:root {
  --primary: #003876; --primary-hover: #002855; --red: #CE1126; --blue: #0072CE;
  --canvas: #F4F6F9; --surface: #FFFFFF; --hover: #EDF1F7;
  --text: #1A202C; --text2: #4A5568; --border: #E2E8F0; --border-strong: #CBD5E1; --border-hover: #94A3B8;
  --s-open: #64748B; --s-open-bg: #F1F5F9; --s-prog: #0072CE; --s-prog-bg: #E0F2FE;
  --s-eval: #6D28D9; --s-eval-bg: #EDE9FE;
  --s-rev: #D97706; --s-rev-bg: #FEF3C7; --s-done: #15803D; --s-done-bg: #DCFCE7;
  --s-block: #CE1126; --s-block-bg: #FEE2E2; --s-block-solid: #CE1126;
  --shadow: 0 1px 2px rgba(0,56,118,.06), 0 1px 3px rgba(0,0,0,.04);
  --shadow-up: 0 12px 24px -4px rgba(0,56,118,.16), 0 4px 8px -2px rgba(0,0,0,.08);
  --ease: cubic-bezier(.2,0,0,1);
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  /* superficies y acentos que cambian con el tema */
  --nav: var(--primary); --accent: var(--primary); --av-text: var(--primary);
  --control: #FFFFFF; --control-hover: #F8FAFC;
  --col: #E1E6ED; --col-over: #CBD7E8; --col-block: #FBE4E7;
  --focus-ring: rgba(0,56,118,.12); --backdrop: rgba(15,23,42,.25);
  --aviso-off-border: #FCD34D; --aviso-off-text: #78350F; --aviso-conf-border: #FCA5A5; --aviso-conf-text: #7F1D1D;
  color-scheme: light;
}
/* modo oscuro: misma identidad (azul institucional), contraste ajustado para fondo oscuro */
:root[data-theme="dark"] {
  --primary: #2563B0; --primary-hover: #1D4F91; --blue: #6CB2FF;
  --canvas: #0E1520; --surface: #19222F; --hover: #243042;
  --text: #E5E9F0; --text2: #A0ACBD; --border: #2A3647; --border-strong: #3A4759; --border-hover: #56657B;
  --s-open: #A3B1C6; --s-open-bg: #263142; --s-prog: #6CB2FF; --s-prog-bg: #0F2E4D;
  --s-eval: #B9A2FB; --s-eval-bg: #2E2350;
  --s-rev: #F5B544; --s-rev-bg: #3A2A0C; --s-done: #5BD08A; --s-done-bg: #12331F;
  --s-block: #FF7A85; --s-block-bg: #3C1419; --s-block-solid: #B4232F;
  --shadow: 0 1px 2px rgba(0,0,0,.35), 0 1px 3px rgba(0,0,0,.25);
  --shadow-up: 0 12px 24px -4px rgba(0,0,0,.55), 0 4px 8px -2px rgba(0,0,0,.4);
  --nav: #0B1A30; --accent: #6CB2FF; --av-text: #BFDBFE;
  --control: #121A26; --control-hover: #1C2636;
  --col: #141C29; --col-over: #1E2E48; --col-block: #2A1519;
  --focus-ring: rgba(108,178,255,.3); --backdrop: rgba(0,0,0,.6);
  --aviso-off-border: #6B4E12; --aviso-off-text: #FCD9A0; --aviso-conf-border: #6B2229; --aviso-conf-text: #FFC9CE;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--canvas); color: var(--text); font: 400 14px/22px var(--sans); font-variant-numeric: tabular-nums; }
.mono { font: 600 12px/16px var(--mono); letter-spacing: .02em; color: var(--text2); }
h1 { font-size: 24px; line-height: 32px; font-weight: 700; letter-spacing: -.02em; margin: 0; }
h2 { font-size: 13px; line-height: 18px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--text2); margin: 0 0 12px; }

/* nav */
.nav { height: 56px; background: var(--nav); color: #fff; display: flex; align-items: center; gap: 16px; padding: 0 16px; position: sticky; top: 0; z-index: 5; }
.nav .brand { font-weight: 700; letter-spacing: -.01em; white-space: nowrap; }
.nav .brand small { font-weight: 400; opacity: .7; margin-left: 6px; }
.nav .sp { flex: 1; }
.btn-primary, .btn-secondary, .btn-ghost, .btn-red { font: 500 14px/20px var(--sans); border-radius: 6px; padding: 8px 14px; cursor: pointer; border: 1px solid transparent; transition: transform 120ms var(--ease), background 120ms, border-color 120ms; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }
.btn-red { background: var(--red); color: #fff; white-space: nowrap; }
.btn-red:hover { background: #A80D1E; transform: translateY(-1px); }
.btn-secondary { background: var(--control); color: var(--text); border-color: var(--border-strong); }
.btn-secondary:hover { border-color: var(--border-hover); background: var(--control-hover); }
.btn-ghost { background: none; color: var(--red); }
button:active { transform: scale(.98); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

/* toolbar */
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--border); }
.toolbar input, .toolbar select { flex: 1 1 180px; min-width: 0; }
input, select, textarea { font: inherit; color: var(--text); background: var(--control); border: 1px solid var(--border-strong); border-radius: 6px; padding: 7px 10px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--focus-ring); }

/* pills / progress / avatar */
.pill { display: inline-block; font-size: 12px; line-height: 20px; font-weight: 500; padding: 0 10px; border-radius: 9999px; white-space: nowrap; }
.s-open.pill { color: var(--s-open); background: var(--s-open-bg); }
.s-prog.pill { color: var(--s-prog); background: var(--s-prog-bg); }
.s-eval.pill { color: var(--s-eval); background: var(--s-eval-bg); }
.s-rev.pill  { color: var(--s-rev);  background: var(--s-rev-bg); }
.s-done.pill { color: var(--s-done); background: var(--s-done-bg); }
.s-block.pill { color: var(--s-block); background: var(--s-block-bg); }
.prog { height: 6px; border-radius: 9999px; background: var(--hover); overflow: hidden; }
.prog i { display: block; height: 100%; width: var(--w); border-radius: inherit; transition: width 300ms var(--ease); }
.s-open i { background: var(--s-open); } .s-prog i { background: var(--s-prog); } .s-eval i { background: var(--s-eval); } .s-rev i { background: var(--s-rev); } .s-done i { background: var(--s-done); } .s-block i { background: var(--s-block); }
.av { width: 24px; height: 24px; border-radius: 50%; background: var(--hover); color: var(--av-text); font-size: 10px; font-weight: 600; display: inline-grid; place-items: center; flex: none; }
.pulse { animation: pulse 180ms var(--ease); }
@keyframes pulse { 50% { transform: scale(1.05); } }

/* stat bars */
.bar { display: grid; grid-template-columns: minmax(0, 1.4fr) 2fr 28px; gap: 10px; align-items: center; font-size: 13px; margin: 6px 0; }
.bar span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text2); }
.bar i { height: 8px; border-radius: 9999px; background: linear-gradient(90deg, var(--primary) var(--w), var(--hover) var(--w)); }
.bar b { text-align: right; font-weight: 600; }

/* drawer */
.backdrop { position: fixed; inset: 0; background: var(--backdrop); z-index: 20; animation: fade 240ms; }
.backdrop.out { opacity: 0; transition: opacity 200ms; }
.drawer { position: absolute; right: 0; top: 0; bottom: 0; width: min(540px, 100%); background: var(--surface); display: flex; flex-direction: column; box-shadow: var(--shadow-up); animation: slide 240ms cubic-bezier(.16,1,.3,1); }
.drawer header, .drawer footer { display: flex; align-items: center; gap: 8px; padding: 14px 20px; border-bottom: 1px solid var(--border); }
.drawer footer { border: 0; border-top: 1px solid var(--border); }
.drawer header .x { margin-left: auto; background: none; border: 0; font-size: 18px; cursor: pointer; color: var(--text2); padding: 4px 8px; }
.drawer footer span { flex: 1; }
.drawer .body { padding: 20px; overflow-y: auto; flex: 1; display: grid; gap: 14px; align-content: start; }
.drawer fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.drawer legend { padding: 0; margin-bottom: 4px; }
.drawer label, .drawer .field { display: grid; gap: 4px; font-size: 13px; font-weight: 500; color: var(--text2); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.seg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.seg input { position: absolute; opacity: 0; width: 0; }
.seg span { display: grid; text-align: center; font-size: 12px; line-height: 16px; padding: 8px 4px; border: 1px solid var(--border-strong); border-radius: 6px; cursor: pointer; color: var(--text); transition: all 120ms var(--ease); }
.seg small { font: 600 11px var(--mono); color: var(--text2); margin-top: 2px; }
.seg input:checked + span { background: var(--primary); border-color: var(--primary); color: #fff; }
.seg input:checked + span small { color: rgba(255,255,255,.75); }
.seg .s-block span { border-style: dashed; }
.seg .s-block input:checked + span { background: var(--s-block-solid); border-color: var(--s-block-solid); }
.hist { margin: 4px 0 0; font-size: 12px; line-height: 18px; font-weight: 400; color: var(--text2); }
.hist b { font-weight: 600; }
.hist .s-block b { color: var(--s-block); }
.seg input:focus-visible + span { outline: 2px solid var(--blue); outline-offset: 2px; }
.log { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.log li { display: grid; gap: 2px; padding: 8px 12px; background: var(--canvas); border-radius: 6px; font-size: 13px; }
@keyframes slide { from { transform: translateX(100%); } }
@keyframes fade { from { opacity: 0; } }

@media (max-width: 640px) {
  .nav .brand small, .hide-sm { display: none; }
  .seg { grid-template-columns: 1fr 1fr; }
  .row2 { grid-template-columns: 1fr; }
}

/* modo sin conexión */
.aviso { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; padding: 10px 16px; font-size: 13px; line-height: 18px; border-bottom: 1px solid; }
.aviso span { flex: 1 1 300px; min-width: 0; }
.aviso small { display: block; color: var(--text2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 90ch; }
.aviso button { padding: 4px 10px; font-size: 13px; }
.aviso.off { background: var(--s-rev-bg); border-color: var(--aviso-off-border); color: var(--aviso-off-text); }
.aviso.conf { background: var(--s-block-bg); border-color: var(--aviso-conf-border); color: var(--aviso-conf-text); }
.pend { font-size: 11px; line-height: 18px; font-weight: 600; color: var(--aviso-off-text); background: var(--s-rev-bg); border-radius: 9999px; padding: 0 8px; white-space: nowrap; }