:root{--bg-primary:#1a1d21;--bg-secondary:#242830;--bg-tertiary:#2d323c;--bg-card:#2a2f38;--bg-hover:#363c48;--bg-input:#1e2228;--border-color:#404654;--border-light:#353b47;--text-primary:#fff;--text-secondary:#b8bcc8;--text-muted:#8a8f9d;--text-dark:#1a1d21;--accent-primary:#3b82f6;--accent-secondary:#2563eb;--accent-hover:#1d4ed8;--accent-gradient:linear-gradient(135deg,#3b82f6,#2563eb);--accent-blue:#4a9eff;--accent-purple:#a78bfa;--success:#34d399;--success-bg:rgba(52,211,153,.15);--warning:#fbbf24;--warning-bg:rgba(251,191,36,.15);--danger:#f87171;--danger-bg:hsla(0,91%,71%,.15);--info:#60a5fa;--info-bg:rgba(96,165,250,.15);--shadow:0 8px 32px rgba(0,0,0,.3);--shadow-sm:0 2px 12px rgba(0,0,0,.2);--shadow-lg:0 16px 48px rgba(0,0,0,.4);--card-border:1px solid var(--border-color);--card-radius:12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans SC,sans-serif;background-color:var(--bg-primary);color:var(--text-primary)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--bg-hover);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--border-color)}input,select,textarea{background-color:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary)}input::-moz-placeholder,textarea::-moz-placeholder{color:var(--text-muted)}input::placeholder,textarea::placeholder{color:var(--text-muted)}button{font-family:inherit}