:root {
  --color-bg: #f4f5f7;
  --color-surface: #ffffff;
  --color-border: #e2e5ea;
  --color-text: #1a2130;
  --color-text-muted: #667085;
  --color-primary: #16233a;
  --color-primary-hover: #223250;
  --color-accent: #2f6690;
  --color-accent-soft: #eaf1f6;
  --color-danger: #b3261e;
  --color-danger-soft: #fbeceb;
  --color-warning: #9a6300;
  --color-warning-soft: #fdf3df;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 6px 16px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.45;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding: 0.85rem 1.25rem;
  background: var(--color-primary);
  color: white;
}

.topbar .brand {
  position: relative;
  display: inline-block;
  color: white;
  font-weight: 800;
  letter-spacing: 0.01em;
  text-decoration: none;
  font-size: 1.15rem;
  padding-bottom: 6px;
}

.topbar .brand::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 62%;
  height: 3px;
  border-radius: 2px;
  background: var(--color-accent);
}

.topbar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.1rem;
}

.topbar nav a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.topbar nav a:hover {
  color: #ffffff;
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.78);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 0.15s ease;
}

.nav-dropdown-toggle:hover {
  color: #ffffff;
}

.nav-dropdown-toggle::after {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
}

.nav-dropdown-panel {
  display: none;
  position: absolute;
  top: calc(100% + 0.85rem);
  left: 0;
  min-width: 175px;
  background: var(--color-primary-hover);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-sm);
  padding: 0.4rem;
  box-shadow: var(--shadow-md);
  z-index: 20;
}

.nav-dropdown.nav-dropdown-open .nav-dropdown-panel {
  display: flex;
  flex-direction: column;
}

.nav-dropdown-panel a {
  padding: 0.5rem 0.6rem;
  border-radius: 4px;
  white-space: nowrap;
}

.nav-dropdown-panel a:hover {
  background: rgba(255, 255, 255, 0.08);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.4rem;
  line-height: 1;
  padding: 0.25rem 0.4rem;
  cursor: pointer;
}

@media (max-width: 800px) {
  .nav-toggle { display: block; }

  .topbar nav {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
    margin-top: 0.4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
  }

  .topbar nav.nav-open {
    display: flex;
  }

  .topbar nav a {
    width: 100%;
    padding: 0.65rem 0.1rem;
    font-size: 0.95rem;
  }

  .nav-dropdown {
    width: 100%;
  }

  .nav-dropdown-toggle {
    width: 100%;
    padding: 0.65rem 0.1rem;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.55);
  }

  .nav-dropdown-toggle::after {
    display: none;
  }

  .nav-dropdown-panel {
    display: flex !important;
    position: static;
    flex-direction: column;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0 0 0.3rem 1rem;
    min-width: 0;
  }

  .nav-dropdown-panel a {
    width: 100%;
    padding: 0.55rem 0.1rem;
  }
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem;
  color: var(--color-primary);
}

h2 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
  color: var(--color-primary);
}

p { color: var(--color-text-muted); }

a { color: var(--color-accent); }

/* --- Cards ------------------------------------------------------------ */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
  margin: 1rem 0 1.5rem;
}

/* --- Forms -------------------------------------------------------------- */

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1rem 0;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

input, select, textarea, button {
  font-family: inherit;
  font-size: 0.95rem;
}

input, select, textarea {
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 400;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

input[type="search"] {
  margin: 0.25rem 0 0.75rem;
  max-width: 320px;
}

/* --- Buttons ------------------------------------------------------------ */

button, .button {
  background: var(--color-primary);
  color: white;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  transition: background 0.15s ease, transform 0.05s ease;
}

button:hover, .button:hover {
  background: var(--color-primary-hover);
}

button:active, .button:active {
  transform: translateY(1px);
}

.btn-danger {
  background: transparent;
  color: var(--color-danger);
  border-color: var(--color-danger);
}

.btn-danger:hover {
  background: var(--color-danger-soft);
}

.btn-link {
  background: none;
  border: none;
  color: var(--color-accent);
  padding: 0;
  font-weight: 600;
  text-decoration: underline;
}

.btn-link:hover {
  background: none;
  color: var(--color-primary);
}

.actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1rem 0 1.5rem;
}

.row-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.row-actions form { margin: 0; display: inline; }

.inline-form {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  margin: 0;
}

.inline-form-stack {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: 0.5rem 0 0;
  max-width: 220px;
}

.input-mini {
  width: 5.5rem;
  padding: 0.4rem 0.5rem;
}

.button-small {
  padding: 0.4rem 0.7rem;
  font-size: 0.82rem;
}

/* --- Tables --------------------------------------------------------------- */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th {
  text-align: left;
  padding: 0.6rem 0.5rem;
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--color-border);
}

td {
  text-align: left;
  padding: 0.7rem 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--color-bg); }

/* --- Flash messages --------------------------------------------------- */

.flashes {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.flashes li {
  padding: 0.75rem 1rem;
  background: var(--color-accent-soft);
  border: 1px solid #c9dce8;
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-size: 0.9rem;
}

.flashes li.warning {
  background: var(--color-warning-soft);
  border-color: #f0dfb4;
  border-left-color: var(--color-warning);
  color: #5c3d00;
  font-weight: 600;
}

/* --- Animación de lectura de factura ------------------------------------- */

.loading-view {
  text-align: center;
  padding: 1.5rem 0 0.5rem;
}

.spinner {
  width: 44px;
  height: 44px;
  margin: 0 auto 1.5rem;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: costeo-spin 0.8s linear infinite;
}

@keyframes costeo-spin {
  to { transform: rotate(360deg); }
}

.loading-steps {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 320px;
  text-align: left;
}

.loading-steps li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.loading-steps li::before {
  content: "";
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  transition: all 0.2s;
}

.loading-steps li.active {
  color: var(--color-primary);
  font-weight: 600;
}

.loading-steps li.active::before {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  animation: costeo-pulse 1s ease-in-out infinite;
}

.loading-steps li.done::before {
  content: "\2713";
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  line-height: 1;
}

@keyframes costeo-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

/* --- Rentabilidad -------------------------------------------------------- */

tr.fila-riesgo { background: var(--color-warning-soft); }
tr.fila-riesgo:hover { background: #fbe9c6; }

tr.fila-barata { background: var(--color-accent-soft); }
tr.fila-barata:hover { background: #dbe9f1; }

/* --- Usage note --------------------------------------------------------- */

.usage-note {
  display: inline-block;
  margin: -0.5rem 0 1.25rem;
  padding: 0.35rem 0.75rem;
  background: var(--color-accent-soft);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
}

.usage-note-warning {
  background: var(--color-warning-soft);
  color: #5c3d00;
}

.usage-note-warning a {
  color: #5c3d00;
  text-decoration: underline;
}

/* --- Tarjetas de planes --------------------------------------------------- */

.planes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 1.25rem 0;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.plan-card {
  text-align: left;
  position: relative;
  padding: 2rem 1.75rem 1.75rem;
}

.plan-card--destacado {
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-md);
}

.plan-badge {
  position: absolute;
  top: -0.7rem;
  left: 1.75rem;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}

.plan-card h3 {
  margin: 0 0 0.4rem;
  color: var(--color-primary);
  font-size: 1.1rem;
}

.plan-precio {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-primary);
  margin: 0.25rem 0;
}

.plan-precio span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.plan-detalle {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin: 0 0 1.25rem;
}

.plan-beneficios {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.plan-beneficios li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.9rem;
  color: var(--color-text);
}

.plan-beneficios svg {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
  color: var(--color-accent);
}

.plan-card .button {
  width: 100%;
}

/* --- Ficha técnica -------------------------------------------------------- */

.ficha-tecnica {
  max-width: 640px;
}

.ficha-negocio {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.15rem;
}

.ficha-totales {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.ficha-totales p { margin: 0.3rem 0; }

.ficha-fecha {
  margin-top: 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

@media print {
  .topbar, .flashes, .no-print { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; border: none; padding: 0; }
}

/* --- Mobile card-table layout ------------------------------------------ */

@media (max-width: 480px) {
  .container { padding: 1rem 0.85rem 2.5rem; }

  /* En móvil cada fila ya se ve como su propia tarjeta -- una tarjeta que
     SOLO contiene una tabla (.card-table) queda transparente para no
     anidar bordes. Las tarjetas de formularios (que mezclan tabla y otros
     campos) conservan su estilo normal. */
  .card-table {
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
  }

  table, tbody { display: block; }
  thead { display: none; }

  tbody tr {
    display: block;
    margin-bottom: 0.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 0.65rem 0.85rem;
  }

  td {
    border: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.4rem 0;
  }

  td[data-label]::before {
    content: attr(data-label);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-text-muted);
    flex-shrink: 0;
  }

  td input, td select {
    text-align: right;
  }
}

/* --- Página de ventas (landing) ------------------------------------------ */

.button-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  display: inline-block;
}

.button-secondary:hover {
  background: var(--color-accent-soft);
}

.hero {
  position: relative;
  overflow: hidden;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: 4.5rem 1.5rem 4rem;
  text-align: center;
  color: #ffffff;
  background: linear-gradient(180deg, #0b1220, #0f1b2e 70%);
}

.hero-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(640px 380px at 50% -8%, rgba(111, 163, 196, 0.35), transparent 68%);
}

.hero-inner {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8fbcda;
  margin: 0 0 1.1rem;
}

.hero h1 {
  font-size: clamp(2rem, 5.4vw, 3.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  max-width: 680px;
  margin: 0 auto 1.15rem;
  color: #ffffff;
  background: linear-gradient(180deg, #ffffff 45%, #c9dcea 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  max-width: 560px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
  line-height: 1.6;
  color: #a9bccd;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 0;
}

.hero .button {
  background: #ffffff;
  color: var(--color-primary);
}

.hero .button:hover {
  background: #dbe9f1;
}

.hero .button-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.28);
}

.hero .button-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
}

.hero-stats {
  max-width: 720px;
  margin: 2.75rem auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  overflow: hidden;
}

.hero-stat {
  background: #0d1626;
  padding: 1.35rem 1rem;
}

.hero-stat .n {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  font-variant-numeric: tabular-nums;
  margin: 0;
}

.hero-stat .l {
  font-size: 0.76rem;
  color: #8fa1b4;
  margin: 0.3rem 0 0;
}

.landing-section {
  padding: 4rem 0;
}

.landing-section-alt {
  background: var(--color-accent-soft);
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: 4rem calc(50vw - 50%) 4rem;
}

.landing-section-alt > * {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.landing-section-alt .steps-grid {
  max-width: 100%;
}

.landing-section h2 {
  text-align: center;
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  margin-bottom: 2.25rem;
  color: var(--color-primary);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.15rem;
}

.pasos-flujo {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: 1.15rem;
}

.pasos-flujo .step-card {
  flex: 1 1 220px;
  max-width: 320px;
}

.pasos-flecha {
  display: none;
  align-items: center;
  color: var(--color-border);
  flex: 0 0 auto;
}

.pasos-flecha svg {
  width: 1.4rem;
  height: 1.4rem;
}

@media (min-width: 760px) {
  .pasos-flecha { display: flex; }
}

.step-card {
  text-align: left;
  padding: 1.75rem 1.6rem;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.step-icon {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 10px;
  background: linear-gradient(160deg, var(--color-accent), var(--color-primary));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
}

.step-icon--teal {
  background: linear-gradient(160deg, #2f8f7a, #1c5c4d);
}

.step-icon--terracota {
  background: linear-gradient(160deg, #c17a45, #7a4a24);
}

.step-icon svg {
  width: 1.3rem;
  height: 1.3rem;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.step-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 0.3rem;
}

.step-card h3 {
  margin: 0 0 0.5rem;
  color: var(--color-primary);
  font-size: 1.05rem;
}

.step-card p:not(.step-eyebrow) {
  font-size: 0.92rem;
  margin: 0;
}

.landing-note {
  text-align: center;
  font-size: 0.9rem;
}

.landing-cta {
  text-align: center;
  padding: 3rem 1.5rem;
  margin: 1.5rem 0 0;
  background: linear-gradient(160deg, var(--color-primary), #0f1b2e);
  border-radius: var(--radius);
}

.landing-cta h2 {
  color: white;
  margin-top: 0;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.landing-cta .button {
  background: white;
  color: var(--color-primary);
}

.landing-cta .button:hover {
  background: var(--color-accent-soft);
}

.asistente-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.asistente-showcase .asistente-copy h2 {
  text-align: left;
  margin-bottom: 1rem;
}

.landing-mockup {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: var(--shadow-md);
}

.asistente-mockup .chat-box {
  height: auto;
  overflow: visible;
  margin-bottom: 0;
}

.inventario-mockup .inv-alerta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.inventario-mockup .inv-nombre {
  font-weight: 600;
  color: var(--color-primary);
  margin: 0 0 0.2rem;
}

.inventario-mockup .inv-sub {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

.inventario-mockup .inv-badge {
  flex-shrink: 0;
  background: var(--color-warning-soft);
  color: #5c3d00;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
}

.inventario-mockup .inv-orden-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 0.3rem;
}

.inventario-mockup .inv-orden-detalle {
  font-weight: 600;
  color: var(--color-primary);
  margin: 0;
  font-size: 1.05rem;
}

@media (max-width: 720px) {
  .asistente-showcase {
    grid-template-columns: 1fr;
  }
  .asistente-showcase .asistente-copy h2 {
    text-align: center;
  }
}

/* --- Panel de administración ---------------------------------------------- */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.85rem;
  margin: 1rem 0 2rem;
}

.kpi-card {
  text-align: center;
  padding: 1rem;
}

.kpi-num {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 0.15rem;
}

.kpi-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0;
}

.kpi-highlight {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
}

.kpi-highlight .kpi-num {
  color: var(--color-accent);
}

.kpi-danger {
  background: var(--color-danger-soft);
  border-color: var(--color-danger);
}

.kpi-danger .kpi-num {
  color: var(--color-danger);
}

/* --- Asistente IA (chat) --------------------------------------------------- */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.chat-box {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  height: 360px;
  overflow-y: auto;
  padding: 0.25rem;
  margin-bottom: 1rem;
}

.chat-bubble {
  max-width: 80%;
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius);
  font-size: 0.92rem;
  line-height: 1.4;
  white-space: pre-wrap;
}

.chat-user {
  align-self: flex-end;
  background: var(--color-primary);
  color: white;
  border-bottom-right-radius: 2px;
}

.chat-assistant {
  align-self: flex-start;
  background: var(--color-accent-soft);
  color: var(--color-primary);
  border-bottom-left-radius: 2px;
}

.chat-loading {
  align-self: flex-start;
  color: var(--color-text-muted);
  font-style: italic;
  background: none;
  padding: 0.3rem 0.9rem;
}

.chat-error {
  align-self: flex-start;
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.chat-input-row {
  display: flex;
  gap: 0.6rem;
}

.chat-input-row input {
  flex: 1;
}

.chat-toolbar {
  margin-bottom: 0.75rem;
}

.chat-historial-list {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.chat-historial-item {
  flex: 0 0 auto;
  white-space: nowrap;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 0.82rem;
  text-decoration: none;
}

.chat-historial-item:hover {
  border-color: var(--color-accent);
  color: var(--color-primary);
}

.chat-historial-item.activa {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-primary);
  font-weight: 600;
}