensor .gauge .g-fill { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 3px; background: var(--c); transition: width .6s ease; box-shadow: 0 0 8px var(--c); }
.sensor .gauge b { position: absolute; top: -3px; bottom: -3px; width: 2px; margin-left: -1px; background: var(--ink); opacity: .35; border-radius: 1px; }
.sensor .gauge b[hidden] { display: none; }

/* Zonas: pestanas en la barra superior */
.zone-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-left: 8px; }
.zone-tab {
  display: inline-flex; align-items: center; gap: 8px; background: transparent; border: 1px solid var(--faint);
  border-radius: 999px; padding: 6px 12px; color: var(--dim); white-space: nowrap; max-width: 280px;
}
.zone-tab:hover { color: var(--ink); filter: none; border-color: var(--accent); }
.zone-tab.on { background: var(--navy); color: #fff; border-color: transparent; }
.zone-tab .zt-name { overflow: hidden; text-overflow: ellipsis; }
.zone-tab .zt-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--normal); flex: none; }
.zone-tab.warn .zt-dot { background: var(--aviso); }
.zone-tab.hot .zt-dot { background: var(--alta); box-shadow: 0 0 8px var(--alta); }
.zone-tab .zt-count { font-size: 12px; padding: 0 7px; border-radius: 999px; background: var(--faint); }
.zone-tab.hot .zt-count { background: var(--alta); color: #fff; }
@media (max-width: 1000px) { .zone-tabs { order: 10; width: 100%; margin-left: 0; overflow-x: auto; flex-wrap: nowrap; } }

/* Menu: temas y vista del grafico */
.theme-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; }
.menu-list .theme-grid button { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 6px 4px; font-size: 12px; text-align: center; border: 1px solid transparent; }
.menu-list .theme-grid button.on { border-color: var(--accent); background: var(--faint); }
.sw { width: 30px; height: 18px; border-radius: 4px; border: 1px solid rgba(128, 128, 128, .4); display: block; }
.sw-oscuro { background: linear-gradient(135deg, #0C1530 50%, #3CC8F5 50%); }
.sw-claro { background: linear-gradient(135deg, #ffffff 50%, #0b84d8 50%); }
.sw-moderno { background: linear-gradient(135deg, #6d28d9, #22d3ee); }
.sw-industrial { background: repeating-linear-gradient(-45deg, #f5a524 0 5px, #24272a 5px 10px); }
.sw-neon { background: linear-gradient(135deg, #05010d 40%, #ff2079 40% 70%, #00f0ff 70%); }
.menu-list .look .seg button { display: inline-block; width: auto; padding: 4px 12px; border-radius: 0; text-align: center; }
.menu-list .look .seg button.on, .view-seg button.on { background: var(--navy); color: #fff; }

/* Grafico: la serie siempre visible (no se apaga desde la leyenda); 3D se gira arrastrando */
.u-legend .u-series { pointer-events: none; }
.chart3d-host canvas { display: block; cursor: grab; touch-action: none; }
.chart3d-host canvas:active { cursor: grabbing; }

/* Controles que deben leerse en cualquier tema */
#app .lang-pick { color: var(--dim); }
#app .lang-pick select { border-color: var(--faint); color: var(--ink); }
#app .seg button.on { color: #fff; }

/* Escala de grises (estilo sala de control, ISA-101): todo gris; solo los avisos y alarmas tienen color,
   para que se vean al instante. El normal va en gris (o verde apagado si se elige "Normal en verde"). */
[data-theme="gris"] :is(#app, dialog) {
  --bg0: #d4d7da; --bg1: #e6e8ea; --panel: #e9ebed; --line: rgba(0, 0, 0, .12);
  --ink: #1f2328; --dim: #5b6168; --faint: rgba(0, 0, 0, .10); --navy: #5f656c; --accent: #4b5157;
  --normal: #8a9096; --aviso: #e0a400; --baja: #ef6c00; --alta: #d32020; --falla: #ef6c00; --sindato: #a3a8ad;
  --topbar: #c9cdd1; --menu-bg: #eef0f2; --card: #eceef0; --card-sel: #fafbfc;
  --grid: rgba(0, 0, 0, .10); --chart-line: #2f3439; --chart-fill: rgba(47, 52, 57, .08);
  --app-bg: #d4d7da; --card-radius: 4px; --radius: 6px; --card-shadow: 0 0 0 1px rgba(0, 0, 0, .08); --ppm-glow: none;
}
[data-theme="gris"][data-verde] :is(#app, dialog) { --normal: #3f8f5f; }
[data-theme="gris"] dialog { background: #eef0f2; color: var(--ink); }
[data-theme="gris"] #app .sensor .gauge .g-fill { box-shadow: none; }
[data-theme="gris"] #app .sensor.selected { outline-color: #2f3439; }
/* Avisos y alarmas: la tarjeta entera se tine, el resto queda gris */
[data-theme="gris"] #app .sensor.st-aviso { background: #fbefc6; border-color: var(--aviso); }
[data-theme="gris"] #app .sensor.st-baja, [data-theme="gris"] #app .sensor.st-falla { background: #fde0c8; border-color: var(--baja); }
[data-theme="gris"] #app .sensor.st-alta { background: #f9d0d0; border-color: var(--alta); }
/* Nada rojo que no sea una alarma: simulador, conexion en vivo y origen del dato en gris */
[data-theme="gris"] #app .sensor .note.falso, [data-theme="gris"] #app .device-bar .falso {
  background: transparent; color: #3b4046; border: 1px solid #7a8087; }
[data-theme="gris"] #app .device-bar .origen.o-simulador, [data-theme="gris"] #app .sensor .sorig.o-simulador { background: var(--faint); color: var(--ink); }
[data-theme="gris"] #app .origin-filter .chip.on, [data-theme="gris"] #app .origin-filter .chip.sim.on { border-color: #5f656c; background: rgba(0, 0, 0, .08); }
[data-theme="gris"] #app .live.on, [data-theme="gris"] #app .status-dot.on { background: #5f656c; box-shadow: none; }
[data-theme="gris"] #app .status-dot.off { background: var(--aviso); }
[data-theme="gris"] #app .device-bar .sig { background: var(--faint); color: var(--ink); }
[data-theme="gris"] #app .chart-stale { color: var(--ink); background: rgba(0, 0, 0, .06); }
[data-theme="gris"] #app .zone-tab.on { background: #4b5157; }
[data-theme="gris"][data-verde] #app .live.on { background: var(--normal); }
.sw-gris { background: linear-gradient(135deg, #d4d7da 0 45%, #8a9096 45% 80%, #d32020 80%); }
.green-opt { cursor: pointer; padding-top: 4px; }

/* Lugar del sensor: subtitulo de la tarjeta y del grafico (editable por un admin) */
.sensor .sloc { color: var(--ink); opacity: .75; font-size: 13px; min-height: 1.3em; }
.sensor .sloc.none { opacity: .3; }
#chartSub { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 2px; }
#chartSub .place { color: var(--ink); font-size: 15px; font-weight: 600; }
#chartSub .place.none { color: var(--dim); font-weight: 400; font-style: italic; }
#chartSub .muted + .muted::before, #chartSub .place ~ .muted::before { content: '· '; }
.edit-place { padding: 1px 8px; font-size: 14px; line-height: 1.4; }
.place-edit { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.place-edit input { font: inherit; color: var(--ink); background: var(--bg1); border: 1px solid var(--accent); border-radius: 6px; padding: 5px 8px; min-width: 220px; }
.place-edit button { padding: 5px 10px; }

/* Recuperacion de la cuenta (login) y segundo factor */
.login-links { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-top: -4px; }
button.linkish { background: none; border: 0; padding: 2px 0; margin: 0; color: var(--accent, #3CC8F5); font: inherit; font-size: 13px; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
button.linkish:hover { filter: brightness(1.2); }
.login-help { margin: 0; font-size: 13px; line-height: 1.45; }
.login-card .ghost { margin-top: 0; }
#rsFields { display: grid; gap: 14px; }
.rec-warn { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; padding: 8px 16px; font-size: 14px;
  background: rgba(245, 158, 11, .14); color: var(--ink); border-bottom: 1px solid rgba(245, 158, 11, .45); }
.rec-warn button { padding: 4px 12px; }
@media print {
  body.printing * { visibility: hidden !important; }
  body.printing .print-me, body.printing .print-me * { visibility: visible !important; }
  body.printing .print-me { position: fixed; top: 0; left: 0; width: 100%; background: #fff; color: #000; font-size: 18px; padding-top: 3em; }
  body.printing .print-me::before { content: attr(data-title); position: absolute; top: 0; left: 14px; font: 600 14px system-ui, sans-serif; }
}