@import "https://fonts.googleapis.com/css2?family=Pretendard:wght@400;500;600;700;800&display=swap";:root{--bg-color:#0f172a;--surface-color:#1e293bb3;--surface-border:#ffffff1a;--text-primary:#f8fafc;--text-secondary:#94a3b8;--accent-color:#3b82f6;--accent-hover:#2563eb;--success:#10b981;--danger:#ef4444;--warning:#f59e0b}*{box-sizing:border-box;margin:0;padding:0}select option{color:#f8fafc;background-color:#1e293b}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;background-image:radial-gradient(at 0 0,#100f15 0,#0000 50%),radial-gradient(at 50% 0,#2f3e6a33 0,#0000 50%),radial-gradient(at 100% 0,#72274133 0,#0000 50%);background-attachment:fixed;min-height:100vh;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}.glass-panel{background:var(--surface-color);-webkit-backdrop-filter:blur(12px);border:1px solid var(--surface-border);border-radius:16px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.glass-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff08;border:1px solid #ffffff0d;border-radius:12px;padding:20px;transition:transform .2s,box-shadow .2s,background .2s}.glass-card:hover{background:#ffffff0d;transform:translateY(-2px);box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}h1,h2,h3,h4,h5,h6{color:var(--text-primary);letter-spacing:-.02em;margin-bottom:.5rem;font-weight:700}p{color:var(--text-secondary);margin-bottom:1rem}.btn{cursor:pointer;border:none;border-radius:8px;outline:none;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:.95rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--accent-color);color:#fff;box-shadow:0 4px 14px #3b82f663}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#059669}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.app-container{height:100vh;display:flex;overflow:hidden}.main-content{flex-direction:column;flex:1;padding:2rem;display:flex;overflow-y:auto}@media (width<=768px){.app-container{flex-direction:column}.main-content{padding:1rem 1rem 5rem}}