.tool-birthday{--bg1:var(--bg-subtle);--bg2:var(--bg-subtle);--accent2:var(--accent);--blue:var(--accent);--card-width:380px;--paper-shadow:#1e3c781a;--glass:var(--border);font-family:var(--font-sans);color:var(--fg);background:0 0;margin:0}.tool-birthday .page{max-width:1150px;margin:28px auto;padding:22px}.tool-birthday header{margin-bottom:16px;position:relative}.tool-birthday .fancy-title{align-items:center;gap:14px;display:flex}.tool-birthday .fancy-badge{border-radius:var(--control-radius);background:var(--bg-elevated);width:56px;height:56px;box-shadow:var(--shadow-sm);justify-content:center;align-items:center;font-size:26px;display:inline-flex;transform:rotate(-10deg)}.tool-birthday h1.title{font-family:var(--font-sans);color:var(--fg);background:0 0;margin:0;font-size:44px;line-height:1}.tool-birthday p.subtitle{font-family:var(--font-sans);color:var(--fg-muted);letter-spacing:.2px;margin:6px 0 0;font-size:16px;font-style:normal}.tool-birthday .subtitle .spark{color:var(--fg-muted);font-weight:700}.tool-birthday .main{align-items:flex-start;gap:22px;margin-top:14px;display:flex}.tool-birthday .controls{background:var(--bg-elevated);border-radius:var(--control-radius);min-width:260px;box-shadow:var(--shadow-sm);border:1px solid var(--border);flex:590px;padding:18px}.tool-birthday .controls label{color:var(--fg);margin:10px 0 6px;font-size:14px;font-weight:800;display:block}.tool-birthday .controls input[type=text],.tool-birthday .controls input[type=number]{border-radius:var(--control-radius);border:1px solid var(--border);box-sizing:border-box;background:var(--bg-elevated);outline:none;width:100%;padding:10px 12px;font-size:15px;transition:box-shadow .15s,border-color .15s}.tool-birthday .controls input:focus{border-color:var(--blue);box-shadow:var(--shadow-sm)}.tool-birthday .grid{grid-template-columns:1fr 1fr;gap:10px;margin-top:6px;display:grid}.tool-birthday .actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px;display:flex}.tool-birthday .btn{border-radius:var(--control-radius);cursor:pointer;border:none;padding:10px 14px;font-size:14px;font-weight:800}.tool-birthday .btn.primary{background:var(--bg-elevated);color:var(--fg);box-shadow:var(--shadow-sm)}.tool-birthday .btn.secondary{background:var(--bg-elevated);color:var(--fg);border:1px solid var(--border)}.tool-birthday .btn.lucky{background:var(--bg-elevated);color:var(--fg);border:1px solid var(--border);box-shadow:var(--shadow-sm)}.tool-birthday .hint{color:var(--fg);margin-top:10px;font-size:13px}.tool-birthday .cards-wrap{width:var(--card-width);flex:0 0 var(--card-width);flex-direction:column;align-items:flex-end;display:flex}.tool-birthday .stack{flex-direction:column;align-items:flex-end;width:100%;display:flex}.tool-birthday .card{background:var(--bg-elevated);border-radius:var(--control-radius);width:100%;box-shadow:var(--shadow-sm);opacity:0;border-left:14px solid #4b96ff3d;margin-top:12px;padding:18px 16px;transition:transform .18s,opacity .18s;position:relative;overflow:hidden;transform:translateY(-8px)scale(.995)}.tool-birthday .card.show{opacity:1;transform:translateY(0)scale(1)}.tool-birthday .card .to{color:var(--fg);margin-bottom:8px;font-size:17px;font-weight:800}.tool-birthday .card .message{white-space:pre-line;color:var(--fg);font-size:15px;line-height:1.38}.tool-birthday .card .footer{color:var(--fg);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-top:12px;font-size:13px;display:flex}.tool-birthday .card .footer-left{opacity:.9}.tool-birthday .card .copy-btn{white-space:nowrap;border-radius:var(--control-radius);cursor:pointer;background:var(--bg-elevated);box-shadow:var(--shadow-sm);color:var(--fg);border:none;flex-shrink:0;padding:6px 10px;font-weight:700}.tool-birthday .copy-btn.copied{background:var(--bg-elevated);color:var(--fg)}@keyframes popHighlight{0%{box-shadow:var(--shadow-sm)}50%{box-shadow:var(--shadow-sm)}to{box-shadow:var(--shadow-sm)}}.tool-birthday .flash{animation:.7s popHighlight}@media (max-width:920px){.tool-birthday .main{flex-direction:column-reverse;gap:14px}.tool-birthday .cards-wrap{order:2;align-items:center;width:100%}.tool-birthday .stack{align-items:center}}.tool-birthday{color:var(--fg);font-family:var(--font-sans);--muted:var(--fg-muted);background:0 0;min-width:0}.tool-birthday :is(.app,.page,#wrapper){width:100%;max-width:100%;margin:0 auto;padding:0}.tool-birthday button{border:1px solid var(--border-strong);border-radius:var(--control-radius);background:var(--accent);min-height:44px;color:var(--accent-text);font-weight:600}.tool-birthday button:hover{background:var(--accent-hover);color:var(--accent-text)}.tool-birthday button.secondary{background:var(--bg-elevated);color:var(--fg)}.tool-birthday :is(input,select,textarea){color:var(--fg);background:var(--bg-elevated);border-color:var(--border-strong)}.tool-birthday h1{letter-spacing:-.035em;color:var(--fg);font-size:clamp(1.75rem,4vw,2.75rem);font-weight:600;line-height:1.15}.tool-birthday canvas{touch-action:none;width:100%;height:auto}.tool-birthday .main{grid-template-columns:minmax(0,1fr) minmax(0,22rem);align-items:start;display:grid}.tool-birthday .controls,.tool-birthday .cards-wrap{flex:initial;order:initial;width:100%;min-width:0}.tool-birthday .card{width:100%;max-width:100%}.tool-birthday .fancy-badge{width:3rem;height:3rem;color:var(--accent);background:var(--accent-soft);flex:0 0 3rem;transform:none}.tool-birthday .btn.primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}.tool-birthday .btn.primary:hover{background:var(--accent-hover)}@media (max-width:920px){.tool-birthday .main{grid-template-columns:minmax(0,1fr)}.tool-birthday .cards-wrap{order:initial}}