:root {
  --sc-navy: #1a1f3c;
  --sc-blue: #2563eb;
  --sc-orange: #e8441a;
  --sc-amber: #f59e0b;
  --sc-green: #22c55e;
  --sc-page-from: #f0f4fc;
  --sc-page-to: #fafafa;
  --sc-surface: #ffffff;
  --sc-text: #0f172a;
  --sc-muted: #64748b;
  --sc-border: #e2e8f0;
  --sc-radius: 8px;
  --sc-radius-lg: 16px;
  --sc-mondrian: linear-gradient(90deg, #1a1f3c 0%, #2563eb 40%, #e8441a 75%, #f59e0b 100%);
  --sc-fade: .22s;
  --sc-ease: cubic-bezier(.22, 1, .36, 1);
  --sc-sidebar-w: 15rem;
  --sc-font: Inter, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
.sc-body {
  font-family: var(--sc-font);
  color: var(--sc-text);
  background: linear-gradient(180deg, var(--sc-page-from), var(--sc-page-to));
  min-height: 100vh;
}

.sc-mondrian { height: 4px; background: var(--sc-mondrian); border-radius: 2px 2px 0 0; }
.sc-muted { color: var(--sc-muted); font-size: .875rem; }

.sc-auth {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.sc-auth__card {
  width: 100%;
  max-width: 420px;
  background: var(--sc-surface);
  border-radius: var(--sc-radius-lg);
  box-shadow: 0 1px 2px rgb(15 23 42 / .06), 0 8px 24px rgb(26 31 60 / .06);
  overflow: hidden;
}
.sc-auth__body { padding: 1.5rem; }
.sc-auth__brand { font-weight: 800; color: var(--sc-navy); margin: 0 0 .25rem; font-size: 1.125rem; }
.sc-auth__title { font-size: 1.5rem; font-weight: 700; margin: .75rem 0 .5rem; }

.sc-field { margin-bottom: 1rem; }
.sc-field label { display: block; font-size: .8125rem; font-weight: 600; margin-bottom: .35rem; }
.sc-field input {
  width: 100%;
  padding: .65rem .75rem;
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius);
  font: inherit;
}
.sc-field input:focus {
  outline: 2px solid var(--sc-blue);
  outline-offset: 1px;
}

.sc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  border: none;
  border-radius: var(--sc-radius);
  padding: .7rem 1rem;
  font: 600 .9375rem/1 var(--sc-font);
  cursor: pointer;
  transition: background var(--sc-fade) var(--sc-ease), box-shadow var(--sc-fade) var(--sc-ease), filter var(--sc-fade) var(--sc-ease);
}
.sc-btn:focus-visible { outline: 2px solid var(--sc-blue); outline-offset: 2px; }
.sc-btn--primary { background: var(--sc-blue); color: #fff; width: 100%; }
.sc-btn--primary:hover { filter: brightness(1.05); }
.sc-btn--danger {
  background: #fff;
  color: var(--sc-orange);
  border: 1.5px solid var(--sc-orange);
}
.sc-btn--danger:hover { background: #fff7ed; }
.sc-btn--danger-fill { background: var(--sc-orange); color: #fff; border: none; }
.sc-btn--ghost {
  background: transparent;
  color: #e2e8f0;
  border: 1px solid #ffffff33;
}
.sc-btn--secondary {
  background: #fff;
  color: var(--sc-text);
  border: 1px solid var(--sc-border);
}

.sc-alert {
  padding: .75rem 1rem;
  border-radius: var(--sc-radius);
  margin-bottom: 1rem;
  font-size: .875rem;
}
.sc-alert--error { background: #fef2f2; color: #991b1b; border-left: 3px solid var(--sc-orange); }
.sc-alert--ok { background: #f0fdf4; color: #166534; border-left: 3px solid var(--sc-green); }
.sc-alert--warn { background: #fffbeb; color: #92400e; border-left: 3px solid var(--sc-amber); }

.sc-shell {
  display: grid;
  grid-template-columns: var(--sc-sidebar-w) 1fr;
  min-height: 100vh;
}
.sc-shell__sidebar {
  background: var(--sc-navy);
  color: #e2e8f0;
  padding: 1.25rem .85rem;
  display: flex;
  flex-direction: column;
}
.sc-shell__brand { font-weight: 800; color: #fff; margin-bottom: 1.25rem; padding: 0 .5rem; }
.sc-shell__nav-link {
  display: block;
  padding: .55rem .75rem;
  border-radius: var(--sc-radius);
  color: #ffffffd9;
  text-decoration: none;
  margin-bottom: .25rem;
  transition: background var(--sc-fade) var(--sc-ease);
}
.sc-shell__nav-link:hover, .sc-shell__nav-link.is-active {
  background: rgb(37 99 235 / .28);
  color: #fff;
}
.sc-shell__footer { margin-top: auto; padding-top: 1rem; border-top: 1px solid #ffffff1a; }
.sc-shell__user { font-size: .8125rem; color: #ffffffa6; padding: 0 .5rem .5rem; }
.sc-shell__main { display: flex; flex-direction: column; min-width: 0; }
.sc-shell__topbar {
  background: var(--sc-surface);
  margin: 1rem 1.25rem 0;
  padding: .85rem 1rem;
  border-radius: var(--sc-radius-lg);
  border-top: 4px solid transparent;
  border-image: var(--sc-mondrian) 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.sc-shell__content { padding: 1rem 1.25rem 2rem; }

.sc-page {
  animation: sc-fade-in var(--sc-fade) var(--sc-ease) both;
}
@keyframes sc-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.sc-status {
  background: var(--sc-surface);
  border-radius: var(--sc-radius-lg);
  border-top: 4px solid transparent;
  border-image: var(--sc-mondrian) 1;
  padding: 1.25rem;
  display: flex;
  gap: 1.25rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  box-shadow: 0 8px 24px rgb(26 31 60 / .06);
  margin-bottom: 1rem;
}
.sc-status__left { display: flex; gap: 1rem; align-items: center; }
.sc-semaforo {
  width: 1.75rem; height: 1.75rem; border-radius: 50%;
  flex-shrink: 0;
}
.sc-semaforo--ok { background: var(--sc-green); }
.sc-semaforo--warn { background: var(--sc-amber); }
.sc-semaforo--alert {
  background: var(--sc-orange);
  animation: sc-pulse-soft 1.8s ease-in-out infinite;
}
.sc-semaforo--paused { background: #94a3b8; }
@keyframes sc-pulse-soft {
  0%, 100% { box-shadow: 0 0 0 0 rgb(232 68 26 / .35); }
  50% { box-shadow: 0 0 0 6px rgb(232 68 26 / 0); }
}

.sc-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}
.sc-kpi {
  background: var(--sc-surface);
  border-radius: var(--sc-radius-lg);
  padding: 1rem;
  border-top: 4px solid var(--sc-blue);
  box-shadow: 0 1px 2px rgb(15 23 42 / .06);
  transition: transform var(--sc-fade) var(--sc-ease), box-shadow var(--sc-fade) var(--sc-ease);
}
.sc-kpi:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgb(26 31 60 / .08);
}
.sc-kpi--ok { border-top-color: var(--sc-green); }
.sc-kpi--warn { border-top-color: var(--sc-amber); }
.sc-kpi--danger { border-top-color: var(--sc-orange); }
.sc-kpi__label {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--sc-muted);
}
.sc-kpi__value { font-size: 1.75rem; font-weight: 700; margin-top: .35rem; font-variant-numeric: tabular-nums; }

.sc-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
.sc-card {
  background: var(--sc-surface);
  border-radius: var(--sc-radius-lg);
  padding: 1rem;
  border-top: 4px solid var(--sc-navy);
  box-shadow: 0 1px 2px rgb(15 23 42 / .06);
}
.sc-card h3 { margin: 0 0 .75rem; font-size: .875rem; color: var(--sc-navy); }
.sc-card ul { margin: 0; padding-left: 1.1rem; color: var(--sc-muted); font-size: .875rem; }
.sc-card li { margin-bottom: .35rem; }

.sc-disclaimer { font-size: .75rem; color: var(--sc-muted); margin-top: 1.5rem; }

.sc-modal-backdrop {
  position: fixed; inset: 0;
  background: rgb(26 31 60 / .55);
  backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem; z-index: 1000;
}
.sc-modal {
  background: #fff;
  border-radius: var(--sc-radius-lg);
  max-width: 440px; width: 100%;
  overflow: hidden;
  box-shadow: 0 16px 48px rgb(26 31 60 / .25);
}
.sc-modal__bar { height: 4px; background: linear-gradient(90deg, #e8441a, #f59e0b); }
.sc-modal__body { padding: 1.25rem; }
.sc-modal__actions { display: flex; gap: .75rem; justify-content: flex-end; margin-top: 1rem; }

.sc-table { width: 100%; border-collapse: collapse; font-size: .8125rem; }
.sc-table th, .sc-table td { text-align: left; padding: .55rem .65rem; border-bottom: 1px solid var(--sc-border); }
.sc-table th { background: #f8fafc; font-weight: 600; }
.sc-table tr:nth-child(even) td { background: #f8fafc; }

@media (max-width: 1024px) {
  .sc-shell { grid-template-columns: 1fr; }
  .sc-shell__sidebar { display: none; }
  .sc-kpis { grid-template-columns: 1fr 1fr; }
  .sc-grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .sc-kpis { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .sc-page, .sc-semaforo--alert, .sc-kpi { animation: none !important; transition: none !important; }
  .sc-kpi:hover { transform: none; }
}