.modal-backdrop{position:fixed;inset:0;background:var(--scrim-modal);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:2000;opacity:0;transition:opacity .3s ease;pointer-events:none}.modal-backdrop.active{opacity:1;pointer-events:all}.modal-overlay{position:fixed;inset:0;z-index:2001;display:flex;align-items:center;justify-content:center;padding:var(--space-lg);pointer-events:none;visibility:hidden;transition:visibility 0s linear .35s}.modal-overlay.active{pointer-events:all;visibility:visible;transition-delay:0s}.modal-overlay::before{content:"";position:fixed;inset:0;z-index:-1;background:var(--scrim-modal);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);opacity:0;transition:opacity .3s ease}.modal-overlay.active::before{opacity:1}.modal-backdrop{display:none}.modal-container{position:relative;background:var(--bg-card);border:1px solid rgba(242,193,78,.12);border-radius:var(--radius-xl);width:100%;max-width:540px;max-height:90vh;overflow-y:auto;box-shadow:0 32px 80px rgba(0,0,0,.8),0 0 0 1px rgba(242,193,78,.05);transform:translateY(24px) scale(.97);opacity:0;position:relative;transition:transform .35s cubic-bezier(.16, 1, .3, 1),opacity .3s ease}.modal-overlay.active .modal-container{transform:translateY(0) scale(1);opacity:1}.modal-container::-webkit-scrollbar{width:4px}.modal-container::-webkit-scrollbar-track{background:0 0}.modal-container::-webkit-scrollbar-thumb{background:var(--lamp-edge-mid);border-radius:var(--radius-2xs)}.modal-close{position:absolute;top:var(--space-md);right:var(--space-md);width:36px;height:36px;border-radius:50%;background:var(--veil-surface);border:1px solid var(--veil-surface-lit);display:flex;align-items:center;justify-content:center;color:var(--text-dim);cursor:pointer;transition:color var(--transition-fast),background var(--transition-fast),transform var(--transition-spring);z-index:10}.modal-close:hover{color:var(--text-primary);background:var(--veil-line);transform:scale(1.1)}.modal-close svg{width:16px;height:16px}.modal-body{padding:var(--space-xl) var(--space-xl) var(--space-2xl)}.modal-header{margin-bottom:var(--space-xl);padding-bottom:var(--space-lg);border-bottom:1px solid rgba(242,193,78,.08)}.modal-title{font-family:var(--font-heading);font-size:var(--text-2xl);font-weight:600;color:var(--text-primary);margin-bottom:var(--space-xs)}.modal-subtitle{font-size:var(--text-sm);color:var(--text-dim)}.checkout-book-summary{display:flex;gap:var(--space-lg);padding:var(--space-lg);background:var(--bg-section);border-radius:var(--radius-md);margin-bottom:var(--space-xl);border:1px solid var(--lamp-edge)}.checkout-book-cover{width:72px;height:96px;border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0;box-shadow:var(--shadow-sm)}.checkout-book-info{display:flex;flex-direction:column;justify-content:center;gap:var(--space-xs)}.checkout-book-genre{font-size:var(--text-xs);font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--amber)}.checkout-book-title{font-family:var(--font-heading);font-size:var(--text-lg);font-weight:600;color:var(--text-primary);line-height:1.3}.checkout-book-price{font-family:var(--font-heading);font-size:var(--text-xl);font-weight:700;color:var(--gold)}.payment-section-title{font-size:var(--text-xs);font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);margin-bottom:var(--space-md)}.payment-methods{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-sm);margin-bottom:var(--space-xl)}.payment-method-btn{display:flex;flex-direction:column;align-items:center;gap:var(--space-xs);padding:var(--space-md);background:var(--bg-section);border:1.5px solid rgba(242,193,78,.08);border-radius:var(--radius-md);cursor:pointer;transition:border-color var(--transition-fast),background var(--transition-fast),transform var(--transition-spring),box-shadow var(--transition-base);text-align:center}.payment-method-btn:hover{border-color:var(--lamp-edge-mid);background:rgba(242,193,78,.04);transform:translateY(-2px)}.payment-method-btn.selected{border-color:var(--gold);background:var(--lamp-edge);box-shadow:0 0 16px rgba(242,193,78,.12)}.payment-method-btn svg{width:28px;height:28px;color:var(--text-dim);transition:color var(--transition-fast)}.payment-method-btn.selected svg,.payment-method-btn:hover svg{color:var(--gold)}.payment-method-name{font-size:var(--text-xs);font-weight:600;color:var(--text-muted);transition:color var(--transition-fast)}.payment-method-btn.selected .payment-method-name,.payment-method-btn:hover .payment-method-name{color:var(--text-primary)}.payment-form{display:none;flex-direction:column;gap:var(--space-md)}.payment-form.active{display:flex}.form-group{display:flex;flex-direction:column;gap:var(--space-xs)}.form-label{font-size:var(--text-xs);font-weight:600;color:var(--text-dim);letter-spacing:.05em}.form-input{width:100%;padding:var(--space-md);background:var(--bg-section);border:1.5px solid var(--lamp-edge-soft);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-body);font-size:var(--text-sm);outline:0;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-input::placeholder{color:var(--text-faint)}.form-input:focus{border-color:rgba(242,193,78,.35);box-shadow:0 0 0 3px var(--lamp-edge)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}.bank-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-sm)}.bank-option{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--bg-section);border:1.5px solid rgba(242,193,78,.08);border-radius:var(--radius-sm);cursor:pointer;transition:border-color var(--transition-fast),background var(--transition-fast)}.bank-option:hover{border-color:var(--lamp-edge-mid)}.bank-option.selected{border-color:var(--gold);background:rgba(242,193,78,.05)}.bank-option input[type=radio]{display:none}.bank-logo{width:28px;height:28px;border-radius:var(--radius-sm);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:var(--text-xs);font-weight:800;color:#fff}.bank-logo.kbank{background:#138f2d}.bank-logo.bay{background:#fec10d;color:var(--on-light)}.bank-logo.bbl{background:#1ba5e0}.bank-logo.ktb{background:#00a6e2}.bank-logo.scb{background:#4e2684}.bank-name{font-size:var(--text-xs);font-weight:600;color:var(--text-muted)}.qr-container{display:flex;flex-direction:column;align-items:center;gap:var(--space-lg);padding:var(--space-xl);background:#fff;border-radius:var(--radius-md);margin-bottom:var(--space-lg)}.qr-container img{width:200px;height:200px;object-fit:contain}.qr-container p{color:var(--on-light);font-size:var(--text-sm);text-align:center;line-height:1.6}.qr-timer{font-size:var(--text-xs);color:var(--amber);text-align:center}.qr-instructions{font-size:var(--text-sm);color:var(--text-muted);text-align:center;line-height:1.7}.checkout-submit{margin-top:var(--space-md)}.btn-checkout{width:100%;padding:var(--space-md) var(--space-xl);background:var(--gold);color:var(--on-gold);font-weight:700;font-size:var(--text-base);border-radius:var(--radius-xl);border:none;cursor:pointer;transition:transform var(--transition-spring),box-shadow var(--transition-base),filter var(--transition-fast);box-shadow:0 4px 24px rgba(242,193,78,.4);position:relative;overflow:hidden;letter-spacing:.02em}.btn-checkout::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.12) 0,transparent 50%);pointer-events:none}.btn-checkout:hover{transform:translateY(-2px);box-shadow:0 8px 36px rgba(242,193,78,.55);filter:brightness(1.05)}.btn-checkout:active{transform:translateY(0) scale(.98)}.btn-checkout:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.btn-checkout.loading::after{content:'';display:inline-block;width:16px;height:16px;border:2px solid rgba(26,16,0,.3);border-top-color:var(--on-gold);border-radius:50%;animation:spin .7s linear infinite;margin-left:var(--space-sm);vertical-align:middle}.btn-verify{width:100%;padding:var(--space-md);background:0 0;border:1.5px solid var(--lamp-edge-strong);border-radius:var(--radius-xl);color:var(--gold);font-weight:600;font-size:var(--text-sm);cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast);margin-top:var(--space-sm)}.btn-verify:hover{background:var(--lamp-edge);border-color:var(--gold)}.checkout-success{display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-lg);padding:var(--space-xl) 0}.success-icon{width:72px;height:72px;border-radius:50%;background:var(--lamp-edge-soft);border:2px solid var(--lamp-edge-strong);display:flex;align-items:center;justify-content:center;color:var(--gold);box-shadow:0 0 32px;animation:successPop .5s cubic-bezier(.16,1,.3,1)}.success-icon svg{width:36px;height:36px}@keyframes successPop{from{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}.success-title{font-family:var(--font-heading);font-size:var(--text-2xl);font-weight:700;color:var(--text-primary)}.success-message{font-size:var(--text-sm);color:var(--text-muted);line-height:1.7;max-width:360px}.success-expires{font-size:var(--text-xs);color:var(--amber);padding:6px var(--space-md);background:rgba(232,155,59,.08);border-radius:var(--radius-sm);border:1px solid rgba(232,155,59,.2)}.btn-download{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-2xl);background:var(--gold);color:var(--on-gold);font-weight:800;font-size:var(--text-base);border-radius:var(--radius-xl);text-decoration:none;transition:transform var(--transition-spring),box-shadow var(--transition-base);box-shadow:0 4px 24px rgba(242,193,78,.45);cursor:pointer;animation:downloadPulse 2s ease-in-out infinite}.btn-download:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 10px 40px rgba(242,193,78,.6);animation-play-state:paused}.btn-download svg{width:20px;height:20px}@keyframes downloadPulse{0%,100%{box-shadow:0 4px 24px rgba(242,193,78,.45)}50%{box-shadow:0 4px 36px rgba(242,193,78,.65)}}.checkout-error{display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-md);padding:var(--space-lg) 0}.error-icon{width:56px;height:56px;border-radius:50%;background:var(--danger-veil);border:1px solid var(--danger-edge);display:flex;align-items:center;justify-content:center;color:var(--danger)}.error-icon svg{width:28px;height:28px}.error-title{font-family:var(--font-heading);font-size:var(--text-xl);font-weight:600;color:var(--text-primary)}.error-message{font-size:var(--text-sm);color:var(--text-dim);line-height:1.7}.checkout-security{display:flex;align-items:center;justify-content:center;gap:var(--space-sm);margin-top:var(--space-md);color:var(--text-faint);font-size:var(--text-xs)}.checkout-security svg{width:14px;height:14px;color:var(--text-dim)}.polling-indicator{display:flex;align-items:center;gap:var(--space-sm);justify-content:center;color:var(--text-dim);font-size:var(--text-sm);margin:var(--space-md) 0}.polling-dots{display:flex;gap:4px}.polling-dots span{width:6px;height:6px;border-radius:50%;background:var(--gold);animation:pollingFloat 1.5s ease-in-out infinite}.polling-dots span:nth-child(2){animation-delay:.2s}.polling-dots span:nth-child(3){animation-delay:.4s}@keyframes pollingFloat{0%,100%{transform:translateY(0);opacity:.5}50%{transform:translateY(-4px);opacity:1}}@media (max-width:768px){.modal-overlay{align-items:flex-end;padding:0}.modal-container{border-radius:var(--radius-xl) var(--radius-xl) 0 0;max-height:92vh}.modal-body{padding:var(--space-lg) var(--space-md) var(--space-xl)}.checkout-book-summary{padding:var(--space-md);gap:var(--space-md)}.checkout-book-cover{width:60px;height:80px}.payment-methods{grid-template-columns:1fr 1fr}.form-row{grid-template-columns:1fr}}.stripe-card-wrapper{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-md,8px);padding:12px 14px;transition:border-color .2s ease;min-height:44px}.stripe-card-wrapper:focus-within{border-color:var(--gold);box-shadow:0 0 0 3px var(--lamp-edge-lit)}.stripe-card-error{color:var(--danger);font-size:var(--text-xs);margin-top:6px;min-height:1rem}.spinner-svg{width:16px;height:16px;display:inline-block;vertical-align:middle;margin-right:6px;animation:spin .8s linear infinite}@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}.checkout-inline-error{display:flex;gap:var(--space-md);align-items:flex-start;padding:var(--space-md);margin-bottom:var(--space-lg);background:var(--danger-veil);border:1px solid var(--danger-edge);border-radius:var(--radius-md)}.checkout-inline-error-icon{flex-shrink:0;width:22px;height:22px;color:var(--danger)}.checkout-inline-error-icon svg{width:100%;height:100%}.checkout-inline-error-body{flex:1;min-width:0}.checkout-inline-error-text{color:var(--danger);font-size:var(--text-sm);font-weight:600;line-height:1.5;margin:0}.checkout-inline-error-hint{color:var(--text-muted);font-size:var(--text-sm);line-height:1.6;margin:4px 0 0}.checkout-inline-error-action{margin-top:var(--space-md);min-height:44px;padding:0 var(--space-lg);font-size:var(--text-sm);font-weight:600;border-radius:var(--radius-xl);border-color:var(--lamp-edge-strong);color:var(--gold)}.checkout-inline-error-action:hover{background:var(--lamp-edge);border-color:var(--gold)}.success-permanent{font-size:var(--text-sm);color:var(--success);font-weight:600;line-height:1.6;max-width:360px;margin:0}.success-secondary{display:inline-flex;align-items:center;gap:var(--space-sm);min-height:44px;padding:0 var(--space-lg);border:1px solid var(--lamp-edge-mid);border-radius:var(--radius-xl);color:var(--text-muted);font-size:var(--text-sm);font-weight:600;text-decoration:none;transition:color var(--transition-fast),border-color var(--transition-fast),background var(--transition-fast)}.success-secondary:hover{color:var(--gold);border-color:var(--gold);background:var(--lamp-edge)}.success-secondary svg{width:18px;height:18px}.success-note{font-size:var(--text-xs);color:var(--text-dim);line-height:1.6;max-width:380px;margin:0}.btn-save-qr{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);width:100%;min-height:48px;padding:0 var(--space-lg);background:var(--gold);color:var(--bg-primary);border:none;border-radius:var(--radius-pill);font-family:var(--font-body);font-size:var(--text-base);font-weight:600;cursor:pointer;transition:filter var(--transition-fast)}.btn-save-qr:hover{filter:brightness(1.08)}.btn-save-qr:active{filter:brightness(.94)}.btn-save-qr svg{width:20px;height:20px;flex-shrink:0}.qr-hint-fallback{margin:0;color:var(--on-light);font-size:var(--text-sm);text-align:center}.qr-steps{margin:0 0 var(--space-md);padding-left:1.6em;list-style:decimal outside;color:var(--text-muted);font-size:var(--text-sm);line-height:1.9}.qr-steps li::marker{color:var(--gold);font-weight:600}.qr-steps li{margin-bottom:2px}.qr-steps strong{color:var(--text-primary);font-weight:600}.qr-note{margin:0 0 var(--space-lg);padding:var(--space-sm) var(--space-md);border-left:2px solid var(--veil-line);color:var(--text-dim);font-size:var(--text-xs);line-height:1.7}.qr-warn{margin:var(--space-md) 0 0;color:var(--text-dim);font-size:var(--text-xs);line-height:1.7;text-align:center}.qr-warn strong{color:var(--gold);font-weight:600}.guest-email-group{margin-bottom:var(--space-lg)}.form-help{margin:var(--space-xs) 0 0;color:var(--text-dim);font-size:var(--text-xs);line-height:1.6}.form-error{margin:var(--space-xs) 0 0;color:var(--danger);font-size:var(--text-xs);line-height:1.6}.claim-account{width:100%;margin:var(--space-lg) 0 var(--space-md);padding-top:var(--space-lg);border-top:1px solid var(--veil-line);text-align:left}.claim-title{margin:0 0 var(--space-xs);color:var(--text-primary);font-size:var(--text-base);font-weight:600}.claim-sub{margin:0 0 var(--space-md);color:var(--text-muted);font-size:var(--text-xs);line-height:1.7}.claim-row{display:flex;gap:var(--space-sm);align-items:stretch}.claim-row .form-input{flex:1;min-width:0}.btn-claim{flex-shrink:0;min-height:48px;padding:0 var(--space-lg);background:var(--gold);color:var(--bg-primary);border:none;border-radius:var(--radius-pill);font-family:var(--font-body);font-size:var(--text-sm);font-weight:600;cursor:pointer;transition:filter var(--transition-fast)}.btn-claim:hover:not(:disabled){filter:brightness(1.08)}.btn-claim:disabled{opacity:.6;cursor:default}.claim-msg{margin:var(--space-sm) 0 0;font-size:var(--text-xs);line-height:1.6}.claim-msg--error{color:var(--danger)}@media (max-width:420px){.claim-row{flex-direction:column}.btn-claim{width:100%}}