/* ==========================================================================
   styles.css — Micro ERP UI
   Diseño profesional, responsivo y accesible (BEM + variables + mobile-first)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1) Variables (paleta, tipografía, espaciado, sombras, radios, breakpoints)
   -------------------------------------------------------------------------- */
:root {
  /* ===== PALETA EXACTA (OBLIGATORIA) ===== */
  --color-primary: #FF6B35;        /* Salmón vibrante (btones secundarios, acentos cálidos) */
  --color-primary-700: #E55A2B;    /* Salmón oscuro (hover/active) */
  --color-accent: #FFC107;         /* Amarillo dorado profesional (botón principal, foco) */
  --color-accent-hover: #FFB300;   /* Amarillo en hover */
  --color-bg: #FFFBF5;             /* Fondo cálido casi blanco con toque salmón */
  --color-surface: #FFFFFF;        /* Superficies */
  --color-text: #2D1B1B;           /* Marrón oscuro cálido (AA) */
  --color-muted: #7C4D3A;          /* Texto secundario */
  --color-border: #FFE0D6;         /* Borde salmón muy claro */

  /* Complementos (mantener contraste AA) */
  --color-success: #0E9F6E;
  --color-warning: #FFB300;
  --color-danger:  #C0392B;
  --color-focus:   rgba(255, 193, 7, 0.45); /* halo foco basado en --color-accent */

  /* Tipografía */
  --font-sans: 'Inter', 'Roboto', 'Open Sans', system-ui, -apple-system, Segoe UI, Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  /* Espaciado */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;

  /* Bordes y sombras (tinte salmón sutil) */
  --radius-1: .375rem;
  --radius-2: .75rem;
  --shadow-sm: 0 1px 2px rgba(255, 107, 53, .08);
  --shadow-md: 0 6px 18px rgba(255, 107, 53, .12);
  --shadow-lg: 0 14px 36px rgba(255, 107, 53, .16);

  /* Z-index */
  --z-navbar: 1000;
  --z-sidebar: 900;
  --z-overlay: 950;
  --z-modal: 1200;

  /* Breakpoints */
  --bp-md: 768px;
}

/* ---------------------------------------
   2) Reset y base
   --------------------------------------- */
* { box-sizing: border-box; }
html { font-size: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
}

/* Enlaces con subrayado animado dorado */
a {
  color: var(--color-primary);
  text-decoration: none;
  background-image: linear-gradient(to right, var(--color-accent), var(--color-accent));
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 0% 2px;
  transition: color .2s ease, background-size .25s ease;
}
a:hover {
  color: var(--color-primary-700);
  background-size: 100% 2px;
}
a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}
img, svg, video { max-width: 100%; height: auto; }

/* ---------------------------------------
   3) Layout principal
   --------------------------------------- */
.erp-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  transition: grid-template-columns .25s ease;
  min-height: 100vh;
  position: relative;
}

/* Sidebar */
.erp-sidebar {
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-3);
  overflow: hidden;
  transition: all .25s ease;
  z-index: var(--z-sidebar);
  box-shadow: var(--shadow-sm);
}
.erp-sidebar__brand {
  font-weight: 700;
  margin-bottom: var(--space-6);
  color: var(--color-primary);
  letter-spacing: .2px;
}
.erp-sidebar__nav { list-style: none; padding: 0; margin: 0; }
.erp-sidebar__item { margin-bottom: .25rem; }
.erp-sidebar__section {
  display: block;
  color: var(--color-muted);
  font-size: .8rem;
  margin: .75rem .25rem .25rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
/* Links sidebar con micro-animaciones tipo SaaS */
.erp-sidebar__link {
  display: flex; align-items: center; gap: .6rem;
  padding: .55rem .8rem;
  color: var(--color-text);
  border-radius: var(--radius-1);
  transition: background .15s ease, color .15s ease, transform .18s ease;
  white-space: nowrap;
  will-change: transform;
}
.erp-sidebar__link:hover,
.erp-sidebar__link--active {
  background: rgba(255, 107, 53, .10);   /* salmón claro */
  color: var(--color-primary);
  transform: translateX(1px);
}
.erp-sidebar__link::before {
  content: "•";
  color: var(--color-primary);
  font-weight: 700;
  transition: transform .2s ease, color .2s ease;
}
.erp-sidebar__link:hover::before {
  transform: scale(1.12);
  color: var(--color-accent);
}

/* Contenido */
.erp-content {
  padding: var(--space-4);
  background: var(--color-bg);
  transition: all .25s ease;
}

/* Topbar */
.erp-navbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: .5rem var(--space-4);
  display: flex; align-items: center; gap: var(--space-4);
  position: sticky; top: 0;
  z-index: var(--z-navbar);
  box-shadow: var(--shadow-sm);
}
.erp-navbar__brand { font-weight: 700; color: var(--color-primary); }
.erp-navbar__spacer { flex: 1; }
.erp-navbar__link {
  color: var(--color-text);
  padding: .4rem .6rem;
  border-radius: var(--radius-1);
  transition: background .2s ease, color .2s ease;
}
.erp-navbar__link:hover {
  background: rgba(255, 193, 7, .18); /* dorado suave */
  color: var(--color-primary);
}

/* ---------------------------------------
   4) Sidebar colapsable
   --------------------------------------- */
.erp-shell.is-collapsed {
  grid-template-columns: 72px 1fr;
}
.erp-shell.is-collapsed .erp-sidebar__brand,
.erp-shell.is-collapsed .erp-sidebar__section { display: none; }
.erp-shell.is-collapsed .erp-sidebar__link {
  justify-content: center;
  padding: .5rem 0;
  font-size: 0;
}
.erp-shell.is-collapsed .erp-sidebar__link::before {
  content: "•";
  font-size: 18px;
  line-height: 1;
}
.erp-shell:not(.is-collapsed) .erp-sidebar__link { font-size: 1rem; }

/* ---------------------------------------
   5) Sidebar móvil con overlay
   --------------------------------------- */
@media (max-width: 767px) {
  .erp-shell { grid-template-columns: 1fr; }
  .erp-sidebar {
    position: fixed;
    left: -260px;
    top: 0; bottom: 0;
    width: 260px;
    height: 100vh;
    transition: left .25s ease;
  }
  .erp-shell.show-sidebar .erp-sidebar { left: 0; }

  .erp-overlay {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    backdrop-filter: blur(2px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease;
    z-index: var(--z-overlay);
  }
  .erp-shell.show-sidebar .erp-overlay {
    opacity: 1;
    visibility: visible;
  }
}

/* ---------------------------------------
   6) Componentes
   --------------------------------------- */

/* Tarjetas — sombra premium con tinte salmón + elevación al hover */
.erp-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2);
  box-shadow: var(--shadow-md);
  transition: transform .18s ease, box-shadow .2s ease, border-color .2s ease;
}
.erp-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: #FFD1C3;
}
.erp-card__body { padding: var(--space-4); }

/* Botones — patrón SaaS:
   - Primario = AMARILLO (CTA)
   - Secundario = SALMÓN (acción normal) */
.erp-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem;
  padding: .58rem .98rem;
  border-radius: var(--radius-1);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 600;
  cursor: pointer;
  transition: transform .14s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  will-change: transform;
}
.erp-btn:hover { box-shadow: var(--shadow-sm); transform: translateY(-1px); }

/* CTA — Amarillo dorado con gradiente sutil */
.erp-btn--primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  border-color: var(--color-accent);
  color: #1F120F; /* alto contraste sobre amarillo */
}
.erp-btn--primary:hover {
  background: linear-gradient(135deg, var(--color-accent-hover), var(--color-accent));
  box-shadow: 0 10px 26px rgba(255, 193, 7, .28);
  transform: scale(1.02);
}

/* Secundario — Salmón vibrante */
.erp-btn--secondary,
.erp-btn--ghost.erp-btn--primary { /* fallback si usas variante ghost con primary */
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-700));
  border-color: var(--color-primary);
  color: #FFFFFF;
}
.erp-btn--secondary:hover,
.erp-btn--ghost.erp-btn--primary:hover {
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary));
  box-shadow: 0 8px 22px rgba(255, 107, 53, .25);
  transform: scale(1.02);
}

/* Estados foco accesibles en botones */
.erp-btn:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}
/* ---- FIX visibilidad botón secundario ---- */
.erp-btn--secondary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-700));
  border-color: var(--color-primary);
  color: #fff !important;           /* fuerza texto blanco */
  text-shadow: 0 1px 0 rgba(0,0,0,.08);
  opacity: 1 !important;            /* evita aspecto "disabled" */
}
.erp-btn--secondary:hover {
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary));
  box-shadow: 0 8px 22px rgba(255,107,53,.25);
  transform: scale(1.02);
}

/* Asegura que los estados de link no cambien el color */
a.erp-btn,
a.erp-btn:link,
a.erp-btn:visited,
a.erp-btn:hover,
a.erp-btn:active {
  color: inherit !important;
  text-decoration: none !important;
}

/* Garantiza que iconos/childs no hereden opacidad accidental */
.erp-btn--secondary > *,
.erp-btn--secondary svg,
.erp-btn--secondary i,
.erp-btn--secondary span {
  color: #fff !important;
  opacity: 1 !important;
  filter: none !important;
}

/* Si algún estilo global marca botones como "disabled", neutralízalo aquí para este caso */
.erp-btn--secondary[disabled],
.erp-btn--secondary[aria-disabled="true"] {
  opacity: .6 !important;           /* <- cambia si realmente necesitas disabled */
  cursor: not-allowed;
}
/* Formularios — halo doble (amarillo + salmón) */
.erp-form__group { margin-bottom: var(--space-3); }
.erp-input, .erp-select {
  width: 100%;
  padding: .58rem .78rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-1);
  background: #fff;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.erp-input:hover, .erp-select:hover { background: #FFFEFB; }
.erp-input:focus, .erp-select:focus {
  border-color: var(--color-accent);
  box-shadow:
    0 0 0 3px rgba(255, 193, 7, .25),
    0 0 0 6px rgba(255, 107, 53, .12);
  outline: none;
}

/* Tablas — header cálido + hover con tinte salmón claro */
.erp-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2);
  overflow: hidden;
}
.erp-table thead th {
  text-align: left;
  background: #FFF4DF;                 /* encabezado cálido (amarillo pálido) */
  color: var(--color-text);
  padding: .75rem .9rem;
  border-bottom: 1px solid var(--color-border);
}
.erp-table tbody td {
  padding: .68rem .9rem;
  border-bottom: 1px solid var(--color-border);
}
.erp-table tbody tr:hover { background: #FFF6F1; }  /* salmon claro */

/* Badges / estados (si los usas) */
.badge--success { background: rgba(14,159,110,.12); color: #0E9F6E; }
.badge--warn    { background: rgba(255,179,0,.14);  color: #7A4E00; }
.badge--danger  { background: rgba(192,57,43,.12);  color: #C0392B; }

/* ---------------------------------------
   7) Impresión
   --------------------------------------- */
@media print {
  .erp-sidebar, .erp-navbar, .erp-overlay { display: none !important; }
  .erp-content { padding: 0; }
  body { background: #fff; color: #000; }
}

/* Paleta: SALMÓN (#FF6B35) + AMARILLO (#FFC107) — SaaS premium 2025 */
/* ===== Bootstrap overrides — Salmon/Yellow 2025 ===== */
:root{
  /* mapea variables Bootstrap */
  --bs-primary: #FF6B35;             /* salmón */
  --bs-primary-rgb: 255,107,53;
  --bs-warning: #FFC107;             /* amarillo */
  --bs-warning-rgb: 255,193,7;
}

/* Enlaces “primary” */
a, .link-primary { color: #FF6B35 !important; }
a:hover, .link-primary:hover { color: #E55A2B !important; text-decoration: none; }

/* Botón primario */
.btn-primary{
  color:#fff !important;
  background: linear-gradient(135deg,#FF6B35,#E55A2B) !important;
  border-color:#E55A2B !important;
  box-shadow: 0 6px 16px rgba(255,107,53,.18) !important;
  transition: transform .15s ease, box-shadow .15s ease !important;
}
.btn-primary:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(255,107,53,.25) !important;
}
.btn-outline-primary{
  color:#FF6B35 !important;
  border-color:#FF6B35 !important;
}
.btn-outline-primary:hover{
  background:#FF6B35 !important;
  color:#fff !important;
  border-color:#E55A2B !important;
}

/* Badges, alerts y utilidades “primary” */
.bg-primary, .text-bg-primary{ background-color:#FF6B35 !important; }
.border-primary{ border-color:#FF6B35 !important; }
.text-primary{ color:#FF6B35 !important; }

/* Inputs y focus */
.form-control:focus, .form-select:focus, .ts-control:focus-within{
  border-color:#FFC107 !important;
  box-shadow: 0 0 0 3px rgba(255,193,7,.25) !important; /* amarillo suave */
  outline:0;
}
.form-check-input:checked{
  background-color:#FF6B35 !important;
  border-color:#E55A2B !important;
}

/* Navs / Tabs / Pills */
.nav-tabs .nav-link.active,
.nav-pills .nav-link.active{
  background:#FF6B35 !important;
  color:#fff !important;
  border-color:#FF6B35 #FF6B35 transparent !important;
}
.nav-tabs .nav-link{ color:#7C4D3A !important; }
.nav-tabs .nav-link:hover{ color:#FF6B35 !important; }

/* Cards/headers de reportes */
.card, .erp-card{
  border-color:#FFE0D6 !important;
  box-shadow: 0 4px 15px rgba(238,108,77,.10) !important; /* tinte salmón */
}
.card-header{
  background: #FFF7F0 !important;   /* tenue salmón */
  border-bottom-color:#FFE0D6 !important;
  color:#2D1B1B !important;
}

/* Botón “warning” como acento amarillo */
.btn-warning{
  background: linear-gradient(135deg,#FFC107,#FFB300) !important;
  border-color:#FFB300 !important;
  color:#2D1B1B !important;
}

/* Tabs con borde activo en amarillo (detalle “premium”) */
.nav-tabs .nav-link{
  position:relative;
}
.nav-tabs .nav-link.active::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-1px; height:3px;
  background:#FFC107; border-radius:3px 3px 0 0;
}

.kpi-trend {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.kpi-trend__icon {
  font-size: 0.8rem;
}

.kpi-trend--up {
  color: #1e8449; /* verde oscuro */
  background-color: rgba(46, 204, 113, 0.12);
}

.kpi-trend--down {
  color: #c0392b; /* rojo oscuro */
  background-color: rgba(231, 76, 60, 0.12);
}

.btn-range {
  border: 1px solid rgba(0,0,0,0.08);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: #fff;
  cursor: pointer;
  margin-left: 0.25rem;
}

.btn-range--active {
  border-color: #FF6B35;
  background: rgba(255, 107, 53, 0.08);
  color: #FF6B35;
}

.top-products-filter label {
  font-size: 0.75rem;
  margin-right: 0.5rem;
}

.top-products-filter input[type="date"] {
  font-size: 0.75rem;
}