.add-chain-page{position:fixed;inset:0;z-index:500;display:flex;flex-direction:column;background:var(--ring-bg-page,#0d0f14);padding:env(safe-area-inset-top,0) env(safe-area-inset-right,0) env(safe-area-inset-bottom,0) env(safe-area-inset-left,0);box-sizing:border-box}.add-chain-page__nav{flex-shrink:0;display:flex;align-items:center;gap:8px;padding:6px 14px 8px;border-bottom:1px solid var(--ring-border,rgba(255,255,255,.08))}.add-chain-page__back{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.04);border:1px solid var(--ring-border);color:var(--ring-text-secondary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s ease,color .15s ease;-webkit-tap-highlight-color:transparent}.add-chain-page__back:hover{background:rgba(255,255,255,.08);color:var(--ring-text-primary)}.add-chain-page__title{flex:1 1;font-size:17px;font-weight:600;color:var(--ring-text-primary);text-align:center;letter-spacing:-.01em}.add-chain-page__nav-spacer{width:34px}.add-chain-page__scroll{flex:1 1 auto;min-height:0;overflow:auto;-webkit-overflow-scrolling:touch;padding:0 18px 32px}.add-chain-page__hero{position:relative;text-align:center;padding:28px 8px 24px;margin-bottom:4px;overflow:hidden}.add-chain-page__hero-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(188,116,237,.18) 0,rgba(26,190,233,.08) 45%,transparent 70%);pointer-events:none;filter:blur(20px)}.add-chain-page__hero-title{position:relative;font-size:26px;font-weight:700;letter-spacing:-.02em;background:var(--ring-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px}.add-chain-page__hero-subtitle{position:relative;font-size:14px;color:var(--ring-text-muted);line-height:1.5;max-width:280px;margin:0 auto}.add-chain-page__form-card{background:var(--ring-bg-elevated,rgba(20,22,28,.94));border:1px solid var(--ring-border);border-radius:20px;padding:20px 18px 24px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 16px 48px rgba(0,0,0,.4)}.add-chain-form{display:flex;flex-direction:column;gap:18px}.add-chain-form__group{display:flex;flex-direction:column;gap:6px}.add-chain-form__label{font-size:13px;font-weight:500;color:var(--ring-text-secondary);display:flex;align-items:center;gap:4px}.add-chain-form__required{color:var(--ring-negative,#f87171)}.add-chain-form__input,.add-chain-form__select{width:100%;padding:12px 14px;font-size:15px;font-family:inherit;color:var(--ring-text-primary);background:var(--ring-surface,rgba(255,255,255,.04));border:1px solid var(--ring-border);border-radius:12px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;appearance:none}.add-chain-form__input::placeholder{color:var(--ring-text-dim,#52525b)}.add-chain-form__input:focus,.add-chain-form__select:focus{border-color:var(--ring-accent,#bc74ed);box-shadow:0 0 0 3px var(--ring-accent-glow,rgba(188,116,237,.35))}.add-chain-form__input[type=number]::-webkit-inner-spin-button,.add-chain-form__input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.add-chain-form__hint{font-size:12px;color:var(--ring-text-dim);margin-top:2px}.add-chain-form__select-wrap{position:relative}.add-chain-form__select{padding-right:38px;cursor:pointer}.add-chain-form__select-arrow{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--ring-text-muted);pointer-events:none}.add-chain-form__group--toggle{margin-top:2px}.add-chain-form__toggle{display:flex;align-items:center;justify-content:space-between;cursor:pointer;-webkit-tap-highlight-color:transparent}.add-chain-form__toggle-label{font-size:14px;color:var(--ring-text-primary);font-weight:500}.add-chain-form__toggle-input{position:absolute;opacity:0;width:0;height:0}.add-chain-form__toggle-track{position:relative;width:44px;height:24px;background:rgba(255,255,255,.1);border-radius:9999px;transition:background .25s ease;flex-shrink:0}.add-chain-form__toggle-input:checked+.add-chain-form__toggle-track{background:var(--ring-accent,#bc74ed)}.add-chain-form__toggle-thumb{position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;box-shadow:0 1px 3px rgba(0,0,0,.3);transition:transform .25s cubic-bezier(.34,1.56,.64,1)}.add-chain-form__toggle-input:checked+.add-chain-form__toggle-track .add-chain-form__toggle-thumb{transform:translateX(20px)}.add-chain-form__error{display:flex;align-items:center;gap:8px;padding:12px 14px;background:rgba(248,113,113,.08);border:1px solid rgba(248,113,113,.2);border-radius:12px;font-size:13px;color:var(--ring-negative,#f87171);line-height:1.4}.add-chain-page__actions{margin-top:24px;padding:0 2px}.add-chain-page__submit{width:100%;padding:14px 20px;font-size:16px;font-weight:600;font-family:inherit;color:#fff;background:var(--ring-gradient);border:none;border-radius:14px;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,opacity .2s ease;-webkit-tap-highlight-color:transparent;box-shadow:0 8px 24px rgba(188,116,237,.25)}.add-chain-page__submit:hover{transform:translateY(-1px);box-shadow:0 12px 32px rgba(188,116,237,.35)}.add-chain-page__submit:active{transform:translateY(0)}.add-chain-page__submit:disabled{opacity:.6;cursor:not-allowed;transform:none}