/* CESCAC UI v1 — tokens y componentes compartidos.
   Fuente de verdad: los tokens de login.php e index.php.
   Opt-in: las reglas pesadas viven bajo .c-ui; sin esa clase, solo aplican foco visible y reduced-motion.
   Breakpoints (no admiten var()): 480 / 768 / 1024. */

:root {
  --c-verde: #025338;        /* primario: botones con texto blanco, encabezados */
  --c-verde-2: #03734f;      /* hover y estado medio */
  --c-brand: #18984b;        /* acento: bordes, iconos, texto grande. NO texto blanco pequeño (3.7:1) */
  --c-verde-osc: #013d2a;
  --c-bg: #f4f6f5;
  --c-card: #fff;
  --c-line: #e5e9e7;
  --c-text: #1f2933;
  --c-muted: #586579;        /* 5.4:1 sobre fondo y sobre soft */
  --c-ghost: #025338;        /* texto del botón secundario */
  --c-field-bd: #6b7a90;     /* borde de campo: 4.4:1 sobre blanco (WCAG 1.4.11) */
  --c-soft: #eef6f1;
  --c-chip: #eef1ef;
  --c-chip-t: #475569;
  --c-ok-bg: #d4edda;   --c-ok: #155724;
  --c-warn-bg: #fff3cd; --c-warn: #856404;
  --c-bad-bg: #f8d7da;  --c-bad: #721c24;
  --c-wa: #25d366;           /* solo botón de WhatsApp; texto encima: #0f172a */
  --c-r-1: 8px; --c-r-2: 12px; --c-r-3: 16px; --c-r-pill: 999px;
  --c-s-1: 4px; --c-s-2: 8px; --c-s-3: 12px; --c-s-4: 16px; --c-s-5: 24px;
  --c-shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .06);
  --c-focus: #0b5ed7;
  --c-tap: 44px;
  --c-font: "Source Sans 3", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --c-font-head: "Lexend", "Source Sans 3", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}
:root[data-theme=dark] {
  --c-bg: #0e1512; --c-card: #16201b; --c-line: #24332c; --c-text: #e6efe9; --c-muted: #9db0a6;
  --c-soft: #1b2a23; --c-chip: #22302a; --c-chip-t: #c3d2ca;
  --c-ok-bg: #12301d; --c-ok: #8fe0a8; --c-warn-bg: #3a3012; --c-warn: #f5d77a; --c-bad-bg: #3a1a1d; --c-bad: #f1a1a8;
  --c-focus: #7db3ff; --c-ghost: #8fe0a8; --c-field-bd: #5f7a6c;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme=light]) {
    --c-bg: #0e1512; --c-card: #16201b; --c-line: #24332c; --c-text: #e6efe9; --c-muted: #9db0a6;
    --c-soft: #1b2a23; --c-chip: #22302a; --c-chip-t: #c3d2ca;
    --c-ok-bg: #12301d; --c-ok: #8fe0a8; --c-warn-bg: #3a3012; --c-warn: #f5d77a; --c-bad-bg: #3a1a1d; --c-bad: #f1a1a8;
    --c-focus: #7db3ff; --c-ghost: #8fe0a8; --c-field-bd: #5f7a6c;
  }
}

/* ---- siempre activo: accesibilidad que no cambia el diseño ---- */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--c-focus);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important; animation-delay: 0s !important;
    transition-duration: .01ms !important; transition-delay: 0s !important; scroll-behavior: auto !important;
  }
}
@media (forced-colors: active) { :focus-visible { outline-color: Highlight; } }

/* ---- opt-in: <body class="c-ui"> ---- */
.c-ui { font-family: var(--c-font); font-size: 1.0625rem; line-height: 1.5; color: var(--c-text); background-color: var(--c-bg); }
.c-ui input, .c-ui select, .c-ui textarea { font-size: 16px; } /* iOS no hace zoom */
.c-ui :where(button, .c-btn, select, textarea, input:not([type=checkbox], [type=radio], [type=hidden])) { min-height: var(--c-tap); }
.c-ui :where(button, .c-btn, [role=button]) { min-width: var(--c-tap); }
.c-ui input[type=checkbox], .c-ui input[type=radio] { width: 24px; height: 24px; }
.c-ui a:not(.c-btn) { text-underline-offset: .2em; }

/* los componentes no dependen del reinicio de la página (Bootstrap ya lo hace; las páginas sin él, no) */
:is(.c-btn, .c-card, .c-chip, .c-badge, .c-field, .c-alert, .c-table, .c-table-wrap),
:is(.c-card, .c-field, .c-alert) * { box-sizing: border-box; }

/* botón */
.c-btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--c-s-2); min-height: var(--c-tap); padding: 0 var(--c-s-4);
  border: 1px solid transparent; border-radius: var(--c-r-pill); background-color: var(--c-verde); color: #fff; font: 700 .9rem/1 var(--c-font);
  text-decoration: none; cursor: pointer; transition: background .2s, transform .1s; }
.c-btn:hover { background-color: var(--c-verde-osc); color: #fff; }
.c-btn:active { transform: scale(.98); }
.c-btn[disabled], .c-btn[aria-disabled=true] { opacity: .6; cursor: not-allowed; }
.c-btn--ghost { background-color: transparent; color: var(--c-ghost); border-color: var(--c-field-bd); }
.c-btn--ghost:hover { background-color: var(--c-soft); }
.c-btn--wa { background-color: var(--c-wa); color: #0f172a; }
.c-btn--wa:hover { background-color: #1ebe5a; color: #0f172a; }
.c-btn--block { display: flex; width: 100%; }

/* tarjeta */
.c-card { background-color: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--c-r-3); padding: var(--c-s-4); box-shadow: var(--c-shadow); }

/* chip y badge (el significado va en el texto, no solo en el color) */
.c-chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: var(--c-r-pill); background-color: var(--c-chip); color: var(--c-chip-t); font-size: .75rem; font-weight: 600; white-space: nowrap; }
.c-badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 9px; border-radius: var(--c-r-pill); font-size: .75rem; font-weight: 800; white-space: nowrap; }
.c-badge--ok { background-color: var(--c-ok-bg); color: var(--c-ok); }
.c-badge--warn { background-color: var(--c-warn-bg); color: var(--c-warn); }
.c-badge--bad { background-color: var(--c-bad-bg); color: var(--c-bad); }

/* campo: <div class="c-field"><label for="x">…</label><input id="x"></div> */
.c-field { margin-bottom: var(--c-s-3); }
.c-field label { display: block; margin: 0 0 6px 4px; font-size: .875rem; font-weight: 600; }
.c-field :where(input, select, textarea) { width: 100%; padding: 12px 18px; border: 2px solid var(--c-field-bd); border-radius: var(--c-r-pill);
  background-color: var(--c-bg); color: var(--c-text); font: inherit; font-size: 16px; }
.c-field textarea { border-radius: var(--c-r-2); }
.c-field :where(input, select, textarea):focus-visible { border-color: var(--c-brand); background-color: var(--c-card); }
.c-field .c-help { margin: 4px 0 0 4px; font-size: .8125rem; color: var(--c-muted); }
.c-field .c-error { margin: 4px 0 0 4px; font-size: .8125rem; color: var(--c-bad); }

/* aviso */
.c-alert { padding: 10px 14px; border: 1px solid var(--c-line); border-radius: var(--c-r-2); background-color: var(--c-soft); font-size: .9rem; }
.c-alert--bad { background-color: var(--c-bad-bg); color: var(--c-bad); border-color: transparent; }
.c-alert--warn { background-color: var(--c-warn-bg); color: var(--c-warn); border-color: transparent; }

/* tabla: en teléfono se desplaza dentro de su contenedor, no la página */
.c-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.c-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.c-table :where(th, td) { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--c-line); }
.c-table th { font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--c-muted); }

/* utilidades */
.c-vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.c-muted { color: var(--c-muted); }

/* ================= v2: tipografía (A: Lexend + Source Sans 3), alojada en este servidor ================= */
@font-face { font-family: "Lexend"; font-style: normal; font-weight: 300 800; font-display: swap;
  src: url("fonts/lexend-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Source Sans 3"; font-style: normal; font-weight: 300 800; font-display: swap;
  src: url("fonts/source-sans-3-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
/* Lexend solo en títulos. Precios, cuotas y tablas van en Source Sans 3 (Lexend no alinea cifras). */
.c-ui :where(h1, h2, h3, h4) { font-family: var(--c-font-head); font-weight: 600; line-height: 1.2; letter-spacing: -.01em; }
.c-num, .c-table td, .c-table th { font-family: var(--c-font); font-variant-numeric: tabular-nums; }

/* ================= v2: botones — un solo componente ================= */
.c-btn--secondary { background-color: var(--c-soft); color: var(--c-ghost); border-color: transparent; }
.c-btn--secondary:hover { background-color: var(--c-line); color: var(--c-ghost); }
.c-btn--danger { background-color: #b91c1c; color: #fff; }
.c-btn--danger:hover { background-color: #991b1b; color: #fff; }
.c-btn--link { background-color: transparent; color: var(--c-ghost); text-decoration: underline; text-underline-offset: .2em; padding: 0 var(--c-s-2); }
.c-btn--link:hover { background-color: transparent; text-decoration-thickness: 2px; }
.c-btn--sm { min-height: 36px; padding: 0 12px; font-size: .8125rem; }
.c-btn--lg { min-height: 52px; padding: 0 var(--c-s-5); font-size: 1rem; }
.c-btn--icon { padding: 0; width: var(--c-tap); }
@media (pointer: coarse) { .c-btn--sm { min-height: var(--c-tap); } } /* en táctil, nunca menos de 44px */
/* estado de carga: <button class="c-btn" aria-busy="true"> */
.c-btn[aria-busy=true] { position: relative; color: transparent !important; pointer-events: none; }
.c-btn[aria-busy=true]::after { content: ""; position: absolute; width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--c-spin, #fff); border-right-color: transparent; animation: c-spin .7s linear infinite; }
.c-btn--ghost, .c-btn--secondary, .c-btn--link { --c-spin: var(--c-ghost); }
.c-btn--wa { --c-spin: #0f172a; }

/* ================= v2: iconos — una sola familia, solo contorno, hereda color ================= */
/* uso: <i class="bi bi-chat-dots c-ic" aria-hidden="true"></i>  (nunca variantes -fill, nunca emojis como icono) */
.c-ic { font-size: var(--c-ic, 20px); line-height: 1; flex-shrink: 0; color: inherit; }
.c-ic--sm { --c-ic: 16px; } .c-ic--lg { --c-ic: 24px; }
.c-btn .c-ic { font-size: 1.2em; }

/* ================= v2: movimiento — corto, con propósito, se apaga con reduced-motion ================= */
@keyframes c-spin { to { transform: rotate(360deg); } }
@keyframes c-fade-up { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes c-shimmer { to { background-position: -200% 0; } }
@keyframes c-pop { 0% { opacity: 0; transform: scale(.9); } 60% { transform: scale(1.04); } 100% { opacity: 1; transform: none; } }
/* entrada inmediata (lo que ya está a la vista) */
.c-in { animation: c-fade-up .4s cubic-bezier(.2, .7, .2, 1) both; animation-delay: calc(var(--i, 0) * 50ms); }
/* entrada al hacer scroll: el script marca .c-pre solo a lo que está fuera de pantalla; sin script todo queda visible */
.c-pre { opacity: 0; transform: translateY(12px); }
.c-pre.is-in { opacity: 1; transform: none; transition: opacity .45s ease, transform .45s cubic-bezier(.2, .7, .2, 1); transition-delay: calc(var(--i, 0) * 60ms); }
/* carga */
.c-skeleton { color: transparent !important; border-radius: var(--c-r-1);
  background: linear-gradient(90deg, var(--c-chip) 25%, var(--c-line) 37%, var(--c-chip) 63%); background-size: 200% 100%; animation: c-shimmer 1.4s ease infinite; }
/* confirmaciones (añadir al carrito, guardado) */
.c-pop { animation: c-pop .35s ease both; }
/* tarjeta interactiva */
.c-card--hover { transition: transform .2s ease, box-shadow .2s ease; }
.c-card--hover:hover { transform: translateY(-2px); box-shadow: 0 2px 4px rgba(15, 23, 42, .06), 0 14px 32px rgba(15, 23, 42, .1); }
@media (prefers-reduced-motion: reduce) {
  .c-pre { opacity: 1; transform: none; }
  .c-skeleton { animation: none; }
  .c-btn[aria-busy=true]::after { animation: none; border-style: dotted; border-right-color: var(--c-spin, #fff); }
}
@media print { .c-pre { opacity: 1 !important; transform: none !important; } }