:root{--primary-color: #3498db;--secondary-color: #2ecc71;--background-color: #f5f6fa;--text-color: #2c3e50;--header-height: 80px}body{margin:0;padding:0;font-family:Pretendard,-apple-system,BlinkMacSystemFont,system-ui,Roboto,sans-serif;background-color:var(--background-color);color:var(--text-color)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{height:var(--header-height);background-color:#fff;box-shadow:0 2px 4px #0000001a;margin-bottom:30px}.logo-container{height:100%;display:flex;align-items:center;gap:20px}.logo{height:40px;width:auto}h1{margin:20px;font-size:24px;font-weight:600}.main-content{background-color:#fff;border-radius:12px;padding:30px;box-shadow:0 2px 4px #0000001a}.button-container{display:flex;gap:12px;justify-content:center}.btn{padding:12px 24px;border:none;border-radius:8px;font-size:16px;font-weight:500;cursor:pointer;transition:all .2s ease}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:#2980b9}.btn-secondary{background-color:var(--secondary-color);color:#fff}.btn-secondary:hover{background-color:#27ae60}.log-layer{border-radius:12px!important;border:1px solid rgba(255,255,255,.1)!important}.log-header{background:var(--primary-color)!important}.callback-container{margin-bottom:20px}.callback-input{width:100%;padding:12px;border:1px solid #ddd;border-radius:8px;font-size:14px;margin-bottom:8px}.callback-input:focus{outline:none;border-color:var(--primary-color)}.callback-help{font-size:12px;color:#666}.callback-error{color:#f55;font-size:12px;margin-top:4px;display:none}.callback-input.error{border-color:#f55}.align-left{text-align:left}.block-left{margin-right:auto;margin-left:0}.flex-left{display:flex;justify-content:flex-start}.float-left{float:left}.grid-left{justify-self:start}.move-left{position:relative;left:0;right:auto}