/* Librería Digital CCA — componentes. Mismo diseño que ccaaduanas.com (la paleta y las tipografías están en cabecera.css). */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--gris-50); color: var(--gris-900); font: 16px/1.6 var(--sans); min-height: 100vh; display: flex; flex-direction: column; -webkit-font-smoothing: antialiased; }
main { flex: 1 0 auto; }
::selection { background: var(--celeste-500); color: #fff; }
h1, h2, h3 { font-family: var(--serif); font-weight: 900; line-height: 1.15; margin: 0 0 .5em; color: var(--navy-950); letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 4.6vw, 3rem); } h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); } h3 { font-size: 1.15rem; font-weight: 700; color: var(--navy-900); }
p { margin: 0 0 1em; } a { color: var(--celeste-600); } a:hover { color: var(--navy-800); }
img { max-width: 100%; height: auto; }
:focus-visible { outline: 3px solid var(--celeste-400); outline-offset: 2px; border-radius: 6px; }
.contenedor { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 16px; }
@media (min-width: 640px) { .contenedor { padding: 0 24px; } }
@media (min-width: 1024px) { .contenedor { padding: 0 32px; } }
.solo-lectores { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.oculto { display: none !important; }
.centro { text-align: center; } .gris { color: var(--gris-500); } .chico { font-size: .88rem; }

/* botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-weight: 700; font-size: .9rem; padding: 11px 20px; min-height: 44px; border-radius: 12px;
  border: 1px solid var(--navy-850); background: var(--navy-850); color: #fff; text-decoration: none; cursor: pointer; box-shadow: 0 1px 2px rgba(10,37,64,.15);
  transition: background .15s, transform .15s, box-shadow .15s, border-color .15s; }
.btn:hover { background: var(--navy-900); border-color: var(--navy-900); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 16px rgba(10,37,64,.2); }
.btn:active { transform: translateY(0); }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-sec { background: #fff; color: var(--gris-700); border-color: var(--gris-200); box-shadow: none; }
.btn-sec:hover { background: var(--gris-100); color: var(--navy-900); border-color: var(--gris-300); box-shadow: none; }
.btn-peligro { background: #fff; color: var(--peligro); border-color: #f2b8b5; box-shadow: none; } .btn-peligro:hover { background: var(--peligro-fondo); color: var(--peligro); border-color: var(--peligro); }
.btn-grande { padding: 15px 30px; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; border-radius: 14px; box-shadow: 0 10px 24px rgba(10,37,64,.18); }
.btn-chico { padding: 6px 12px; min-height: 36px; font-size: .84rem; border-radius: 10px; }
.btn-bloque { width: 100%; }

/* tarjetas y formularios */
.tarjeta { background: #fff; border: 1px solid var(--gris-200); border-radius: 16px; box-shadow: var(--sombra); padding: 24px; }
.campo { margin-bottom: 16px; }
.campo label { display: block; font-weight: 700; font-size: .9rem; margin-bottom: 6px; color: var(--gris-800); }
.campo input[type=text], .campo input[type=email], .campo input[type=password], .campo input[type=number], .campo input[type=search], .campo select, .campo textarea {
  width: 100%; font: inherit; padding: 11px 14px; min-height: 46px; border: 1px solid var(--gris-300); border-radius: 12px; background: #fff; color: var(--gris-900); transition: border-color .15s, box-shadow .15s; }
.campo input:focus, .campo select:focus, .campo textarea:focus { border-color: var(--celeste-500); outline: 0; box-shadow: 0 0 0 4px rgba(14,165,233,.18); }
.campo .ayuda { font-size: .84rem; color: var(--gris-500); margin-top: 5px; }
.casilla { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-size: .92rem; }
.casilla input { width: 20px; height: 20px; margin-top: 2px; flex: none; accent-color: var(--navy-850); }
.fila-pass { position: relative; } .fila-pass button { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); }
.aviso { padding: 12px 14px; border-radius: 12px; margin: 0 0 16px; font-size: .94rem; border: 1px solid; }
.aviso.ok { background: var(--ok-fondo); border-color: #b7dcb9; color: #1b5e20; }
.aviso.error { background: var(--peligro-fondo); border-color: #f2b8b5; color: #8e1b1b; }
.aviso.info { background: var(--celeste-50); border-color: var(--celeste-200); color: var(--navy-900); }
.aviso.alerta { background: var(--alerta-fondo); border-color: #f1d49b; color: var(--alerta); }
.insignia { display: inline-block; font-size: .68rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; padding: 3px 10px; border-radius: 20px; background: var(--celeste-100); color: var(--celeste-600); }
.insignia.pro { background: linear-gradient(90deg, #0284C7, #38BDF8); color: #fff; } .insignia.ok { background: var(--ok-fondo); color: var(--ok); }
.cargando { display: inline-block; width: 18px; height: 18px; border: 3px solid var(--gris-200); border-top-color: var(--celeste-500); border-radius: 50%; animation: gira .8s linear infinite; vertical-align: -3px; }
@keyframes gira { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { * { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; } }

/* avisos emergentes */
#avisos { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; width: min(92vw, 460px); }
#avisos .aviso { box-shadow: var(--sombra); margin: 0; }