@import"https://fonts.googleapis.com/css2?family=Pretendard:wght@100;400;700&family=Outfit:wght@300;400;700&display=swap";:root{--font-primary: "Pretendard", sans-serif;--font-display: "Outfit", sans-serif;--bg-light: #f8fafc;--bg-dark: #0f172a;--card-light: rgba(255, 255, 255, .85);--card-dark: rgba(30, 41, 59, .85);--text-light: #1e293b;--text-dark: #f8fafc;--accent-primary: #6366f1;--accent-secondary: #a855f7;--glass-border-light: rgba(255, 255, 255, .5);--glass-border-dark: rgba(255, 255, 255, .15);--ball-bg-1: linear-gradient(135deg, #fcd34d, #f59e0b);--ball-bg-2: linear-gradient(135deg, #93c5fd, #3b82f6);--ball-bg-3: linear-gradient(135deg, #fca5a5, #ef4444);--ball-bg-4: linear-gradient(135deg, #d1d5db, #6b7280);--ball-bg-5: linear-gradient(135deg, #6ee7b7, #10b981)}*{box-sizing:border-box;margin:0;padding:0;transition:background-color .3s ease,color .3s ease,border-color .3s ease}body{font-family:var(--font-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-light);color:var(--text-light);min-height:100vh;display:flex;justify-content:center;align-items:center}body.dark{background-color:var(--bg-dark);color:var(--text-dark)}.glass-card{backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:24px;border:1px solid var(--glass-border-light);background:var(--card-light);box-shadow:0 10px 40px -10px #1f268726}.dark .glass-card{border:1px solid var(--glass-border-dark);background:var(--card-dark);box-shadow:0 10px 40px -10px #00000080}h1{font-family:var(--font-display);font-weight:700;letter-spacing:-.02em}.ball{width:48px;height:48px;border-radius:50%;display:flex;justify-content:center;align-items:center;font-weight:700;font-size:1.2rem;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.3);box-shadow:inset -3px -3px 6px #0003,0 4px 6px -1px #0003}.btn-primary{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:#fff;border:none;padding:14px 32px;border-radius:12px;font-size:1.05rem;font-weight:700;cursor:pointer;box-shadow:0 4px 14px #6366f163;transition:transform .2s,box-shadow .2s}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #6366f180}.btn-primary:active:not(:disabled){transform:translateY(1px) scale(.98)}.btn-primary:disabled{opacity:.7;cursor:not-allowed;transform:none}.theme-toggle{position:fixed;top:24px;right:24px;background:none;border:none;cursor:pointer;padding:8px;border-radius:50%;display:flex;align-items:center;justify-content:center;z-index:100}.copy-btn{background:#6366f11a;color:var(--accent-primary);border:none;padding:6px 12px;border-radius:8px;font-size:.8rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:4px;transition:all .2s}.dark .copy-btn{background:#6366f133;color:#c7d2fe}.copy-btn:hover{background:#6366f133}.dark .copy-btn:hover{background:#6366f14d}.copy-btn:active{transform:scale(.95)}.contact-form-section{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--glass-border-light)}.dark .contact-form-section{border-top:1px solid var(--glass-border-dark)}.contact-form-section h2{font-family:var(--font-display);font-size:1.5rem;margin-bottom:.5rem;text-align:center}.contact-form-section p{text-align:center;font-size:.9rem;opacity:.7;margin-bottom:1.5rem}.form-group{margin-bottom:1rem;text-align:left}.form-group label{display:block;font-size:.85rem;font-weight:600;margin-bottom:.4rem;opacity:.9}.form-control{width:100%;padding:10px 14px;border-radius:10px;border:1px solid rgba(0,0,0,.1);background:#ffffff80;font-family:inherit;font-size:.95rem;color:inherit;transition:all .2s}.dark .form-control{background:#0003;border:1px solid rgba(255,255,255,.1)}.form-control:focus{outline:none;border-color:var(--accent-primary);background:var(--card-light);box-shadow:0 0 0 2px #6366f133}.dark .form-control:focus{background:var(--card-dark)}textarea.form-control{resize:vertical;min-height:100px}.btn-submit{width:100%;background:#6366f11a;color:var(--accent-primary);border:1px solid rgba(99,102,241,.2);padding:12px;border-radius:10px;font-weight:700;display:flex;justify-content:center;align-items:center;gap:8px;cursor:pointer;transition:all .2s}.btn-submit:hover:not(:disabled){background:#6366f133}.dark .btn-submit{background:#6366f126;color:#c7d2fe}.dark .btn-submit:hover:not(:disabled){background:#6366f140}.btn-submit:active:not(:disabled){transform:scale(.98)}.btn-submit:disabled{opacity:.6;cursor:not-allowed}.alert{padding:12px;border-radius:10px;margin-bottom:1.5rem;font-size:.9rem;display:flex;align-items:center;gap:8px}.alert-success{background:#10b9811a;color:#059669;border:1px solid rgba(16,185,129,.2)}.dark .alert-success{color:#34d399}.alert-error{background:#ef44441a;color:#dc2626;border:1px solid rgba(239,68,68,.2)}.dark .alert-error{color:#f87171}