:root{--bg-primary:#101114;--bg-secondary:#18181f;--bg-tertiary:#22242d;--text-primary:#fcfcfc;--text-secondary:#b9b9c8;--text-muted:#787a8d;--stroke-primary:#22242d;--stroke-secondary:#22242d;--stroke-subtle:#22242d;--brand:#6d8cff;--brand-hover:#5f80ff;--status-warning:#e0a841;--status-success:#12af80;--status-error:#af123c;--radius-sm:14px;--radius-md:18px;--radius-lg:20px;--radius-pill:9999px;--shadow-soft:0 0 0 1px #ffffff05,0 10px 30px #00000038}*{box-sizing:border-box}html,body{background:var(--bg-primary);color:var(--text-primary);margin:0;padding:0;font-family:Arial,sans-serif}body{min-height:100vh}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer;border:none}input,textarea,select{background:var(--bg-secondary);width:100%;color:var(--text-primary);border:1px solid var(--stroke-subtle);border-radius:var(--radius-sm);outline:none;transition:border-color .18s,box-shadow .18s,background .18s}input::placeholder,textarea::placeholder{color:var(--text-muted)}input:focus,textarea:focus,select:focus{border-color:#6d8cffa6;box-shadow:0 0 0 4px #6d8cff1f}textarea{resize:vertical}img,video{max-width:100%;display:block}::selection{color:var(--text-primary);background:#6d8cff47}.flow-card{background:var(--bg-secondary);border:1px solid var(--stroke-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-soft)}.flow-panel{background:var(--bg-tertiary);border:1px solid var(--stroke-subtle);border-radius:var(--radius-md)}.flow-pill{border-radius:var(--radius-pill)}.flow-muted{color:var(--text-muted)}.flow-secondary{color:var(--text-secondary)}