/* =====================================================================
   ICC · Sistema de Postulantes — fundamentos visuales compartidos
   Identidad tomada de icc.org.ar: Poppins (títulos), Open Sans (texto),
   azul institucional, rojo ICC como acento, grises claros.
   ===================================================================== */
:root {
  --azul: #3B579D;
  --azul-700: #2B3F78;
  --azul-900: #1E2C55;
  --azul-medio: #4F6DCD;
  --azul-50: #EEF2FB;
  --azul-100: #DDE5F7;
  --celeste: #2FB5E0;
  --turquesa: #51D2CB;
  --rojo: #CA2941;
  --rojo-700: #A81F34;
  --rojo-50: #FCEBEE;
  --texto: #2E3440;
  --texto-2: #5F6675;
  --texto-3: #8A91A0;
  --fondo: #F4F5FB;
  --superficie: #FFFFFF;
  --borde: #E3E7F2;
  --borde-2: #CFD6E6;
  --ok: #1F8A5B;
  --ok-50: #E7F6EF;
  --warn: #B26B00;
  --warn-50: #FFF4E0;
  --danger: #C0283D;
  --danger-50: #FDECEE;
  --info: #2C6FB7;
  --info-50: #E8F1FB;
  --radius: 10px;
  --radius-sm: 7px;
  --sombra-1: 0 1px 2px rgba(30, 44, 85, .06), 0 1px 1px rgba(30, 44, 85, .04);
  --sombra-2: 0 6px 24px rgba(30, 44, 85, .08), 0 2px 6px rgba(30, 44, 85, .05);
  --fuente-titulos: 'Poppins', system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
  --fuente-texto: 'Open Sans', system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
  --t: .18s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--fuente-texto);
  font-size: 15px;
  line-height: 1.55;
  color: var(--texto);
  background: var(--fondo);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--fuente-titulos); color: var(--azul-900); line-height: 1.25; margin: 0 0 .5em; font-weight: 600; }
h1 { font-size: 1.65rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 1em; }
a { color: var(--azul); text-decoration: none; }
a:hover { color: var(--rojo); }
img, svg { max-width: 100%; }
small, .small { font-size: .85em; }
.muted { color: var(--texto-2); }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.icon { width: 18px; height: 18px; flex: none; vertical-align: -3px; }
:focus-visible { outline: 3px solid rgba(79, 109, 205, .45); outline-offset: 2px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  min-height: 40px; padding: .5rem 1.05rem; border-radius: var(--radius-sm);
  border: 1px solid transparent; background: var(--azul); color: #fff;
  font: 500 .92rem/1.2 var(--fuente-titulos); cursor: pointer; text-decoration: none;
  transition: background var(--t), box-shadow var(--t), transform var(--t), color var(--t), border-color var(--t);
  white-space: nowrap;
}
.btn:hover { background: var(--azul-700); color: #fff; }
.btn:active { transform: translateY(1px); }
.btn[disabled], .btn.is-loading { opacity: .6; cursor: not-allowed; }
.btn-rojo { background: var(--rojo); }
.btn-rojo:hover { background: var(--rojo-700); }
.btn-sec { background: #fff; color: var(--azul); border-color: var(--borde-2); }
.btn-sec:hover { background: var(--azul-50); color: var(--azul-700); }
.btn-ghost { background: transparent; color: var(--texto-2); }
.btn-ghost:hover { background: var(--azul-50); color: var(--azul); }
.btn-danger { background: #fff; color: var(--danger); border-color: #F1C4CB; }
.btn-danger:hover { background: var(--danger-50); color: var(--danger); }
.btn-sm { min-height: 32px; padding: .3rem .7rem; font-size: .82rem; }
.btn-lg { min-height: 48px; padding: .7rem 1.5rem; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-icon { padding: .4rem; min-width: 36px; min-height: 36px; }

/* ---------- Formularios ---------- */
.field { display: flex; flex-direction: column; gap: .3rem; margin-bottom: 1rem; }
.field > label, .label { font: 500 .86rem var(--fuente-titulos); color: var(--azul-900); }
.req::after { content: " *"; color: var(--rojo); }
.input, select.input, textarea.input {
  width: 100%; min-height: 42px; padding: .55rem .75rem;
  border: 1px solid var(--borde-2); border-radius: var(--radius-sm); background: #fff;
  font: 400 .95rem var(--fuente-texto); color: var(--texto);
  transition: border-color var(--t), box-shadow var(--t);
}
textarea.input { min-height: 96px; resize: vertical; line-height: 1.5; }
.input:focus { border-color: var(--azul-medio); box-shadow: 0 0 0 3px rgba(79, 109, 205, .16); outline: none; }
.input.is-invalid { border-color: var(--danger); background: #FFFBFB; }
.input.is-valid { border-color: #9AD3B8; }
.field-error { color: var(--danger); font-size: .82rem; min-height: 0; }
.field-hint { color: var(--texto-3); font-size: .8rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 1rem; }
@media (max-width: 640px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }
.check { display: flex; gap: .65rem; align-items: flex-start; padding: .7rem .8rem; border: 1px solid var(--borde); border-radius: var(--radius-sm); margin-bottom: .6rem; cursor: pointer; background: #fff; transition: border-color var(--t), background var(--t); }
.check:hover { border-color: var(--borde-2); }
.check input { margin-top: .2rem; width: 18px; height: 18px; accent-color: var(--azul); flex: none; }
.check.is-invalid { border-color: var(--danger); }

/* ---------- Tarjetas, insignias, alertas ---------- */
.card { background: var(--superficie); border: 1px solid var(--borde); border-radius: var(--radius); box-shadow: var(--sombra-1); }
.card-body { padding: 1.25rem 1.35rem; }
.badge { display: inline-flex; align-items: center; gap: .3rem; padding: .16rem .55rem; border-radius: 999px; font: 600 .74rem/1.4 var(--fuente-titulos); white-space: nowrap; }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .8; }
.badge-ok { background: var(--ok-50); color: var(--ok); }
.badge-warn { background: var(--warn-50); color: var(--warn); }
.badge-danger { background: var(--danger-50); color: var(--danger); }
.badge-info { background: var(--info-50); color: var(--info); }
.badge-primary { background: var(--azul-50); color: var(--azul); }
.badge-muted { background: #EEF0F4; color: #6B7280; }
.alert { display: flex; gap: .7rem; align-items: flex-start; padding: .85rem 1rem; border-radius: var(--radius-sm); border: 1px solid; margin-bottom: 1rem; font-size: .92rem; }
.alert .icon { margin-top: 2px; }
.alert-ok { background: var(--ok-50); border-color: #BFE5D3; color: #145C3D; }
.alert-error { background: var(--danger-50); border-color: #F3C2CA; color: #8E1D2E; }
.alert-warn { background: var(--warn-50); border-color: #F5D9A8; color: #7A4A00; }
.alert-info { background: var(--info-50); border-color: #C6DCF3; color: #1D4F86; }

/* ---------- Marca ---------- */
.marca { display: inline-flex; align-items: center; gap: .65rem; color: var(--azul-900); text-decoration: none; }
.marca-sello { width: 40px; height: 40px; border-radius: 10px; background: linear-gradient(135deg, var(--azul) 0%, var(--azul-medio) 100%); display: grid; place-items: center; box-shadow: 0 2px 8px rgba(59, 87, 157, .3); flex: none; }
.marca-sello svg { width: 24px; height: 24px; }
.marca-txt { display: flex; flex-direction: column; line-height: 1.15; }
.marca-txt b { font: 600 .98rem var(--fuente-titulos); }
.marca-txt span { font-size: .74rem; color: var(--texto-2); letter-spacing: .02em; }
.marca:hover { color: var(--azul-900); }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } }