/* ==========================================================================
   Metal Live · base compartida (tokens, reset, componentes)
   ========================================================================== */

:root {
  --brand: #0794fb;
  --brand-600: #0479d1;
  --brand-700: #035fa6;
  --brand-50: #e8f4ff;
  --brand-100: #cfe8ff;
  --navy: #0b1b36;
  --navy-800: #11264a;
  --navy-700: #1a3461;

  --ink: #0f1e33;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e3e9f1;
  --line-strong: #cbd5e1;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-2: #f8fafc;

  --success: #0f9d6b;
  --success-bg: #e6f7f0;
  --warning: #b86e00;
  --warning-bg: #fff4e0;
  --danger: #d23b3b;
  --danger-bg: #fdecec;
  --info: #0479d1;
  --info-bg: #e8f4ff;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgb(15 30 51 / 6%);
  --shadow: 0 1px 3px rgb(15 30 51 / 8%), 0 8px 24px rgb(15 30 51 / 6%);
  --shadow-lg: 0 20px 50px rgb(11 27 54 / 18%);

  --font: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--brand-600); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
small { font-size: .85em; }
hr { border: 0; border-top: 1px solid var(--line); margin: 1.5rem 0; }

.sprite { display: none; }
.icon { display: inline-block; vertical-align: -3px; width: 18px; height: 18px; flex: none; }

:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 55%, transparent); outline-offset: 2px; border-radius: 4px; }

.skip-link {
  position: absolute; left: -999px; top: 8px; z-index: 100;
  background: var(--surface); padding: 8px 14px; border-radius: var(--radius-sm); box-shadow: var(--shadow);
}
.skip-link:focus { left: 8px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: .92em; }
.nowrap { white-space: nowrap; }
.text-right { text-align: right; }
.hidden, [hidden] { display: none !important; }

/* ---------- Botones ---------- */
.btn {
  --btn-bg: var(--surface);
  --btn-fg: var(--ink);
  --btn-border: var(--line-strong);
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  min-height: 40px; padding: .5rem 1rem;
  font: inherit; font-weight: 600; font-size: .93rem; line-height: 1.2;
  color: var(--btn-fg); background: var(--btn-bg);
  border: 1px solid var(--btn-border); border-radius: var(--radius-sm);
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background .15s, border-color .15s, box-shadow .15s, transform .05s;
}
.btn:hover { text-decoration: none; background: color-mix(in srgb, var(--btn-bg) 92%, var(--ink)); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn .icon { width: 16px; height: 16px; }
.btn-primary { --btn-bg: var(--brand); --btn-fg: #fff; --btn-border: var(--brand); }
.btn-primary:hover { background: var(--brand-600); border-color: var(--brand-600); }
.btn-dark { --btn-bg: var(--navy); --btn-fg: #fff; --btn-border: var(--navy); }
.btn-success { --btn-bg: var(--success); --btn-fg: #fff; --btn-border: var(--success); }
.btn-danger { --btn-bg: var(--surface); --btn-fg: var(--danger); --btn-border: color-mix(in srgb, var(--danger) 40%, white); }
.btn-danger:hover { background: var(--danger-bg); }
.btn-ghost { --btn-bg: transparent; --btn-border: transparent; --btn-fg: var(--ink-2); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-light { --btn-bg: #fff; --btn-fg: var(--navy); --btn-border: #fff; }
.btn-sm { min-height: 32px; padding: .3rem .7rem; font-size: .85rem; }
.btn-lg { min-height: 50px; padding: .8rem 1.5rem; font-size: 1rem; }
.btn-block { width: 100%; }

/* ---------- Formularios ---------- */
.field { display: grid; gap: .35rem; min-width: 0; }
.field > label, .label { font-size: .85rem; font-weight: 600; color: var(--ink-2); }
.field .hint { font-size: .8rem; color: var(--muted); margin: 0; }
.req::after { content: " *"; color: var(--danger); }

input:not([type=checkbox], [type=radio], [type=hidden], [type=file]),
select, textarea {
  width: 100%; min-height: 40px; padding: .5rem .75rem;
  font: inherit; font-size: .95rem; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  transition: border-color .15s, box-shadow .15s;
}
textarea { min-height: 96px; resize: vertical; }
select { appearance: none; padding-right: 2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .6rem center; background-size: 16px; }
select[multiple] { background-image: none; padding-right: .75rem; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 22%, transparent); }
[aria-invalid="true"] { border-color: var(--danger) !important; }
input[type=file] { font: inherit; font-size: .9rem; max-width: 100%; }
input[type=file]::file-selector-button {
  font: inherit; font-weight: 600; margin-right: .75rem; padding: .45rem .8rem; cursor: pointer;
  border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--surface-2); color: var(--ink-2);
}
input[type=checkbox], input[type=radio] { width: 18px; height: 18px; accent-color: var(--brand); flex: none; margin: 0; }
.check { display: inline-flex; align-items: center; gap: .55rem; font-size: .93rem; cursor: pointer; }
.field-error { margin: 0; color: var(--danger); font-size: .82rem; font-weight: 500; }

.form-grid { display: grid; gap: 1rem 1.25rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.form-grid .span-2 { grid-column: span 2; }
.form-grid .span-all { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid .span-2 { grid-column: 1 / -1; } }
.form-actions { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; margin-top: 1.25rem; }
.form-actions .spacer { flex: 1; }

/* ---------- Alertas y badges ---------- */
.alert {
  display: flex; gap: .6rem; align-items: flex-start;
  padding: .8rem 1rem; margin-bottom: 1rem; border-radius: var(--radius);
  font-size: .93rem; border: 1px solid transparent;
}
.alert .icon { margin-top: 2px; }
.alert-success { background: var(--success-bg); color: #0b6e4b; border-color: #bfe9d7; }
.alert-danger { background: var(--danger-bg); color: #9f2525; border-color: #f6caca; }
.alert-info { background: var(--info-bg); color: var(--brand-700); border-color: var(--brand-100); }
.alert-warning { background: var(--warning-bg); color: #8a5200; border-color: #f8dcae; }

.badge {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .18rem .55rem; border-radius: 999px;
  font-size: .76rem; font-weight: 600; line-height: 1.4; white-space: nowrap;
  background: var(--surface-2); color: var(--ink-2); border: 1px solid var(--line);
}
.badge-success { background: var(--success-bg); color: #0b6e4b; border-color: #bfe9d7; }
.badge-warning { background: var(--warning-bg); color: #8a5200; border-color: #f8dcae; }
.badge-danger { background: var(--danger-bg); color: #9f2525; border-color: #f6caca; }
.badge-info { background: var(--info-bg); color: var(--brand-700); border-color: var(--brand-100); }
.badge-muted { background: #f1f5f9; color: var(--muted); }

/* Colores por estadio (mismo código de color que el mapa del sistema) */
.badge-stage { border: 0; }
.stage-cotizacion, .stage-autorizacion { background: #ecebfb; color: #3c3489; }
.stage-asignacion, .stage-entrega, .stage-cirugia, .stage-consumo { background: #e1f3ec; color: #0f5e43; }
.stage-facturacion, .stage-cobranza { background: #faece7; color: #8a3418; }
.stage-finalizada { background: #e8edf3; color: #334155; }

.container { width: min(1180px, 100% - 2rem); margin-inline: auto; }
.container.narrow { width: min(720px, 100% - 2rem); }

.error-page { padding: 6rem 0; text-align: center; }
.error-code { font-size: 4.5rem; font-weight: 800; color: var(--brand); margin: 0; line-height: 1; }
.lead { font-size: 1.12rem; color: var(--ink-2); }