.ui-button{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);font-family:var(--font-family);font-weight:var(--font-weight-medium);border:none;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-all);outline:none;text-decoration:none;white-space:nowrap;position:relative;overflow:hidden}.ui-button:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.ui-button:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.ui-button-sm{padding:var(--btn-padding-sm);font-size:var(--font-size-sm);min-height:var(--btn-height-sm)}.ui-button-md{padding:var(--btn-padding-md);font-size:var(--font-size-base);min-height:var(--btn-height-md)}.ui-button-lg{padding:var(--btn-padding-lg);font-size:var(--font-size-lg);min-height:var(--btn-height-lg)}.ui-button-primary{background:var(--color-primary-gradient);color:var(--text-inverse);box-shadow:var(--shadow-sm)}.ui-button-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #10b9814d}.ui-button-primary:active:not(:disabled){transform:translateY(0)}.ui-button-secondary{background:var(--bg-primary);color:var(--text-primary);border:2px solid var(--border-color);box-shadow:var(--shadow-xs)}.ui-button-secondary:hover:not(:disabled){background:var(--bg-hover);border-color:var(--color-primary);color:var(--color-primary);transform:translateY(-1px)}.ui-button-danger{background:var(--color-error);color:var(--text-inverse);box-shadow:var(--shadow-sm)}.ui-button-danger:hover:not(:disabled){background:#dc2626;transform:translateY(-2px);box-shadow:0 8px 20px #ef44444d}.ui-button-ghost{background:transparent;color:var(--text-primary);border:1px solid transparent}.ui-button-ghost:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border-color)}.ui-button-link{background:transparent;color:var(--color-primary);padding:0;min-height:auto;text-decoration:underline}.ui-button-link:hover:not(:disabled){color:var(--color-primary-dark)}.ui-button-full-width{width:100%}.ui-button-loading{pointer-events:none}.ui-button-spinner{width:16px;height:16px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .6s linear infinite}.ui-button-icon{display:flex;align-items:center;justify-content:center;font-size:1.2em}@media (max-width: 640px){.ui-button-md{padding:var(--btn-padding-sm);font-size:var(--font-size-sm)}.ui-button-lg{padding:var(--btn-padding-md);font-size:var(--font-size-base)}}.ui-icon{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;line-height:1;vertical-align:middle;-webkit-user-select:none;user-select:none}.ui-icon-xs{width:14px;height:14px}.ui-icon-sm{width:16px;height:16px}.ui-icon-md{width:20px;height:20px}.ui-icon-lg{width:24px;height:24px}.ui-icon-xl{width:32px;height:32px}.ui-icon-2xl{width:40px;height:40px}.ui-icon-spin{animation:icon-spin 1s linear infinite}@keyframes icon-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.ui-input-wrapper{display:flex;flex-direction:column;gap:var(--spacing-sm)}.ui-input-label{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--text-primary);display:flex;align-items:center;gap:var(--spacing-xs)}.ui-input-required{color:var(--color-error)}.ui-input-container{position:relative;display:flex;align-items:center}.ui-input{width:100%;font-family:var(--font-family);font-size:var(--font-size-base);color:var(--text-primary);background:var(--bg-primary);border:2px solid var(--border-color);border-radius:var(--radius-md);outline:none;transition:var(--transition-all)}.ui-input::placeholder{color:var(--text-tertiary)}.ui-input:hover:not(:disabled){border-color:var(--border-color-dark)}.ui-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #10b9811a}.ui-input:disabled{background:var(--bg-tertiary);color:var(--text-disabled);cursor:not-allowed;opacity:.6}.ui-input-sm{padding:var(--input-padding-sm);font-size:var(--font-size-sm);min-height:var(--input-height-sm)}.ui-input-md{padding:var(--input-padding-md);font-size:var(--font-size-base);min-height:var(--input-height-md)}.ui-input-lg{padding:var(--input-padding-lg);font-size:var(--font-size-lg);min-height:var(--input-height-lg)}.ui-input-with-icon{padding-left:44px}.ui-input-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);display:flex;align-items:center;justify-content:center;color:var(--text-tertiary);pointer-events:none;z-index:1}.ui-input-hint{font-size:var(--font-size-sm);color:var(--text-secondary);margin-top:calc(-1 * var(--spacing-xs))}.ui-input-error{border-color:var(--color-error)}.ui-input-error:focus{border-color:var(--color-error);box-shadow:0 0 0 3px #ef44441a}.ui-input-error-text{font-size:var(--font-size-sm);color:var(--color-error);margin-top:calc(-1 * var(--spacing-xs));display:flex;align-items:center;gap:var(--spacing-xs)}.ui-input-error-text:before{content:"⚠";font-size:1.1em}.ui-card{background:var(--bg-primary);border-radius:var(--radius-xl);transition:var(--transition-all);display:flex;flex-direction:column}.ui-card-default{box-shadow:var(--shadow-card)}.ui-card-bordered{border:1px solid var(--border-color);box-shadow:var(--shadow-xs)}.ui-card-elevated{box-shadow:var(--shadow-lg)}.ui-card-padding-none{padding:0}.ui-card-padding-sm{padding:var(--spacing-lg)}.ui-card-padding-md{padding:var(--spacing-2xl)}.ui-card-padding-lg{padding:var(--spacing-3xl)}.ui-card-hoverable:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}.ui-card-clickable{cursor:pointer}.ui-card-clickable:active{transform:translateY(-2px)}.ui-card-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--border-color-light);margin-bottom:var(--spacing-lg)}.ui-card-padding-none .ui-card-header{padding:var(--spacing-2xl) var(--spacing-2xl) var(--spacing-lg);margin:0}.ui-card-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);color:var(--text-primary);margin:0}.ui-card-content{flex:1;color:var(--text-secondary)}.ui-card-padding-none .ui-card-content{padding:0 var(--spacing-2xl)}.ui-card-footer{display:flex;justify-content:flex-end;align-items:center;gap:var(--spacing-md);padding-top:var(--spacing-lg);border-top:1px solid var(--border-color-light);margin-top:var(--spacing-lg)}.ui-card-padding-none .ui-card-footer{padding:var(--spacing-lg) var(--spacing-2xl) var(--spacing-2xl);margin:0}@media (max-width: 640px){.ui-card-padding-md{padding:var(--spacing-lg)}.ui-card-padding-lg{padding:var(--spacing-2xl)}}.ui-badge{display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-family);font-weight:var(--font-weight-medium);border-radius:var(--radius-full);white-space:nowrap;vertical-align:middle}.ui-badge-sm{padding:2px 8px;font-size:var(--font-size-xs);min-height:20px}.ui-badge-md{padding:4px 12px;font-size:var(--font-size-sm);min-height:24px}.ui-badge-lg{padding:6px 16px;font-size:var(--font-size-base);min-height:28px}.ui-badge-success{background:var(--color-success-bg);color:var(--color-success-text)}.ui-badge-warning{background:var(--color-warning-bg);color:var(--color-warning-text)}.ui-badge-error{background:var(--color-error-bg);color:var(--color-error-text)}.ui-badge-info{background:var(--color-info-bg);color:var(--color-info-text)}.ui-badge-gray{background:var(--color-gray-100);color:var(--color-gray-700)}.ui-badge-dot{padding:0;width:8px;height:8px;min-height:8px}.ui-badge-dot.ui-badge-sm{width:6px;height:6px;min-height:6px}.ui-badge-dot.ui-badge-lg{width:10px;height:10px;min-height:10px}.payment-form-container{max-width:900px;margin:0 auto;padding:var(--spacing-4xl) var(--spacing-2xl)}.payment-form-content{display:flex;flex-direction:column;gap:var(--spacing-3xl)}.page-header{text-align:center;margin-bottom:var(--spacing-2xl)}.page-title{font-size:var(--font-size-3xl);font-weight:700;color:var(--color-primary);margin-bottom:var(--spacing-md);display:flex;align-items:center;justify-content:center;gap:var(--spacing-md)}.page-description{font-size:var(--font-size-lg);color:var(--text-secondary)}.payment-form{display:flex;flex-direction:column;gap:var(--spacing-3xl)}.form-section{display:flex;flex-direction:column;gap:var(--spacing-lg)}.section-label{font-size:var(--font-size-lg);font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:var(--spacing-sm)}.alert{padding:var(--spacing-lg);border-radius:var(--radius-md);display:flex;align-items:center;gap:var(--spacing-md);animation:slideDown .3s ease-out}.alert-error{background:var(--color-error-bg);border:2px solid var(--color-error);color:var(--color-error-text)}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.plans-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--spacing-xl)}.loading-placeholder{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);padding:var(--spacing-4xl);color:var(--text-secondary)}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.plan-card{position:relative;background:var(--bg-primary);border:3px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-3xl);cursor:pointer;transition:all .3s ease;display:flex;flex-direction:column;gap:var(--spacing-lg)}.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:var(--color-primary)}.plan-card.selected{border-color:var(--color-primary);box-shadow:var(--shadow-card);background:var(--color-primary-lighter)}[data-theme=dark] .plan-card.selected{background:var(--color-primary-bg);border-color:var(--color-primary);box-shadow:0 0 0 3px #34d39933,var(--shadow-lg)}.plan-card.popular{border-color:var(--color-primary)}.plan-badge{position:absolute;top:-12px;right:var(--spacing-xl);background:var(--color-primary-gradient);color:#fff;padding:4px 12px;border-radius:var(--radius-full);font-size:var(--font-size-sm);font-weight:600;display:flex;align-items:center;gap:4px;box-shadow:var(--shadow-md)}.plan-header{display:flex;justify-content:space-between;align-items:center}.plan-name{font-size:var(--font-size-xl);font-weight:700;color:var(--text-primary)}.check-icon{color:var(--color-success)}.plan-price{display:flex;align-items:baseline;gap:4px;margin:var(--spacing-md) 0}.price-symbol{font-size:var(--font-size-xl);color:var(--text-secondary)}.price-amount{font-size:var(--font-size-4xl);font-weight:700;color:var(--color-primary)}.price-period{font-size:var(--font-size-base);color:var(--text-secondary)}.plan-description{padding:var(--spacing-sm) var(--spacing-md);background:var(--color-success-bg);border-radius:var(--radius-sm);font-size:var(--font-size-sm);color:var(--color-success-text);font-weight:600;text-align:center;margin-top:var(--spacing-md)}.input-hint{display:flex;align-items:center;gap:var(--spacing-sm);font-size:var(--font-size-sm);color:var(--text-tertiary);margin-top:var(--spacing-sm)}.payment-method-info{display:flex;align-items:center;gap:var(--spacing-lg);padding:var(--spacing-lg)}.crypto-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--bg-secondary);flex-shrink:0}.crypto-details{flex:1;display:flex;flex-direction:column;gap:var(--spacing-sm)}.crypto-name{font-size:var(--font-size-lg);font-weight:600;color:var(--text-primary)}.crypto-hint{display:flex;align-items:center;gap:var(--spacing-xs);font-size:var(--font-size-sm);color:var(--text-tertiary)}.order-summary{display:flex;flex-direction:column;gap:var(--spacing-lg)}.summary-row{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md) 0}.summary-label{display:flex;align-items:center;gap:var(--spacing-sm);font-size:var(--font-size-sm);color:var(--text-secondary)}.summary-value{font-size:var(--font-size-sm);font-weight:600;color:var(--text-primary)}.text-muted{color:var(--text-tertiary);font-weight:400}.summary-divider{height:1px;background:var(--border-color);margin:var(--spacing-sm) 0}.summary-total{padding-top:var(--spacing-lg)}.summary-total .summary-label{font-size:var(--font-size-lg);color:var(--text-primary);font-weight:600}.summary-total .summary-value.price{font-size:var(--font-size-2xl);color:var(--color-primary);font-weight:700}.form-actions{margin-top:var(--spacing-2xl)}.form-footer{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);font-size:var(--font-size-sm);color:var(--text-tertiary);padding:var(--spacing-lg);background:var(--bg-secondary);border-radius:var(--radius-md);margin-top:var(--spacing-xl)}@media (max-width: 768px){.payment-form-container{padding:var(--spacing-2xl) var(--spacing-lg)}.page-title{font-size:var(--font-size-2xl)}.plans-grid{grid-template-columns:1fr}.summary-row{flex-direction:column;align-items:flex-start;gap:var(--spacing-xs)}.summary-value{align-self:flex-end}}@media (max-width: 480px){.page-title{font-size:var(--font-size-xl)}.plan-price{flex-wrap:wrap}.price-amount{font-size:var(--font-size-3xl)}}.theme-toggle{position:relative}.theme-toggle-icon{font-size:1.25em;display:flex;align-items:center;justify-content:center;transition:var(--transition-base)}.theme-toggle:hover .theme-toggle-icon{transform:rotate(20deg) scale(1.1)}.header-auth{display:flex;gap:12px}.auth-button{padding:10px 20px;border:2px solid #10b981;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;background:#fff;color:#10b981}.auth-button.login-btn{color:#10b981;border-color:#10b981}.auth-button.login-btn:hover{background:#f0fdf4}.auth-button.register-btn{background:#10b981;color:#fff;border-color:#10b981}.auth-button.register-btn:hover{background:#059669;border-color:#059669}.user-menu-container{position:relative}.user-menu-trigger{display:flex;flex-direction:column;align-items:center;gap:6px;padding:8px 12px;background:transparent;border:none;border-radius:0;cursor:pointer;transition:all .3s ease;font-size:12px;font-weight:500;color:#fff;width:auto;max-width:auto;text-align:center}.user-menu-trigger:hover{color:#fff;opacity:.8}.user-avatar{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:#ffffff4d;color:#fff;font-weight:700;font-size:16px;flex-shrink:0;transition:all .3s ease;box-shadow:none}.user-menu-trigger:hover .user-avatar{background:#fff6}.user-name{max-width:70px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:center;font-size:13px}.user-menu-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:180px;background:#fff;border-radius:12px;box-shadow:0 10px 30px #00000026;z-index:1000;overflow:hidden;animation:slideDownFadeIn .3s ease}@keyframes slideDownFadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.user-menu-item{display:flex;align-items:center;justify-content:center;padding:12px 16px;background:#fff;border:none;width:100%;cursor:pointer;text-align:center;font-size:14px;font-weight:500;color:#333;transition:all .2s ease}.user-menu-item.menu-button{padding:12px 16px}.user-menu-item.menu-button:hover{background:#f9fafb;color:#10b981}.menu-icon{font-size:16px;flex-shrink:0}.user-menu-container .user-menu-item.logout-button{padding:12px 16px;background:#fff!important;color:#333!important;border-top:1px solid #e5e7eb}.user-menu-container .user-menu-item.logout-button:hover{background:#f9fafb!important;color:#10b981!important}@media (max-width: 480px){.header-auth{flex-direction:column;width:100%}.auth-button{width:100%}.user-menu-trigger{max-width:none}.user-menu-dropdown{right:0;width:150px;border-radius:12px}}.bhc-logo-img{transition:filter .3s ease,opacity .3s ease,transform .2s ease}[data-theme=light] .bhc-logo-img{filter:brightness(.6) sepia(1) saturate(3) hue-rotate(90deg) brightness(1.1)}[data-theme=dark] .bhc-logo-img{filter:brightness(1.3) saturate(1.2) hue-rotate(160deg) contrast(1.1);opacity:.95}[data-theme=light] .sidebar-header .bhc-logo-img{filter:brightness(5) drop-shadow(0 2px 4px rgba(0,0,0,.2))}[data-theme=dark] .sidebar-header .bhc-logo-img{filter:brightness(.8) sepia(1) saturate(3) hue-rotate(90deg) brightness(1.5) drop-shadow(0 1px 3px rgba(0,0,0,.3))}[data-theme=light] .topbar .bhc-logo-img{filter:brightness(5) drop-shadow(0 2px 3px rgba(0,0,0,.15))}[data-theme=dark] .topbar .bhc-logo-img{filter:brightness(.6) sepia(1) saturate(3) hue-rotate(90deg) brightness(1.3) drop-shadow(0 1px 2px rgba(0,0,0,.2))}[data-theme=light] .bhc-logo:hover .bhc-logo-img{transform:scale(1.05);filter:brightness(.6) sepia(1) saturate(3) hue-rotate(90deg) brightness(1.2)}[data-theme=dark] .bhc-logo:hover .bhc-logo-img{transform:scale(1.05);filter:brightness(1.4) saturate(1.3) hue-rotate(160deg) contrast(1.15)}[data-theme=light] .topbar .bhc-logo:hover .bhc-logo-img,[data-theme=light] .sidebar-header .bhc-logo:hover .bhc-logo-img{filter:brightness(6) drop-shadow(0 2px 4px rgba(0,0,0,.3))}[data-theme=dark] .topbar .bhc-logo:hover .bhc-logo-img,[data-theme=dark] .sidebar-header .bhc-logo:hover .bhc-logo-img{filter:brightness(.8) sepia(1) saturate(3) hue-rotate(90deg) brightness(1.7) drop-shadow(0 2px 4px rgba(0,0,0,.4))}.topbar{background:var(--color-primary);border-bottom:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow-md);position:sticky;top:0;z-index:50}[data-theme=dark] .topbar{background:var(--bg-primary);border-bottom:1px solid var(--border-color)}.topbar-container{max-width:1400px;margin:0 auto;padding:16px 20px;display:flex;justify-content:space-between;align-items:center}.topbar-left{display:flex;align-items:center;gap:20px}.topbar-logo{display:flex;align-items:center;gap:var(--spacing-sm);color:#fff;font-size:1.5rem;font-weight:700;margin:0;letter-spacing:.5px}.topbar-right{display:flex;align-items:center;gap:16px}.nav-button{padding:8px 12px;background:transparent;border:none;border-radius:0;color:#fff;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .3s ease}.nav-button:hover{opacity:.8}@media (max-width: 768px){.topbar-container{padding:12px 16px;flex-wrap:wrap;gap:12px}.topbar-logo{font-size:1.2rem}.topbar-right{gap:8px}.admin-button{padding:6px 12px;font-size:.8rem}}.payment-process-page{min-height:100vh;background:var(--bg-page)}.process-content{max-width:700px;margin:0 auto;padding:var(--spacing-4xl) var(--spacing-2xl)}.process-card{animation:slideUp .5s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.status-icon{width:80px;height:80px;background:var(--color-warning-bg);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto var(--spacing-2xl);color:var(--color-warning);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1);box-shadow:0 0 #f59e0b66}50%{transform:scale(1.05);box-shadow:0 0 0 10px #f59e0b00}}.process-title{font-size:var(--font-size-2xl);font-weight:700;color:var(--text-primary);margin-bottom:var(--spacing-md);text-align:center}.process-desc{font-size:var(--font-size-base);color:var(--text-secondary);margin-bottom:var(--spacing-3xl);text-align:center}.qr-section{background:var(--bg-secondary);border-radius:var(--radius-lg);padding:var(--spacing-3xl);margin:var(--spacing-3xl) 0;text-align:center}.qr-title{font-size:var(--font-size-lg);font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-xl);display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm)}.qr-wrapper{background:#fff;padding:var(--spacing-xl);border-radius:var(--radius-md);display:inline-block;box-shadow:var(--shadow-md);margin-bottom:var(--spacing-lg)}.countdown{display:inline-flex;align-items:center;gap:var(--spacing-xs);color:var(--text-secondary);font-size:var(--font-size-sm)}.countdown strong{color:var(--color-warning);font-weight:700}.payment-details{background:var(--bg-secondary);border-radius:var(--radius-lg);padding:var(--spacing-2xl);margin:var(--spacing-2xl) 0;display:flex;flex-direction:column;gap:var(--spacing-lg)}.detail-row{display:flex;flex-direction:column;align-items:center;text-align:center;padding:var(--spacing-lg) 0;border-bottom:1px solid var(--border-color);gap:var(--spacing-sm)}.detail-row:last-child{border-bottom:none}.detail-label{color:var(--text-secondary);font-size:var(--font-size-sm)}.detail-value{color:var(--text-primary);font-weight:600;font-size:var(--font-size-sm)}.detail-value.price{color:var(--color-primary);font-size:var(--font-size-lg)}.address-group{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);width:100%;text-align:center}.address-value{font-family:var(--font-family-mono);font-size:.85rem;word-break:break-all;width:100%;text-align:center;padding:var(--spacing-md);background:var(--bg-primary);border-radius:var(--radius-md)}.warning-box{background:var(--color-warning-bg);border:2px solid var(--color-warning);border-radius:var(--radius-md);padding:var(--spacing-lg);margin:var(--spacing-2xl) 0;display:flex;gap:var(--spacing-md)}.warning-box svg{color:var(--color-warning);flex-shrink:0}.warning-content{color:var(--color-warning-text);font-size:var(--font-size-sm)}.warning-content strong{display:block;font-weight:700;margin-bottom:var(--spacing-xs)}.warning-content p{margin:4px 0}.action-buttons{display:flex;gap:var(--spacing-md);margin-top:var(--spacing-3xl)}.action-buttons>*{flex:1}@media (max-width: 768px){.process-content{padding:var(--spacing-3xl) var(--spacing-lg)}.action-buttons{flex-direction:column}.address-group{flex-direction:column;align-items:flex-end;max-width:100%}.address-value{max-width:200px}}.payment-success-page{min-height:100vh;background:var(--bg-page)}.success-content{max-width:700px;margin:0 auto;padding:var(--spacing-4xl) var(--spacing-2xl)}.success-card{animation:celebrate .6s ease-out}@keyframes 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var(--spacing-sm);background:var(--bg-secondary);border-radius:var(--radius-sm);display:inline-block}.order-details-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-bottom:var(--spacing-xl);padding:var(--spacing-xl);background:var(--bg-secondary);border-radius:var(--radius-md)}@media (max-width: 768px){.order-details-grid{grid-template-columns:1fr}}.detail-item{display:flex;gap:.75rem;align-items:flex-start}.detail-item>div{flex:1;min-width:0}.detail-item svg{color:var(--color-primary);margin-top:4px;flex-shrink:0}.detail-label{font-size:var(--font-size-xs);color:var(--text-secondary);margin-bottom:var(--spacing-xs);text-align:left}.detail-value{font-size:var(--font-size-base);color:var(--text-primary);font-weight:500;text-align:left;word-break:break-word}.payment-section{margin-top:var(--spacing-xl);padding:var(--spacing-xl);background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color)}.payment-header{display:flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg)}.payment-header h4{font-size:var(--font-size-lg);font-weight:600;color:var(--text-primary);margin:0}.payment-header svg{color:var(--color-primary)}.payment-content{display:flex;align-items:center;gap:var(--spacing-2xl)}.qr-code-wrapper{padding:var(--spacing-md);background:#fff;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.payment-address{flex:1}.address-label{font-size:var(--font-size-sm);color:var(--text-secondary);margin-bottom:var(--spacing-sm);font-weight:500}.address-value{font-family:var(--font-mono);font-size:var(--font-size-sm);color:var(--text-primary);background:var(--bg-primary);padding:var(--spacing-md);border-radius:var(--radius-md);border:1px solid var(--border-color);word-break:break-all;display:block}.empty-state{text-align:center;padding:var(--spacing-4xl) var(--spacing-2xl)}.empty-state 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