:root{--bg:#f4f1ff;--fg:#1d1a33;--card:rgba(255,255,255,.78);--ac:#6c4cf5;--ac2:#ff5ea8;--ac3:#19c3a6;--mut:#6d6890;--ok:#12a36f;--ko:#e5395f;--bd:rgba(108,76,245,.18);--sh:0 10px 30px rgba(108,76,245,.15);box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#120f24;--fg:#f1eeff;--card:rgba(36,31,66,.78);--ac:#9b86ff;--ac2:#ff7fbd;--ac3:#3be0c2;--mut:#a29cc8;--ok:#3be0a0;--ko:#ff7a96;--bd:rgba(155,134,255,.25);--sh:0 10px 30px rgba(0,0,0,.4);color-scheme:dark}}
:root[data-theme="dark"]{--bg:#120f24;--fg:#f1eeff;--card:rgba(36,31,66,.78);--ac:#9b86ff;--ac2:#ff7fbd;--ac3:#3be0c2;--mut:#a29cc8;--ok:#3be0a0;--ko:#ff7a96;--bd:rgba(155,134,255,.25);--sh:0 10px 30px rgba(0,0,0,.4);color-scheme:dark}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*{box-sizing:border-box}
body{margin:0;color:var(--fg);font:16px/1.5 system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;background:var(--bg);background-image:radial-gradient(circle at 12% 8%,color-mix(in srgb,var(--ac) 28%,transparent),transparent 40%),radial-gradient(circle at 92% 18%,color-mix(in srgb,var(--ac2) 24%,transparent),transparent 38%),radial-gradient(circle at 50% 100%,color-mix(in srgb,var(--ac3) 22%,transparent),transparent 45%);background-attachment:fixed;min-height:100vh}
main{max-width:760px;margin:0 auto;padding:18px 16px 56px}
h1{font-size:34px;line-height:1.1;margin:0;font-weight:900;letter-spacing:-.03em;background:linear-gradient(90deg,var(--ac),var(--ac2));-webkit-background-clip:text;background-clip:text;color:transparent}
h2{font-size:22px;margin:0 0 12px;font-weight:800}
.sub{color:var(--mut);margin:6px 0 18px}
.hud{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--bd);border-radius:18px;padding:10px 14px;margin-bottom:16px;box-shadow:var(--sh);backdrop-filter:blur(12px)}
.lv{background:linear-gradient(135deg,var(--ac),var(--ac2));color:#fff;font-weight:800;border-radius:12px;padding:4px 10px;white-space:nowrap}
.xp{flex:1;height:10px;border-radius:99px;background:var(--bd);overflow:hidden}
.xp i{display:block;height:100%;background:linear-gradient(90deg,var(--ac3),var(--ac));border-radius:99px;transition:width .5s}
.st{font-weight:700;white-space:nowrap}
.card{background:var(--card);border:1px solid var(--bd);border-radius:22px;padding:20px;margin-bottom:16px;box-shadow:var(--sh);backdrop-filter:blur(12px);animation:pop .35s ease}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
button{font:inherit;font-weight:700;background:linear-gradient(135deg,var(--ac),var(--ac2));color:#fff;border:0;border-radius:14px;padding:11px 18px;cursor:pointer;margin:4px 8px 4px 0;box-shadow:0 6px 16px rgba(108,76,245,.3);transition:transform .15s}
button:hover{transform:translateY(-2px)}button:active{transform:scale(.96)}
button.g{background:var(--card);color:var(--fg);border:1px solid var(--bd);box-shadow:none}
.menu{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.menu button{text-align:left;margin:0;padding:18px;background:var(--card);color:var(--fg);border:1px solid var(--bd);box-shadow:var(--sh);backdrop-filter:blur(12px);font-weight:500}
.menu button b{display:block;font-size:18px;margin:6px 0 2px}.menu .em{font-size:34px}
.menu button:nth-child(1){border-top:4px solid var(--ac)}.menu button:nth-child(2){border-top:4px solid var(--ac2)}.menu button:nth-child(3){border-top:4px solid var(--ac3)}.menu button:nth-child(4){border-top:4px solid #ffb020}
input[type=text],input[type=number],textarea{font:inherit;color:var(--fg);background:var(--bg);border:2px solid var(--bd);border-radius:14px;padding:11px 14px;width:100%;outline:0;transition:border .2s}
input:focus,textarea:focus{border-color:var(--ac)}
input.s{width:150px;padding:6px 10px}
textarea{height:200px;font:13px/1.4 ui-monospace,monospace}
.q{font-size:22px;margin:10px 0 16px;font-weight:600}
.chip{display:inline-block;background:color-mix(in srgb,var(--ac) 16%,transparent);color:var(--ac);border-radius:99px;padding:2px 12px;font-weight:800}
.mut{color:var(--mut)}.ok{color:var(--ok)}.ko{color:var(--ko)}
.fb{margin-top:14px;padding:14px;border-radius:16px;animation:pop .3s}
.fb.ok{background:color-mix(in srgb,var(--ok) 14%,transparent)}.fb.ko{background:color-mix(in srgb,var(--ko) 14%,transparent);animation:shake .4s}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.tip{margin-top:8px;color:var(--mut);font-size:15px}
.prog{height:8px;background:var(--bd);border-radius:99px;overflow:hidden;margin:0 0 14px}.prog i{display:block;height:100%;background:linear-gradient(90deg,var(--ac3),var(--ac2));transition:width .4s}
.pt{position:fixed;width:10px;height:10px;border-radius:3px;pointer-events:none;z-index:99;animation:fall 1s ease-out forwards}
@keyframes fall{to{transform:translate(var(--x),var(--y)) rotate(540deg);opacity:0}}
.scroll{overflow-x:auto}
input.tin{width:100%;min-width:110px;padding:6px 10px}
input.tin.gd{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 14%,var(--bg))}
input.tin.bd{border-color:var(--ko);background:color-mix(in srgb,var(--ko) 14%,var(--bg))}
.fix{font-size:14px;font-weight:700;margin-top:2px}
.menu button:nth-child(5){border-top:4px solid var(--ac)}
table{border-collapse:collapse;width:100%}td,th{border-bottom:1px solid var(--bd);padding:7px 8px;text-align:left}
.sheet{page-break-after:always}
@media print{body{background:#fff!important;color:#000;font-size:13px}.noprint{display:none!important}.card{border:0;box-shadow:none;background:#fff;padding:0;animation:none}.sheet{page-break-after:always}h1,h2{color:#000;background:none}}

.bc{perspective:900px;height:260px;cursor:pointer;margin:14px 0 6px}
.bc>div{position:relative;width:100%;height:100%;transition:transform .6s;transform-style:preserve-3d}
.bc.f>div{transform:rotateY(180deg)}
.bc>div>span{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:16px;box-shadow:var(--sh)}
.bc .a{background:linear-gradient(135deg,var(--ac),var(--ac2));color:#fff;font-size:40px;font-weight:900}
.bc .a em{font-size:18px;font-weight:500;font-style:normal;opacity:.9;margin-top:8px}
.bc .b{background:var(--card);border:2px solid var(--ac);transform:rotateY(180deg);font-size:32px}
.bc small{font-size:13px;text-transform:uppercase;letter-spacing:.08em;opacity:.75;font-weight:700;margin-top:6px}
.bc .b strong:first-of-type{color:var(--ac)}.bc .b strong:last-of-type{color:var(--ac2)}