/* ==================================================================
   PROYECTO MITTRIL — Hoja de estilos principal
   Sistema visual derivado de INDÍ (indi.mittril.com), refinado.
   ================================================================== */

/* ---------- 1. Tokens ---------- */
:root{
  /* Superficies: capascoldas, no planas */
  --b0:#eef1f6;          /* fondo de ventana */
  --b1:#f5f7fa;          /* fondo de contenido */
  --b2:#ffffff;          /* superficie elevada */
  --b3:#f8fafc;          /* superficie sutil */
  --b4:#eef1f6;          /* relleno / hover fuerte */
  --hv:rgba(15,23,42,.045);
  --at:rgba(37,99,235,.07);

  /* Texto */
  --t1:#0f172a; --t2:#475569; --t3:#7c8798; --t4:#a8b1bf;

  /* Bordes y líneas */
  --bc:#e3e8ef; --bl:#eff2f7;

  /* Acento */
  --ac:#2563eb; --ac2:#60a5fa; --ac3:#1d4ed8; --ag:rgba(37,99,235,.10);

  /* Semánticos */
  --gn:#059669; --gb:rgba(5,150,105,.10);
  --rd:#dc2626; --rb:rgba(220,38,38,.09);
  --gd:#d97706; --gob:rgba(217,119,6,.11);
  --bu:#0891b2; --buo:rgba(8,145,178,.10);
  --pu:#7c3aed; --puo:rgba(124,58,237,.10);

  /* Radios */
  --rs:8px; --rm:13px; --rl:18px; --rx:24px;
  --sw:268px; --th:66px;

  /* Tipografía */
  --ff:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --fm:ui-monospace,'SFMono-Regular',Consolas,'Liberation Mono',Menlo,monospace;

  /* Sombras: tres niveles coherentes */
  --sh-xs:0 1px 2px rgba(15,23,42,.04);
  --sh-sm:0 1px 2px rgba(15,23,42,.04),0 2px 6px rgba(15,23,42,.05);
  --sh-md:0 4px 12px rgba(15,23,42,.07),0 12px 28px rgba(15,23,42,.06);
  --sh-lg:0 12px 28px rgba(15,23,42,.10),0 32px 64px rgba(15,23,42,.10);
  --sh-ac:0 4px 14px rgba(37,99,235,.26);
  --sh-ac-h:0 8px 24px rgba(37,99,235,.32);
}

[data-theme=dark]{
  --b0:#08090d; --b1:#0f1117; --b2:#161923; --b3:#1b1f2b; --b4:#212634;
  --hv:rgba(255,255,255,.045); --at:rgba(96,165,250,.10);

  --t1:#e8ecf4; --t2:#9aa5b8; --t3:#6b7689; --t4:#4a5464;

  --bc:#232838; --bl:#1d2230;

  --ac:#60a5fa; --ac2:#93c5fd; --ac3:#bfdbfe; --ag:rgba(96,165,250,.14);

  --gn:#34d399; --gb:rgba(52,211,153,.13);
  --rd:#f87171; --rb:rgba(248,113,113,.13);
  --gd:#fbbf24; --gob:rgba(251,191,36,.13);
  --bu:#22d3ee; --buo:rgba(34,211,238,.12);
  --pu:#a78bfa; --puo:rgba(167,139,250,.13);

  --sh-xs:0 1px 2px rgba(0,0,0,.30);
  --sh-sm:0 1px 2px rgba(0,0,0,.34),0 2px 8px rgba(0,0,0,.28);
  --sh-md:0 4px 14px rgba(0,0,0,.40),0 14px 32px rgba(0,0,0,.32);
  --sh-lg:0 14px 34px rgba(0,0,0,.52),0 36px 72px rgba(0,0,0,.44);
  --sh-ac:0 4px 16px rgba(96,165,250,.24);
  --sh-ac-h:0 8px 26px rgba(96,165,250,.30);
}

/* ---------- 2. Base ---------- */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--ff); background:var(--b1); color:var(--t1);
  font-size:14px; line-height:1.55; -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale; text-rendering:optimizeLegibility;
  font-feature-settings:'cv11','ss01';
}
body.sin-scroll{overflow:hidden}
h1,h2,h3,h4,p{margin:0}
a{color:var(--ac);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--ac);outline-offset:2px;border-radius:6px}
::selection{background:var(--ag);color:var(--t1)}
.ic{width:18px;height:18px;fill:currentColor;flex-shrink:0;vertical-align:middle;transition:opacity .15s ease}
.oculto{display:none !important}
[hidden]{display:none !important}
.sr-solo{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Scrollbars refinadas */
.nv::-webkit-scrollbar,.ct::-webkit-scrollbar,.md-b::-webkit-scrollbar{width:7px;height:7px}
.nv::-webkit-scrollbar-thumb,.ct::-webkit-scrollbar-thumb,.md-b::-webkit-scrollbar-thumb{background:var(--bc);border-radius:99px;border:2px solid transparent;background-clip:content-box}
.nv::-webkit-scrollbar-thumb:hover,.ct::-webkit-scrollbar-thumb:hover{background:var(--t4);background-clip:content-box}
.nv,.ct,.md-b{scrollbar-width:thin;scrollbar-color:var(--bc) transparent}

/* ---------- 3. Login ---------- */
.login{
  min-height:100dvh; display:flex; align-items:center; justify-content:center;
  padding:24px 18px; position:relative; overflow:hidden;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(37,99,235,.14), transparent 58%),
    radial-gradient(760px 460px at 88% 4%, rgba(124,58,237,.11), transparent 55%),
    radial-gradient(620px 420px at 50% 108%, rgba(8,145,178,.09), transparent 60%),
    var(--b0);
}
.login::before{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:.5;
  background-image:linear-gradient(var(--bc) 1px,transparent 1px),linear-gradient(90deg,var(--bc) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(680px 420px at 50% 0%,#000,transparent 72%);
  mask-image:radial-gradient(680px 420px at 50% 0%,#000,transparent 72%);
}
.lg-c{
  position:relative; width:100%; max-width:432px; background:var(--b2);
  border:1px solid var(--bc); border-radius:var(--rx); box-shadow:var(--sh-lg);
  padding:36px 30px;
}
.lg-c::before{
  content:""; position:absolute; inset:0 0 auto; height:3px; border-radius:var(--rx) var(--rx) 0 0;
  background:linear-gradient(90deg,var(--ac),var(--pu),var(--bu));
}
.lg-marca{display:flex;align-items:center;justify-content:center;gap:11px;margin-bottom:7px}
.lg-marca img{width:40px;height:40px;filter:drop-shadow(var(--sh-sm))}
.lg-marca b{font-size:20px;font-weight:800;letter-spacing:-.5px;background:linear-gradient(120deg,var(--ac3),var(--ac),var(--pu));-webkit-background-clip:text;background-clip:text;color:transparent}
.lg-sub{text-align:center;color:var(--t3);font-size:13px;margin-bottom:24px;letter-spacing:-.1px}
.lg-nota{
  margin-top:20px;padding:12px 14px;border-radius:var(--rm);background:var(--b1);
  border:1px solid var(--bc);color:var(--t2);font-size:12.5px;line-height:1.55;text-align:left;
}
.lg-nota b{color:var(--t1);font-weight:700}
.lg-pie{margin-top:18px;text-align:center;color:var(--t4);font-size:11.5px;letter-spacing:.2px}

/* ---------- 4. Estructura ---------- */
.app{display:flex;min-height:100dvh;background:var(--b1)}

.sd{
  width:var(--sw); min-width:var(--sw); background:var(--b2);
  border-right:1px solid var(--bc); display:flex; flex-direction:column;
  z-index:100; position:sticky; top:0; height:100dvh;
}
.sb{padding:17px 18px 15px;display:flex;align-items:center;gap:11px;border-bottom:1px solid var(--bl)}
.sb img{width:31px;height:31px;border-radius:9px}
.sb em{font-style:normal;font-weight:800;font-size:15.5px;letter-spacing:-.35px;background:linear-gradient(120deg,var(--ac3),var(--ac));-webkit-background-clip:text;background-clip:text;color:transparent}

.su{display:flex;align-items:center;gap:11px;padding:13px 18px;border-bottom:1px solid var(--bl);background:var(--b3)}
.sa{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--ac),var(--pu));
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13.5px;
  color:#fff;flex-shrink:0;box-shadow:var(--sh-ac);letter-spacing:.3px;
}
.su-txt{min-width:0}
.su-txt .nm{font-size:13px;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:-.1px}
.su-txt .rl{font-size:11px;color:var(--t3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:1px}

.nv{flex:1;overflow-y:auto;padding:10px 10px 14px}
.nl{font-size:9.5px;font-weight:800;text-transform:uppercase;letter-spacing:1.1px;color:var(--t4);padding:16px 12px 6px}
.ni{
  position:relative; display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:11px;
  color:var(--t2); cursor:pointer;font-size:13px;font-weight:550;margin-bottom:1px;user-select:none;
  border:0;background:none;width:100%;text-align:left;font-family:inherit;
  transition:background .14s ease,color .14s ease;
}
.ni::before{
  content:""; position:absolute; left:-10px; top:50%; transform:translateY(-50%) scaleY(0);
  width:3px; height:20px; border-radius:0 3px 3px 0; background:var(--ac);
  transition:transform .18s cubic-bezier(.4,0,.2,1);
}
.ni:hover{background:var(--hv);color:var(--t1);text-decoration:none}
.ni.act{background:var(--at);color:var(--ac);font-weight:650}
.ni.act::before{transform:translateY(-50%) scaleY(1)}
.ni .ic{opacity:.65}
.ni:hover .ic{opacity:.9}
.ni.act .ic{opacity:1}
.ni .bd{margin-left:auto;background:var(--ag);color:var(--ac);font-size:10px;font-weight:800;padding:2px 7px;border-radius:6px;letter-spacing:.2px}

.sf{padding:10px 10px 14px;border-top:1px solid var(--bl);margin-top:6px}
.lb{
  display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:11px;color:var(--t3);
  font-size:12.5px;font-weight:550;background:none;border:0;font-family:inherit;width:100%;
  cursor:pointer;text-align:left;transition:background .14s ease,color .14s ease;
}
.lb:hover{background:var(--rb);color:var(--rd)}
.lb .ic{opacity:.6}

.mn{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}
.tb{
  height:var(--th);display:flex;align-items:center;gap:12px;padding:0 24px;border-bottom:1px solid var(--bc);
  background:color-mix(in srgb,var(--b2) 88%,transparent); flex-shrink:0;position:sticky;top:0;z-index:20;
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
}
.tb h2{font-size:15px;font-weight:650;letter-spacing:-.25px;white-space:nowrap}
.tb h2 span{color:var(--ac)}
.tb .sub{font-size:11.5px;color:var(--t3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sp{flex:1}
.mt{display:none;background:none;border:0;color:var(--t2);cursor:pointer;padding:6px;border-radius:10px}
.mt:hover{background:var(--hv)}
.mt .ic{width:22px;height:22px}
.tt{
  background:var(--b2);border:1px solid var(--bc);color:var(--t2);cursor:pointer;width:36px;height:36px;
  border-radius:11px;display:flex;align-items:center;justify-content:center;
  transition:background .14s ease,border-color .14s ease,transform .14s ease;
}
.tt:hover{background:var(--b4);border-color:var(--t4);transform:translateY(-1px)}
.ct{flex:1;overflow-y:auto;padding:26px 28px 64px}
.ct > *{max-width:1240px;margin-left:auto;margin-right:auto}

/* ---------- 5. Contenido ---------- */
.sh{font-size:22px;font-weight:750;margin-bottom:6px;letter-spacing:-.6px;line-height:1.2}
.sh span{color:var(--ac)}
.st-b{color:var(--t3);font-size:13px;margin:0 0 22px;line-height:1.6}

.sr{display:grid;grid-template-columns:repeat(auto-fit,minmax(172px,1fr));gap:15px;margin-bottom:24px}
.st{
  position:relative; background:var(--b2);border:1px solid var(--bc);border-radius:var(--rl);
  padding:17px 19px; box-shadow:var(--sh-sm); overflow:hidden;
  transition:transform .2s cubic-bezier(.4,0,.2,1),box-shadow .2s ease,border-color .2s ease;
}
.st::before{
  content:""; position:absolute; inset:0 0 auto; height:3px; background:var(--ac);
  opacity:.9;
}
.st:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:var(--t4)}
.st.c1::before{background:linear-gradient(90deg,var(--ac),var(--ac2))}
.st.c2::before{background:linear-gradient(90deg,var(--gn),#34d399)}
.st.c3::before{background:linear-gradient(90deg,var(--gd),#fbbf24)}
.st.c4::before{background:linear-gradient(90deg,var(--bu),#22d3ee)}
.st.c5::before{background:linear-gradient(90deg,var(--pu),#a78bfa)}
.st.c6::before{background:linear-gradient(90deg,#64748b,#94a3b8)}
.st .sl{font-size:10.5px;color:var(--t3);font-weight:700;text-transform:uppercase;letter-spacing:.7px}
.st .sv{font-size:28px;font-weight:800;margin:6px 0 2px;letter-spacing:-1.2px;line-height:1;font-variant-numeric:tabular-nums}
.st .ss{font-size:11.5px;color:var(--t4)}

.sg{background:var(--b2);border:1px solid var(--bc);border-radius:var(--rl);padding:22px 24px;margin-bottom:18px;box-shadow:var(--sh-sm)}
.sg h3{font-size:15px;font-weight:650;margin-bottom:15px;display:flex;align-items:center;gap:9px;letter-spacing:-.2px}
.sg h3 .ic{color:var(--ac)}
.sgh{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:15px}
.sgh h3{margin:0}
.duo{display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:18px;align-items:start}

/* ---------- 6. Avisos ---------- */
.aviso{
  display:flex;gap:13px;align-items:flex-start;border:1px solid var(--bc);border-left-width:4px;
  border-radius:var(--rm);padding:15px 17px;margin-bottom:18px;background:var(--b2);box-shadow:var(--sh-xs);
}
.aviso .ic{width:20px;height:20px;margin-top:1px;flex-shrink:0}
.aviso .a-t{font-size:13.5px;font-weight:700;margin-bottom:3px;letter-spacing:-.1px}
.aviso .a-c{font-size:12.8px;color:var(--t2);line-height:1.6}
.aviso .a-c b{color:var(--t1);font-weight:650}
.a-info{border-left-color:var(--bu)} .a-info .ic{color:var(--bu)}
.a-ok{border-left-color:var(--gn)} .a-ok .ic{color:var(--gn)}
.a-aviso{border-left-color:var(--gd)} .a-aviso .ic{color:var(--gd)}
.a-err{border-left-color:var(--rd)} .a-err .ic{color:var(--rd)}
.aviso .btn{margin-top:10px}

/* ---------- 7. Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:10px;
  font-size:13px;font-weight:650;font-family:inherit;cursor:pointer;border:0;line-height:1.2;
  letter-spacing:-.1px;white-space:nowrap;
  transition:transform .14s ease,filter .14s ease,box-shadow .14s ease,background .14s ease;
}
.btn:hover{transform:translateY(-1px);text-decoration:none}
.btn:active{transform:none}
.btn[disabled],.btn[aria-disabled=true]{opacity:.5;cursor:not-allowed;transform:none}
.btn-p{background:linear-gradient(135deg,var(--ac),var(--ac2));color:#fff;box-shadow:var(--sh-ac)}
.btn-p:hover{box-shadow:var(--sh-ac-h);filter:saturate(1.1)}
.btn-s{background:var(--b2);color:var(--t2);border:1px solid var(--bc);box-shadow:var(--sh-xs)}
.btn-s:hover{background:var(--b4);border-color:var(--t4);color:var(--t1)}
.btn-gn{background:var(--gb);color:var(--gn)}
.btn-gn:hover{background:color-mix(in srgb,var(--gn) 18%,transparent)}
.btn-rd{background:var(--rb);color:var(--rd)}
.btn-rd:hover{background:color-mix(in srgb,var(--rd) 16%,transparent)}
.btn-sm{padding:6px 11px;font-size:12px;border-radius:9px;font-weight:600}
.btn-sm .ic{width:14px;height:14px}
.btn-blk{width:100%}
.link{background:none;border:0;padding:0;font:inherit;color:var(--ac);cursor:pointer;text-align:left;font-weight:600}
.link:hover{text-decoration:underline}

/* ---------- 8. Tablas ---------- */
.tbl-w{overflow-x:auto;border-radius:var(--rl);border:1px solid var(--bc);background:var(--b2);box-shadow:var(--sh-xs)}
table{width:100%;border-collapse:separate;border-spacing:0;font-size:13px;min-width:640px}
th{
  text-align:left;padding:11px 14px;font-weight:700;color:var(--t3);font-size:10px;
  text-transform:uppercase;letter-spacing:.8px;border-bottom:1px solid var(--bc);
  background:var(--b3);white-space:nowrap;position:sticky;top:0;z-index:2;
}
td{padding:12px 14px;border-bottom:1px solid var(--bl);color:var(--t1);vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr{transition:background .12s ease}
tbody tr:hover td{background:var(--at)}
td .sub{display:block;font-size:11.5px;color:var(--t3);margin-top:2px}
td .nowrap{white-space:nowrap}
.fila-btn{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.pg{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;flex-wrap:wrap;color:var(--t3);font-size:12.5px}

/* ---------- 9. Distintivos ---------- */
.b{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:7px;font-size:10.5px;font-weight:750;white-space:nowrap;letter-spacing:.3px;text-transform:uppercase}
.b-borrador{background:var(--b4);color:var(--t2)}
.b-enviado{background:var(--ag);color:var(--ac)}
.b-revision{background:var(--gob);color:var(--gd)}
.b-aprobado{background:var(--gb);color:var(--gn)}
.b-rechazado{background:var(--rb);color:var(--rd)}
.b-archivado{background:var(--b4);color:var(--t3)}
.b-neutro{background:var(--b4);color:var(--t2)}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;color:var(--t2)}
.punto{width:8px;height:8px;border-radius:50%;flex-shrink:0;box-shadow:0 0 0 3px color-mix(in srgb,currentColor 18%,transparent)}
.tag{font-size:10px;font-weight:750;text-transform:uppercase;letter-spacing:.5px;padding:3px 8px;border-radius:6px;background:var(--b4);color:var(--t2)}
.tag-ren{background:var(--ag);color:var(--ac)}
.tag-init{background:var(--gb);color:var(--gn)}

/* ---------- 10. Formularios ---------- */
.fm{display:grid;grid-template-columns:repeat(auto-fit,minmax(232px,1fr));gap:15px}
.fg{display:flex;flex-direction:column;gap:5px}
.fg.span2,.fm .span2{grid-column:1/-1}
.fg label{font-size:11.5px;font-weight:700;color:var(--t2);letter-spacing:.3px;text-transform:uppercase}
.fg input,.fg select,.fg textarea{
  padding:10px 13px;border-radius:10px;border:1px solid var(--bc);background:var(--b1);color:var(--t1);
  font-family:inherit;font-size:13px;width:100%;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease;
}
.fg input:hover,.fg select:hover,.fg textarea:hover{border-color:var(--t4)}
.fg input:focus,.fg select:focus,.fg textarea:focus{outline:none;border-color:var(--ac);box-shadow:0 0 0 3px var(--ag);background:var(--b2)}
.fg input::placeholder,.fg textarea::placeholder{color:var(--t4)}
.fg textarea{resize:vertical;min-height:78px;line-height:1.55}
.fg .ayuda{font-size:11.5px;color:var(--t3);line-height:1.45}
.fg .error{font-size:11.5px;color:var(--rd);font-weight:650}
.fg select option{background:var(--b2);color:var(--t1)}
.fg .check{flex-direction:row;align-items:center;gap:8px}
.fg .check input{width:auto}
.fm-actions{grid-column:1/-1;display:flex;gap:9px;justify-content:flex-end;margin-top:8px;flex-wrap:wrap}
.nota{grid-column:1/-1;font-size:12px;color:var(--t3);line-height:1.55;background:var(--b1);border:1px solid var(--bc);border-radius:var(--rm);padding:11px 13px;margin:0}
.nota b{color:var(--t1)}
.filtros{display:grid;grid-template-columns:minmax(160px,2fr) repeat(auto-fit,minmax(132px,1fr)) auto;gap:10px;align-items:end;margin-bottom:18px}
.filtros .fg{gap:4px}
.filtros .fm-actions{margin:0;justify-content:flex-start;grid-column:auto}
.pg-bar{grid-column:1/-1}

/* Progreso de subida */
.prog{display:flex;align-items:center;gap:11px;margin-top:6px}
.prog .pb{flex:1;height:8px;border-radius:99px;background:var(--b4);overflow:hidden;box-shadow:inset 0 1px 2px rgba(15,23,42,.06)}
.prog .pb i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--ac),var(--ac2));transition:width .2s ease}
.prog .pt{font-size:12px;font-weight:700;color:var(--t2);white-space:nowrap;min-width:116px;text-align:right;font-variant-numeric:tabular-nums}
.pg-espera{background:linear-gradient(90deg,var(--ac),var(--ac2),var(--ac));background-size:200% 100%;animation:brindis 1.1s linear infinite}
@keyframes brindis{to{background-position:-200% 0}}

/* ---------- 11. Modal ---------- */
#modal{
  position:fixed;inset:0;background:rgba(8,15,30,.6);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  z-index:1000;display:flex;align-items:center;justify-content:center;padding:18px;animation:aparece .16s ease;
}
#modal[hidden]{display:none}
.md-c{
  background:var(--b2);border:1px solid var(--bc);border-radius:var(--rx);width:100%;max-width:640px;
  max-height:88dvh;display:flex;flex-direction:column;box-shadow:var(--sh-lg);animation:sube .2s cubic-bezier(.4,0,.2,1);
}
.md-c.ancho{max-width:780px}
.md-h{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:17px 22px;border-bottom:1px solid var(--bc);background:var(--b3);border-radius:var(--rx) var(--rx) 0 0}
.md-h h3{font-size:15.5px;font-weight:700;letter-spacing:-.25px}
.md-h button{background:none;border:0;font-size:24px;line-height:1;color:var(--t3);cursor:pointer;padding:0 5px;border-radius:7px;transition:color .14s ease,background .14s ease}
.md-h button:hover{color:var(--rd);background:var(--rb)}
.md-b{padding:22px;overflow-y:auto}
@keyframes aparece{from{opacity:0}to{opacity:1}}
@keyframes sube{from{opacity:0;transform:translateY(16px) scale(.985)}to{opacity:1;transform:none}}

/* ---------- 12. Toasts ---------- */
.toasts{position:fixed;bottom:22px;right:22px;display:flex;flex-direction:column;gap:9px;z-index:2000;max-width:min(380px,calc(100vw - 44px))}
.toast{
  padding:12px 18px;border-radius:12px;font-size:13px;font-weight:650;color:#fff;
  box-shadow:var(--sh-lg);animation:entra .25s cubic-bezier(.4,0,.2,1);line-height:1.45;
}
.toast.ok{background:var(--gn)} .toast.err{background:var(--rd)} .toast.info{background:var(--ac)}
.toast.sal{opacity:0;transform:translateY(12px);transition:all .3s ease}
@keyframes entra{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- 13. Vacíos y carga ---------- */
.empty{text-align:center;padding:44px 20px;color:var(--t3)}
.empty .ic{width:42px;height:42px;fill:var(--t4);margin-bottom:12px;opacity:.85}
.empty p{font-size:13.5px;line-height:1.65;max-width:540px;margin:0 auto}
.empty p b{color:var(--t2);font-weight:650}
.empty .btn{margin-top:16px}
.ldr{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:var(--t3);font-size:13px}
.lds{width:32px;height:32px;border:3px solid var(--bc);border-top-color:var(--ac);border-radius:50%;animation:gira .7s linear infinite;margin-bottom:12px}
@keyframes gira{to{transform:rotate(360deg)}}

/* ---------- 14. Detalle de proyecto ---------- */
.pv-cab{background:var(--b2);border:1px solid var(--bc);border-radius:var(--rl);padding:22px 24px;margin-bottom:18px;box-shadow:var(--sh-sm)}
.pv-tit{font-size:21px;font-weight:750;letter-spacing:-.5px;line-height:1.28;margin:7px 0 11px}
.pv-tags{display:flex;gap:7px;flex-wrap:wrap;align-items:center}
.pv-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:12px;margin-top:18px}
.pv-meta div{background:var(--b1);border:1px solid var(--bc);border-radius:var(--rm);padding:12px 14px}
.pv-meta span{display:block;font-size:10px;font-weight:750;text-transform:uppercase;letter-spacing:.6px;color:var(--t3);margin-bottom:4px}
.pv-meta b{font-size:13.5px;font-weight:650;word-break:break-word}
.pv-meta-x{display:block;font-style:normal;font-size:11.5px;color:var(--t3);margin-top:3px;font-weight:500;word-break:break-all}
.pv-acciones{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;padding-top:18px;border-top:1px solid var(--bl)}
.pv-resumen{font-size:13.2px;color:var(--t2);line-height:1.65;margin-top:16px;white-space:pre-wrap}
.rev-nota{background:var(--gob);border-radius:var(--rm);padding:13px 15px;margin-top:16px;font-size:13px;color:var(--t2);line-height:1.55}
.rev-nota b{color:var(--t1)}
.rev-nota.malo{background:var(--rb)}
.migas{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--t3);margin-bottom:4px;font-weight:550}

/* ---------- 15. Historial de versiones (estilo commit) ---------- */
.tl{list-style:none;margin:0;padding:2px 0 2px 2px}
.tl-i{position:relative;display:flex;gap:15px;padding-bottom:14px}
.tl-i:last-child{padding-bottom:0}
.tl-eje{flex-shrink:0;width:36px;display:flex;justify-content:center;position:relative}
.tl-eje::before{
  content:""; position:absolute; top:34px; bottom:-14px; width:2px;
  background:linear-gradient(180deg,var(--bc),color-mix(in srgb,var(--bc) 40%,transparent));
}
.tl-i:last-child .tl-eje::before{display:none}
.tl-nodo{
  width:36px;height:36px;border-radius:50%;background:var(--b2);border:2px solid var(--bc);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:var(--t3);
  position:relative;z-index:1;flex-shrink:0;letter-spacing:-.3px;
  box-shadow:var(--sh-xs);transition:transform .16s ease,border-color .16s ease;
}
.tl-i:hover .tl-nodo{transform:scale(1.06)}
.tl-nodo.on{
  background:linear-gradient(135deg,var(--gn),#10b981);border-color:transparent;color:#fff;
  box-shadow:0 6px 18px rgba(5,150,105,.38);
}
.tl-c{
  flex:1;min-width:0;background:var(--b2);border:1px solid var(--bc);border-radius:var(--rl);
  padding:15px 17px;box-shadow:var(--sh-xs);
  transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease;
}
.tl-i:hover .tl-c{box-shadow:var(--sh-sm);transform:translateX(2px)}
.tl-i.es-actual .tl-c{border-color:color-mix(in srgb,var(--gn) 45%,var(--bc));box-shadow:0 0 0 1px color-mix(in srgb,var(--gn) 22%,transparent),var(--sh-xs)}
.tl-i.es-actual:hover .tl-c{box-shadow:0 0 0 1px color-mix(in srgb,var(--gn) 32%,transparent),var(--sh-sm)}

.tl-h{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.tl-v{font-size:14.5px;font-weight:800;letter-spacing:-.3px}
.tl-sha{
  font-family:var(--fm);font-size:11px;background:var(--b4);color:var(--t3);padding:3px 8px;border-radius:6px;
  margin-left:auto;letter-spacing:.5px;cursor:help;transition:background .14s ease,color .14s ease;
}
.tl-sha:hover{background:var(--ag);color:var(--ac)}
.tl-com{font-size:13.4px;line-height:1.6;margin:9px 0 0;color:var(--t1);white-space:pre-wrap;word-break:break-word;font-weight:500}
.tl-f{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:12px;color:var(--t3);margin-top:10px}
.tl-f .ic{width:14px;height:14px;opacity:.7}

.tl-diff{
  display:inline-flex;align-items:center;gap:7px;font-family:var(--fm);font-size:11.5px;font-weight:700;
  padding:3px 9px;border-radius:7px;background:var(--b4);color:var(--t2);
}
.d-mas{color:var(--gn)} .d-menos{color:var(--rd)} .d-pct{color:var(--t3);font-weight:650}
.d-igual{color:var(--t3);font-weight:650}
.tl-a{display:flex;gap:6px;flex-wrap:wrap;margin-top:13px;padding-top:13px;border-top:1px dashed var(--bc)}
.tl-vacia{font-size:12px;color:var(--t4);padding:2px 0}

/* ---------- 16. Actividad ---------- */
.act{display:flex;gap:13px;align-items:flex-start;padding:13px 2px;border-bottom:1px solid var(--bl)}
.act:last-child{border-bottom:0}
.av{width:36px;height:36px;border-radius:12px;background:var(--ag);color:var(--ac);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12.5px;flex-shrink:0;letter-spacing:.2px}
.act-i{flex:1;min-width:0}
.act-i b{font-size:13px;font-weight:650}
.act-i p{margin:3px 0 0;font-size:12.5px;color:var(--t2);line-height:1.55;word-break:break-word}
.act-i .mini{display:block;font-size:11.5px;color:var(--t4);margin-top:3px}

/* ---------- 17. Cuenta ---------- */
.perfil{display:flex;align-items:center;gap:15px;flex-wrap:wrap}
.perfil .av-gr{
  width:58px;height:58px;border-radius:18px;background:linear-gradient(135deg,var(--ac),var(--pu));
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:22px;
  flex-shrink:0;box-shadow:var(--sh-ac);letter-spacing:.5px;
}
.clave-gen{
  font-family:var(--fm);font-size:19px;font-weight:700;letter-spacing:1.2px;background:var(--b1);
  border:1px dashed var(--ac);border-radius:var(--rm);padding:13px 15px;text-align:center;
  word-break:break-all;margin:11px 0;box-shadow:inset 0 0 0 4px var(--ag);
}
.datos{display:grid;grid-template-columns:repeat(auto-fit,minmax(152px,1fr));gap:12px}
.datos div{background:var(--b1);border:1px solid var(--bc);border-radius:var(--rm);padding:12px 14px}
.datos span{display:block;font-size:10px;font-weight:750;text-transform:uppercase;letter-spacing:.6px;color:var(--t3);margin-bottom:4px}
.datos b{font-size:13.5px;word-break:break-word;font-weight:650}

/* ---------- 18. Responsive ---------- */
.overlay{display:none;position:fixed;inset:0;background:rgba(8,15,30,.45);z-index:99;backdrop-filter:blur(2px)}
@media(max-width:860px){
  .sd{position:fixed;left:0;top:0;transform:translateX(-100%);transition:transform .26s cubic-bezier(.4,0,.2,1);box-shadow:var(--sh-lg)}
  .sd.abierto{transform:none}
  .sd.abierto ~ .overlay{display:block}
  .mt{display:flex;align-items:center;justify-content:center}
  .tb{padding:0 14px}
  .tb .sub{display:none}
  .ct{padding:18px 14px 72px}
  .sr{grid-template-columns:repeat(auto-fit,minmax(146px,1fr));gap:12px}
  .sg{padding:17px}
  .st .sv{font-size:23px}
  .sh{font-size:19px}
  .md-c{max-width:none;border-radius:var(--rl)}
  .tl-i{gap:11px}
  .tl-eje{width:30px}
  .tl-nodo{width:30px;height:30px;font-size:11px}
  .tl-eje::before{top:29px}
  .tl-sha{margin-left:0}
  .toasts{left:14px;right:14px;bottom:14px;max-width:none}
  .filtros{grid-template-columns:1fr}
  .ct > *{max-width:none}
}
@media(max-width:420px){
  .lg-c{padding:26px 18px}
  .pv-cab{padding:17px}
  .pv-tit{font-size:18px}
  .tl-c{padding:13px}
}

/* ---------- 19. Preferencias ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}
@media print{
  .sd,.tb,.toasts,#modal,.overlay,.sb,.sf{display:none !important}
  .ct{overflow:visible;padding:0;max-width:none}
  .sg,.pv-cab,.tbl-w,.st{box-shadow:none;border:1px solid #d5dae2;break-inside:avoid}
  body{background:#fff;color:#0f172a}
  .tl-c{break-inside:avoid}
}