/* ============================================================
   RobotFacturas - formulario publico de solicitud de factura
   Paleta de la Camara: petroleo #002a3a (Pantone 303 C),
   amarillo #ffdc3e (Pantone 129 C), off-white #fafafa.
   ============================================================ */

:root {
  --ground:      #f4f6f6;
  --surface:     #ffffff;
  --header-bg:   #ffffff;
  --ink:         #002a3a;
  --ink-soft:    #55666d;   /* gris con sesgo petroleo, no neutro */
  --ink-faint:   #7c8a8f;
  --line:        #dde5e6;
  --line-strong: #c4d0d1;
  --field-bg:    #ffffff;
  --accent:      #ffdc3e;   /* solo como filo */
  --focus:       #0a5a74;
  --btn-bg:      #002a3a;
  --btn-bg-hi:   #013a4e;
  --btn-ink:     #ffffff;
  --ok-edge:     #3fae63;
  --ok-bg:       #eef8f0;
  --ok-ink:      #1f5a37;
  --bad-edge:    #e4595f;
  --bad-bg:      #fdeeef;
  --bad-ink:     #8a2b30;
  --info-edge:   #0a5a74;
  --info-bg:     #edf6f9;
  --info-ink:    #002a3a;
  --shadow:      0 1px 2px rgba(0, 42, 58, .06), 0 8px 24px -12px rgba(0, 42, 58, .14);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground:      #071b22;
    --surface:     #0e2a34;
    --header-bg:   #0b2129;
    --ink:         #eef4f4;
    --ink-soft:    #a7b8bc;
    --ink-faint:   #83969b;
    --line:        #1e3d47;
    --line-strong: #2b515d;
    --field-bg:    #0a2028;
    --accent:      #ffdc3e;
    --focus:       #7fd4ec;
    --btn-bg:      #12566b;
    --btn-bg-hi:   #1a6a82;
    --btn-ink:     #ffffff;
    --ok-edge:     #3fae63;
    --ok-bg:       #102e22;
    --ok-ink:      #9fe0b4;
    --bad-edge:    #e4595f;
    --bad-bg:      #331a1c;
    --bad-ink:     #f4b6b9;
    --info-edge:   #4db3d1;
    --info-bg:     #0c252e;
    --info-ink:    #bfe3ee;
    --shadow:      0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px -14px rgba(0, 0, 0, .6);
  }
}

:root[data-theme="dark"] {
  --ground:      #071b22;
  --surface:     #0e2a34;
  --header-bg:   #0b2129;
  --ink:         #eef4f4;
  --ink-soft:    #a7b8bc;
  --ink-faint:   #83969b;
  --line:        #1e3d47;
  --line-strong: #2b515d;
  --field-bg:    #0a2028;
  --accent:      #ffdc3e;
  --focus:       #7fd4ec;
  --btn-bg:      #12566b;
  --btn-bg-hi:   #1a6a82;
  --btn-ink:     #ffffff;
  --ok-edge:     #3fae63;
  --ok-bg:       #102e22;
  --ok-ink:      #9fe0b4;
  --bad-edge:    #e4595f;
  --bad-bg:      #331a1c;
  --bad-ink:     #f4b6b9;
  --shadow:      0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px -14px rgba(0, 0, 0, .6);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: "Source Sans 3", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ---- encabezado: logo azul sobre fondo claro, filo amarillo ---- */
.masthead {
  background: var(--header-bg);
  border-bottom: 1px solid var(--line);
  box-shadow: inset 0 -3px 0 var(--accent);
}

.masthead__inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 18px 24px;
}

.masthead__logo {
  height: 50px;
  width: auto;
  display: block;
}

/* En oscuro el logo (azul) se invierte a blanco para que se lea. */
:root[data-theme="dark"] .masthead__logo { filter: brightness(0) invert(1); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .masthead__logo { filter: brightness(0) invert(1); }
}

/* ---- pagina ---- */
.page {
  display: flex;
  justify-content: center;
  padding: 40px 20px 28px;
}

.shell {
  width: 100%;
  max-width: 468px;
}

.panel {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 30px 28px 32px;
}

/* Filo amarillo flotante, sin las "orejas" que deja un border-top con esquinas redondeadas. */
.panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 16px;
  right: 16px;
  height: 3px;
  background: var(--accent);
  border-radius: 0 0 2px 2px;
}

h1 {
  font-family: "Libre Franklin", "Segoe UI", system-ui, sans-serif;
  font-weight: 600;
  font-size: 23px;
  line-height: 1.2;
  letter-spacing: -.01em;
  text-wrap: balance;
  margin: 0 0 8px;
}

.lede {
  margin: 0 0 26px;
  font-size: 14.5px;
  color: var(--ink-soft);
}

/* ---- formulario ---- */
form {
  display: flex;
  flex-direction: column;
  gap: 17px;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.field label {
  font-family: "Libre Franklin", sans-serif;
  font-weight: 600;
  font-size: 11.5px;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.field input,
.field select {
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--field-bg);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 10px 12px;
  width: 100%;
  transition: border-color .12s, box-shadow .12s;
}

.field input::placeholder { color: var(--ink-faint); }
#nroRecibo { font-variant-numeric: tabular-nums; letter-spacing: .04em; }

.field input:focus-visible,
.field select:focus-visible {
  outline: none;
  border-color: var(--focus);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 28%, transparent);
}

.field input.invalid,
.field select.invalid { border-color: var(--bad-edge); }

.hint {
  font-size: 12.5px;
  color: var(--ink-faint);
}

.error {
  color: var(--bad-edge);
  font-size: 12.5px;
  min-height: 1px;
}
.error:empty { display: none; }

.submit {
  margin-top: 4px;
  font-family: "Libre Franklin", sans-serif;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--btn-ink);
  background: var(--btn-bg);
  border: 1px solid var(--btn-bg);
  border-radius: 8px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background .12s, transform .04s;
}

.submit:hover { background: var(--btn-bg-hi); border-color: var(--btn-bg-hi); }
.submit:active { transform: translateY(1px); }
.submit:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 70%, transparent);
}
.submit:disabled { opacity: .55; cursor: default; }

/* ---- estado / resultado ---- */
.estado {
  margin-top: 22px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  font-size: 14px;
  line-height: 1.5;
  transition: border-color .2s, background-color .2s;
}

.estado__icono {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  margin-top: 1px;
}
.estado__icono svg {
  width: 100%;
  height: 100%;
  display: block;
}

.estado__body {
  flex: 1 1 auto;
  min-width: 0;
}

.estado__titulo {
  margin: 0 0 3px 0;
  font-family: "Libre Franklin", sans-serif;
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: .01em;
}

.estado__texto { margin: 0; }

/* Informativo (mientras se procesa la solicitud) */
.estado.info {
  border-color: color-mix(in srgb, var(--info-edge) 35%, var(--line));
  border-left-color: var(--info-edge);
  background: var(--info-bg);
  color: var(--info-ink);
}
.estado.info .estado__icono { color: var(--info-edge); }
.estado.info .estado__titulo { color: var(--info-ink); }

.estado__barra {
  display: none;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: color-mix(in srgb, var(--info-edge) 20%, transparent);
  overflow: hidden;
}
.estado.info .estado__barra { display: block; }
.estado.info .estado__barra::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 35%;
  background: var(--info-edge);
  border-radius: 2px;
  animation: indeterminateBar 1.6s infinite ease-in-out;
}

@keyframes indeterminateBar {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* Exitoso (resultado final ok) */
.estado.ok {
  border-color: color-mix(in srgb, var(--ok-edge) 40%, var(--line));
  border-left-color: var(--ok-edge);
  background: var(--ok-bg);
  color: var(--ok-ink);
}
.estado.ok .estado__icono { color: var(--ok-edge); }

/* Rechazado / Error (resultado final con problema) */
.estado.bad {
  border-color: color-mix(in srgb, var(--bad-edge) 40%, var(--line));
  border-left-color: var(--bad-edge);
  background: var(--bad-bg);
  color: var(--bad-ink);
}
.estado.bad .estado__icono { color: var(--bad-edge); }

/* ---- pie ---- */
.foot {
  max-width: 468px;
  margin: 8px auto 0;
  padding: 22px 20px 40px;
  text-align: center;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-faint);
}

.foot a {
  color: var(--ink-soft);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.foot a:hover { color: var(--ink); }
.foot__sep { margin: 0 6px; opacity: .5; }

@media (max-width: 440px) {
  .row { grid-template-columns: 1fr; }
  .panel { padding: 24px 20px 26px; }
  .masthead__logo { height: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation-duration: .01ms !important; }
}