:root{--primary:#4bc3b7;--primary-dark:#2d8f86;--text:#1b1b1f;--muted:#6b7280;--bg:#f7f7f7}.background{background:var(--bg);min-height:100vh;color:var(--text);justify-content:center;align-items:center;padding:24px;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji;display:flex}.signup-frame{box-sizing:border-box;background:#fff;border-radius:18px;width:100%;max-width:max(360px,min(38vw,520px));padding:max(20px,min(3vw,32px));box-shadow:0 10px 30px rgba(0,0,0,.07),0 2px 10px rgba(0,0,0,.05)}.signup-header{text-align:center}.signup-title{letter-spacing:-.01em;color:#0b0b0f;margin:0;font-size:max(24px,min(3vw,28px));font-weight:700}.signup-subtitle{color:var(--muted);max-width:40ch;margin:16px auto 0;font-size:16px;line-height:1.6}.signup-actions{flex-direction:column;gap:14px;margin-top:20px;display:flex}.btn{cursor:pointer;box-sizing:border-box;border:1px solid transparent;border-radius:12px;justify-content:center;align-items:center;width:100%;height:52px;padding:0 18px;transition:background-color .18s,border-color .18s,transform .18s,box-shadow .18s;display:inline-flex;position:relative}.btn-content{justify-content:center;align-items:center;gap:10px;display:inline-flex}.btn-label{letter-spacing:.15px;font-size:16px;font-weight:700}.btn-icon{width:20px;height:20px;display:block}.btn-icon.google{position:relative;top:-1px}.btn-google{color:#374151;background:#fff;border-color:rgba(0,0,0,.08)}.btn-google:hover{background:rgba(0,0,0,.04);border-color:rgba(0,0,0,.1)}.btn-google:active{transform:translateY(1px)}.btn-email{background:var(--primary);color:#fff}.btn-email:hover{background:#41afa4}.btn-email:active{transform:translateY(1px)}.btn:focus-visible{box-shadow:0 0 0 3px color-mix(in srgb,var(--primary)32%,transparent);outline:none}.btn-email:focus-visible{box-shadow:0 0 0 3px color-mix(in srgb,var(--primary)40%,transparent)}.spinner{border:2px solid rgba(255,255,255,.6);border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.8s linear infinite spin;position:absolute;right:14px}.spinner-dark{border-color:rgba(0,0,0,.6) rgba(0,0,0,.25) rgba(0,0,0,.25)}@keyframes spin{to{transform:rotate(360deg)}}.btn:disabled{opacity:.6;pointer-events:none}.already-have-an-container{opacity:.85;text-align:center;margin-top:18px;font-size:15px}.already-have-an{font-weight:500}.span{color:#444}.sign-in{color:var(--primary);text-decoration:none}.sign-in:hover{outline:none;text-decoration:underline}.sign-in:focus-visible{outline:none;text-decoration:underline}.btn:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(0,0,0,.08)}@media (prefers-reduced-motion:reduce){.btn{transition:background-color .1s,border-color .1s}.btn:hover{box-shadow:none;transform:none}.spinner{animation:none}}@media (max-width:420px){.signup-frame{padding:18px}.btn{height:48px}.signup-title{font-size:24px}}.back-btn{color:var(--primary);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;margin-bottom:12px;padding:0;font-size:15px;font-weight:500;transition:color .2s;display:inline-flex}.back-btn:hover{color:var(--primary-dark);outline:none}.back-btn:focus-visible{color:var(--primary-dark);outline:none}.back-icon{width:18px;height:18px}