#age-tool{--radius:10px;--err:#ff5c6a}[data-theme=light] #age-tool{--err:#d92f3d}.ac-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:20px;padding:24px}.ac-panel-hd{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px;display:flex}.ac-panel-actions{flex-wrap:wrap;gap:8px;display:flex}.ac-panel-title{color:var(--txt-strong);margin-bottom:6px;font-size:17px;font-weight:800}.ac-panel-sub{color:var(--txt-dim);margin-bottom:14px;font-size:13px;line-height:1.6}.ac-grid-3{grid-template-columns:repeat(3,1fr);align-items:end;gap:14px;margin-bottom:14px;display:grid}.ac-field label{color:var(--txt-dim);text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px;font-size:12px;font-weight:700;display:block}.ac-field input,.ac-field select{background:var(--surface2);border:1px solid var(--border);width:100%;color:var(--txt-strong);font-family:var(--sans);border-radius:8px;outline:none;padding:11px 14px;font-size:14px;transition:border-color .2s}.ac-field input:focus,.ac-field select:focus{border-color:#22c55e}.ac-field-btn{align-items:flex-end;display:flex}.ac-check{color:var(--txt);cursor:pointer;align-items:center;gap:9px;font-size:13px;display:flex}.ac-check input{accent-color:#22c55e;cursor:pointer;width:16px;height:16px}.ac-radio{color:var(--txt);cursor:pointer;align-items:center;gap:6px;margin-right:16px;font-size:13px;display:inline-flex}.ac-ref-row{flex-wrap:wrap;align-items:center;gap:4px;margin-bottom:14px;display:flex}.ac-inline-label{color:var(--txt-dim);margin-right:12px;font-size:13px;font-weight:700}.ac-headline{color:var(--txt-strong);text-align:center;letter-spacing:-.5px;margin-bottom:20px;font-size:clamp(20px,3vw,28px);font-weight:900}.ac-result-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:16px;display:grid}.ac-result-card{background:var(--surface2);border:1px solid var(--border);text-align:center;border-radius:12px;padding:16px}.ac-result-label{color:var(--txt-dim);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-size:11px;font-weight:700}.ac-result-value{color:var(--txt-strong);font-size:19px;font-weight:800;font-family:var(--mono)}.ac-weekday-row{color:var(--txt-dim);border-top:1px solid var(--border);flex-wrap:wrap;gap:24px;padding-top:12px;font-size:13px;display:flex}.ac-weekday-row strong{color:var(--txt-strong)}.ac-leap-note{color:#22c55e;background:#22c55e1a;border:1px solid #22c55e47;border-radius:8px;margin-top:14px;padding:12px 16px;font-size:13px}.ac-countdown{font-size:clamp(22px,4vw,34px);font-weight:900;font-family:var(--mono);color:#22c55e;text-align:center;letter-spacing:-.5px;margin-bottom:8px}.ac-hint{text-align:center;color:var(--txt-dim);font-size:13px}.ac-milestone-grid,.ac-facts-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;display:grid}.ac-milestone-card,.ac-fact-card{background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:14px 16px}.ac-milestone-title,.ac-fact-title{color:var(--txt-dim);text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px;font-size:12px;font-weight:700}.ac-milestone-value,.ac-fact-value{color:var(--txt-strong);font-size:16px;font-weight:800}.ac-inline-result{background:var(--surface2);border:1px solid var(--border);color:var(--txt);border-radius:10px;margin-top:14px;padding:14px 16px;font-size:14px;line-height:1.7;display:none}.ac-inline-result.show{display:block}.ac-inline-result.ok{border-color:color-mix(in srgb, #22c55e 30%, var(--border));color:#22c55e}.ac-inline-result.err{border-color:color-mix(in srgb, var(--err) 30%, var(--border));color:var(--err)}.ac-inline-result strong{color:var(--txt-strong)}.pane-btn{border:1px solid var(--border);background:var(--surface2);color:var(--txt);cursor:pointer;border-radius:7px;padding:7px 14px;font-size:12px;font-weight:700;transition:background .2s,color .2s,border-color .2s}.pane-btn:hover{background:var(--surface);color:var(--txt-strong);border-color:#22c55e}.pane-btn.danger{color:var(--err);border-color:color-mix(in srgb, var(--err) 30%, transparent)}.pane-btn.danger:hover{background:color-mix(in srgb, var(--err) 10%, transparent);border-color:var(--err)}.ac-history-list{flex-direction:column;gap:8px;max-height:380px;display:flex;overflow-y:auto}.ac-history-empty{text-align:center;color:var(--txt-dim);background:var(--surface2);border:1px dashed var(--border);border-radius:var(--radius);padding:20px;font-size:13px}.ac-history-item{background:var(--surface2);border:1px solid var(--border);cursor:pointer;border-radius:9px;align-items:center;gap:12px;padding:10px 14px;transition:border-color .2s;display:flex}.ac-history-item:hover{border-color:#22c55e}.ac-history-text{min-width:0;font-family:var(--mono);color:var(--txt);flex:1;font-size:12.5px}.ac-history-time{color:var(--txt-dim);font-size:11px;font-family:var(--mono);flex-shrink:0}.ac-history-del{border:1px solid var(--border);width:24px;height:24px;color:var(--txt-dim);cursor:pointer;background:0 0;border-radius:6px;flex-shrink:0;font-size:12px}.ac-history-del:hover{color:var(--err);border-color:var(--err)}.b64-howto{counter-reset:ac-step;flex-direction:column;gap:14px;max-width:780px;list-style:none;display:flex}.b64-howto li{color:var(--txt);padding-left:40px;font-size:14px;line-height:1.65;position:relative}.b64-howto li:before{counter-increment:ac-step;content:counter(ac-step);background:linear-gradient(135deg, var(--grad1), var(--grad2));color:#fff;border-radius:8px;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:800;display:flex;position:absolute;top:0;left:0}.b64-howto strong{color:var(--txt-strong)}.ac-toast{background:var(--surface2);border:1px solid var(--border);color:var(--txt-strong);font-family:var(--mono);z-index:2000;opacity:0;pointer-events:none;border-radius:999px;padding:10px 20px;font-size:13px;font-weight:600;transition:opacity .25s,transform .25s;position:fixed;bottom:28px;left:50%;transform:translate(-50%)translateY(20px)}.ac-toast.show{opacity:1;transform:translate(-50%)translateY(0)}@media (width<=800px){.ac-grid-3{grid-template-columns:1fr 1fr}}@media (width<=650px){.ac-panel{padding:18px}.ac-grid-3{grid-template-columns:1fr}.ac-result-grid{grid-template-columns:1fr 1fr}}