:root {
  --bg-deep:           #070b14;
  --bg-primary:        #0b111e;
  --bg-secondary:      #111827;
  --bg-tertiary:       #1a2538;
  --bg-elevated:       #1f2c42;
  --bg-input:          rgba(255,255,255,0.04);
  --bg-hover:          rgba(200,155,60,0.06);
  --text-primary:      #f0e6d2;
  --text-secondary:    #cdbe91;
  --text-tertiary:     #8b8580;
  --text-muted:        #5a5550;
  --text-inverse:      #070b14;
  --gold:              #c89b3c;
  --gold-light:        #f0e6d2;
  --gold-dark:         #a0782c;
  --gold-glow:         rgba(200,155,60,0.4);
  --gold-border:       rgba(200,155,60,0.20);
  --gold-border-light: rgba(205,190,145,0.15);
  --positive:          #43b581;
  --positive-bg:       rgba(67,181,129,0.12);
  --negative:          #f04747;
  --negative-bg:       rgba(240,71,71,0.12);
  --warning:           #faa61a;
  --info:              #4aa3df;
  --sidebar-width:     240px;
  --content-padding:   32px;
  --card-radius:       8px;
  --button-radius:     4px;
  --panel-radius:      10px;
  --shadow-sm:         0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:         0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg:         0 8px 40px rgba(0,0,0,0.5);
  --shadow-gold:       0 4px 20px rgba(200,155,60,0.25);
  --font-family:       'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Microsoft YaHei', sans-serif;
  --font-mono:         'SF Mono', 'Consolas', monospace;
  --font-xs:           11px; --font-sm: 13px; --font-base: 14px;
  --font-lg:           16px; --font-xl: 20px; --font-2xl: 28px; --font-3xl: 36px;
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;
}