:root{--atgc-primary:#10b981;--atgc-primary-600:#059669;--atgc-ring:rgba(16,185,129,.28)}.at-sgc-form{max-width:640px;margin:28px auto;padding:18px;border:1px solid #eaeaea;border-radius:16px;background:#fff}.atgc-fieldset{border:1px dashed #e6e6e6;border-radius:14px;padding:14px;margin-bottom:16px;background:linear-gradient(180deg,#fff,#fcfcfc)}.atgc-fieldset legend{font-weight:800;padding:0 8px;letter-spacing:.2px}.atgc-amounts{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}.atgc-chip{display:inline-flex;align-items:center;cursor:pointer;user-select:none}.atgc-chip input{display:none}.atgc-chip span{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border:1.5px solid #e5e7eb;border-radius:999px;background:#fff;font-weight:700;letter-spacing:.2px;transition:transform .15s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;box-shadow:0 1px 0 rgba(0,0,0,.03)}.atgc-chip:hover span{transform:translateY(-1px);box-shadow:0 6px 16px rgba(0,0,0,.06)}.atgc-chip input:checked+span{border-color:var(--atgc-primary);color:#065f46;background:linear-gradient(180deg,#ecfdf5,#d1fae5);box-shadow:0 6px 18px rgba(16,185,129,.18),inset 0 1px 0 rgba(255,255,255,.7)}.atgc-chip input:checked+span:before{content:"✓";display:inline-block;width:18px;height:18px;line-height:18px;font-size:12px;text-align:center;border-radius:50%;background:var(--atgc-primary);color:#fff;box-shadow:0 2px 7px rgba(16,185,129,.35)}.atgc-fieldset label{display:block;margin-top:10px;font-weight:700}.atgc-fieldset input,.atgc-fieldset textarea{width:100%;padding:12px;border:1.5px solid #e5e7eb;border-radius:12px;background:#fff;transition:box-shadow .2s ease,border-color .2s ease}.atgc-fieldset input:focus,.atgc-fieldset textarea:focus{outline:0;border-color:var(--atgc-primary);box-shadow:0 0 0 5px var(--atgc-ring)}.atgc-btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;width:100%;padding:14px 18px;border:0;border-radius:14px;cursor:pointer;color:#fff;font-weight:800;letter-spacing:.25px;background:linear-gradient(135deg,var(--atgc-primary),var(--atgc-primary-600));box-shadow:0 10px 26px rgba(16,185,129,.35),inset 0 1px 0 rgba(255,255,255,.2);transition:transform .12s ease,box-shadow .2s ease,filter .15s ease}.atgc-btn:after{content:"↗";font-weight:900;transform:translateY(-1px)}.atgc-btn:hover{transform:translateY(-1px);box-shadow:0 14px 32px rgba(16,185,129,.42)}.atgc-btn:active{transform:translateY(0);box-shadow:0 6px 16px rgba(16,185,129,.35);filter:saturate(1.05)}.atgc-btn:focus-visible{outline:0;box-shadow:0 0 0 6px var(--atgc-ring),0 12px 28px rgba(16,185,129,.38)}.atgc-btn[disabled]{opacity:.75;cursor:not-allowed;box-shadow:none}.atgc-btn.is-loading{position:relative;color:transparent}.atgc-btn.is-loading:after{content:"";transform:none}.atgc-btn.is-loading:before{content:"";position:absolute;inset:auto auto 50% 50%;width:18px;height:18px;margin:-9px 0 0 -9px;border-radius:50%;border:3px solid rgba(255,255,255,.45);border-top-color:#fff;animation:atgc-spin .8s linear infinite}@keyframes atgc-spin{to{transform:rotate(360deg)}}.atgc-error{color:#b91c1c;margin-top:10px;padding:10px 12px;border-radius:12px;background:#fef2f2;border:1px solid #fee2e2;font-weight:600}@media (prefers-color-scheme:dark){.at-sgc-form{background:#0b0b0b;border-color:#222}.atgc-fieldset{background:linear-gradient(180deg,#0f0f0f,#0c0c0c);border-color:#222}.atgc-fieldset input,.atgc-fieldset textarea{background:#0f0f0f;color:#fff;border-color:#262626}.atgc-chip span{background:#0f0f0f;border-color:#262626;color:#e5e5e5}.atgc-chip input:checked+span{color:#d1fae5;background:linear-gradient(180deg,#052e2b,#083f3a)}.atgc-error{background:#2a0d0d;border-color:#3b1414;color:#fecaca}}@media (max-width:480px){.at-sgc-form{margin:14px;padding:14px}}