:root{--bg-primary:#0f1420;--bg-card:#171d2e;--bg-card-hover:#1c2438;--bg-subtle:#121826;--border-color:#232b40;--border-focus:#fed632;--text-main:#e8ecf4;--text-muted:#9aa6bf;--accent:#fed632;--accent-text:#0f1420;--accent-hover:#fae068;--accent-alpha:#fed63226;--color-success:#4ade80;--color-success-bg:#4ade801f;--color-danger:#f87171;--color-danger-bg:#f871711f;--font-base:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--radius-full:9999px;--touch-target:48px;--max-width:900px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{background-color:var(--bg-primary);color:var(--text-main);font-size:18px;line-height:1.6;font-family:var(--font-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (width>=768px){html{font-size:20px}}body{background-color:var(--bg-primary);color:var(--text-main);flex-direction:column;align-items:center;min-height:100vh;padding:16px;display:flex;overflow-x:hidden}@media (width>=768px){body{padding:24px 20px 48px}}.app-container{width:100%;max-width:var(--max-width);flex-direction:column;gap:28px;margin:0 auto;display:flex}.site-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;gap:16px;padding:12px 0;display:flex}.brand-badge{align-items:center;gap:14px;display:flex}.brand-icon-box{border-radius:var(--radius-sm);background-color:var(--accent);width:44px;min-width:44px;height:44px;color:var(--accent-text);justify-content:center;align-items:center;font-size:22px;font-weight:800;display:flex;box-shadow:0 4px 12px #fed63233}.brand-title{color:var(--text-main);font-size:1.15rem;font-weight:700;line-height:1.3}.brand-sub{color:var(--text-muted);font-size:.85rem;font-weight:500}.btn{min-height:var(--touch-target);min-width:var(--touch-target);border-radius:var(--radius-md);cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;border:1px solid #0000;justify-content:center;align-items:center;gap:10px;padding:10px 20px;font-family:inherit;font-size:.95rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.btn-primary{background-color:var(--accent);color:var(--accent-text);border-color:var(--accent)}.btn-primary:hover:not(:disabled){background-color:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-1px)}.btn-outline{color:var(--text-main);border-color:var(--border-color);background-color:#0000}.btn-outline:hover:not(:disabled){background-color:var(--bg-card);border-color:var(--text-muted)}.btn-verified{background-color:var(--color-success-bg);border:1px solid var(--color-success);color:var(--color-success);cursor:default;pointer-events:none}.btn:disabled{opacity:.45;cursor:not-allowed;pointer-events:none}.reason-pill-group{flex-wrap:wrap;gap:8px;display:flex}.reason-pill{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-sm);min-height:42px;color:var(--text-muted);cursor:pointer;-webkit-user-select:none;user-select:none;padding:8px 14px;font-size:.88rem;font-weight:600;transition:all .15s}.reason-pill:hover{border-color:var(--text-muted);color:var(--text-main)}.reason-pill.selected{border-color:var(--accent);background-color:var(--accent-alpha);color:var(--accent);font-weight:700}.stepper-nav{justify-content:space-between;align-items:center;width:100%;margin:10px 0 16px;padding:0 10px;display:flex;position:relative}.stepper-track{background-color:var(--border-color);z-index:1;height:3px;position:absolute;top:50%;left:30px;right:30px;transform:translateY(-50%)}.stepper-track-fill{background-color:var(--accent);width:0%;height:100%;transition:width .3s}.step-node{z-index:2;flex-direction:column;align-items:center;gap:6px;text-decoration:none;display:flex;position:relative}.step-circle{background-color:var(--bg-card);border:2px solid var(--border-color);width:44px;height:44px;color:var(--text-muted);border-radius:50%;justify-content:center;align-items:center;font-size:.95rem;font-weight:700;transition:all .25s;display:flex}.step-node.active .step-circle{border-color:var(--accent);color:var(--accent);box-shadow:0 0 0 4px var(--accent-alpha)}.step-node.completed .step-circle{background-color:var(--accent);border-color:var(--accent);color:var(--accent-text)}.step-label{color:var(--text-muted);text-align:center;white-space:nowrap;font-size:.85rem;font-weight:600}.step-node.active .step-label{color:var(--text-main)}.step-node.completed .step-label{color:var(--accent)}.intro-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);flex-direction:column;gap:12px;padding:24px;display:flex}.page-title{color:var(--text-main);font-size:1.65rem;font-weight:800;line-height:1.3}@media (width>=768px){.page-title{font-size:1.95rem}}.intro-text{color:var(--text-muted);font-size:1rem;line-height:1.65}.task-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);flex-direction:column;gap:20px;padding:24px;transition:border-color .2s;display:flex}.task-card.is-completed{border-color:var(--color-success)}.card-header{flex-direction:column;gap:6px;display:flex}.card-tag{letter-spacing:.08em;text-transform:uppercase;color:var(--accent);font-size:.85rem;font-weight:800}.card-title{color:var(--text-main);font-size:1.35rem;font-weight:700;line-height:1.35}.card-desc{color:var(--text-muted);font-size:.95rem;line-height:1.6}.policy-box{border:1px solid var(--border-color);border-radius:var(--radius-md);font-family:var(--font-mono);color:#cad3e2;white-space:pre;background-color:#0b0e17;padding:16px 20px;font-size:.9rem;line-height:1.7;overflow-x:auto}.policy-key{color:#7dd3fc;font-weight:600}.policy-val-allow{color:#4ade80;font-weight:700}.policy-val-deny{color:#f87171;font-weight:700}.policy-val-string{color:#fde047}.pool-container{background-color:var(--bg-subtle);border:1px dashed var(--border-color);border-radius:var(--radius-md);flex-wrap:wrap;align-items:center;gap:10px;min-height:70px;padding:14px;display:flex}.drag-item{min-height:var(--touch-target);background-color:var(--bg-card);border:2px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-main);font-size:.92rem;font-family:var(--font-mono);cursor:grab;-webkit-user-select:none;user-select:none;touch-action:none;align-items:center;gap:8px;padding:8px 16px;transition:transform .15s,border-color .15s,background-color .15s;display:inline-flex}.drag-item:active{cursor:grabbing}.drag-item.selected{border-color:var(--accent);background-color:var(--accent-alpha);color:var(--accent);box-shadow:0 0 0 2px var(--accent);font-weight:700}.drag-item.is-correct{border-color:var(--color-success);background-color:var(--color-success-bg);color:var(--color-success)}.drag-item.is-wrong{border-color:var(--color-danger);background-color:var(--color-danger-bg);color:var(--color-danger)}.drag-item.dragging{opacity:.4}.dropzone-grid{grid-template-columns:1fr;gap:14px;display:grid}@media (width>=640px){.dropzone-grid{grid-template-columns:1fr 1fr}}.dropzone-card{background-color:var(--bg-subtle);border:2px dashed var(--border-color);border-radius:var(--radius-md);cursor:pointer;flex-direction:column;gap:12px;min-height:140px;padding:16px;transition:all .2s;display:flex}.dropzone-card:hover,.dropzone-card.drag-over{border-color:var(--accent);background-color:#fed6320d}.dropzone-card.target-candidate{border-color:var(--accent);background-color:#fed63214}.dropzone-header{border-bottom:1px solid var(--border-color);flex-direction:column;gap:2px;padding-bottom:8px;display:flex}.dropzone-name{color:var(--accent);font-size:1.05rem;font-weight:700}.dropzone-desc{color:var(--text-muted);font-size:.85rem;line-height:1.4}.dropzone-content{flex-wrap:wrap;align-items:flex-start;gap:8px;min-height:48px;display:flex}.dropzone-empty-tip{color:#5d6b88;padding:8px 4px;font-size:.85rem;font-style:italic}.feedback-box{border-radius:var(--radius-md);padding:16px;font-size:.95rem;line-height:1.6;display:none}.feedback-box.show{display:block}.feedback-success{background-color:var(--color-success-bg);border:1px solid var(--color-success);color:var(--color-success)}.feedback-danger{background-color:var(--color-danger-bg);border:1px solid var(--color-danger);color:#f99}.feedback-info{color:#bae6fd;background-color:#38bdf81a;border:1px solid #38bdf8}.flag-card{border:2px solid var(--accent);border-radius:var(--radius-lg);text-align:center;background:linear-gradient(145deg,#1b2438,#171d2e);flex-direction:column;align-items:center;gap:16px;padding:28px;display:flex;box-shadow:0 8px 24px #fed63226}.flag-badge{background-color:var(--accent);color:var(--accent-text);letter-spacing:.08em;border-radius:var(--radius-full);text-transform:uppercase;align-items:center;gap:8px;padding:6px 14px;font-size:.85rem;font-weight:800;display:inline-flex}.flag-title{color:var(--text-main);font-size:1.5rem;font-weight:800}.flag-box{border:2px solid var(--accent);border-radius:var(--radius-md);font-family:var(--font-mono);color:var(--accent);letter-spacing:.05em;-webkit-user-select:all;user-select:all;word-break:break-all;background-color:#0b0e17;max-width:100%;padding:16px 24px;font-size:1.15rem;font-weight:700}.flag-copy-btn{margin-top:8px}.footer-nav{border-top:1px solid var(--border-color);justify-content:space-between;align-items:center;gap:16px;margin-top:16px;padding:20px 0;display:flex}.footer-nav-btn{align-items:center;gap:8px;font-size:.95rem;display:inline-flex}.disclaimer-bar{text-align:center;color:var(--text-muted);border-top:1px solid #232b4080;margin-top:16px;padding:16px 8px;font-size:.88rem;line-height:1.5}.locked-screen{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);text-align:center;flex-direction:column;align-items:center;gap:20px;margin:32px 0;padding:48px 24px;display:flex}.locked-icon{border:2px solid var(--color-danger);width:72px;height:72px;color:var(--color-danger);background-color:#f8717126;border-radius:50%;justify-content:center;align-items:center;font-size:32px;display:flex}.locked-title{color:var(--text-main);font-size:1.5rem;font-weight:800}.locked-msg{color:var(--text-muted);max-width:480px;font-size:1rem;line-height:1.6}.switch-group{grid-template-columns:1fr;gap:10px;display:grid}@media (width>=640px){.switch-group{grid-template-columns:1fr 1fr}}.switch-item{background-color:var(--bg-subtle);border:1px solid var(--border-color);border-radius:var(--radius-md);min-height:var(--touch-target);cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;transition:all .15s;display:flex}.switch-item:hover{background-color:var(--bg-card-hover)}.switch-item.locked{cursor:default;opacity:.8}.switch-label-col{flex-direction:column;gap:2px;display:flex}.switch-code{font-family:var(--font-mono);color:var(--text-main);font-size:.9rem;font-weight:600}.switch-desc{color:var(--text-muted);font-size:.8rem}.custom-switch{background-color:#2b3650;border-radius:30px;width:52px;min-width:52px;height:30px;transition:background-color .2s;position:relative}.custom-switch.on{background-color:var(--accent)}.custom-switch:after{content:"";background-color:#fff;border-radius:50%;width:24px;height:24px;transition:transform .2s;position:absolute;top:3px;left:3px;box-shadow:0 2px 4px #0000004d}.custom-switch.on:after{background-color:var(--accent-text);transform:translate(22px)}.choice-btn-group{flex-wrap:wrap;gap:10px;display:flex}.choice-btn{min-width:140px;min-height:var(--touch-target);background-color:var(--bg-subtle);border:2px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-main);cursor:pointer;-webkit-user-select:none;user-select:none;flex:1;justify-content:center;align-items:center;padding:10px 16px;font-size:.95rem;font-weight:600;transition:all .15s;display:flex}.choice-btn:hover{background-color:var(--bg-card-hover);border-color:var(--text-muted)}.choice-btn.selected{border-color:var(--accent);background-color:var(--accent-alpha);color:var(--accent);font-weight:700}.choice-btn.correct{border-color:var(--color-success);background-color:var(--color-success-bg);color:var(--color-success)}.choice-btn.wrong{border-color:var(--color-danger);background-color:var(--color-danger-bg);color:var(--color-danger)}.policy-dissection-grid{border:1px solid var(--border-color);border-radius:var(--radius-md);background-color:#0b0e17;flex-direction:column;gap:10px;padding:16px;display:flex}.policy-line-row{border-radius:var(--radius-sm);background-color:#171d2e99;flex-wrap:wrap;align-items:center;gap:12px;padding:8px 10px;display:flex}.policy-slot{border:2px dashed var(--border-color);border-radius:var(--radius-sm);min-width:130px;min-height:44px;color:var(--accent);background-color:var(--bg-subtle);cursor:pointer;justify-content:center;align-items:center;padding:4px 10px;font-size:.88rem;font-weight:700;transition:all .2s;display:flex}.policy-slot:hover,.policy-slot.target-candidate{border-color:var(--accent);background-color:#fed6321a}.policy-slot.filled{border-style:solid;border-color:var(--accent);background-color:var(--accent-alpha)}.policy-slot.correct{border-color:var(--color-success);background-color:var(--color-success-bg);color:var(--color-success)}.policy-slot.wrong{border-color:var(--color-danger);background-color:var(--color-danger-bg);color:var(--color-danger)}.policy-line-val{font-family:var(--font-mono);color:#e2e8f0;word-break:break-all;font-size:.95rem}.drag-ghost{pointer-events:none;z-index:9999;opacity:.9;position:fixed;transform:translate(-50%,-50%)scale(1.05);box-shadow:0 10px 25px #00000080;border-color:var(--accent)!important;background-color:var(--bg-card)!important}html.task-is-locked #task-content-task2,html.task-is-locked #task-content-task3{display:none!important}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}