:root{--color-bg:#0b0d12;--color-surface:#14171f;--color-surface-2:#1c2030;--color-border:#262b3a;--color-border-strong:#343a4d;--color-text:#e6e8ee;--color-text-muted:#8a90a3;--color-primary:#5b8cff;--color-primary-hover:#4577ee;--color-success:#43c08a;--color-warning:#f0b34a;--color-error:#e26464;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--text-xs:12px;--text-sm:13px;--text-md:15px;--text-lg:18px;--text-xl:22px;--text-2xl:28px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;font-size:var(--text-md);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-hover)}h1,h2,h3,h4{margin:0 0 var(--space-2) 0;font-weight:700}.surface-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-5)}.card-copy{color:var(--color-text-muted)}.btn,.card-copy{font-size:var(--text-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border-radius:var(--radius-sm);border:1px solid var(--color-border-strong);background:var(--color-surface-2);color:var(--color-text);cursor:pointer;font-weight:500;text-decoration:none;transition:background .12s ease,border-color .12s ease}.btn:hover{background:var(--color-border)}.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover);color:#fff}.btn-danger{background:transparent;color:var(--color-error);border-color:rgba(226,100,100,.5)}.btn-danger:hover{background:rgba(226,100,100,.12)}.form-input,.form-select,.form-textarea{background:var(--color-surface-2);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);color:var(--color-text);padding:var(--space-2) var(--space-3);font-size:var(--text-sm);font-family:inherit;width:100%}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:2px solid var(--color-primary);outline-offset:1px}.form-row{display:flex;flex-direction:column;gap:var(--space-1)}.form-label{font-size:var(--text-sm);color:var(--color-text-muted)}.field-error{color:var(--color-error)}.field-error,.tag{font-size:var(--text-xs)}.tag{display:inline-flex;align-items:center;gap:var(--space-1);background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:999px;padding:2px 10px;color:var(--color-text-muted)}.tag-primary{background:rgba(91,140,255,.12);border-color:rgba(91,140,255,.3);color:var(--color-primary)}.tag-success{background:rgba(67,192,138,.12);border-color:rgba(67,192,138,.3);color:var(--color-success)}.tag-warning{background:rgba(240,179,74,.12);border-color:rgba(240,179,74,.35);color:var(--color-warning)}.divider{height:1px;background:var(--color-border);margin:var(--space-4) 0}