:root {
  color-scheme: light;
  --bg: #EDF1F5;
  --surface: #FFFFFF;
  --ink: #0E1726;
  --muted: #5A6678;
  --faint: #8A95A6;
  --line: #DCE3EB;
  --navy: #05162A;
  --navy-2: #0A2F52;
  --blue: #1474BC;
  --sky: #29A9E1;
  --ok: #10794F;   --ok-bg: #E2F4EA;
  --warn: #A55E0B; --warn-bg: #FCEFD9;
  --info: #1474BC; --info-bg: #E2EFFA;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(14,23,38,.06), 0 4px 14px rgba(14,23,38,.05);
  --head: 'Raleway', system-ui, sans-serif;
  --body: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 var(--body); }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; }

/* ---------- Encabezado ---------- */
.hero {
  background: radial-gradient(120% 140% at 85% 0%, #0E5C9A 0%, var(--navy-2) 35%, var(--navy) 75%);
  color: #fff; padding: 22px 16px 26px;
}
.hero .wrap { max-width: 720px; margin: 0 auto; }
.eyebrow { font: 600 12px/1 var(--head); letter-spacing: .14em; text-transform: uppercase; color: var(--sky); margin: 0 0 10px; }
.hero h1 { font: 800 30px/1.1 var(--head); margin: 0 0 4px; letter-spacing: -.01em; }
.hero .sub { margin: 0; color: #B9CBDD; font-size: 15px; }
.progreso { margin-top: 20px; }
.progreso .barra { height: 8px; border-radius: 99px; background: rgba(255,255,255,.14); overflow: hidden; }
.progreso .barra span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--sky), #6FD3A6); border-radius: 99px; transition: width .4s ease; }
.progreso .meta { display: flex; justify-content: space-between; gap: 8px; margin-top: 8px; font-size: 13px; color: #B9CBDD; flex-wrap: wrap; }
.progreso .meta b { color: #fff; font-weight: 700; }

/* ---------- Filtros ---------- */
.filtros {
  position: sticky; top: 0; z-index: 5;
  background: rgba(237,241,245,.92); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.filtros .wrap { max-width: 720px; margin: 0 auto; display: flex; gap: 8px; padding: 10px 16px; overflow-x: auto; scrollbar-width: none; }
.filtros .wrap::-webkit-scrollbar { display: none; }
.chip {
  flex: none; border: 1px solid var(--line); background: var(--surface); border-radius: 99px;
  padding: 7px 14px; font-size: 14px; font-weight: 600; color: var(--muted);
}
.chip .n { margin-left: 6px; font-weight: 700; color: var(--faint); }
.chip[aria-pressed="true"] { background: var(--navy); border-color: var(--navy); color: #fff; }
.chip[aria-pressed="true"] .n { color: var(--sky); }

main { max-width: 720px; margin: 0 auto; padding: 16px 16px 80px; }

/* ---------- Guía ---------- */
.guia { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-bottom: 16px; border-left: 4px solid var(--sky); }
.guia h2 { font: 700 16px/1.3 var(--head); margin: 0 0 8px; }
.guia ol { margin: 0; padding-left: 20px; color: var(--muted); font-size: 15px; }
.guia li { margin: 4px 0; }
.guia .cerrar { margin-top: 10px; background: none; border: 0; padding: 4px 0; color: var(--blue); font-weight: 600; font-size: 14px; }

/* ---------- Tarjeta de pieza ---------- */
.pieza { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 14px; overflow: hidden; border: 1px solid transparent; }
.pieza.st-aprobado { border-color: #BFE5D1; }
.pieza.st-cambios { border-color: #F2D2A2; }
.pieza .top { display: flex; align-items: center; gap: 8px; padding: 14px 16px 0; flex-wrap: wrap; }
.num { font: 700 12px/1 var(--head); color: var(--faint); letter-spacing: .04em; }
.fecha { font-size: 13px; font-weight: 600; color: var(--muted); }
.formato { font-size: 12px; font-weight: 700; padding: 4px 9px; border-radius: 6px; letter-spacing: .02em; }
.f-reel { background: #E6EEFC; color: #2B4FA8; }
.f-carrusel { background: #F1E8FB; color: #6A39A6; }
.f-historia { background: #FCE7EF; color: #A2315F; }
.f-post { background: #E4F3F6; color: #1D6E80; }
.f-taxosito { background: #FFF3D6; color: #8A5A00; }
.boost { font-size: 11px; font-weight: 700; padding: 3px 7px; border-radius: 6px; background: var(--navy); color: var(--sky); letter-spacing: .04em; }
.estado { margin-left: auto; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 99px; }
.estado.pendiente { background: #EEF1F5; color: var(--muted); }
.estado.aprobado { background: var(--ok-bg); color: var(--ok); }
.estado.cambios { background: var(--warn-bg); color: var(--warn); }
.estado.ajustado { background: var(--info-bg); color: var(--info); }
.pieza.para-grabar { box-shadow: inset 4px 0 0 #2BB3C0, var(--shadow); }
.grabar {
  display: flex; gap: 12px; align-items: center;
  margin: 12px 16px 0; padding: 12px 14px; border-radius: 12px;
  background: #DDF4F6; border: 1px solid #A9DFE5; color: #0B5A63;
}
.grabar .ic { flex: none; width: 38px; height: 38px; border-radius: 10px; background: #2BB3C0; color: #fff; display: grid; place-items: center; }
.grabar .ic svg { width: 22px; height: 22px; }
.grabar b { display: block; font: 800 15px/1.25 var(--head); }
.grabar span { font-size: 13px; line-height: 1.35; }
.pieza h3 { font: 700 18px/1.3 var(--head); margin: 10px 16px 4px; }

.bloque { margin: 10px 16px 0; }
.bloque .et { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--faint); margin-bottom: 4px; }
.bloque .tx { white-space: pre-line; font-size: 16px; line-height: 1.55; overflow-wrap: anywhere; }
.bloque.nota { background: #F6F8FA; border: 1px dashed #C9D2DC; border-radius: 10px; padding: 8px 12px; }
.bloque.nota .tx { font-size: 14px; color: var(--muted); font-style: italic; }

/* ---------- Acciones ---------- */
.acciones { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 16px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 10px 14px; border-radius: 12px; border: 1.5px solid var(--line);
  background: var(--surface); font-weight: 700; font-size: 15px;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn.aprobar { border-color: #9FD6BA; color: var(--ok); }
.btn.aprobar.on { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn.ajustar { border-color: #EBC28A; color: var(--warn); }
.btn.ajustar.on { background: var(--warn-bg); }
.btn.primario { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn.sec { color: var(--muted); }
.btn:disabled { opacity: .55; cursor: default; }

/* ---------- Composer ---------- */
.composer { border-top: 1px solid var(--line); padding: 14px 16px 16px; background: #FBFCFD; }
.composer label { display: block; font-size: 14px; font-weight: 700; margin-bottom: 6px; }
textarea {
  width: 100%; min-height: 96px; resize: vertical; border: 1.5px solid var(--line); border-radius: 12px;
  padding: 10px 12px; background: #fff; line-height: 1.5; font-size: 16px;
}
textarea:focus { border-color: var(--sky); outline: none; box-shadow: 0 0 0 3px rgba(41,169,225,.18); }
textarea.edit { min-height: 200px; }
.enlace { background: none; border: 0; padding: 8px 0; color: var(--blue); font-weight: 700; font-size: 14px; display: inline-flex; gap: 6px; align-items: center; }
.ayuda { font-size: 13px; color: var(--muted); margin: 4px 0 8px; }
.composer .fila { display: flex; gap: 10px; margin-top: 12px; }
.composer .fila .btn { flex: 1; }

/* ---------- Hilo ---------- */
.hilo { border-top: 1px solid var(--line); padding: 12px 16px 14px; display: grid; gap: 10px; }
.hilo .tit { font-size: 12px; font-weight: 700; color: var(--faint); text-transform: uppercase; letter-spacing: .08em; }
.msg { border-radius: 12px; padding: 10px 12px; background: #F4F6F9; font-size: 15px; }
.msg.agencia { background: var(--info-bg); margin-left: 18px; }
.msg.aprobado { background: var(--ok-bg); }
.msg .cab { display: flex; gap: 6px; align-items: baseline; flex-wrap: wrap; font-size: 13px; color: var(--muted); margin-bottom: 2px; }
.msg .cab b { color: var(--ink); }
.msg .cuerpo { white-space: pre-line; overflow-wrap: anywhere; }
.msg .tag { font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 99px; background: #fff; }
.msg .resuelto { font-size: 12px; color: var(--ok); font-weight: 700; }
details.prop { margin-top: 6px; }
details.prop summary { cursor: pointer; font-size: 13px; font-weight: 700; color: var(--blue); }
details.prop .tx { white-space: pre-line; background: #fff; border-radius: 8px; padding: 8px 10px; margin-top: 6px; font-size: 14px; overflow-wrap: anywhere; }
.diff { white-space: pre-line; background: #fff; border-radius: 8px; padding: 8px 10px; margin-top: 6px; font-size: 14px; line-height: 1.6; overflow-wrap: anywhere; }
.diff ins { background: #CFF0DD; color: #0B5A3A; text-decoration: none; border-radius: 3px; }
.diff del { background: #FBD9D6; color: #8E2A20; border-radius: 3px; }

/* ---------- Varios ---------- */
.vacio { text-align: center; color: var(--muted); padding: 40px 12px; }
.listo { background: var(--ok-bg); color: var(--ok); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 16px; font-weight: 600; }
.cargando { text-align: center; padding: 60px 0; color: var(--muted); }
#toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 30px); opacity: 0;
  background: var(--navy); color: #fff; padding: 12px 18px; border-radius: 12px; font-weight: 600; font-size: 15px;
  box-shadow: 0 8px 24px rgba(0,0,0,.2); transition: .25s ease; pointer-events: none; z-index: 50; max-width: calc(100% - 32px); text-align: center;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }
#toast.error { background: #9E2B22; }

dialog { border: 0; border-radius: 18px; padding: 22px 20px; width: min(420px, calc(100% - 32px)); box-shadow: 0 20px 60px rgba(0,0,0,.3); }
dialog::backdrop { background: rgba(5,22,42,.55); }
dialog h2 { font: 800 20px/1.25 var(--head); margin: 0 0 6px; }
dialog p { margin: 0 0 14px; color: var(--muted); font-size: 15px; }
dialog input { width: 100%; border: 1.5px solid var(--line); border-radius: 12px; padding: 12px; font-size: 16px; }
dialog input:focus { border-color: var(--sky); outline: none; }
dialog .fila { display: flex; gap: 10px; margin-top: 14px; }
dialog .fila .btn { flex: 1; }

footer { text-align: center; color: var(--faint); font-size: 12px; padding: 0 16px 30px; }

@media (min-width: 700px) {
  .hero { padding: 36px 16px 34px; }
  .hero h1 { font-size: 38px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }