:root{color-scheme:light;--bg: #eef2f6;--paper: #ffffff;--ink: #172033;--muted: #5d6b7c;--line: #e1e7ef;--accent: #1f5eff;--shadow: 0 18px 50px rgba(23, 32, 51, .16);font-family:Pretendard,Apple SD Gothic Neo,Noto Sans KR,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit;color:inherit}button{cursor:pointer}h1,h2,h3,p{margin:0}ul,ol{margin:0;padding:0;list-style:none}.app{min-height:100vh}.boot{padding:48px;color:var(--muted)}.topbar{position:sticky;top:0;z-index:5}.rail{display:flex;align-items:center;gap:18px;height:60px;padding:0 24px;background:#16325f;color:#f4f7ff;border-bottom:1px solid #0e2344}.brand{display:flex;align-items:center;flex:none}.brand-name{font-size:20px;font-weight:700;letter-spacing:-.04em;white-space:nowrap;color:#fff}.rail-now{display:flex;justify-content:flex-end;flex:1;min-width:0}.rail-now 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46%,#064890)}.login-field:before,.login-field:after{content:"";position:absolute;border-radius:50%}.login-field:before{width:640px;height:640px;right:-180px;top:-210px;opacity:.55;background:radial-gradient(circle at 50% 58%,transparent 0 138px,rgba(252,252,252,.92) 139px 168px,transparent 169px),radial-gradient(circle at 50% 58%,#0066a8 0 210px,transparent 211px)}.login-field:after{width:780px;height:780px;left:-280px;bottom:-320px;border:1px solid rgba(252,252,252,.35);box-shadow:inset 0 0 0 90px #0060a273}.login-screen:after{content:"";position:absolute;left:0;right:0;bottom:0;height:10px;background:#363630}.login-body{position:relative;z-index:1;flex:1;display:grid;place-items:center;padding:36px 20px 48px}.login-stack{width:min(520px,100%);display:flex;flex-direction:column;gap:14px}.login-mark{display:flex;justify-content:center}.login-mark img{height:46px;width:auto}.login-clock{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border:1px solid #d5e2f6;border-radius:16px;background:#fff}.login-clock span{color:#16325f;font-size:18px;font-weight:650}.login-clock b{padding:4px 10px;border-radius:10px;background:#16325f;color:#ffe08a;font-size:18px}.login-card{display:flex;flex-direction:column;gap:10px;padding:28px;background:#fff;border-radius:18px;box-shadow:0 24px 50px #06102847}.login-title{display:block}.login-card h1{color:#16325f;font-size:28px;letter-spacing:-.04em;line-height:1.25;text-align:center}.login-mission{margin:8px 0 4px;padding:14px;border:1px solid #d5e2f6;border-radius:16px;background:linear-gradient(180deg,#f7faff,#fff 72%)}.login-mission p{color:#24324d;font-size:14px;line-height:1.7}.login-mission b{font-weight:750}.login-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}@media(max-width:900px){.rail{height:auto;flex-wrap:wrap;padding:10px 14px}.main{padding:18px 14px 40px}.room-rank,.room-board-grid,.form-grid,.chart-layout{grid-template-columns:1fr}.room-slot{border-right:0;border-bottom:1px solid var(--line)}.login-card h1{font-size:24px}}