:root{--color-primary-700:#1d4ed8;--color-primary-600:#2563eb;--color-primary-500:#3b82f6;--color-primary-400:#60a5fa;--color-primary-100:#dbeafe;--color-primary-50:#eff6ff;--color-secondary-700:#15803d;--color-secondary-600:#16a34a;--color-secondary-500:#22c55e;--color-secondary-400:#4ade80;--color-secondary-100:#dcfce7;--color-secondary-50:#f0fdf4;--color-neutral-900:#0f172a;--color-neutral-800:#1e293b;--color-neutral-700:#334155;--color-neutral-600:#475569;--color-neutral-500:#64748b;--color-neutral-400:#94a3b8;--color-neutral-300:#cbd5e1;--color-neutral-200:#e2e8f0;--color-neutral-100:#f1f5f9;--color-neutral-50:#f8fafc;--color-success:#22c55e;--color-warning:#f59e0b;--color-error:#ef4444;--color-info:#0ea5e9;--color-background:var(--color-neutral-50);--color-surface:#ffffff;--color-border:var(--color-neutral-200);--color-divider:var(--color-neutral-300);--color-text-primary:var(--color-neutral-900);--color-text-secondary:var(--color-neutral-600);--color-text-placeholder:var(--color-neutral-400);--color-text-disabled:var(--color-neutral-300);--gradient-brand:linear-gradient(135deg,#2563eb,#3b82f6 45%,#22c55e);--radius-button:8px;--radius-input:8px;--radius-card:16px;--radius-modal:20px;--radius-chip:999px;--shadow-sm:0 1px 2px rgba(15,23,42,0.06);--shadow-md:0 8px 24px rgba(15,23,42,0.08);--shadow-lg:0 20px 48px rgba(15,23,42,0.12);--font-family-base:Pretendard,system-ui,sans-serif;--font-size-display:48px;--font-size-h1:32px;--font-size-h2:24px;--font-size-h3:20px;--font-size-h4:18px;--font-size-body:16px;--font-size-small:14px;--font-size-caption:12px;color:var(--color-text-primary);background:var(--color-background);font-family:var(--font-family-base);font-size:var(--font-size-body);font-weight:400;line-height:1.6;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,:after,:before{box-sizing:border-box}html{min-height:100%}body,html{min-width:320px;background:var(--color-background)}body{margin:0;color:var(--color-text-primary)}body,body>main{min-height:100vh}h1,h2,h3,h4,p{margin-block:0}h1,h2,h3,h4{color:var(--color-text-primary);font-weight:700;line-height:1.25}h1{font-size:var(--font-size-h1)}h2{font-size:var(--font-size-h2)}h3{font-size:var(--font-size-h3)}h4{font-size:var(--font-size-h4)}p{color:var(--color-text-secondary)}a{color:var(--color-primary-600);text-decoration:none;transition:color .16s ease}a:hover{color:var(--color-primary-700)}button,input,select,textarea{font:inherit}button{min-height:44px;padding:0 18px;border:1px solid rgba(0,0,0,0);border-radius:var(--radius-button);color:#fff;background:var(--color-primary-600);box-shadow:var(--shadow-sm);cursor:pointer;font-weight:600;transition:background-color .16s ease,border-color .16s ease,box-shadow .16s ease,transform .16s ease}button:hover{background:var(--color-primary-700);box-shadow:var(--shadow-md)}button:active{transform:translateY(1px)}button:disabled{color:var(--color-text-disabled);background:var(--color-neutral-100);box-shadow:none;cursor:not-allowed}input,select,textarea{width:100%;min-height:44px;border:1px solid var(--color-border);border-radius:var(--radius-input);color:var(--color-text-primary);background:var(--color-surface);transition:border-color .16s ease,box-shadow .16s ease}input::placeholder,select::placeholder,textarea::placeholder{color:var(--color-text-placeholder)}input:focus,select:focus,textarea:focus{border-color:var(--color-primary-500);box-shadow:0 0 0 3px var(--color-primary-100);outline:none}input:disabled,select:disabled,textarea:disabled{color:var(--color-text-disabled);background:var(--color-neutral-100);cursor:not-allowed}input,select{padding:0 14px}textarea{min-height:120px;padding:12px 14px;resize:vertical}hr{height:1px;border:0;background:var(--color-divider)}::selection{color:var(--color-primary-700);background:var(--color-primary-100)}