/* ==========================================================
   VALION Control Center
   Sistema de diseño según README-STYLE.md — variables, tipografía,
   espaciado y componentes reutilizables. No modificar sin revisar ese
   documento primero (los únicos 2 valores "de marca" son --brand-primary
   y --brand-accent, y ya coinciden con los de valion.com.co).
   ========================================================== */

:root {
  color-scheme: light;

  --brand-primary:       #1F2937;
  --brand-primary-hover: #1B2532;
  --brand-on-primary:    #ffffff;
  --brand-accent:        #FF9900;
  --brand-accent-hover:  #E68600;
  --brand-gradient:      linear-gradient(90deg, #A9ECD9, #A7D3F5, #C8D9F7);

  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-pill: 999px;

  --surface-1:      #ffffff;
  --page:           #F8FAFC;
  --text-primary:   #232F3E;
  --text-secondary: #667085;
  --text-muted:     #7B8794;
  --gridline:       #E8EDF2;
  --baseline:       #D6DDE6;
  --border:         #E8EDF2;

  --nav-surface: rgba(255,255,255,.82);
  --nav-border:  rgba(226,232,240,.6);

  --series-1:        #2a78d6;
  --success:         #006300;
  --status-good:     #0ca30c;
  --status-warning:  #fab219;
  --status-serious:  #ec835a;
  --status-critical: #d03b3b;
  --delta-bad:       #d03b3b;

  --section-a-bg: color-mix(in srgb, #16A34A 7%, var(--surface-1));
  --section-b-bg: color-mix(in srgb, #1F2937 6%, var(--surface-1));
  --section-c-bg: color-mix(in srgb, #2F6FED 7%, var(--surface-1));

  --ai-accent: #7C3AED;
  --ai-bg:     color-mix(in srgb, #7C3AED 6%, var(--surface-1));
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --brand-primary:       #1F2937;
    --brand-primary-hover: #2A3849;
    --brand-on-primary:    #ffffff;

    --surface-1:      #1a1a19;
    --page:           #0d0d0d;
    --text-primary:   #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted:     #898781;
    --gridline:       #2c2c2a;
    --baseline:       #383835;
    --border:         rgba(255,255,255,0.10);

    --nav-surface: rgba(26,26,25,.82);
    --nav-border:  rgba(255,255,255,.10);

    --series-1:        #3987e5;
    --status-critical: #d03b3b;
    --delta-bad:       #e66767;
  }
}

/* === Base === */

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page);
  color: var(--text-primary);
  font-size: 14px;
}

[hidden] {
  display: none !important;
}

h1, h2, h3, p {
  margin: 0;
}

/* === Shell: topbar === */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 24px;
  height: 56px;
  background: var(--nav-surface);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--nav-border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-logo {
  height: 22px;
  width: auto;
  display: block;
}
.brand-logo--dark {
  display: none;
}
@media (prefers-color-scheme: dark) {
  .brand-logo--light { display: none; }
  .brand-logo--dark { display: block; }
}
.brand-suffix {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  padding-left: 10px;
  border-left: 1px solid var(--border);
}
@media (max-width: 480px) {
  .brand-suffix { display: none; }
}

.user-info {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* === Shell: sidebar colapsable === */

.sidebar {
  position: fixed; /* no sticky -- ver README-STYLE.md §7.8: sticky se despega del scroll real si hay contenido despues */
  top: 56px; left: 0;
  width: 260px; height: calc(100vh - 56px);
  z-index: 8;
  display: flex; flex-direction: column; overflow: hidden;
  border-right: 1px solid var(--border);
  padding: 16px;
  background: var(--surface-1);
  transition: width .15s ease;
}
.sidebar--collapsed { width: 48px; padding-left: 8px; padding-right: 8px; }

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
}
.sidebar-link:hover { background: var(--gridline); color: var(--text-primary); }
.sidebar-link.active { background: color-mix(in srgb, var(--brand-primary) 8%, var(--surface-1)); color: var(--text-primary); }
.sidebar--collapsed .sidebar-link { justify-content: center; padding: 8px; }
.sidebar--collapsed .sidebar-link__label { display: none; }

.sidebar-link__icon {
  flex: none;
  width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
  color: inherit;
}
.sidebar-link__icon svg { width: 100%; height: 100%; }

.sidebar-group-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-muted);
  padding: 14px 10px 4px;
  white-space: nowrap;
}
.sidebar--collapsed .sidebar-group-label { display: none; }

.sidebar-toggle {
  align-self: flex-start;
  margin-bottom: 8px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
}
.sidebar-toggle:hover { background: var(--gridline); color: var(--text-primary); }
.sidebar-toggle .sidebar-link__icon svg { transition: transform .15s ease; }
.sidebar--collapsed .sidebar-toggle { align-self: center; }
.sidebar--collapsed .sidebar-toggle .sidebar-link__icon svg { transform: rotate(180deg); }

@media (prefers-reduced-motion: reduce) {
  .sidebar, .dash-col, .sidebar-toggle .sidebar-link__icon svg { transition: none; }
}

/* === Shell: columna de contenido === */

.dash-col {
  margin-left: 260px;
  transition: margin-left .15s ease;
  max-width: 720px;
  padding: 24px;
}
.dash-col.dash-col--sidebar-collapsed { margin-left: 48px; }

@media (max-width: 760px) {
  .sidebar { position: static; width: auto; height: auto; overflow: visible; border-right: none; border-bottom: 1px solid var(--border); }
  .sidebar.sidebar--collapsed { width: auto; }
  .sidebar-nav { flex-direction: row; flex-wrap: wrap; }
  .sidebar-toggle { display: none; } /* en mobile el sidebar ya va apilado y visible entero, no hace falta colapsarlo */
  .dash-col, .dash-col.dash-col--sidebar-collapsed { margin-left: 0; }
}

@media (max-width: 480px) {
  .dash-col {
    padding: 16px;
  }
  .topbar {
    padding: 0 16px;
  }
}

/* === Card === */

.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
}
.card h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-muted);
  margin: 0 0 16px;
  font-weight: 600;
}

@media (max-width: 480px) {
  .card {
    padding: 14px;
  }
}

/* === Botones === */

.btn {
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  padding: 10px 16px;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease;
}
.btn--sm { padding: 6px 10px; font-size: 12px; }
.btn--primary { background: var(--brand-primary); color: var(--brand-on-primary); }
.btn--primary:hover { background: var(--brand-primary-hover); transform: translateY(-1px); }
.btn--primary:disabled { opacity: .6; cursor: default; }
.btn--ghost { background: transparent; border-color: var(--border); color: var(--text-secondary); }
.btn--ghost:hover { background: var(--gridline); }
.btn--ghost-danger { color: var(--status-critical); }
.btn--ghost-danger:hover { background: color-mix(in srgb, var(--status-critical) 12%, transparent); border-color: var(--status-critical); }

.icon-btn {
  flex: none;
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
}
.icon-btn:hover { background: var(--gridline); color: var(--text-primary); }
.icon-btn:disabled { opacity: .5; cursor: default; }
.icon-btn--danger:hover { background: color-mix(in srgb, var(--status-critical) 12%, transparent); color: var(--status-critical); }

@media (prefers-reduced-motion: reduce) {
  .btn--primary:hover { transform: none; }
}

/* === Badges, dots y severidad === */

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 600;
  padding: 3px 8px 3px 6px;
  border-radius: 999px;
  white-space: nowrap;
  background: var(--gridline);
  color: var(--text-secondary);
}
.dot { width: 8px; height: 8px; border-radius: 50%; flex: none; display: inline-block; }
.dot.critica  { background: var(--status-critical); }
.dot.alta     { background: var(--status-serious); }
.dot.media    { background: var(--status-warning); }
.dot.good     { background: var(--status-good); }
.dot.neutral  { background: var(--text-muted); }
.dot.tipo     { background: var(--series-1); }

/* === Formularios === */

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 12px; color: var(--text-muted); }
.field input, .field select {
  font-family: inherit;
  font-size: 14px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-primary);
}
.field input:focus, .field select:focus { outline: 2px solid var(--text-primary); outline-offset: 1px; }
.form-error { color: var(--delta-bad); font-size: 13px; min-height: 18px; }

/* === Modal === */

.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, .5);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
  z-index: 100;
}
.modal {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(15, 23, 42, .3);
  width: 100%;
  max-width: 560px;
  padding: 20px;
}

/* === Skeleton loading === */

.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--gridline) !important;
  pointer-events: none;
}
.skeleton::after {
  content: "";
  position: absolute; inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent,
    color-mix(in srgb, var(--baseline) 55%, transparent), transparent);
  animation: skeleton-shimmer 1.6s ease-in-out infinite;
}
@keyframes skeleton-shimmer { to { transform: translateX(100%); } }
@media (prefers-reduced-motion: reduce) { .skeleton::after { animation: none; } }

.skeleton--text { display: block; height: .85em; min-height: 10px; border-radius: 4px; width: 100%; }
.skeleton--pill { border-radius: var(--radius-pill); }
.skeleton--circle { border-radius: 50%; }

/* === Listas de items === */

.item { display: flex; gap: 12px; padding: 12px 0; border-top: 1px solid var(--gridline); align-items: center; }
.item:first-child { border-top: none; }
.item .body { flex: 1; min-width: 0; }
.item .title { font-size: 14px; margin-bottom: 2px; }
.item .sub { font-size: 12px; color: var(--text-muted); }
.item .amount { flex: none; font-size: 14px; font-weight: 600; text-align: right; min-width: 90px; }

/* === Utilidades === */

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

pre {
  background: var(--page);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  overflow-x: auto;
  white-space: pre-wrap;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 12px;
  color: var(--text-secondary);
}

.tabular-nums {
  font-variant-numeric: tabular-nums;
}