/* ================================================================
   THE HUB · rib-core.css
   Design System Global Único — Importar en TODOS los productos de la suite
   (RIB / Retail Intelligence Hub y Nexus / Workspaces Hub)
   ================================================================
   Uso en cualquier página de cualquier producto de la suite:
   <link rel="stylesheet" href="/assets/rib-core.css">

   v2 — Migración dark → light "Premium Intelligence"
   · Paleta reducida a: neutros + 1 marca (violeta) + 4 semánticos
   · Un único prefijo de clase: rib-  (sustituye a nexus-)
   · Tokens de chart (--chart-1..6) para que Chart.js NUNCA lleve
     colores hardcodeados en el HTML: leer siempre las variables
     desde JS con getComputedStyle() — ver rib-chart-theme.js
   ================================================================ */

/* ── GOOGLE FONTS ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@300;400;500&family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── RESET ────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── DESIGN TOKENS ────────────────────────────────────────────── */
:root {

  /* Backgrounds */
  --bg-root:        #F8F9FB;
  --bg-surface:     #FFFFFF;
  --bg-surface-2:   #F4F5F7;
  --bg-surface-3:   #ECEEF2;
  --bg-overlay:     rgba(15,18,24,0.94);

  /* Borders */
  --border:         #E5E7EB;
  --border-hover:   #D1D5DB;
  --border-active:  #B7BBC4;
  --border-strong:  #D1D5DB;

  /* Text — contraste reforzado sobre fondo claro (AA en 11px+) */
  --text-primary:   #14161B;
  --text-secondary: #3A3D44;
  --text-muted:     #666A73;
  --text-disabled:  #A7AAB1;

  /* Marca — violeta profundo, menos saturado que la v1 (#3E0D81) */
  --accent:         #55358A;
  --accent-hover:   #442B70;
  --accent-strong:  #3F286A;   /* reservado para acentos puntuales de máxima jerarquía */
  --accent-dim:     rgba(85,53,138,0.08);
  --accent-glow:    rgba(85,53,138,0.045);

  /* Semántico — usar SOLO cuando el dato realmente lo requiere */
  --color-positive: #16845B;
  --color-warning:  #A66A16;
  --color-negative: #C44747;
  --color-info:     #4776A8;

  --dim-positive:   rgba(22,132,91,0.08);
  --dim-warning:    rgba(166,106,22,0.08);
  --dim-negative:   rgba(196,71,71,0.08);
  --dim-info:       rgba(71,118,168,0.08);

  /* Identidad de módulo (sidebar / TOOLS_CONFIG) — NO usar para estado.
     Paleta contenida dentro de la familia violeta + 2 neutros de apoyo,
     en vez de 6 tonos saturados compitiendo entre sí. */
  --cat-a:          #55358A;  /* violeta — marca / IA */
  --cat-b:          #8066A8;  /* violeta claro — contenidos */
  --cat-c:          #6D829B;  /* azul grafito — analítica */
  --cat-d:          #A66A16;  /* ámbar — reservado a avisos de módulo */
  --cat-e:          #16845B;  /* verde — reservado a estados OK de módulo */
  --dim-cat-a:      rgba(85,53,138,0.08);
  --dim-cat-b:      rgba(128,102,168,0.08);
  --dim-cat-c:      rgba(109,130,155,0.08);
  --dim-cat-d:      rgba(166,106,22,0.08);
  --dim-cat-e:      rgba(22,132,91,0.08);

  /* Chart palette — única fuente de verdad para Chart.js.
     Leer siempre desde JS, nunca repetir el hex en cada página:
     getComputedStyle(document.documentElement).getPropertyValue('--chart-1') */
  --chart-1: #55358A;
  --chart-2: #8066A8;
  --chart-3: #A69BC1;
  --chart-4: #6D829B;
  --chart-5: #9BA8B7;
  --chart-6: #C2C7CE;
  --chart-highlight: #3F286A;
  --chart-grid:      #ECEEF2;
  --chart-tick:      #737780;
  --chart-tooltip-bg:   #FFFFFF;
  --chart-tooltip-text: #14161B;
  --chart-tooltip-border: #E5E7EB;

  /* Tipografía */
  --font-display: 'Inter', sans-serif;
  --font-mono:    'DM Mono', monospace;

  /* Escala tipográfica — subida un nivel respecto a v1 para mejorar legibilidad en modo claro */
  --text-2xs: 10px;
  --text-xs:  11px;
  --text-sm:  12.5px;
  --text-base: 15.5px;
  --text-md:  17px;
  --text-lg:  20px;
  --text-xl:  26px;

  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Shadows — suaves, pensadas para superficies claras */
  --shadow-sm: 0 1px 3px rgba(15,18,24,0.06);
  --shadow-md: 0 4px 16px rgba(15,18,24,0.07);
  --shadow-lg: 0 8px 32px rgba(15,18,24,0.09);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.35s ease;

  /* Layout */
  --topbar-height:     52px;
  --footer-height:     32px;
  --sidebar-collapsed: 56px;
  --sidebar-expanded:  220px;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}
button { font-family: inherit; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}

/* ── BASE ─────────────────────────────────────────────────────── */
html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg-root);
  font-family: var(--font-display);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: var(--text-base);
  line-height: 1.5;
}

/* ── SCROLLBAR ────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(20,22,27,0.16);
  border-radius: 6px;
  border: 2px solid #fff;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(20,22,27,0.28);
}

/* ── AMBIENT BACKGROUND GLOW ─────────────────────────────────── */
.rib-ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.rib-ambient::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 60vw; height: 60vw;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
}
.rib-ambient::after {
  content: '';
  position: absolute;
  bottom: -15%; left: 5%;
  width: 50vw; height: 50vw;
  background: radial-gradient(circle, rgba(22,132,91,0.03) 0%, transparent 65%);
}

/* ================================================================
   COMPONENTES COMPARTIDOS
================================================================ */

/* ── TOPBAR ───────────────────────────────────────────────────── */
.rib-topbar {
  height: var(--topbar-height);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(12px);
  position: relative;
  z-index: 50;
}

/* ── LOGO MARK ────────────────────────────────────────────────── */
.rib-logo-mark {
  width: 26px; height: 26px;
  background: var(--accent);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.rib-logo-mark svg { width: 15px; height: 15px; }

/* ── STATUS DOT ───────────────────────────────────────────────── */
.rib-status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: ribPulse 2.5s ease-in-out infinite;
}
@keyframes ribPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.25; }
}

/* ── AVATAR ───────────────────────────────────────────────────── */
.rib-avatar {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--color-positive) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xs);
  font-weight: 700;
  color: white;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

/* ── BADGE ────────────────────────────────────────────────────── */
/* Semántico — QUÉ SIGNIFICA el dato (usar por defecto) */
.rib-badge {
  font-size: var(--text-2xs);
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  padding: 3px 8px;
  border-radius: 20px;
  text-transform: uppercase;
}
.rib-badge.positive { background: var(--dim-positive); color: var(--color-positive); }
.rib-badge.warning  { background: var(--dim-warning);  color: var(--color-warning); }
.rib-badge.negative { background: var(--dim-negative); color: var(--color-negative); }
.rib-badge.info     { background: var(--dim-info);     color: var(--color-info); }

/* Identidad de módulo — QUÉ CATEGORÍA es (solo sidebar / TOOLS_CONFIG) */
.rib-badge.cat-a { background: var(--dim-cat-a); color: var(--cat-a); }
.rib-badge.cat-b { background: var(--dim-cat-b); color: var(--cat-b); }
.rib-badge.cat-c { background: var(--dim-cat-c); color: var(--cat-c); }
.rib-badge.cat-d { background: var(--dim-cat-d); color: var(--cat-d); }
.rib-badge.cat-e { background: var(--dim-cat-e); color: var(--cat-e); }

/* Alias de compatibilidad — mapeo temporal 1:1 mientras se migra el HTML
   existente que aún usa nombres de color en vez de nombres semánticos.
   Retirar cuando todos los módulos usen .positive/.warning/.negative/.info/.cat-*. */
.rib-badge.green  { background: var(--dim-positive); color: var(--color-positive); }
.rib-badge.coral  { background: var(--dim-negative); color: var(--color-negative); }
.rib-badge.amber  { background: var(--dim-warning);  color: var(--color-warning); }
.rib-badge.blue   { background: var(--dim-info);     color: var(--color-info); }
.rib-badge.purple { background: var(--dim-cat-a);    color: var(--cat-a); }
.rib-badge.pink   { background: var(--dim-cat-b);    color: var(--cat-b); }

/* ── PILL BUTTON ──────────────────────────────────────────────── */
.rib-pill {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-base);
}
.rib-pill:hover {
  border-color: var(--border-hover);
  color: var(--text-secondary);
}
.rib-pill.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ── ICON BUTTON ──────────────────────────────────────────────── */
.rib-icon-btn {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  background: transparent;
  transition: background var(--transition-base);
  flex-shrink: 0;
}
.rib-icon-btn:hover { background: var(--bg-surface-2); }
.rib-icon-btn.active { background: var(--accent-dim); }
.rib-icon-btn svg {
  width: 15px; height: 15px;
  stroke: var(--text-muted);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--transition-base);
}
.rib-icon-btn:hover svg { stroke: var(--text-primary); }
.rib-icon-btn.active svg { stroke: var(--accent); }

/* ── CARD ─────────────────────────────────────────────────────── */
.rib-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: background var(--transition-base), border-color var(--transition-base);
}
.rib-card:hover {
  background: var(--bg-surface-2);
  border-color: var(--border-hover);
}

/* ── MONO LABEL ───────────────────────────────────────────────── */
.rib-label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ── EYEBROW ──────────────────────────────────────────────────── */
.rib-eyebrow {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ── DIVIDER ──────────────────────────────────────────────────── */
.rib-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
}
.rib-divider-v {
  width: 1px;
  height: 100%;
  background: var(--border);
}

/* ── TOAST ────────────────────────────────────────────────────── */
.rib-toast {
  position: fixed;
  bottom: 48px; right: 24px;
  z-index: 9999;
  background: rgba(255,255,255,0.98);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  transform: translateY(10px);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}
.rib-toast.show { transform: translateY(0); opacity: 1; }
.rib-toast-icon { color: var(--accent); }

/* ── LOGIN SCREEN ─────────────────────────────────────────────── */
.rib-login-screen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-root);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
.rib-login-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.rib-login-bg { position: absolute; inset: 0; }
.rib-login-bg::before {
  content: '';
  position: absolute; top: -30%; left: -10%;
  width: 70vw; height: 70vw;
  background: radial-gradient(circle, rgba(85,53,138,0.06) 0%, transparent 65%);
}
.rib-login-bg::after {
  content: '';
  position: absolute; bottom: -20%; right: 0%;
  width: 55vw; height: 55vw;
  background: radial-gradient(circle, rgba(22,132,91,0.04) 0%, transparent 65%);
}

.rib-login-grid { position: absolute; inset: 0; overflow: hidden; }
.rib-login-grid::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.5;
}

.rib-login-card {
  position: relative;
  z-index: 1;
  width: 400px;
  background: rgba(255,255,255,0.96);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 48px 40px 40px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  animation: ribLoginReveal 0.6s ease both;
}
@keyframes ribLoginReveal {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.rib-login-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 36px; }
.rib-login-logo-mark {
  width: 38px; height: 38px;
  background: var(--accent);
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.rib-login-logo-mark svg { width: 22px; height: 22px; }

.rib-login-brand-name {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-primary);
  line-height: 1.1;
}
.rib-login-brand-tag {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 2px;
}

.rib-login-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.rib-login-subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-weight: 400;
}

.rib-login-field { margin-bottom: 16px; }
.rib-login-label {
  display: block;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.rib-login-input {
  width: 100%;
  padding: 12px 16px;
  background: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--transition-base), background var(--transition-base);
}
.rib-login-input:focus {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.rib-login-input::placeholder { color: var(--text-muted); }

.rib-login-error {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-negative);
  margin-top: 12px;
  min-height: 16px;
  letter-spacing: 0.05em;
  opacity: 0;
  transition: opacity var(--transition-base);
}
.rib-login-error.show { opacity: 1; }

.rib-login-btn {
  width: 100%;
  margin-top: 24px;
  padding: 14px 24px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition-base), transform 0.1s;
}
.rib-login-btn:hover { background: var(--accent-hover); }
.rib-login-btn:active { transform: scale(0.99); }

.rib-login-meta {
  margin-top: 24px;
  text-align: center;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.06em;
}
.rib-login-meta a { color: var(--accent); text-decoration: none; }

/* ── FOOTER BAR ───────────────────────────────────────────────── */
.rib-footer {
  height: var(--footer-height);
  flex-shrink: 0;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  justify-content: space-between;
  background: rgba(255,255,255,0.94);
}
.rib-footer-item {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 6px;
}
.rib-footer-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

/* ── UTILITY ──────────────────────────────────────────────────── */
.rib-flex        { display: flex; }
.rib-flex-center { display: flex; align-items: center; }
.rib-gap-4       { gap: 4px; }
.rib-gap-8       { gap: 8px; }
.rib-gap-12      { gap: 12px; }
.rib-gap-16      { gap: 16px; }

/* ── ANIMATIONS ───────────────────────────────────────────────── */
@keyframes ribFadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.rib-fade-up   { animation: ribFadeUp 0.45s ease both; }
.rib-fade-up-1 { animation: ribFadeUp 0.45s ease 0.05s both; }
.rib-fade-up-2 { animation: ribFadeUp 0.45s ease 0.10s both; }
.rib-fade-up-3 { animation: ribFadeUp 0.45s ease 0.15s both; }
.rib-fade-up-4 { animation: ribFadeUp 0.45s ease 0.20s both; }
.rib-fade-up-5 { animation: ribFadeUp 0.45s ease 0.25s both; }

/* ── RESPONSIVE ───────────────────────────────────────────────── */
@media (max-width: 900px) {
  .rib-hide-mobile { display: none !important; }
}