/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--cead-bg);
  color: var(--slate-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue-600); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: var(--font-body); }
input, select, textarea { font-family: var(--font-body); }

/* ── Layout Shell ─────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--cead-dark);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition-md);
}

.main-content {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Sidebar Logo ─────────────────────────────────────────── */
.sidebar-logo {
  padding: 16px 14px 14px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.sidebar-logo-img-wrap {
  background: var(--white);
  border-radius: var(--radius);
  padding: 6px 10px;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
}
.sidebar-logo-img {
  width: 100%;
  max-width: 148px;
  height: 52px;
  object-fit: contain;
  display: block;
}
/* Fallback cuando no hay imagen */
.logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--cead-celeste), var(--cead-dark));
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; margin-bottom: 4px;
  box-shadow: 0 4px 12px rgba(0,174,239,.3);
}
.logo-name {
  font-family: var(--font-display);
  font-size: .82rem; font-weight: 700;
  color: var(--white); letter-spacing: .01em;
}
.logo-sub {
  font-size: .68rem;
  color: rgba(255,255,255,.45);
  letter-spacing: .02em;
  text-align: center;
}

/* ── Sidebar Nav ──────────────────────────────────────────── */
.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 500;
  color: var(--blue-200);
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
}
.nav-item:hover {
  background: rgba(255,255,255,.07);
  color: var(--white);
}
.nav-item.active {
  background: var(--cead-menu);
  color: var(--white);
  box-shadow: inset 3px 0 0 var(--cead-celeste);
}
.nav-item span:first-child { font-size: 1rem; width: 20px; text-align: center; }
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-item-portal {
  margin-top: 8px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 10px;
}
.nav-item-sep {
  margin-top: 8px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 10px;
}

/* ── Sidebar Footer ───────────────────────────────────────── */
.sidebar-footer {
  padding: 12px 10px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sidebar-footer .btn-ghost,
.sidebar-footer .btn-ghost-small {
  display: flex;
  align-items: center;
  width: 100%;
  justify-content: flex-start;
  gap: 8px;
  font-size: .78rem;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--blue-300, #93c5fd);
  background: transparent;
  border: none;
  font-family: var(--font-body);
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
}
.sidebar-footer .btn-ghost:hover,
.sidebar-footer .btn-ghost-small:hover {
  background: rgba(255,255,255,.07);
  color: var(--white);
}
.sidebar-footer .btn-ghost svg,
.sidebar-footer .btn-ghost-small svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}
.sidebar-footer .btn-ghost-danger {
  color: var(--rose-500, #f43f5e);
}
.sidebar-footer .btn-ghost-danger:hover {
  background: rgba(244,63,94,.12);
  color: var(--rose-400, #fb7185);
}

/* ── Topbar ───────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--topbar-h);
  background: linear-gradient(90deg, var(--cead-dark) 0%, var(--cead-medium) 100%);
  border-bottom: 1px solid rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  box-shadow: 0 2px 8px rgba(26,50,114,.22);
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-right { display: flex; align-items: center; gap: 8px; }
.page-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
}
.sidebar-toggle {
  display: none;
  background: transparent;
  border: none;
  padding: 6px;
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  color: var(--white);
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  background: var(--cead-dark);
  color: var(--white);
  font-size: var(--text-base);
  font-weight: 600;
  border: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-btn-primary);
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--cead-medium);
  box-shadow: var(--shadow-btn-primary-hover);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  background: var(--white);
  color: var(--slate-700);
  font-size: var(--text-base);
  font-weight: 500;
  border: 1.5px solid var(--slate-300);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  white-space: nowrap;
  cursor: pointer;
}
.btn-outline:hover {
  border-color: var(--cead-celeste);
  color: var(--cead-dark);
  background: var(--blue-50);
}

.btn-sm {
  padding: 5px 12px;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  background: transparent;
  color: var(--slate-600);
  font-size: var(--text-base);
  font-weight: 500;
  border: none;
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
}
.btn-ghost:hover {
  background: var(--slate-100);
  color: var(--slate-800);
}

.btn-ghost-small {
  padding: 4px 10px;
  font-size: .76rem;
  border-radius: var(--radius-sm);
}

.btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  background: var(--rose-600);
  color: var(--white);
  font-size: var(--text-base);
  font-weight: 600;
  border: none;
  transition: background var(--transition);
  cursor: pointer;
}
.btn-danger:hover { background: var(--rose-500); }

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: .82rem;
  font-weight: 500;
  color: var(--slate-600);
  background: transparent;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), color var(--transition);
}
.btn-back:hover { border-color: var(--slate-400); color: var(--slate-800); }

.btn-export {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.13);
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: 600;
  border: 1.5px solid rgba(255,255,255,.28);
  transition: background var(--transition), border-color var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-export:hover {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.48);
}

/* Variante de peligro — diferencia el botón Salir de Backup y Exportar */
.btn-export-danger {
  border-color: rgba(255,100,100,.45);
  color: rgba(255,200,200,.9);
}
.btn-export-danger:hover {
  background: rgba(220,50,50,.25);
  border-color: rgba(255,100,100,.7);
  color: var(--white);
}

.btn-carnet {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--gold-500), var(--gold-400));
  color: var(--white);
  font-size: var(--text-base);
  font-weight: 700;
  border: none;
  box-shadow: var(--shadow-btn-carnet);
  transition: box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
}
.btn-carnet:hover {
  box-shadow: var(--shadow-btn-carnet-hover);
  transform: translateY(-1px);
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: var(--radius);
  background: var(--cead-whatsapp);
  color: var(--white);
  font-size: var(--text-base);
  font-weight: 700;
  border: none;
  box-shadow: var(--shadow-btn-wa);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
}
.btn-whatsapp:hover {
  background: var(--cead-whatsapp-hover);
  box-shadow: var(--shadow-btn-wa-hover);
  transform: translateY(-1px);
}

.btn-whatsapp-modal {
  width: 100%;
  justify-content: center;
  padding: 11px 20px;
  font-size: .9rem;
}

.btn-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  border: none;
  background: transparent;
  transition: background var(--transition);
  cursor: pointer;
}
.btn-icon:hover { background: var(--slate-100); }
.btn-icon-blue:hover { background: var(--blue-100); color: var(--blue-700); }
.btn-icon-red:hover  { background: var(--rose-100); color: var(--rose-600); }

/* ── Focus visible global (accesibilidad) ─────────────────── */
.btn-primary:focus-visible,
.btn-outline:focus-visible,
.btn-ghost:focus-visible,
.btn-danger:focus-visible,
.btn-export:focus-visible,
.btn-carnet:focus-visible,
.btn-whatsapp:focus-visible,
.btn-cead-success:focus-visible,
.btn-back:focus-visible,
.btn-icon:focus-visible,
.btn-icon-topbar:focus-visible,
.nav-item:focus-visible,
.accion-btn:focus-visible {
  outline: 2px solid var(--cead-celeste);
  outline-offset: 2px;
}
button:focus-visible,
[role="button"]:focus-visible {
  outline: 2px solid var(--cead-celeste);
  outline-offset: 2px;
}