:root {
  /* Paleta extraída directamente del logo (LOGOS/Logo tiff.png): navy, azul y
     verde de marca. El logo está diseñado para fondo claro, por eso el sitio
     usa tema claro — no un navy oscuro forzado detrás de un logo pensado para
     blanco. */
  --color-bg: #f7f9fc;
  --color-bg-elevated: #eef2f8;
  --color-bg-card: #ffffff;
  --color-border: #dde4ee;
  --color-text: #0b2247;
  --color-text-muted: #5b6b85;
  --color-primary: #0080fa;
  --color-primary-hover: #0066cc;
  --color-navy: #002050;
  --color-accent: #16c46b;
  --color-accent-bright: #2bf16e;
  --color-success: #16a34a;
  --color-warning: #b45309;
  --color-danger: #dc2626;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 8px 24px rgba(11, 34, 71, 0.08);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Nav --- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-card);
}
.nav .brand { display: flex; align-items: center; }
.nav .brand img { height: 68px; width: auto; display: block; }

/* --- Íconos de línea (reemplazan los emoji) --- */
.icon { width: 20px; height: 20px; flex-shrink: 0; vertical-align: middle; color: currentColor; }
.icon-sm { width: 16px; height: 16px; }
h3 .icon, .sidebar a .icon, .btn .icon { margin-right: 8px; margin-top: -2px; }
.icon-row { display: inline-flex; align-items: center; gap: 6px; }
.nav-links { display: flex; gap: 20px; align-items: center; }
.nav-links a { color: var(--color-text-muted); font-weight: 500; }
.nav-links a:hover { color: var(--color-text); text-decoration: none; }

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
}
.btn-primary { background: var(--color-primary); color: white; }
.btn-primary:hover { background: var(--color-primary-hover); text-decoration: none; }
.btn-secondary { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); text-decoration: none; }
.btn-sm { padding: 6px 12px; font-size: 0.85rem; }
.btn-danger { background: transparent; border-color: var(--color-danger); color: var(--color-danger); }

/* --- Hero --- */
.hero { padding: 80px 0 56px; text-align: center; }
.hero h1 { font-size: 2.6rem; font-weight: 800; letter-spacing: -0.03em; margin: 0 0 16px; color: var(--color-navy); }
.hero .tagline { font-size: 1.2rem; color: var(--color-text); font-weight: 500; }
.hero .tagline strong { color: var(--color-primary); font-weight: 700; }
.hero .tagline-divider { width: 64px; height: 3px; background: var(--color-accent-bright); border-radius: 2px; margin: 14px auto 22px; }
.hero .propuesta { font-size: 1.1rem; color: var(--color-text-muted); max-width: 640px; margin: 0 auto 32px; }
.hero .cta-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* --- Vitrina pública (gancho de conversión en la landing) --- */
.vitrina-stats { display: flex; justify-content: center; gap: 56px; flex-wrap: wrap; margin: 8px 0 16px; text-align: center; }
.vitrina-stat-numero { font-size: 2.6rem; font-weight: 800; letter-spacing: -0.02em; color: var(--color-primary); line-height: 1.1; }
.vitrina-stat-label { color: var(--color-text-muted); font-size: 0.9rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; margin-top: 4px; }
.vitrina-nota { text-align: center; color: var(--color-text-muted); max-width: 560px; margin: 0 auto 28px; font-size: 0.95rem; }

/* --- Sections --- */
.section { padding: 56px 0; }
.section h2 { font-size: 1.8rem; margin-bottom: 8px; letter-spacing: -0.02em; color: var(--color-navy); }
.section .subtitle { color: var(--color-text-muted); margin-bottom: 36px; }

.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 10px; font-size: 1.1rem; color: var(--color-navy); display: flex; align-items: center; }
.card p { color: var(--color-text-muted); font-size: 0.92rem; margin: 0; }

/* --- Toggle mensual/anual --- */
.toggle-facturacion { display: flex; justify-content: center; gap: 4px; margin-bottom: 32px; background: var(--color-bg-elevated); border-radius: 100px; padding: 4px; width: fit-content; margin-left: auto; margin-right: auto; }
.toggle-opcion { border: none; background: transparent; padding: 8px 18px; border-radius: 100px; font-weight: 600; font-size: 0.9rem; color: var(--color-text-muted); cursor: pointer; display: flex; align-items: center; gap: 8px; }
.toggle-opcion.active { background: var(--color-bg-card); color: var(--color-navy); box-shadow: var(--shadow); }

/* --- Pricing --- */
.plan { display: flex; flex-direction: column; }
.plan .precio { font-size: 1.6rem; font-weight: 800; margin: 8px 0 16px; color: var(--color-navy); }
.plan .precio small { font-size: 0.85rem; color: var(--color-text-muted); font-weight: 400; }
.plan ul { list-style: none; padding: 0; margin: 0 0 20px; flex: 1; }
.plan li { padding: 6px 0; color: var(--color-text-muted); font-size: 0.9rem; border-top: 1px solid var(--color-border); }
.plan li:first-child { border-top: none; }
.plan.destacado { border-color: var(--color-primary); box-shadow: 0 8px 24px rgba(0, 128, 250, 0.15); }

/* --- Forms --- */
.form-card { max-width: 420px; margin: 60px auto; }
label { display: block; font-size: 0.85rem; color: var(--color-text-muted); margin: 16px 0 6px; }
input[type="text"], input[type="email"], input[type="password"], input[type="number"], textarea, select {
  width: 100%;
  padding: 10px 12px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.95rem;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--color-primary); }
textarea { min-height: 90px; resize: vertical; }
.form-error { color: var(--color-danger); font-size: 0.85rem; margin-top: 10px; }
.form-hint { color: var(--color-text-muted); font-size: 0.8rem; margin-top: 4px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; margin: 14px 0; }
.checkbox-row input { width: auto; }

/* --- Dashboard layout --- */
.app-shell { display: flex; min-height: calc(100vh - 67px); }
.sidebar {
  width: 220px;
  border-right: 1px solid var(--color-border);
  padding: 24px 16px;
  flex-shrink: 0;
  background: var(--color-bg-card);
}
.sidebar a {
  display: flex;
  align-items: center;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.92rem;
  margin-bottom: 2px;
}
.sidebar a .icon { color: inherit; }
.sidebar a:hover, .sidebar a.active { background: var(--color-bg-elevated); color: var(--color-primary); text-decoration: none; }
.main { flex: 1; padding: 28px 32px; max-width: 100%; overflow-x: auto; }
.main h1 { font-size: 1.5rem; margin: 0 0 4px; color: var(--color-navy); }
.main .page-subtitle { color: var(--color-text-muted); margin-bottom: 24px; }

/* --- Tables --- */
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--color-border); }
th { color: var(--color-text-muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
tr:hover td { background: var(--color-bg-elevated); }

/* --- Badges --- */
.badge { display: inline-block; padding: 2px 9px; border-radius: 100px; font-size: 0.78rem; font-weight: 700; }
.badge-alta, .badge-vale_la_pena, .badge-cumple, .badge-tienes { background: rgba(22,164,74,0.12); color: var(--color-success); }
.badge-media, .badge-revisar, .badge-verificar { background: rgba(180,83,9,0.12); color: var(--color-warning); }
.badge-baja, .badge-no_recomendado, .badge-no_cumple, .badge-falta { background: rgba(220,38,38,0.12); color: var(--color-danger); }
/* Fuente del dato (SECOP I / SECOP II) — informativo, no es un semáforo */
.badge-fuente-secop1 { background: rgba(11,34,71,0.08); color: var(--color-text-muted); }
.badge-fuente-secop2 { background: rgba(0,128,250,0.10); color: var(--color-primary); }
/* "En preparación" (Borrador) — nunca el mismo color que "vale la pena": no
   se puede ofertar todavía, es un aviso para alistarse, no una recomendación. */
.badge-preparacion { background: rgba(180,83,9,0.10); color: var(--color-warning); }
/* Estado visible (Duodécima parte) — un proceso que el usuario ya conocía
   cambió de estado en SECOP; nunca se confunde con "vale la pena". */
.badge-evaluacion { background: rgba(180,83,9,0.10); color: var(--color-warning); }
.badge-adjudicado,
.badge-cerrado { background: rgba(220,38,38,0.08); color: var(--color-danger); }

.score-pill { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; }
.score-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-alta { background: var(--color-success); }
.dot-media { background: var(--color-warning); }
.dot-baja { background: var(--color-danger); }

/* --- Checklist --- */
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--color-border); font-size: 0.9rem; }
.checklist li:last-child { border-bottom: none; }
.check-icon { flex-shrink: 0; }

/* --- Tooltip didáctico (click/tap-toggle) --- */
.tooltip-wrap { position: relative; display: inline-flex; }
.tooltip-icon {
  width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--color-border);
  background: var(--color-bg-elevated); color: var(--color-text-muted);
  font-size: 0.72rem; font-weight: 700; cursor: pointer; padding: 0; line-height: 1;
}
.tooltip-icon:hover, .tooltip-icon:focus { color: var(--color-primary); border-color: var(--color-primary); outline: none; }
.tooltip-bubble {
  display: none; position: absolute; z-index: 20; bottom: calc(100% + 8px); left: 50%;
  transform: translateX(-50%); width: 240px; max-width: 80vw; background: var(--color-navy); color: #fff;
  font-size: 0.8rem; font-weight: 400; line-height: 1.4; padding: 10px 12px; border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}
.tooltip-wrap.is-open .tooltip-bubble { display: block; }

/* --- Resumen didáctico del pliego (Jurídico/Económico/Técnico/Ponderables) --- */
.categoria-pliego { border: 1px solid var(--color-border); border-radius: var(--radius); margin-bottom: 10px; background: var(--color-bg-card); }
.categoria-pliego summary { list-style: none; cursor: pointer; padding: 12px 16px; display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--color-navy); }
.categoria-pliego summary::-webkit-details-marker { display: none; }
.categoria-pliego[open] summary { border-bottom: 1px solid var(--color-border); }
.categoria-pliego .contenido { padding: 12px 16px; }
.categoria-pliego .contenido p { margin: 6px 0; }
.categoria-pliego.categoria-atipica { border-color: var(--color-warning); }

/* Tipo de requisito (habilitante/ponderable) — NO es el semáforo cumple/no_cumple */
.badge-habilitante { background: rgba(11,34,71,0.08); color: var(--color-text-muted); }
.badge-ponderable { background: rgba(0,128,250,0.12); color: var(--color-primary); }

/* --- Chat (copiloto) --- */
.chat-box { border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-bg-card); display: flex; flex-direction: column; height: 420px; }
.chat-messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.chat-msg { max-width: 80%; padding: 10px 14px; border-radius: var(--radius-sm); font-size: 0.9rem; white-space: pre-wrap; }
.chat-msg.user { align-self: flex-end; background: var(--color-primary); color: white; }
.chat-msg.assistant { align-self: flex-start; background: var(--color-bg-elevated); }
.chat-input-row { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--color-border); }
.chat-input-row textarea { flex: 1; min-height: 40px; }

/* --- Empty state / loading --- */
.empty-state { text-align: center; padding: 50px 20px; color: var(--color-text-muted); }
.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--color-border); border-top-color: var(--color-primary); border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

footer { border-top: 1px solid var(--color-border); padding: 32px 0; color: var(--color-text-muted); font-size: 0.85rem; text-align: center; }

@media (max-width: 720px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; display: flex; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--color-border); padding: 12px 16px; gap: 4px; }
  .sidebar a { white-space: nowrap; }
  .hero h1 { font-size: 2rem; }
}