@import "https://fonts.googleapis.com/css2?family=Pretendard:wght@300;400;500;600;700&display=swap";:root{--primary:#4f46e5;--primary-hover:#4338ca;--bg-color:#f9fafb;--card-bg:#fff;--text-main:#111827;--text-muted:#6b7280;--border-color:#e5e7eb;--danger:#ef4444;--radius:12px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none;transition:color .2s}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.container{max-width:800px;margin:0 auto;padding:0 20px}.btn{border-radius:8px;justify-content:center;align-items:center;padding:.5rem 1rem;font-size:.95rem;font-weight:500;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-outline{border:1px solid var(--border-color);background:var(--card-bg);color:var(--text-main)}.btn-outline:hover{background:var(--bg-color)}.btn-danger{background-color:var(--danger);color:#fff}.title-large{color:var(--text-main);margin-bottom:1rem;font-size:2rem;font-weight:700}.title-medium{margin-bottom:1rem;font-size:1.5rem;font-weight:600}.input-field{border:1px solid var(--border-color);background:var(--card-bg);border-radius:8px;outline:none;width:100%;padding:.75rem 1rem;font-size:1rem}.input-field:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.card{background-color:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);margin-bottom:1.5rem;padding:1.5rem}a .card:hover,button .card:hover,.card.hoverable:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.header{background-color:var(--card-bg);border-bottom:1px solid var(--border-color);z-index:10;position:sticky;top:0}.header-content{justify-content:space-between;align-items:center;height:64px;display:flex}.logo{color:var(--text-main);letter-spacing:-.5px;font-size:1.25rem;font-weight:700}.header-nav{align-items:center;gap:1.5rem;font-size:.95rem;font-weight:500;display:flex}.header-nav a:hover{color:var(--primary)}.form-group{margin-bottom:1.25rem}.form-group label{color:var(--text-main);margin-bottom:.5rem;font-size:.95rem;font-weight:600;display:block}