/* ==========================================================================
   Oil Pricing Game — Sistema de diseño
   Executive Seminars · paleta petróleo / bronce / áureo
   Source Serif 4 (titulares) + Source Sans 3 (cuerpo) · border-radius 0
   ========================================================================== */

:root {
  /* Neutros */
  --blanco:        #FFFFFF;
  --gris-50:       #F5F6F5;   /* fondo alterno */
  --gris-100:      #ECEEED;
  --linea:         #E1E4E2;   /* bordes/separadores */
  --texto:         #171A19;   /* texto principal */
  --texto-suave:   #5B615E;   /* texto secundario */
  --negro:         #0A0C0B;   /* CTA / bloques destacados */

  /* Acento — verde petróleo */
  --petroleo:      #0E4D45;
  --petroleo-osc:  #0A3A34;   /* hover */
  --petroleo-10:   #E6EDEC;   /* fondo tenue */

  /* Áureo — "Mejor Acuerdo Posible" (referencia áurea) */
  --aureo:         #C7A24B;
  --aureo-osc:     #A8863A;
  --aureo-10:      #F7F1E1;

  /* Colores por jugador */
  --alba:          #0E4D45;   /* petróleo */
  --alba-10:       #E6EDEC;
  --batia:         #9A4A2E;   /* bronce */
  --batia-10:      #F4EAE5;

  /* Tipografía */
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans:  "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --sombra: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);
  --sombra-alta: 0 8px 30px rgba(0, 0, 0, .10);
}

/* --- Reset ligero --- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--texto);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 .5em;
  letter-spacing: -.01em;
}
h1 { font-size: 2.6rem; }
h2 { font-size: 1.9rem; }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }
a { color: var(--petroleo); text-decoration: none; }
a:hover { color: var(--petroleo-osc); text-decoration: underline; }

.serif { font-family: var(--serif); }
.mono-num { font-variant-numeric: tabular-nums; }

/* --- Layout --- */
.contenedor { max-width: 1120px; margin: 0 auto; padding: 0 28px; }
.contenedor-ancho { max-width: 1400px; margin: 0 auto; padding: 0 28px; }
.seccion { padding: 56px 0; }
.fondo-gris { background: var(--gris-50); }
.fondo-negro { background: var(--negro); color: var(--blanco); }
.fondo-negro h1, .fondo-negro h2, .fondo-negro h3 { color: var(--blanco); }

/* --- Barra superior --- */
.barra {
  border-bottom: 1px solid var(--linea);
  background: var(--blanco);
}
.barra-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.marca {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -.01em;
  color: var(--texto);
  display: flex; align-items: center; gap: 10px;
}
.marca .dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--petroleo); display: inline-block;
}
.barra-nav { display: flex; gap: 22px; font-size: .95rem; }
.barra-nav a { color: var(--texto-suave); }
.barra-nav a:hover { color: var(--petroleo); text-decoration: none; }

/* --- Eyebrow / kicker --- */
.kicker {
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .74rem;
  font-weight: 600;
  color: var(--petroleo);
  margin-bottom: 14px;
}
.fondo-negro .kicker { color: var(--aureo); }

/* --- Botones --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--sans); font-weight: 600; font-size: 1rem;
  padding: 13px 26px;
  border: 1px solid transparent;
  border-radius: 0;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
  text-decoration: none;
  line-height: 1;
}
.btn:hover { text-decoration: none; }
.btn-primario { background: var(--negro); color: var(--blanco); }
.btn-primario:hover { background: var(--petroleo); color: var(--blanco); }
.btn-petroleo { background: var(--petroleo); color: var(--blanco); }
.btn-petroleo:hover { background: var(--petroleo-osc); color: var(--blanco); }
.btn-aureo { background: var(--aureo); color: var(--negro); }
.btn-aureo:hover { background: var(--aureo-osc); color: var(--negro); }
.btn-fantasma {
  background: transparent; color: var(--texto); border-color: var(--linea);
}
.btn-fantasma:hover { border-color: var(--texto); color: var(--texto); }
.btn-sm { padding: 8px 16px; font-size: .9rem; }
.btn-lg { padding: 16px 34px; font-size: 1.1rem; }

/* --- Tarjetas --- */
.tarjeta {
  background: var(--blanco);
  border: 1px solid var(--linea);
  padding: 28px;
  box-shadow: var(--sombra);
}
.tarjeta-plana { box-shadow: none; }

/* --- Grillas --- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 820px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  h1 { font-size: 2.1rem; }
}

/* --- Muestras de color (guía de estilo) --- */
.paleta { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0; border: 1px solid var(--linea); }
.swatch { padding: 0; border-right: 1px solid var(--linea); border-bottom: 1px solid var(--linea); }
.swatch .muestra { height: 96px; }
.swatch .info { padding: 12px 14px; background: var(--blanco); }
.swatch .nombre { font-weight: 600; font-size: .92rem; }
.swatch .hex { font-family: var(--sans); font-size: .82rem; color: var(--texto-suave); letter-spacing: .02em; text-transform: uppercase; }

/* ==========================================================================
   Matriz de pagos
   ========================================================================== */
.matriz-wrap { overflow-x: auto; }
table.matriz {
  border-collapse: collapse;
  width: 100%;
  background: var(--blanco);
}
table.matriz th, table.matriz td {
  border: 1px solid var(--linea);
  text-align: center;
  vertical-align: middle;
}
table.matriz thead th {
  background: var(--gris-50);
  font-family: var(--sans);
  font-weight: 600;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--texto-suave);
  padding: 12px;
}
table.matriz .esquina { background: var(--blanco); border: none; }
table.matriz .rotulo-col .rol { color: var(--batia); font-weight: 700; }
table.matriz .rotulo-fila {
  background: var(--gris-50);
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--texto);
  padding: 10px 16px;
  white-space: nowrap;
}
table.matriz .rotulo-fila .rol { color: var(--alba); font-weight: 700; font-size: .82rem; display: block; text-transform: uppercase; letter-spacing: .08em; }
table.matriz td.celda {
  padding: 18px 14px;
  min-width: 120px;
}
.celda .par { display: flex; align-items: baseline; justify-content: center; gap: 10px; }
.celda .p-alba, .celda .p-batia {
  font-family: var(--serif);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-size: 2rem;
  line-height: 1;
}
.celda .p-alba { color: var(--alba); }
.celda .p-batia { color: var(--batia); }
.celda .sep { color: var(--linea); font-size: 1.4rem; }
.celda.diagonal-coop { background: var(--aureo-10); }

/* Leyenda de jugadores */
.leyenda { display: flex; gap: 22px; margin: 16px 0 0; font-size: .92rem; }
.leyenda .item { display: flex; align-items: center; gap: 8px; }
.leyenda .dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.leyenda .dot-alba { background: var(--alba); }
.leyenda .dot-batia { background: var(--batia); }
.leyenda .dot-aureo { background: var(--aureo); }

/* --- Números grandes (para proyección) --- */
.num-xl { font-family: var(--serif); font-weight: 600; font-variant-numeric: tabular-nums; font-size: 3.4rem; line-height: 1; }
.num-lg { font-family: var(--serif); font-weight: 600; font-variant-numeric: tabular-nums; font-size: 2.2rem; line-height: 1; }

/* --- Etiquetas / chips --- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .78rem; font-weight: 600; letter-spacing: .04em;
  padding: 5px 12px; border: 1px solid var(--linea);
  text-transform: uppercase;
}
.chip-alba { color: var(--alba); border-color: var(--alba); background: var(--alba-10); }
.chip-batia { color: var(--batia); border-color: var(--batia); background: var(--batia-10); }
.chip-aureo { color: var(--aureo-osc); border-color: var(--aureo); background: var(--aureo-10); }

/* --- Panel plegable de instrucciones --- */
details.caso {
  border: 1px solid var(--linea);
  background: var(--gris-50);
  margin: 20px 0;
}
details.caso > summary {
  cursor: pointer; padding: 14px 20px; font-weight: 600;
  list-style: none; display: flex; align-items: center; gap: 10px;
}
details.caso > summary::-webkit-details-marker { display: none; }
details.caso > summary::before { content: "＋"; color: var(--petroleo); font-weight: 700; }
details.caso[open] > summary::before { content: "－"; }
details.caso .caso-cuerpo { padding: 0 20px 18px; }
.caso-bloque { margin-bottom: 18px; }
.caso-bloque h3 { font-size: 1.05rem; }

/* --- Utilidades --- */
.text-suave { color: var(--texto-suave); }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: 12px; } .mt-2 { margin-top: 24px; } .mt-3 { margin-top: 40px; }
.center { text-align: center; }
.pie { padding: 40px 0; border-top: 1px solid var(--linea); color: var(--texto-suave); font-size: .9rem; }

/* --- Transición de revelado (fade-in elegante) --- */
.fade-in { animation: fadeIn .5s ease both; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Hito 2 — flash, panel, participante, pantalla
   ========================================================================== */

/* --- Mensajes flash --- */
.flash { padding: 12px 18px; border: 1px solid var(--linea); margin-bottom: 10px; font-size: .95rem; }
.flash-ok { border-color: var(--petroleo); background: var(--petroleo-10); color: var(--petroleo-osc); }
.flash-error { border-color: var(--batia); background: var(--batia-10); color: var(--batia); }

/* --- Formulario genérico --- */
.campo { margin-bottom: 20px; }
.campo label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
.campo .ayuda { font-size: .85rem; color: var(--texto-suave); margin-top: 4px; }
input[type=text], input[type=number], select {
  font-family: var(--sans); font-size: 1rem; padding: 11px 13px;
  border: 1px solid var(--linea); border-radius: 0; width: 100%;
  background: var(--blanco); color: var(--texto);
}
input:focus, select:focus { outline: 2px solid var(--petroleo); outline-offset: 0; border-color: var(--petroleo); }

/* --- Links repartibles (tokens) --- */
.link-lista { display: grid; gap: 10px; }
.link-fila {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  border: 1px solid var(--linea); padding: 12px 16px; background: var(--blanco);
}
.link-fila .url { font-family: var(--sans); font-size: .85rem; color: var(--texto-suave);
  word-break: break-all; background: var(--gris-50); padding: 4px 8px; }

/* ==========================================================================
   PANEL del presentador
   ========================================================================== */
.panel-control {
  position: sticky; top: 0; z-index: 20;
  background: var(--negro); color: var(--blanco);
  padding: 16px 0; border-bottom: 1px solid #000;
}
.panel-control .contenedor-ancho { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.panel-control .estado-mes { font-family: var(--serif); font-size: 1.3rem; }
.panel-control .estado-mes .num { color: var(--aureo); }
.panel-control form { display: inline; }
.panel-control .sep-flex { flex: 1; }
.badge-estado { font-size: .74rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: 4px 10px; border: 1px solid; }
.badge-abierto { color: #7BE0A6; border-color: #2E6B49; background: #0d2a1c; }
.badge-cerrado { color: #C9CCCB; border-color: #40403f; background: #1a1a19; }

.mes-bloque { border: 1px solid var(--linea); margin-bottom: 20px; background: var(--blanco); }
.mes-bloque.es-activo { border-color: var(--petroleo); box-shadow: 0 0 0 2px var(--petroleo-10); }
.mes-head {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 14px 20px; background: var(--gris-50); border-bottom: 1px solid var(--linea);
}
.mes-head h3 { margin: 0; }
.mult-chip { font-weight: 700; color: var(--petroleo); border: 1px solid var(--petroleo);
  padding: 3px 9px; font-size: .82rem; }
.mult-chip.alto { color: var(--aureo-osc); border-color: var(--aureo); background: var(--aureo-10); }
.negoc-chip { font-size: .74rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  padding: 3px 9px; border: 1px dashed var(--batia); color: var(--batia); background: var(--batia-10); }
.modo-chip { font-size: .74rem; color: var(--texto-suave); text-transform: uppercase; letter-spacing: .06em; }

table.tablero { border-collapse: collapse; width: 100%; }
table.tablero th, table.tablero td { border: 1px solid var(--linea); padding: 10px 14px; text-align: center; }
table.tablero thead th { background: var(--blanco); font-size: .78rem; text-transform: uppercase;
  letter-spacing: .06em; color: var(--texto-suave); font-weight: 600; }
table.tablero .uni-nombre { text-align: left; font-weight: 600; }
.lado { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.lado .precio { font-size: .82rem; color: var(--texto-suave); }
.lado .util { font-family: var(--serif); font-weight: 600; font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.lado.alba .util { color: var(--alba); }
.lado.batia .util { color: var(--batia); }
.pendiente { color: #b9423f; font-size: .8rem; font-weight: 600; }
.cotizado-ok { color: var(--petroleo); font-size: .8rem; }
.rev-flag { font-size: .68rem; text-transform: uppercase; letter-spacing: .05em; }
.rev-si { color: var(--petroleo); font-weight: 700; }
.rev-no { color: var(--texto-suave); }
.rev-btns { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; }

/* ==========================================================================
   PARTICIPANTE
   ========================================================================== */
.part-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.acum-caja { border: 1px solid var(--linea); padding: 20px 24px; background: var(--gris-50); text-align: center; }
.acum-caja .rotulo { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--texto-suave); }
.mes-activo-caja { border: 2px solid var(--petroleo); padding: 24px; background: var(--petroleo-10); }
.precio-selector { display: flex; gap: 12px; flex-wrap: wrap; margin: 14px 0; }
.precio-opt input { position: absolute; opacity: 0; }
.precio-opt label {
  display: block; cursor: pointer; border: 2px solid var(--linea); background: var(--blanco);
  padding: 20px 30px; font-family: var(--serif); font-weight: 600; font-size: 2rem;
  font-variant-numeric: tabular-nums; min-width: 90px; text-align: center;
}
.precio-opt input:checked + label { border-color: var(--petroleo); background: var(--petroleo);
  color: var(--blanco); }
.precio-opt input:focus-visible + label { outline: 3px solid var(--aureo); }

table.historial { border-collapse: collapse; width: 100%; }
table.historial th, table.historial td { border: 1px solid var(--linea); padding: 9px 14px; text-align: center; }
table.historial thead th { background: var(--gris-50); font-size: .78rem; text-transform: uppercase;
  letter-spacing: .05em; color: var(--texto-suave); }
table.historial .oculto { color: var(--texto-suave); font-style: italic; }

/* ==========================================================================
   PANTALLA proyectada (alto contraste, números dominantes)
   ========================================================================== */
.proj { background: var(--blanco); min-height: 100vh; }
.proj-head { padding: 28px 40px; border-bottom: 1px solid var(--linea); display: flex;
  align-items: baseline; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.proj-head .titulo { font-family: var(--serif); font-size: 2.2rem; }
.proj-head .mes-actual { font-size: 1.4rem; color: var(--texto-suave); }
.proj-head .mes-actual .num { color: var(--petroleo); font-weight: 700; }
.proj-cuerpo { padding: 32px 40px; }
table.proj-tabla { border-collapse: collapse; width: 100%; }
table.proj-tabla th, table.proj-tabla td { border: 1px solid var(--linea); text-align: center; padding: 14px; }
table.proj-tabla thead th { font-size: 1rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--texto-suave); background: var(--gris-50); }
table.proj-tabla .uni-col { text-align: left; font-family: var(--serif); font-size: 1.3rem; font-weight: 600; }
.proj-lado { display: inline-flex; align-items: baseline; gap: 10px; }
.proj-lado .util { font-family: var(--serif); font-weight: 600; font-size: 2.6rem; font-variant-numeric: tabular-nums; line-height: 1; }
.proj-lado.alba .util { color: var(--alba); }
.proj-lado.batia .util { color: var(--batia); }
.proj-lado .precio { font-size: .95rem; color: var(--texto-suave); }
.proj-oculto { color: var(--linea); font-size: 2rem; font-family: var(--serif); }
.proj-pendiente { color: var(--texto-suave); font-size: .95rem; }

.mejor-banner {
  background: var(--aureo-10); border: 1px solid var(--aureo); border-left: 6px solid var(--aureo);
  padding: 20px 28px; margin-bottom: 26px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.mejor-banner .rotulo { font-family: var(--serif); font-size: 1.4rem; color: var(--aureo-osc); }
.mejor-banner .valor { font-family: var(--serif); font-weight: 600; font-size: 2rem; font-variant-numeric: tabular-nums; }

.ranking-tabla { border-collapse: collapse; width: 100%; }
.ranking-tabla th, .ranking-tabla td { border: 1px solid var(--linea); padding: 14px 18px; }
.ranking-tabla .puesto { font-family: var(--serif); font-size: 1.8rem; font-weight: 600; color: var(--petroleo); width: 60px; text-align: center; }
.etiqueta-patron { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; padding: 3px 10px; border: 1px solid; }
.pat-coop { color: var(--petroleo); border-color: var(--petroleo); background: var(--petroleo-10); }
.pat-destr { color: var(--batia); border-color: var(--batia); background: var(--batia-10); }
.pat-mixto { color: var(--texto-suave); border-color: var(--linea); }