#app{min-height:100vh}.page-header{margin-bottom:32px}.page-header .header-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.page-header .header-top .back-btn{color:#6b7280;font-size:14px}.page-header .header-top .back-btn:hover{color:#4f46e5}.page-header .header-top .message-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;background:#f3f4f6;border-radius:20px;font-size:13px;color:#374151;text-decoration:none;transition:all .2s}.page-header .header-top .message-btn:hover{background:#e5e7eb;color:#4f46e5}.page-header .back-btn{color:#6b7280;font-size:14px;margin-bottom:16px;background:none;border:none;cursor:pointer;padding:0;transition:color .2s}.page-header .back-btn:hover{color:#4f46e5}.page-header .tool-title{display:flex;align-items:center;justify-content:flex-start;gap:16px;margin-bottom:12px}.page-header .tool-title .tool-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-size:48px}.page-header .tool-title h1{font-size:32px;font-weight:700;color:#1f2937}.page-header .tool-desc{color:#6b7280;font-size:16px;text-align:left}.quota-banner{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;background:linear-gradient(135deg,#fef3c7,#fde68a);border-radius:12px;margin-bottom:24px}.quota-banner .quota-left{display:flex;align-items:center;gap:12px}.quota-banner .quota-left .quota-icon{font-size:20px}.quota-banner .quota-left .quota-text{font-size:14px;color:#92400e}.quota-banner .quota-left .quota-text strong{font-weight:600}.quota-banner .quota-right{display:flex;align-items:center;gap:16px}.quota-banner .quota-right .quota-info{font-size:14px;color:#92400e}.quota-banner .quota-right .upgrade-link{font-size:14px;font-weight:500;color:#4f46e5;text-decoration:none;transition:color .2s}.quota-banner .quota-right .upgrade-link:hover{color:#4338ca}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.5;color:#1f2937;background-color:#f9fafb}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;background:none;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 20px}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.grid{display:grid}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:8px;font-weight:500;transition:all .2s}.btn-primary{background-color:#4f46e5;color:#fff}.btn-primary:hover{background-color:#4338ca}.btn-secondary{background-color:#10b981;color:#fff}.btn-secondary:hover{background-color:#0c8a60}.btn-outline{border:1px solid #e5e7eb;background-color:transparent;color:#1f2937}.btn-outline:hover{background-color:#f9fafb}.btn-danger{background-color:#ef4444;color:#fff}.btn-danger:hover{background-color:#eb1515}.btn-sm{padding:6px 12px;font-size:12px}.btn-lg{padding:12px 24px;font-size:16px}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background-color:#fff;border-radius:12px;box-shadow:0 1px 2px #0000000d;overflow:hidden;transition:box-shadow .2s,transform .2s}.card:hover{box-shadow:0 4px 6px -1px #0000001a;transform:translateY(-2px)}.card-header{padding:16px 20px;border-bottom:1px solid #e5e7eb}.card-body{padding:20px}.card-footer{padding:16px 20px;border-top:1px solid #e5e7eb}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-weight:500;color:#1f2937}.form-input,.form-textarea{width:100%;padding:10px 14px;border:1px solid #e5e7eb;border-radius:8px;font-size:14px;transition:border-color .2s,box-shadow .2s}.form-input:focus,.form-textarea:focus{outline:none;border-color:#4f46e5;box-shadow:0 0 0 3px #4f46e51a}.form-input::placeholder,.form-textarea::placeholder{color:#6b7280}.form-textarea{resize:vertical;min-height:100px}.badge{display:inline-flex;align-items:center;padding:4px 8px;border-radius:4px;font-size:12px;font-weight:500}.badge-primary{background-color:#4f46e51a;color:#4f46e5}.badge-success{background-color:#10b9811a;color:#10b981}.badge-warning{background-color:#f59e0b1a;color:#f59e0b}.badge-danger{background-color:#ef44441a;color:#ef4444}@media (max-width: 768px){.container{padding:0 15px}.hide-mobile{display:none!important}}@media (min-width: 769px){.hide-desktop{display:none!important}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease-out}.slide-up{animation:slideUp .3s ease-out}.spinner{width:40px;height:40px;border:3px solid #e5e7eb;border-top-color:#4f46e5;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}