/* =====================================================================
   CimaTech Software Solutions — Documento de Venta V1.0
   estilos.css  ·  Variables de tema, componentes propios e impresión
   (POS / tirilla  +  Carta / PDF)
   ---------------------------------------------------------------------
   Nota: Tailwind se usa vía CDN para el prototipo. Aquí van solo los
   estilos propios (temas, animaciones sutiles y — lo más importante —
   las reglas @media print para los dos formatos de impresión).
   ===================================================================== */

/* ------------------------------------------------------------------ */
/* 1. Variables de tema (claro / oscuro)                              */
/* ------------------------------------------------------------------ */
:root {
  --font-sans: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;

  /* Paleta base — tema CLARO (por defecto) */
  --bg:            #f1f5f9;   /* slate-100 */
  --bg-soft:       #ffffff;
  --bg-elevated:   #ffffff;
  --border:        #e2e8f0;   /* slate-200 */
  --text:          #0f172a;   /* slate-900 */
  --text-soft:     #475569;   /* slate-600 */
  --text-muted:    #94a3b8;   /* slate-400 */

  /* Acentos de marca del prototipo (índigo + esmeralda) */
  --accent:        #4f46e5;   /* indigo-600 */
  --accent-hover:  #4338ca;   /* indigo-700 */
  --accent-soft:   #eef2ff;   /* indigo-50  */
  --success:       #059669;   /* emerald-600 */
  --success-soft:  #ecfdf5;
  --warning:       #d97706;   /* amber-600 */
  --danger:        #dc2626;   /* red-600 */

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, .08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, .12);
  --radius: 14px;
}

html[data-theme="dark"] {
  --bg:            #0b1120;
  --bg-soft:       #111a2e;
  --bg-elevated:   #16203a;
  --border:        #1e293b;
  --text:          #e2e8f0;
  --text-soft:     #94a3b8;
  --text-muted:    #64748b;

  --accent:        #818cf8;   /* indigo-400 */
  --accent-hover:  #a5b4fc;
  --accent-soft:   #1e1b4b;
  --success:       #34d399;
  --success-soft:  #052e2b;
  --warning:       #fbbf24;
  --danger:        #f87171;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 6px 20px rgba(0,0,0,.5);
  --shadow-lg: 0 16px 48px rgba(0,0,0,.6);
}

/* ------------------------------------------------------------------ */
/* 2. Base                                                            */
/* ------------------------------------------------------------------ */
* { box-sizing: border-box; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  margin: 0;
  transition: background .3s ease, color .3s ease;
}

/* Fondo decorativo sutil (respeta prefers-reduced-motion) */
.bg-decor {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}
.bg-decor span {
  position: absolute; border-radius: 50%; filter: blur(70px); opacity: .35;
  animation: floaty 18s ease-in-out infinite;
}
.bg-decor span:nth-child(1){ width:420px;height:420px;background:var(--accent); top:-120px; left:-80px; }
.bg-decor span:nth-child(2){ width:360px;height:360px;background:var(--success); bottom:-120px; right:-60px; animation-delay:-6s; }
@keyframes floaty {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(20px,-30px) scale(1.08); }
}
@media (prefers-reduced-motion: reduce) {
  .bg-decor span { animation: none; }
  * { scroll-behavior: auto !important; }
}

/* ------------------------------------------------------------------ */
/* 3. Componentes propios                                             */
/* ------------------------------------------------------------------ */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.field-label {
  font-size: .72rem; font-weight: 600; letter-spacing: .04em;
  text-transform: uppercase; color: var(--text-soft); margin-bottom: 4px; display:block;
}

.input {
  width: 100%;
  background: var(--bg-soft);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: .95rem;
  color: var(--text);
  transition: border-color .15s, box-shadow .15s, background .15s;
  font-family: inherit;
}
.input::placeholder { color: var(--text-muted); }
.input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}
.input.is-error { border-color: var(--danger); box-shadow: 0 0 0 4px color-mix(in srgb, var(--danger) 15%, transparent); }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-weight: 600; font-size: .92rem;
  border: none; border-radius: 11px; padding: 11px 18px; cursor: pointer;
  transition: transform .12s ease, box-shadow .15s, background .15s, opacity .15s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--accent-hover); box-shadow: var(--shadow-md); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { filter: brightness(1.05); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; color: var(--text-soft); border: 1.5px solid var(--border); }
.btn-ghost:hover { background: var(--bg-soft); color: var(--text); border-color: var(--accent); }
.btn-danger-ghost { background: transparent; color: var(--danger); border: 1.5px solid transparent; }
.btn-danger-ghost:hover { background: color-mix(in srgb, var(--danger) 12%, transparent); }

.chip {
  display:inline-flex; align-items:center; gap:6px;
  font-size:.75rem; font-weight:600; padding:4px 10px; border-radius:999px;
  background: var(--accent-soft); color: var(--accent);
}

/* Tabla de ítems */
.items-table { width: 100%; border-collapse: collapse; }
.items-table th {
  font-size:.72rem; text-transform:uppercase; letter-spacing:.04em;
  color: var(--text-soft); text-align:left; padding: 8px; font-weight:700;
}
.items-row { border-top: 1px solid var(--border); }
.items-row td { padding: 6px 4px; }

/* Total destacado */
.total-badge {
  background: linear-gradient(135deg, var(--accent), var(--success));
  color:#fff; border-radius: var(--radius); padding: 16px 20px;
  box-shadow: var(--shadow-md);
}

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(120%);
  background: var(--text); color: var(--bg-elevated);
  padding: 12px 20px; border-radius: 12px; font-weight:600; font-size:.9rem;
  box-shadow: var(--shadow-lg); z-index: 90; opacity: 0;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), opacity .35s;
  display:flex; align-items:center; gap:10px;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ================================================================== */
/* 4. VISTA PREVIA DEL DOCUMENTO (en pantalla)                        */
/* ================================================================== */
/* El documento se renderiza una sola vez en #docPrint y se reutiliza  */
/* tanto en la vista previa como en la impresión. Su ancho cambia      */
/* según el formato elegido (data-formato = "pos" | "carta").          */

#docPrint {
  background: #ffffff;
  color: #111827;
  margin: 0 auto;
  font-family: var(--font-sans);
}
/* En pantalla, damos una "hoja" con sombra */
.preview-wrap { display:flex; justify-content:center; padding: 8px; }
#docPrint[data-formato="carta"] {
  width: 100%; max-width: 640px; padding: 40px 44px;
  box-shadow: var(--shadow-lg); border-radius: 6px;
}
#docPrint[data-formato="pos"] {
  width: 300px; padding: 16px 14px;
  box-shadow: var(--shadow-lg); border-radius: 6px;
  font-family: 'Inter', monospace;
}

/* --- Estructura del documento (compartida) --- */
.doc-header { display:flex; justify-content:space-between; align-items:flex-start; gap:16px; }
.doc-logo { max-height: 56px; max-width: 160px; object-fit: contain; }
.doc-title { font-size: 1.15rem; font-weight: 800; letter-spacing:.02em; color:#111827; }
.doc-meta   { font-size: .78rem; color:#4b5563; }
.doc-section-label { font-size:.68rem; font-weight:700; text-transform:uppercase; letter-spacing:.05em; color:#6b7280; margin-bottom:2px; }
.doc-hr { border:none; border-top:1px dashed #d1d5db; margin: 12px 0; }

.doc-table { width:100%; border-collapse:collapse; font-size:.82rem; }
.doc-table th { text-align:left; border-bottom:2px solid #111827; padding:6px 4px; font-size:.7rem; text-transform:uppercase; color:#374151; }
.doc-table td { padding:6px 4px; border-bottom:1px solid #e5e7eb; color:#111827; }
.doc-table .num { text-align:right; font-variant-numeric: tabular-nums; }

.doc-totales { margin-top:12px; margin-left:auto; width: 66%; font-size:.85rem; }
.doc-totales .row { display:flex; justify-content:space-between; gap:14px; padding:3px 0; color:#374151; }
.doc-totales .row > span:first-child { white-space:nowrap; }
.doc-totales .row > span:last-child  { white-space:nowrap; text-align:right; }
.doc-totales .grand {
  font-weight:800; font-size:1.05rem; color:#111827;
  border-top:2px solid #111827; margin-top:4px; padding-top:8px;
}

.doc-legal {
  margin-top:16px; font-size:.68rem; color:#6b7280; line-height:1.45;
  background:#f9fafb; border:1px solid #eef2f7; border-radius:8px; padding:10px 12px;
}

.doc-footer-brand {
  margin-top:14px; text-align:center; font-size:.62rem; color:#9ca3af;
  display:flex; align-items:center; justify-content:center; gap:6px;
}

/* Ajustes específicos POS (tirilla estrecha) */
#docPrint[data-formato="pos"] .doc-header { flex-direction:column; align-items:center; text-align:center; gap:6px; }
#docPrint[data-formato="pos"] .doc-title { font-size:1rem; }
#docPrint[data-formato="pos"] .doc-table { font-size:.72rem; }
#docPrint[data-formato="pos"] .doc-table th { font-size:.62rem; }
#docPrint[data-formato="pos"] .doc-totales { width: 100%; font-size:.78rem; }
#docPrint[data-formato="pos"] .doc-legal { font-size:.6rem; }
#docPrint[data-formato="pos"] .doc-meta { text-align:center; }

/* ================================================================== */
/* 5. IMPRESIÓN  —  el corazón de los dos formatos                    */
/* ------------------------------------------------------------------ */
/* Método robusto: al imprimir, el núcleo MUEVE #docPrint dentro de    */
/* #print-holder y oculta .app-root por completo (display:none). Así   */
/* solo el documento ocupa espacio y no se generan páginas en blanco.  */
/* ================================================================== */
#print-holder { display: none; }

@media print {
  html, body { background: #ffffff !important; }   /* nunca imprimir el gris de fondo */
  .app-root, .bg-decor, .toast { display: none !important; }
  #print-holder { display: block !important; }

  #print-holder #docPrint {
    box-shadow: none !important; border-radius: 0 !important; margin: 0 auto !important;
  }

  /* ---- Formato CARTA (impresora normal / PDF tamaño carta) ---- */
  body.print-carta #print-holder #docPrint[data-formato="carta"] {
    width: 100%; max-width: 100%; padding: 0;
  }

  /* ---- Formato POS (tirilla térmica 80mm) ---- */
  body.print-pos #print-holder #docPrint[data-formato="pos"] {
    width: 72mm; padding: 2mm; font-size: 11px;
  }
}

/* Tamaño de página por defecto (el núcleo lo ajusta dinámicamente por formato) */
@page { size: Letter portrait; margin: 14mm; }