/* ===== AJUCON Design Tokens ===== */
:root {
  --bg:           #f0f4ff;
  --bg2:          #e8edf8;
  --surface:      #ffffff;
  --surface2:     #f8fafc;
  --border:       #e2e8f0;
  --border2:      #cbd5e1;
  --text:         #1e293b;
  --text-muted:   #64748b;
  --text-faint:   #94a3b8;
  --accent:       #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft:  #dbeafe;
  --shadow:       0 2px 12px rgba(0,0,0,.07);
  --shadow-lg:    0 8px 24px rgba(0,0,0,.10);
  --radius:       14px;
  --radius-sm:    8px;
  --transition:   background .2s, color .2s, border-color .2s;
}

[data-theme="dark"] {
  --bg:           #0d1117;
  --bg2:          #0f172a;
  --surface:      #161b27;
  --surface2:     #1e293b;
  --border:       #1e293b;
  --border2:      #334155;
  --text:         #e2e8f0;
  --text-muted:   #94a3b8;
  --text-faint:   #475569;
  --accent:       #60a5fa;
  --accent-hover: #93c5fd;
  --accent-soft:  #1e3a5f;
  --shadow:       0 2px 12px rgba(0,0,0,.3);
  --shadow-lg:    0 8px 24px rgba(0,0,0,.4);
}

/* ===== Base reset con variables ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: var(--transition);
  min-height: 100vh;
}

/* ===== User info chip (header de páginas internas) ===== */
.user-chip { display: flex; flex-direction: row; flex-wrap: nowrap; align-items: center; gap: 10px; margin-left: auto; }
.user-chip .chip-grado { font-size: .8rem; color: var(--text-muted); display: none; }
@media (min-width: 600px) { .user-chip .chip-grado { display: block; } }
.user-chip .chip-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent); color: white;
  font-weight: 700; font-size: .9rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.user-chip .chip-nombre { font-size: .85rem; font-weight: 600; color: var(--text); display: none; }
@media (min-width: 480px) { .user-chip .chip-nombre { display: block; } }
.btn-salir {
  background: none; border: 1px solid var(--border2);
  border-radius: var(--radius-sm); padding: 5px 12px;
  font-size: .82rem; color: var(--text-muted); cursor: pointer;
  transition: var(--transition); white-space: nowrap;
}
.btn-salir:hover { border-color: #ef4444; color: #ef4444; }

/* ===== Toggle button ===== */
.theme-toggle {
  background: var(--surface);
  border: 1.5px solid var(--border2);
  border-radius: 50%;
  width: 36px; height: 36px;
  font-size: .95rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}