:root{--bg:#f6f7fb;--surface:#fff;--text:#1f2330;--muted:#6b7183;--border:#e3e6ee;--primary:#4f46e5;--primary-hover:#4338ca;--primary-soft:#eef0ff;--success:#15803d;--success-soft:#e8f6ee;--warning:#b45309;--warning-soft:#fdf3e3;--danger:#c2410c;--danger-soft:#fdeee8;--radius:12px;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Pretendard,Malgun Gothic,Segoe UI,sans-serif;line-height:1.55}*{box-sizing:border-box}body{margin:0}h1,h2,h3,h4{margin:0 0 8px;line-height:1.3}h1{font-size:1.6rem}h2{font-size:1.2rem}h3{font-size:1.05rem}h4{color:var(--muted);margin-top:20px;font-size:.9rem}p{margin:0 0 6px}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:960px;margin:0 auto;padding:0 16px}.header{background:var(--surface);border-bottom:1px solid var(--border);z-index:10;position:sticky;top:0}.header-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;min-height:60px;display:flex}.logo{color:var(--text);align-items:center;gap:8px;font-size:1.25rem;font-weight:800;display:flex}.logo:hover{text-decoration:none}.logo-mark{background:var(--primary);color:#fff;border-radius:8px;place-items:center;width:30px;height:30px;font-size:1rem;display:inline-grid}.nav{flex-wrap:wrap;align-items:center;gap:16px;display:flex}.nav>a:not(.btn){color:var(--muted);font-weight:500}.nav>a.active{color:var(--text);font-weight:700}.nav-user{color:var(--muted);font-size:.9rem}.main{min-height:calc(100vh - 140px);padding-top:28px;padding-bottom:48px}.footer{color:var(--muted);padding-bottom:32px;font-size:.85rem}.btn{border:1px solid var(--border);background:var(--surface);color:var(--text);font:inherit;cursor:pointer;white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:9px 16px;font-size:.95rem;font-weight:600;display:inline-flex}.btn:hover{border-color:#c9cede;text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover:not(:disabled){background:var(--primary-hover)}.btn.danger-outline{color:var(--danger);border-color:#f3c9b8}.btn.small{padding:6px 12px;font-size:.85rem}.btn.block{width:100%}.actions{flex-wrap:wrap;gap:8px;display:flex}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px}.stack{gap:12px;display:grid}.grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;display:grid}.title-row{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.section-title{margin:32px 0 12px}.back{color:var(--muted);margin-bottom:12px;font-size:.9rem;display:inline-block}.muted{color:var(--muted)}.small{font-size:.85rem}.center{text-align:center}.right{text-align:right}.empty{background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);text-align:center;color:var(--muted);padding:32px 20px}.empty .btn{margin-top:10px}.hero{background:linear-gradient(135deg,#eef0ff,#f7f3ff);border:1px solid #e0e3fb;border-radius:16px;padding:36px 28px}.hero h1{color:var(--primary);font-size:2rem}.hero p{max-width:560px;margin-bottom:18px;font-size:1.05rem}.program-card{color:var(--text);flex-direction:column;gap:8px;transition:border-color .15s;display:flex}.program-card:hover{border-color:var(--primary);text-decoration:none}.clamp{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.meta{flex-wrap:wrap;gap:4px 18px;margin:4px 0 0;font-size:.88rem;display:flex}.meta div{gap:6px;display:flex}.meta dt{color:var(--muted)}.meta dd{margin:0;font-weight:600}.description{white-space:pre-wrap;margin-top:16px}.session-card{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.session-main{flex:320px}.session-main .title-row{justify-content:flex-start;align-items:center;gap:10px}.session-main a h3{color:var(--text)}.session-action{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.tag,.badge{white-space:nowrap;border-radius:999px;padding:3px 10px;font-size:.8rem;font-weight:700;display:inline-block}.tag-open,.badge-confirmed{background:var(--success-soft);color:var(--success)}.tag-waitlist,.badge-waitlisted{background:var(--warning-soft);color:var(--warning)}.badge-offer{background:var(--primary-soft);color:var(--primary)}.tag-closed,.badge-cancelled{color:var(--muted);background:#eef0f4}.stats{grid-template-columns:repeat(5,1fr);gap:8px;margin:14px 0 4px;display:grid}.stat{background:var(--bg);border-radius:8px;padding:10px 12px}.stat span{color:var(--muted);font-size:.8rem;display:block}.stat strong{font-size:1.25rem}details{margin-top:16px}summary{cursor:pointer;color:var(--muted);font-size:.9rem;font-weight:600}.table-wrap{overflow-x:auto}table{border-collapse:collapse;background:var(--surface);width:100%;font-size:.9rem}th,td{text-align:left;border-bottom:1px solid var(--border);white-space:nowrap;padding:9px 10px}th{color:var(--muted);font-size:.82rem;font-weight:600}.auth-card{max-width:440px;margin:24px auto;padding:32px}.form-card{max-width:720px;margin-top:28px}.form{gap:14px;margin-top:18px;display:grid}.form label{gap:6px;font-size:.9rem;font-weight:600;display:grid}.form small{font-weight:400}.form-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;display:grid}input,textarea{border:1px solid var(--border);width:100%;font:inherit;background:var(--surface);color:var(--text);border-radius:8px;padding:10px 12px;font-weight:400}input:focus,textarea:focus{outline:2px solid var(--primary-soft);border-color:var(--primary)}textarea{resize:vertical}.role-picker{border:none;grid-template-columns:1fr 1fr;gap:10px;margin:0;padding:0;display:grid}.role-picker legend{margin-bottom:6px;font-size:.9rem;font-weight:600}.role-picker label{border:1px solid var(--border);cursor:pointer;border-radius:10px;gap:2px;padding:12px;display:grid}.role-picker label.selected{border-color:var(--primary);background:var(--primary-soft)}.role-picker input{opacity:0;width:1px;height:1px;position:absolute}.role-picker label:focus-within{outline:2px solid var(--primary)}.role-picker span{color:var(--muted);font-size:.8rem;font-weight:400}.notice{border-radius:8px;margin:0 0 12px;padding:10px 14px;font-size:.9rem}.notice-error{background:var(--danger-soft);color:var(--danger)}.notice-success{background:var(--success-soft);color:var(--success)}.offer-box{background:var(--primary-soft);flex-wrap:wrap;flex-basis:100%;justify-content:space-between;align-items:center;gap:12px;margin:0;display:flex}.offer-box p{margin:0}@media (width<=600px){.stats{grid-template-columns:repeat(2,1fr)}.card{padding:16px}.nav-user{display:none}}