*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* ── Sidebar / shell chrome (stays dark) ── */
  --navy:        #1a1a2e;
  --navy-dark:   #0f0f20;
  --gold:        #c9a84c;
  --gold-light:  #e8c96d;
  --surface:     rgba(255,255,255,0.07);
  --surface-2:   rgba(255,255,255,0.08);
  --text:        rgba(255,255,255,0.88);
  --text-muted:  rgba(255,255,255,0.48);

  /* ── Content area (light) ── */
  --body-bg:     #f4f5f7;
  --card-bg:     #ffffff;
  --card-border: #e4e8ee;
  --text-dark:   #1e293b;
  --text-mid:    #64748b;
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.08);

  /* ── Shared ── */
  --danger:      #dc2626;
  --sidebar-w:   220px;
  --radius:      10px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html, body, #root { height: 100%; }

body {
  background: var(--body-bg);
  color: var(--text-dark);
  font-family: var(--font);
}

button { cursor: pointer; font-family: inherit; }
a { color: inherit; text-decoration: none; }

/* Sidebar scrollbar */
.nav-scroll::-webkit-scrollbar,
.sidebar::-webkit-scrollbar,
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.nav-scroll::-webkit-scrollbar-track,
.sidebar::-webkit-scrollbar-track,
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.nav-scroll::-webkit-scrollbar-thumb,
.sidebar::-webkit-scrollbar-thumb,
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(201,168,76,0.35); border-radius: 2px; }
.nav-scroll::-webkit-scrollbar-thumb:hover,
.sidebar::-webkit-scrollbar-thumb:hover,
.sidebar-nav::-webkit-scrollbar-thumb:hover { background: rgba(201,168,76,0.65); }
.nav-scroll, .sidebar, .sidebar-nav { scrollbar-width: thin; scrollbar-color: rgba(201,168,76,0.35) transparent; }