@import "https://fonts.googleapis.com/css2?family=Pretendard:wght@400;500;600;700&family=Noto+Sans+KR:wght@400;500;700&display=swap";
:root{--color-primary:#6366f1;--color-primary-hover:#4f46e5;--color-primary-light:#a5b4fc;--color-primary-dark:#3730a3;--color-secondary:#14b8a6;--color-secondary-hover:#0d9488;--color-accent:#f59e0b;--color-accent-hover:#d97706;--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444;--color-info:#3b82f6;--color-background:#f8fafc;--color-surface:#fff;--color-surface-elevated:#fff;--color-text-primary:#0f172a;--color-text-secondary:#475569;--color-text-muted:#94a3b8;--color-text-inverse:#fff;--color-border:#e2e8f0;--color-border-light:#f1f5f9;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a,0 8px 10px -6px #0000001a;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--radius-full:9999px;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--font-sans:"Pretendard","Noto Sans KR",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-mono:"JetBrains Mono","Fira Code",Consolas,monospace;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--leading-tight:1.25;--leading-normal:1.5;--leading-relaxed:1.75;--transition-fast:.15s ease;--transition-normal:.2s ease;--transition-slow:.3s ease;--z-dropdown:100;--z-sticky:200;--z-modal:300;--z-popover:400;--z-tooltip:500}.dark{--color-primary:#818cf8;--color-primary-hover:#a5b4fc;--color-primary-light:#4f46e5;--color-primary-dark:#c7d2fe;--color-background:#0f172a;--color-surface:#1e293b;--color-surface-elevated:#334155;--color-text-primary:#f1f5f9;--color-text-secondary:#94a3b8;--color-text-muted:#64748b;--color-text-inverse:#0f172a;--color-border:#334155;--color-border-light:#1e293b;--shadow-sm:0 1px 2px 0 #0000004d;--shadow-md:0 4px 6px -1px #0006,0 2px 4px -2px #0000004d;--shadow-lg:0 10px 15px -3px #0006,0 4px 6px -4px #0000004d}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);color:var(--color-text-primary);background-color:var(--color-background);min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:var(--leading-tight);color:var(--color-text-primary)}h1{font-size:var(--text-4xl)}h2{font-size:var(--text-3xl)}h3{font-size:var(--text-2xl)}h4{font-size:var(--text-xl)}h5{font-size:var(--text-lg)}h6{font-size:var(--text-base)}p{color:var(--color-text-secondary);line-height:var(--leading-relaxed)}a{color:var(--color-primary);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--color-primary-hover)}.btn{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-3)var(--space-5);font-family:var(--font-sans);font-size:var(--text-sm);text-align:center;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-normal);white-space:nowrap;border:none;font-weight:600;line-height:1;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{color:var(--color-text-inverse);background:linear-gradient(135deg,var(--color-primary)0%,var(--color-primary-dark)100%);box-shadow:var(--shadow-md),0 4px 20px -4px var(--color-primary)}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow-lg),0 8px 30px -4px var(--color-primary);transform:translateY(-2px)}.btn-secondary{color:var(--color-text-primary);background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm)}.btn-secondary:hover:not(:disabled){background:var(--color-background);border-color:var(--color-primary)}.btn-ghost{color:var(--color-text-secondary);background:0 0}.btn-ghost:hover:not(:disabled){color:var(--color-text-primary);background:var(--color-border-light)}.btn-danger{color:var(--color-text-inverse);background:linear-gradient(135deg,var(--color-error)0%,#dc2626 100%);box-shadow:var(--shadow-md)}.btn-danger:hover:not(:disabled){box-shadow:var(--shadow-lg);transform:translateY(-2px)}.btn-lg{padding:var(--space-4)var(--space-8);font-size:var(--text-base);border-radius:var(--radius-xl)}.btn-sm{padding:var(--space-2)var(--space-3);font-size:var(--text-xs)}.input{width:100%;padding:var(--space-3)var(--space-4);font-family:var(--font-sans);font-size:var(--text-base);color:var(--color-text-primary);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition-fast)}.input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light);outline:none}.input::placeholder{color:var(--color-text-muted)}.input:disabled{opacity:.5;cursor:not-allowed;background:var(--color-border-light)}.input-error{border-color:var(--color-error)}.input-error:focus{box-shadow:0 0 0 3px #ef444433}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6);box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.card:hover{box-shadow:var(--shadow-md)}.card-elevated{background:var(--color-surface-elevated);box-shadow:var(--shadow-lg)}.card-interactive:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}.badge{align-items:center;gap:var(--space-1);padding:var(--space-1)var(--space-3);font-size:var(--text-xs);border-radius:var(--radius-full);font-weight:600;display:inline-flex}.badge-primary{color:var(--color-primary-dark);background:var(--color-primary-light)}.badge-success{color:#065f46;background:#d1fae5}.badge-warning{color:#92400e;background:#fef3c7}.badge-error{color:#991b1b;background:#fee2e2}.badge-info{color:#1e40af;background:#dbeafe}.container{width:100%;max-width:1280px;padding:0 var(--space-6);margin:0 auto}.page{min-height:100vh;padding:var(--space-8)0}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.gap-6{gap:var(--space-6)}.gap-8{gap:var(--space-8)}.grid{gap:var(--space-6);display:grid}.grid-cols-1{grid-template-columns:repeat(1,1fr)}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}@media (max-width:1024px){.lg\:grid-cols-3{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.md\:grid-cols-2{grid-template-columns:repeat(1,1fr)}}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.text-sm{font-size:var(--text-sm)}.text-xs{font-size:var(--text-xs)}.text-lg{font-size:var(--text-lg)}.text-xl{font-size:var(--text-xl)}.text-2xl{font-size:var(--text-2xl)}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.text-primary{color:var(--color-primary)}.text-secondary{color:var(--color-text-secondary)}.text-muted{color:var(--color-text-muted)}.text-success{color:var(--color-success)}.text-error{color:var(--color-error)}.text-warning{color:var(--color-warning)}.bg-primary{background-color:var(--color-primary)}.bg-surface{background-color:var(--color-surface)}.mt-2{margin-top:var(--space-2)}.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}.mt-8{margin-top:var(--space-8)}.mb-2{margin-bottom:var(--space-2)}.mb-4{margin-bottom:var(--space-4)}.mb-6{margin-bottom:var(--space-6)}.mb-8{margin-bottom:var(--space-8)}.p-4{padding:var(--space-4)}.p-6{padding:var(--space-6)}.p-8{padding:var(--space-8)}.rounded{border-radius:var(--radius-md)}.rounded-lg{border-radius:var(--radius-lg)}.rounded-xl{border-radius:var(--radius-xl)}.rounded-full{border-radius:var(--radius-full)}.shadow-sm{box-shadow:var(--shadow-sm)}.shadow-md{box-shadow:var(--shadow-md)}.shadow-lg{box-shadow:var(--shadow-lg)}.w-full{width:100%}.h-full{height:100%}.hidden{display:none}.block{display:block}.inline-block{display:inline-block}.relative{position:relative}.absolute{position:absolute}.fixed{position:fixed}.sticky{position:sticky}.overflow-hidden{overflow:hidden}.overflow-auto{overflow:auto}.cursor-pointer{cursor:pointer}.select-none{-webkit-user-select:none;user-select:none}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-fade-in{animation:fadeIn var(--transition-slow)}.animate-slide-up{animation:slideUp var(--transition-slow)}.animate-slide-down{animation:slideDown var(--transition-slow)}.animate-pulse{animation:2s ease-in-out infinite pulse}.animate-spin{animation:1s linear infinite spin}.spinner{border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}.spinner-sm{border-width:2px;width:16px;height:16px}.spinner-lg{border-width:4px;width:40px;height:40px}.alert{padding:var(--space-4);border-radius:var(--radius-lg);align-items:flex-start;gap:var(--space-3);display:flex}.alert-info{color:#1e40af;background:#dbeafe;border:1px solid #93c5fd}.alert-success{color:#065f46;background:#d1fae5;border:1px solid #6ee7b7}.alert-warning{color:#92400e;background:#fef3c7;border:1px solid #fcd34d}.alert-error{color:#991b1b;background:#fee2e2;border:1px solid #fca5a5}.watermark-overlay{pointer-events:none;z-index:var(--z-tooltip);justify-content:center;align-items:center;display:flex;position:fixed;inset:0;overflow:hidden}.watermark-text{color:#80808026;font-size:14px;font-family:var(--font-mono);white-space:nowrap;pointer-events:none;-webkit-user-select:none;user-select:none;transform:rotate(-30deg)}.pdf-viewer{background:var(--color-background);border-radius:var(--radius-xl);width:100%;height:calc(100vh - 200px);position:relative;overflow:hidden}.pdf-viewer canvas{margin:0 auto;display:block}.no-context-menu{-webkit-user-select:none;user-select:none}.nav-header{z-index:var(--z-sticky);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);background:#fffc;position:sticky;top:0}.dark .nav-header{background:#0f172acc}@media (max-width:768px){:root{--text-4xl:1.875rem;--text-3xl:1.5rem;--text-2xl:1.25rem}.container{padding:0 var(--space-4)}.page{padding:var(--space-4)0}}