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0;border-color:#0000}.btn-ghost:hover{background:var(--panel-2)}.btn-sm{border-radius:8px;min-height:34px;padding:6px 12px;font-size:.7rem}.btn-lg{min-height:52px;padding:14px 28px;font-size:.86rem}.chip{letter-spacing:.04em;border:1px solid var(--edge-bright);color:var(--text-soft);white-space:nowrap;border-radius:6px;align-items:center;gap:6px;padding:3px 9px;font-size:11px;font-weight:600;display:inline-flex}.chip-state{border-color:var(--c)}@supports (color:color-mix(in lab,red,red)){.chip-state{border-color:color-mix(in srgb,var(--c) 40%,transparent)}}.chip-state{color:var(--c);background:var(--c)}@supports (color:color-mix(in lab,red,red)){.chip-state{background:color-mix(in srgb,var(--c) 10%,transparent)}}.chip-state.unknown{border-style:dashed}.state-dot{background:var(--c);border-radius:50%;width:8px;height:8px;display:inline-block}.bar{background:var(--panel-2);border-radius:2px;height:10px;display:flex;overflow:hidden}.bar>span{height:100%;transition:width .6s var(--ease);display:block}.bar-thin{height:4px}.tile{background:var(--panel-2);border:1px solid var(--edge);border-radius:10px;padding:12px 14px}.tile .v{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:1.6rem;font-weight:800;line-height:1.1}.tile .k{letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-size:.66rem;font-family:var(--mono)}.tile .h{color:var(--text-soft);margin-top:2px;font-size:.78rem}.row{border-bottom:1px solid var(--edge);align-items:center;gap:12px;padding:12px 0;display:flex}.row:last-child{border-bottom:0}.row-link{cursor:pointer;border-radius:8px;margin:0 -8px;padding-left:8px;padding-right:8px}.row-link:hover{background:var(--panel-2)}.option{text-align:left;border:1px solid var(--edge);background:var(--panel-2);width:100%;min-height:48px;color:var(--text);cursor:pointer;border-radius:10px;align-items:flex-start;gap:12px;padding:13px 14px;font-size:1rem;transition:border-color .12s,background .12s;display:flex}.option:hover{border-color:var(--edge-bright)}.option.selected{border-color:var(--primary);background:var(--primary-soft)}.option.correct{border-color:var(--green);background:var(--green-soft)}.option.wrong{border-color:var(--red);background:var(--red-soft)}.option .key{font-family:var(--mono);color:var(--primary);min-width:18px;font-weight:800}.option.correct .key{color:var(--green)}.option.wrong .key{color:var(--red)}input.field,textarea.field,select.field{background:var(--bg-soft);border:1px solid var(--edge-bright);width:100%;min-height:44px;color:var(--text);border-radius:10px;outline:none;padding:11px 12px;font-family:inherit;font-size:1rem}input.field:focus,textarea.field:focus,select.field:focus{border-color:var(--primary)}.seg{border:1px solid var(--edge-bright);border-radius:10px;display:inline-flex;overflow:hidden}.seg button{letter-spacing:.12em;text-transform:uppercase;min-height:44px;color:var(--text-soft);cursor:pointer;background:0 0;border:0;padding:8px 18px;font-size:.78rem;font-weight:700}.seg button+button{border-left:1px solid var(--edge-bright)}.seg button.on{background:var(--primary);color:var(--primary-ink)}.prose p{margin:0 0 .8em;line-height:1.6}.prose strong{color:#fff}.prose em{color:var(--text)}.prose code{background:var(--bg-soft);font-family:var(--mono);border-radius:5px;padding:1px 5px;font-size:.92em}.prose ul,.prose ol{margin:0 0 .8em 1.2em}.prose li{margin:.25em 0}.prose blockquote{border-left:3px solid var(--edge-bright);color:var(--text-soft);margin:0 0 .8em;padding-left:12px}.source{background:var(--bg-soft);border:1px solid var(--edge);border-radius:12px;max-height:62vh;padding:18px;font-size:1rem;line-height:1.65;overflow:auto}.table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:.92rem}.table th,.table td{border:1px solid var(--edge);text-align:left;padding:7px 10px}.table th{background:var(--panel-2);color:var(--text-soft);font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;font-size:.72rem}.screen{background:var(--bg);z-index:25;flex-direction:column;display:flex;position:fixed;top:0;right:0;bottom:0;left:0}.screen-top{padding:10px 16px;padding-top:max(10px,env(safe-area-inset-top));border-bottom:1px solid var(--edge);background:var(--panel-strong);align-items:center;gap:12px;display:flex}.screen-body{flex:1;padding:18px 16px 24px;overflow:auto}.screen-foot{padding:12px 16px;padding-bottom:max(12px,env(safe-area-inset-bottom));border-top:1px solid var(--edge);background:var(--panel-strong);align-items:center;gap:12px;display:flex}.progress{background:var(--panel-2);border-radius:3px;flex:1;height:6px;overflow:hidden}.progress>span{background:var(--primary);height:100%;transition:width .4s var(--ease);display:block}.calc-key{border:1px solid var(--edge-bright);background:var(--panel-2);height:44px;color:var(--text);cursor:pointer;font-size:14px;font-weight:600;font-family:var(--mono);border-radius:8px}.calc-key:hover{background:#1a2636}.calc-key.op{color:var(--primary);background:#16222f}.calc-key.go{background:var(--primary);color:var(--primary-ink)}.timer{font-family:var(--mono);font-variant-numeric:tabular-nums;font-weight:700}.hotspot-region{fill:#3bc9db14;stroke:var(--primary);stroke-width:1px;cursor:pointer}.hotspot-region:hover{fill:#3bc9db40}.hotspot-region.selected{fill:#f2b54459;stroke:var(--amber);stroke-width:2px}.drag-item{border:1px solid var(--edge-bright);background:var(--panel-2);cursor:grab;border-radius:10px;align-items:center;gap:10px;padding:12px;display:flex}details>summary{cursor:pointer;list-style:none}details>summary::-webkit-details-marker{display:none}.fade-in{animation:fadeIn .35s var(--ease) both}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.glow{box-shadow:0 0 0 1px #46d19a59,0 0 28px #46d19a26}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.bottom-nav{z-index:20;background:var(--panel-strong);border-top:1px solid var(--edge);padding-bottom:env(safe-area-inset-bottom);grid-auto-flow:column;display:grid;position:fixed;bottom:0;left:0;right:0}.bottom-nav a{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);place-items:center;gap:2px;min-height:54px;padding:10px 4px 8px;font-size:.66rem;font-weight:700;display:grid}.bottom-nav a.on{color:var(--primary)}@media(min-width:640px){.bottom-nav{display:none}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}