.tool{min-height:100vh;background:var(--bg)}.tool-bar{position:sticky;top:0;z-index:30;background:var(--navy-900);color:#fff;box-shadow:0 1px #ffffff0f}.tool-bar-inner{max-width:1480px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.tool-home{display:flex;align-items:center;gap:10px;color:#ffffffbf;font-weight:600;font-size:14px}.tool-home:hover{color:#fff;text-decoration:none}.brand-mark.sm{width:34px;height:34px;border-radius:9px;padding:1px;box-shadow:none}.tool-bar .sep{color:#ffffff4d}.tool-title{font-family:var(--display);font-size:18px;letter-spacing:-.01em;margin:0;color:#fff}.tool-tag{font:600 11px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--amber);border:1px solid rgba(245,158,11,.4);border-radius:999px;padding:5px 9px}.tool-actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;align-items:center}.tbtn{font:600 13.5px/1 var(--sans);display:inline-flex;align-items:center;gap:7px;padding:9px 13px;border-radius:9px;border:1px solid transparent;cursor:pointer;white-space:nowrap}.tbtn svg{width:16px;height:16px}.tbtn:hover{text-decoration:none}.tbtn.primary{background:var(--amber);color:var(--navy-900)}.tbtn.primary:hover{background:#fbbf24}.tbtn.ghost{background:#ffffff14;color:#fff;border-color:#ffffff24}.tbtn.ghost:hover{background:#ffffff24}.tbtn.line{background:#fff;color:var(--ink);border-color:var(--line)}.tbtn.line:hover{border-color:var(--ink-3)}.tbtn.sm{padding:6px 9px;font-size:12.5px;border-radius:7px}.tbtn:disabled{opacity:.5;cursor:default}.tbtn.danger{color:#b42318}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%);z-index:50;background:var(--navy-900);color:#fff;padding:11px 16px;border-radius:10px;font-size:14px;box-shadow:var(--shadow);max-width:calc(100vw - 32px)}.toast.err{background:#7a1d12}.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}@media (max-width: 700px){.tool-bar-inner{padding:8px 14px;gap:8px}.tool-actions{margin-left:0;width:100%}.tool-tag{display:none}}@media print{.tool-bar,.no-print{display:none!important}.tool{background:#fff}}