@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Newsreader:ital,wght@0,400;0,500;0,600;1,400&family=Space+Mono&display=swap");:root{--paper:#FAFAF8;--ink:#1A1A1A;--stone:#6B6B6B;--sand:#9A9A9A;--cloud:#F2F2EF;--surface:#FFFFFF;--bg:var(--paper);--bg-card:var(--cloud);--bg-elevated:var(--surface);--text:var(--ink);--text-muted:var(--stone);--text-subtle:var(--sand);--border:rgba(26,26,26,0.08);--border-med:rgba(26,26,26,0.15);--success:#22C55E;--success-light:rgba(34,197,94,0.1);--error:#EF4444;--error-light:rgba(239,68,68,0.1);--warning:#F59E0B;--warning-light:rgba(245,158,11,0.1);--info:#3B82F6;--font-serif:"Newsreader",Georgia,serif;--font-sans:"DM Sans",-apple-system,BlinkMacSystemFont,sans-serif;--font-mono:"Space Mono",monospace;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-full:9999px}[data-theme=dark]{color-scheme:dark;--paper:#1A1A1A;--ink:#FAFAF8;--stone:#E5E5E2;--sand:#6B6B6B;--cloud:#252525;--surface:#252525;--bg:var(--paper);--bg-card:var(--cloud);--bg-elevated:var(--surface);--text:var(--ink);--text-muted:var(--stone);--text-subtle:var(--sand);--border:rgba(250,250,248,0.08);--border-med:rgba(250,250,248,0.15)}*{box-sizing:border-box;padding:0;margin:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3{font-family:var(--font-serif);font-weight:400;line-height:1.2}h1{font-size:48px}h2{font-size:32px}h3{font-size:24px}.mono{font-family:var(--font-mono)}a{color:inherit;text-decoration:none}button{cursor:pointer}button,input,select{font-family:inherit}.nav{justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border);background:var(--bg);position:-webkit-sticky;position:sticky;top:0;z-index:100}.nav,.nav-brand{display:flex;align-items:center}.nav-brand{gap:12px;text-decoration:none;color:var(--text)}.nav-brand svg{width:32px;height:32px}.nav-brand span{font-size:18px;font-weight:600;letter-spacing:-.5px}.nav-right{gap:16px}.nav-right,.theme-toggle{display:flex;align-items:center}.theme-toggle{justify-content:center;width:40px;height:40px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:all .2s}.theme-toggle:hover{background:var(--bg-card)}.theme-toggle svg{width:18px;height:18px;color:var(--text-muted)}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;font-size:12px;font-weight:600;border-radius:var(--radius-full)}.badge-live{background:var(--ink);color:var(--paper)}.badge-testnet{background:var(--warning-light);color:#B45309}.main-content{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px;min-height:calc(100vh - 200px)}.card{padding:24px}.card,.card-elevated{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg)}.card-elevated{box-shadow:0 4px 24px rgba(0,0,0,.06)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;font-size:14px;font-weight:600;border-radius:var(--radius-sm);border:none;cursor:pointer;text-decoration:none;transition:all .2s}.btn-primary{background:var(--ink);color:var(--paper)}.btn-primary:hover:not(:disabled){background:#333}[data-theme=dark] .btn-primary:hover:not(:disabled){background:#E5E5E2}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-secondary{background:var(--bg-elevated);color:var(--text);border:1px solid var(--border-med)}.btn-secondary:hover:not(:disabled){background:var(--bg-card)}.btn-ghost{background:transparent;color:var(--text-muted);border:none;padding:8px 12px}.btn-ghost:hover{color:var(--text);background:var(--bg-card)}.input{width:100%;padding:12px 16px;font-size:16px;border:1px solid var(--border-med);border-radius:var(--radius-sm);background:var(--bg-elevated);color:var(--text);transition:border-color .2s}.input:hover{border-color:var(--text-subtle)}.input:focus{outline:none;border-color:var(--text)}.input::placeholder{color:var(--text-subtle)}.input-lg{padding:18px 20px;font-size:24px;font-weight:500}.label{display:block;font-size:12px;font-weight:600;color:var(--text-muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:1px}.divider{height:1px;background:var(--border);margin:24px 0}.trust-row{justify-content:center;gap:24px;padding:16px 0;color:var(--text-muted);font-size:13px}.trust-item,.trust-row{display:flex;align-items:center}.trust-item{gap:6px}@keyframes spin{to{transform:rotate(1turn)}}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--text);border-radius:50%;animation:spin .8s linear infinite}.spinner-light{border-color:white rgba(255,255,255,.3) rgba(255,255,255,.3)}@keyframes success-pop{0%{transform:scale(.9);opacity:0}50%{transform:scale(1.02)}to{transform:scale(1);opacity:1}}.success-animation{animation:success-pop .4s ease-out}@keyframes confetti-fall{0%{transform:translateY(-100vh) rotate(0deg);opacity:1}to{transform:translateY(100vh) rotate(2turn);opacity:0}}.confetti{position:fixed;width:10px;height:10px;animation:confetti-fall 3s ease-out forwards;pointer-events:none;z-index:1000}.footer{border-top:none;padding:64px 24px 32px;margin-top:auto;background:#1a1a1a;color:#fff}.footer-inner{max-width:1200px;margin:0 auto}.footer-top{display:flex;justify-content:space-between;gap:48px;margin-bottom:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1)}.footer-brand-section{display:flex;align-items:center;gap:12px;margin-bottom:12px}.footer-brand-section svg{width:32px;height:32px;color:#fff}.footer-brand{font-size:18px;font-weight:600;letter-spacing:-.5px;color:#fff}.footer-tagline{color:rgba(255,255,255,.6);font-size:14px}.footer-links-grid{display:flex;gap:64px}.footer-col{display:flex;flex-direction:column;gap:12px}.footer-col-title{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:rgba(255,255,255,.5);margin-bottom:4px}.footer-link{font-size:14px;color:rgba(255,255,255,.8);text-decoration:none;transition:color .2s}.footer-link:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:none}.footer-copy{font-size:13px;color:rgba(255,255,255,.4)}.footer-legal{display:flex;gap:24px}:focus-visible{outline:2px solid var(--text);outline-offset:2px}.tip-page{flex:1 1;display:flex;align-items:center;justify-content:center;padding:24px;min-height:calc(100vh - 65px - 60px);background:radial-gradient(ellipse at top,rgba(34,197,94,.03) 0,transparent 50%),var(--bg)}@keyframes card-enter{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.tip-card{background:var(--bg-elevated);border-radius:var(--radius-lg);padding:28px;width:100%;max-width:440px;box-shadow:0 0 0 1px var(--border),0 2px 4px rgba(0,0,0,.02),0 8px 32px rgba(0,0,0,.08),0 24px 48px rgba(0,0,0,.04);animation:card-enter .4s ease-out}.tip-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.tip-header-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-subtle)}.tip-change-link{font-size:12px;font-weight:500;color:var(--accent,#0052FF);text-decoration:none;padding:4px 10px;border-radius:6px;background:var(--accent-subtle,rgba(0,82,255,.08));transition:all .15s ease}.tip-change-link:hover{background:var(--accent-subtle-hover,rgba(0,82,255,.15))}.tip-divider{height:1px;background:var(--border);margin:16px 0}.tip-form{gap:16px}.tip-form,.tip-section{display:flex;flex-direction:column}.tip-section{gap:8px}.tip-label{font-size:13px;font-weight:600;color:var(--text);display:block}.tip-label-hint{font-size:12px;font-weight:400;color:var(--text-subtle)}.tip-token-label{display:flex;flex-direction:column;gap:2px}.tip-balance{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border);font-size:11px;color:var(--text-muted);transition:all .2s ease}.tip-balance .mono{color:var(--text);font-weight:500}.tip-balance:hover{border-color:var(--border-med);background:var(--bg-elevated)}.recipient-row{display:flex;align-items:center;gap:16px;padding:16px;margin:0 -8px;background:linear-gradient(135deg,rgba(34,197,94,.04),transparent 60%);border-radius:var(--radius-md);transition:background .2s ease}.recipient-avatar{width:56px;height:56px;border-radius:50%;overflow:hidden;flex-shrink:0;background:var(--bg-card);box-shadow:0 0 0 2px var(--bg-elevated),0 4px 12px rgba(0,0,0,.1)}.recipient-info{display:flex;flex-direction:column;gap:3px;min-width:0}.recipient-name{font-family:var(--font-serif);font-size:20px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:-.3px}.recipient-address{font-size:13px;color:var(--text-muted);text-decoration:none;transition:color .15s ease}.recipient-address:hover{color:var(--text)}.tip-form-row{display:flex;gap:10px}.tip-amount-input{flex:1 1;position:relative}.tip-amount-input .prefix{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:24px;font-weight:500;pointer-events:none;transition:color .15s ease}.tip-amount-input:focus-within .prefix{color:var(--text)}.tip-amount-input input{width:100%;padding:16px 16px 16px 40px;font-size:24px;font-weight:500;border:2px solid var(--border-med);border-radius:var(--radius-md);background:var(--bg-elevated);color:var(--text);transition:all .2s ease}.tip-amount-input input:hover{border-color:var(--text-subtle)}.tip-amount-input input:focus{outline:none;border-color:var(--text);box-shadow:0 0 0 3px rgba(26,26,26,.08)}.tip-amount-input input::-webkit-inner-spin-button,.tip-amount-input input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.tip-amount-input input[type=number]{-moz-appearance:textfield}.tip-quick-amounts{display:flex;gap:6px}.tip-quick-btn{min-width:48px;padding:10px 14px;font-size:14px;font-weight:600;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;transition:all .15s cubic-bezier(.4,0,.2,1)}.tip-quick-btn:hover:not(.active){background:var(--bg-elevated);border-color:var(--text-subtle);color:var(--text);transform:translateY(-1px)}.tip-quick-btn.active{background:var(--text);color:var(--bg);border-color:var(--text);box-shadow:0 2px 8px rgba(0,0,0,.15)}.tip-quick-btn:active{transform:translateY(0)}.tip-token-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.tip-breakdown{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px 18px 16px 22px;display:flex;flex-direction:column;gap:10px;position:relative}.tip-breakdown:before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--success);border-radius:0 2px 2px 0;opacity:.7}.tip-breakdown-row{display:flex;align-items:center;justify-content:space-between;font-size:14px}.tip-breakdown-label{color:var(--text-muted)}.tip-breakdown-value{font-weight:500;color:var(--text)}.tip-breakdown-highlight{color:var(--success);font-weight:700;font-size:15px}.tip-breakdown-loading,.tip-breakdown-note{display:flex;align-items:center}.tip-breakdown-note{gap:6px;font-size:12px;color:var(--text-subtle);padding-top:10px;border-top:1px solid var(--border);margin-top:4px}.tip-breakdown-note svg{flex-shrink:0;color:var(--info)}.tip-breakdown-route{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:500;font-family:var(--font-mono)}.tip-route-via{font-size:11px;font-weight:500;color:var(--text-muted);font-family:var(--font-sans);padding:2px 8px;background:var(--bg-subtle,rgba(0,0,0,.05));border-radius:4px}.tip-quote{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--bg-card);border-radius:var(--radius-sm);margin-bottom:14px;font-size:14px}.tip-quote-label{color:var(--text-muted)}.tip-quote-value{font-weight:500;color:var(--text)}.tip-submit{width:100%;padding:18px 28px;font-size:16px;font-weight:600;letter-spacing:-.2px;background:var(--text);color:var(--bg);border:none;border-radius:var(--radius-md);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:all .2s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.tip-submit:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.12),transparent);transition:left .5s ease}.tip-submit:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.2)}.tip-submit:hover:not(:disabled):after{left:100%}.tip-submit:active:not(:disabled){transform:translateY(0);box-shadow:0 2px 8px rgba(0,0,0,.15)}.tip-submit:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}.tip-submit svg{transition:transform .2s ease}.tip-submit:hover:not(:disabled) svg{transform:translateX(4px)}.tip-submit.tip-submit-approve{background:transparent;color:var(--text);border:2px solid var(--border-med)}.tip-submit.tip-submit-approve:hover:not(:disabled){background:var(--bg-card);border-color:var(--text-muted)}.tip-approval-section{display:flex;flex-direction:column;gap:10px}.tip-tx-link{display:inline-flex;align-items:center;justify-content:center;gap:4px;font-size:13px;font-weight:500;color:var(--info);text-decoration:none;padding:8px;border-radius:var(--radius-sm);background:rgba(59,130,246,.08);transition:all .2s ease}.tip-tx-link:hover{background:rgba(59,130,246,.15);color:#2563eb}.tip-error-icon{width:56px;height:56px;background:var(--error-light);color:var(--error)}.tip-error-icon,.tip-success-icon{border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.tip-success-icon{width:64px;height:64px;background:var(--success);color:white;box-shadow:0 8px 24px rgba(34,197,94,.3)}.tip-success-amount{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;background:var(--success-light);border-radius:var(--radius-full);font-size:15px;color:#166534}.tip-success-amount .mono{font-size:18px;font-weight:600}.tip-connect-prompt{text-align:center;padding:32px 20px;display:flex;flex-direction:column;align-items:center;gap:12px;background:linear-gradient(180deg,var(--bg-card) 0,transparent 100%);border-radius:var(--radius-md);margin:0 -8px}.tip-connect-prompt svg{color:var(--text-subtle);opacity:.5;width:32px;height:32px}.tip-connect-prompt p{font-size:16px;font-weight:500;color:var(--text);margin:0}.tip-connect-hint{font-size:13px;color:var(--text-muted);line-height:1.5}.tip-submit-hint{text-align:center;font-size:12px;color:var(--text-subtle);margin-top:12px;display:flex;align-items:center;justify-content:center;gap:6px}.tip-submit-hint:before{content:"✓";color:var(--success);font-size:11px}.tip-trust{justify-content:center;gap:20px;margin:24px -28px -28px;padding:14px 28px;background:var(--bg-card);border-radius:0 0 var(--radius-lg) var(--radius-lg);border-top:1px solid var(--border)}.tip-trust,.tip-trust-item{display:flex;align-items:center}.tip-trust-item{gap:5px;font-size:11px;font-weight:500;color:var(--text-muted);letter-spacing:.2px}.tip-trust-item svg{color:var(--success);opacity:.9}.tip-security-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:linear-gradient(135deg,rgba(34,197,94,.08),rgba(59,130,246,.06));border:1px solid rgba(34,197,94,.2);border-radius:var(--radius-full);font-size:11px;font-weight:600;color:var(--success);letter-spacing:.3px;text-transform:uppercase}.tip-security-badge svg{width:12px;height:12px}.tip-protocol-info{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;margin-top:16px;background:var(--bg-card);border-radius:var(--radius-sm);font-size:11px;color:var(--text-subtle)}.tip-protocol-info a{color:var(--text-muted);text-decoration:underline;text-underline-offset:2px}.tip-protocol-info a:hover{color:var(--text)}.recipient-verified{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;background:var(--success);border-radius:50%;margin-left:6px;flex-shrink:0}.recipient-verified svg{width:10px;height:10px;color:white}.tip-loading{justify-content:center;gap:10px;background:var(--bg-card);font-size:14px;color:var(--text-muted)}.tip-error,.tip-loading{display:flex;align-items:center;padding:10px 14px;border-radius:var(--radius-sm);margin-bottom:14px}.tip-error{gap:8px;background:var(--error-light);font-size:13px;color:var(--error)}.tip-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-subtle)}.tip-footer a{color:var(--text-muted);text-decoration:none}.tip-footer a:hover{color:var(--text)}@media (max-width:768px){h1{font-size:36px}h2{font-size:28px}.main-content{padding:32px 16px}.trust-row{flex-wrap:wrap;gap:16px}.footer-top{flex-direction:column;gap:32px}.footer-links-grid{gap:32px;flex-wrap:wrap}.footer-bottom{flex-direction:column;gap:16px;text-align:center}.tip-page{padding:16px}.tip-card{padding:24px}.nav{padding:12px 16px}.nav-brand span{display:none}}@media (max-width:480px){.tip-page{align-items:flex-start;padding:24px 12px 12px}.tip-card{padding:20px;max-width:100%}.tip-form-row{flex-direction:column;gap:12px}.tip-quick-amounts{width:100%;justify-content:space-between}.tip-quick-btn{flex:1 1;text-align:center}.recipient-avatar{width:40px;height:40px}.recipient-name{font-size:16px}.recipient-address{font-size:12px}.tip-amount-input input{font-size:20px;padding:14px 14px 14px 34px}.tip-amount-input .prefix{font-size:20px}.tip-submit{padding:16px 20px;font-size:16px}.footer{padding:32px 16px}.footer-links-grid{gap:24px}.footer-col{min-width:100px}.tip-trust{flex-wrap:wrap;gap:12px 16px;padding:12px 20px;margin:20px -20px -20px}.tip-trust-item{font-size:10px}.tip-trust-item svg{width:11px;height:11px}.tip-security-badge{font-size:10px;padding:5px 10px}.tip-protocol-info{flex-wrap:wrap;justify-content:center;font-size:10px}.tip-balance{font-size:10px;padding:2px 6px}.recipient-verified{width:14px;height:14px}.recipient-verified svg{width:8px;height:8px}}