@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--color-primary: #3B82F6;--color-primary-hover: #2563EB;--color-primary-light: rgba(59, 130, 246, .08);--color-primary-border: rgba(59, 130, 246, .2);--color-success: #22C55E;--color-success-light: rgba(34, 197, 94, .1);--color-danger: #EF4444;--color-danger-light: rgba(239, 68, 68, .08);--color-warning: #F59E0B;--color-warning-light: rgba(245, 158, 11, .1);--bg-page: #FFFFFF;--bg-secondary: #F9FAFB;--bg-card: #FFFFFF;--text-primary: #111827;--text-secondary: #6B7280;--text-tertiary: #9CA3AF;--text-inverse: #FFFFFF;--border-light: #E5E7EB;--border-medium: #D1D5DB;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -1px rgba(0, 0, 0, .04);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5;font-weight:400;color-scheme:light;color:var(--text-primary);background-color:var(--bg-page);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh;background:var(--bg-page)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;font-size:14px;font-weight:500;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all .15s ease;display:inline-flex;align-items:center;justify-content:center;gap:6px}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{font-family:inherit;font-size:14px;border:1px solid var(--border-light);border-radius:var(--radius-md);padding:10px 12px;background:var(--bg-card);color:var(--text-primary);transition:border-color .15s ease,box-shadow .15s ease;width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}input::placeholder,textarea::placeholder{color:var(--text-tertiary)}select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239CA3AF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:36px}.app{min-height:100vh;display:flex;flex-direction:column}.header{position:sticky;top:0;z-index:100;background:var(--bg-card);border-bottom:1px solid var(--border-light);padding:12px 16px;display:flex;align-items:center;justify-content:space-between}.header-logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px;color:var(--text-primary)}.header-logo-icon{width:28px;height:28px;background:var(--color-primary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px}.header-user{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary);background:var(--bg-secondary);padding:6px 10px;border-radius:var(--radius-full)}.header-user-id{font-weight:600;color:var(--text-primary)}.tabs{display:flex;background:var(--bg-card);border-bottom:1px solid var(--border-light);padding:0 16px;overflow-x:auto;-webkit-overflow-scrolling:touch}.tabs::-webkit-scrollbar{display:none}.tab{flex:1;padding:12px 16px;font-size:14px;font-weight:500;color:var(--text-secondary);background:transparent;border:none;border-bottom:2px solid transparent;cursor:pointer;transition:all .15s ease;white-space:nowrap;min-width:fit-content}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.tab-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;font-size:11px;font-weight:600;background:var(--color-primary);color:#fff;border-radius:var(--radius-full);margin-left:6px}.main{flex:1;padding:16px 16px 80px}.status-bar{padding:10px 16px;background:var(--bg-secondary);border-bottom:1px solid var(--border-light);font-size:13px;color:var(--text-secondary);text-align:center}.status-bar.loading:before{content:"";display:inline-block;width:12px;height:12px;border:2px solid var(--border-light);border-top-color:var(--color-primary);border-radius:50%;margin-right:8px;animation:spin .6s linear infinite;vertical-align:middle}@keyframes spin{to{transform:rotate(360deg)}}.error-banner{margin:16px;padding:12px 16px;background:var(--color-danger-light);border:1px solid 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-1}.filter-label{font-size:12px;font-weight:500;color:var(--text-secondary)}.filters-actions{margin-top:16px;display:flex;gap:8px}.btn{padding:10px 16px;border-radius:var(--radius-md);font-weight:500}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-light)}.btn-secondary:hover:not(:disabled){background:var(--border-light)}.btn-success{background:var(--color-success);color:#fff}.btn-success:hover:not(:disabled){background:#16a34a}.btn-danger{background:var(--color-danger-light);color:var(--color-danger)}.btn-danger:hover:not(:disabled){background:var(--color-danger);color:#fff}.btn-block{width:100%}.btn-sm{padding:8px 12px;font-size:13px}.channels-list{display:flex;flex-direction:column;gap:12px}.channel-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:14px;display:flex;flex-direction:column;gap:10px;transition:border-color .15s ease,box-shadow .15s ease}.channel-card:hover{border-color:var(--color-primary-border);box-shadow:var(--shadow-md)}.channel-header{display:flex;align-items:flex-start;gap:12px}.channel-avatar{width:44px;height:44px;background:var(--color-primary-light);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.channel-info{flex:1;min-width:0}.channel-title{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.channel-username{font-size:13px;color:var(--color-primary)}.channel-price{font-size:16px;font-weight:700;color:var(--color-success);white-space:nowrap}.channel-stats{display:flex;flex-wrap:wrap;gap:8px}.channel-stat{font-size:12px;color:var(--text-secondary);background:var(--bg-secondary);padding:4px 8px;border-radius:var(--radius-sm);display:flex;align-items:center;gap:4px}.channel-stat-icon{font-size:11px}.channel-topic{background:var(--color-primary-light);color:var(--color-primary);font-weight:500}.channel-actions{padding-top:10px;border-top:1px solid var(--border-light)}.empty-state{text-align:center;padding:40px 20px;color:var(--text-secondary)}.empty-icon{font-size:40px;margin-bottom:12px;opacity:.5}.empty-text{font-size:14px}.cart-section{padding-bottom:100px}.order-form{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:16px;margin-bottom:16px}.form-title{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:12px;display:flex;align-items:center;gap:6px}.form-fields{display:flex;flex-direction:column;gap:12px}.form-field{display:flex;flex-direction:column;gap:4px}.form-field label{font-size:12px;font-weight:500;color:var(--text-secondary)}.form-field textarea{min-height:80px;resize:vertical}.cart-items{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.cart-item{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:14px}.cart-item-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}.cart-item-channel{font-weight:600;color:var(--text-primary)}.cart-item-username{font-size:13px;color:var(--color-primary)}.cart-item-price{font-weight:600;color:var(--color-success)}.cart-item-details{font-size:13px;color:var(--text-secondary)}.cart-item-text{margin-bottom:4px;color:var(--text-primary)}.cart-item-date{display:flex;align-items:center;gap:4px}.cart-item-actions{display:flex;justify-content:flex-end;margin-top:8px}.cart-footer{position:fixed;bottom:0;left:0;right:0;background:var(--bg-card);border-top:1px solid var(--border-light);padding:12px 16px;padding-bottom:calc(12px + env(safe-area-inset-bottom,0px));z-index:100}.cart-footer-content{max-width:600px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px}.cart-total{display:flex;flex-direction:column}.cart-total-label{font-size:12px;color:var(--text-secondary)}.cart-total-amount{font-size:18px;font-weight:700;color:var(--text-primary)}.cart-footer .btn{flex-shrink:0}.payment-info{background:var(--color-primary-light);border:1px solid var(--color-primary-border);border-radius:var(--radius-md);padding:12px;margin-top:12px;font-size:13px}.payment-info p{margin-bottom:6px;color:var(--text-secondary)}.payment-info p:last-child{margin-bottom:0}.payment-info strong{color:var(--color-primary)}.orders-section{display:flex;flex-direction:column;gap:16px}.orders-refresh{margin-bottom:8px}.order-group{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden}.order-group-header{background:var(--bg-secondary);padding:12px 14px;border-bottom:1px solid var(--border-light)}.order-group-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12px}.order-meta-item{display:flex;flex-direction:column;gap:2px}.order-meta-label{color:var(--text-tertiary);font-size:10px;text-transform:uppercase;letter-spacing:.5px}.order-meta-value{color:var(--text-primary);font-weight:500}.order-meta-value.status-paid{color:var(--color-success)}.order-meta-value.status-pending{color:var(--color-warning)}.order-group-items{padding:12px;display:flex;flex-direction:column;gap:12px}.order-item{background:var(--bg-secondary);border-radius:var(--radius-md);padding:12px}.order-item-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}.order-item-channel{font-weight:600;color:var(--text-primary)}.order-item-username{font-size:13px;color:var(--color-primary)}.order-item-price{font-weight:600;color:var(--color-success)}.order-item-text{font-size:13px;color:var(--text-primary);margin-bottom:8px;padding:8px;background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border-light)}.order-item-details{font-size:12px;color:var(--text-secondary);display:flex;flex-direction:column;gap:4px;margin-bottom:12px}.order-item-detail{display:flex;align-items:center;gap:6px}.order-item-detail-icon{width:14px;text-align:center}.status-badge{display:inline-flex;align-items:center;padding:3px 8px;border-radius:var(--radius-full);font-size:11px;font-weight:600}.status-badge.success{background:var(--color-success-light);color:var(--color-success)}.status-badge.pending{background:var(--color-warning-light);color:var(--color-warning)}.status-badge.error{background:var(--color-danger-light);color:var(--color-danger)}.order-item-actions{display:flex;gap:8px;padding-top:12px;border-top:1px solid var(--border-light)}.order-item-actions .btn{flex:1}.mychannel-section{display:flex;flex-direction:column;gap:16px}.mychannel-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:16px}.mychannel-card .channel-header{margin-bottom:12px}.mychannel-card .channel-stats{padding-top:12px;border-top:1px solid var(--border-light)}.form-hint{font-size:12px;color:var(--text-tertiary);padding:8px 12px;background:var(--bg-secondary);border-radius:var(--radius-sm);margin-bottom:4px}.price-hint{margin-top:8px;padding:10px 12px;background:linear-gradient(135deg,#22c55e1a,#3b82f61a);border:1px solid rgba(34,197,94,.2);border-radius:var(--radius-md);font-size:13px;color:var(--text-primary)}.price-hint strong{color:var(--color-success);font-weight:600}.price-hint-details{display:block;font-size:11px;color:var(--text-secondary);margin-top:4px}.price-hint-warning{background:var(--color-warning-light);border-color:#f59e0b4d;color:var(--text-secondary)}.campaigns-section{display:flex;flex-direction:column;gap:16px}.campaigns-switcher{display:flex;background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:4px;gap:4px}.switcher-btn{flex:1;padding:10px 12px;font-size:13px;font-weight:500;color:var(--text-secondary);background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all .15s ease;white-space:nowrap}.switcher-btn:hover{background:var(--bg-secondary);color:var(--text-primary)}.switcher-btn.active{background:var(--color-primary);color:#fff}.section-header{margin-bottom:16px}.section-header h2{font-size:18px;font-weight:600;color:var(--text-primary);margin:0 0 4px}.section-header p{font-size:13px;color:var(--text-secondary);margin:0}.campaigns-list{display:flex;flex-direction:column;gap:12px}.campaign-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:16px;transition:border-color .15s ease,box-shadow .15s ease}.campaign-card:hover{border-color:var(--color-primary-border);box-shadow:var(--shadow-md)}.campaign-card.selected{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.campaign-card.my-campaign{border-left:3px solid var(--color-primary)}.campaign-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.campaign-budget{display:flex;flex-direction:column}.budget-label{font-size:11px;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px}.budget-value{font-size:20px;font-weight:700;color:var(--color-success)}.campaign-price-tag{background:var(--color-primary-light);color:var(--color-primary);padding:6px 10px;border-radius:var(--radius-full);font-size:12px;font-weight:500}.campaign-text{font-size:14px;color:var(--text-primary);line-height:1.5;margin-bottom:8px;padding:12px;background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-light);white-space:pre-wrap;word-break:break-word}.campaign-text.clamped{display:-webkit-box;-webkit-line-clamp:7;-webkit-box-orient:vertical;overflow:hidden}.campaign-text-wrapper{margin-bottom:12px}.campaign-text-toggle{width:fit-content;padding:6px 10px;font-size:12px}.campaign-progress{margin-bottom:12px}.progress-bar{height:8px;background:var(--bg-secondary);border-radius:var(--radius-full);overflow:hidden;margin-bottom:6px}.progress-fill{height:100%;background:linear-gradient(90deg,var(--color-primary) 0%,var(--color-success) 100%);border-radius:var(--radius-full);transition:width .3s ease}.progress-labels{display:flex;justify-content:space-between;font-size:11px;color:var(--text-secondary)}.campaign-meta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:12px}.campaign-meta-item{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--text-secondary)}.meta-icon{font-size:14px}.campaign-actions{display:flex;gap:8px;padding-top:12px;border-top:1px solid var(--border-light)}.campaign-actions .btn{flex:1}.applications-list{display:flex;flex-direction:column;gap:12px}.application-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:14px}.application-card.my-application{border-left:3px solid var(--color-success)}.application-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.application-channel{display:flex;align-items:center;gap:12px;margin-bottom:10px}.application-channel .channel-info{flex:1}.application-price{font-size:16px;font-weight:700;color:var(--color-success)}.application-stats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.app-stat{font-size:12px;color:var(--text-secondary);background:var(--bg-secondary);padding:4px 8px;border-radius:var(--radius-sm)}.application-actions{display:flex;gap:8px;padding-top:12px;border-top:1px solid var(--border-light)}.application-actions .btn{flex:1}.application-campaign-text{font-size:13px;color:var(--text-primary);margin-bottom:8px;padding:8px;background:var(--bg-secondary);border-radius:var(--radius-sm);white-space:pre-wrap;word-break:break-word}.application-campaign-text.clamped{display:-webkit-box;-webkit-line-clamp:7;-webkit-box-orient:vertical;overflow:hidden}.application-meta{font-size:11px;color:var(--text-secondary)}.campaign-summary{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:12px;margin-top:8px}.summary-row{display:flex;justify-content:space-between;font-size:13px;color:var(--text-secondary);padding:6px 0}.summary-row.total{border-top:1px solid var(--border-light);margin-top:6px;padding-top:12px;font-weight:600;color:var(--text-primary);font-size:15px}.back-btn{margin-bottom:16px}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:200;padding:16px}.modal-content{background:var(--bg-card);border-radius:var(--radius-lg);width:100%;max-width:400px;max-height:90vh;overflow-y:auto;padding:20px}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal-header h3{font-size:16px;font-weight:600;margin:0}.modal-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border:none;border-radius:var(--radius-sm);cursor:pointer;color:var(--text-secondary);font-size:16px}.modal-close:hover{background:var(--border-light);color:var(--text-primary)}.campaign-details{display:flex;flex-direction:column;gap:16px}@media(min-width:640px){.main{max-width:600px;margin:0 auto;padding:24px 16px 100px}.header{padding:12px 24px}.tabs{padding:0 24px;justify-content:center;gap:8px}.tab{flex:none;padding:12px 24px}.channel-card{flex-direction:row;align-items:center;padding:16px}.channel-header{flex:1}.channel-stats{flex:none}.channel-actions{border-top:none;border-left:1px solid var(--border-light);padding-top:0;padding-left:16px;margin-left:16px}.filters-grid{grid-template-columns:repeat(4,1fr)}.cart-footer-content{max-width:600px}}