@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;700&family=Noto+Sans+KR:wght@300;400;500;700&display=swap";:root{--bg-primary:#0b0f19;--bg-secondary:#131a2a;--bg-card:#161e30bf;--bg-glass:#ffffff0f;--border-glass:#ffffff1f;--border-glow:#38bdf84d;--text-main:#f8fafc;--text-muted:#94a3b8;--text-accent:#38bdf8;--wood-light:#e6b87d;--wood-mid:#d29d5b;--wood-dark:#b87c35;--wood-shadow:#2b1b0866;--stone-black:#1e2025;--stone-white:#f8fafc;--accent-blue:#0ea5e9;--accent-blue-hover:#0284c7;--accent-gold:#f59e0b;--accent-emerald:#10b981;--accent-rose:#f43f5e;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-xl:28px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-main);-webkit-font-smoothing:antialiased;background-image:radial-gradient(at 15% 15%,#0ea5e91f 0,#0000 50%),radial-gradient(at 85% 85%,#f59e0b14 0,#0000 50%),radial-gradient(#10b9810d 0,#0000 60%);min-height:100vh;font-family:Outfit,Inter,Noto Sans KR,sans-serif;overflow-x:hidden}.glass-panel{-webkit-backdrop-filter:blur(20px);border-radius:var(--radius-lg);background:linear-gradient(135deg,#1a2438c7,#0f172ae0);border:1px solid #ffffff14;border-top-color:#ffffff29;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 12px 30px #00000073}.glass-panel:hover{border-color:#38bdf840;box-shadow:0 16px 36px #00000080}.glass-button{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--text-main);border-radius:var(--radius-md);cursor:pointer;background:#ffffff0f;border:1px solid #ffffff1f;justify-content:center;align-items:center;gap:.45rem;padding:.6rem 1.1rem;font-size:.92rem;font-weight:500;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex}.glass-button:hover{border-color:var(--text-accent);background:#ffffff24;transform:translateY(-1.5px);box-shadow:0 4px 14px #38bdf833}.glass-button:active{transform:translateY(0)}.glass-button:disabled{cursor:not-allowed;opacity:.38!important;box-shadow:none!important;transform:none!important}.glass-button.primary{background:linear-gradient(135deg, var(--accent-blue), #2563eb);border:1px solid #fff3;box-shadow:0 4px 16px #0ea5e959}.glass-button.primary:hover{background:linear-gradient(135deg,#38bdf8,#1d4ed8);box-shadow:0 6px 22px #0ea5e98c}.glass-button.gold{background:linear-gradient(135deg, var(--accent-gold), #d97706);border:1px solid #ffffff40;box-shadow:0 4px 16px #f59e0b59}.glass-button.gold:hover{background:linear-gradient(135deg,#fbbf24,#b45309);box-shadow:0 6px 22px #f59e0b8c}.board-frame{border-radius:var(--radius-lg);background:linear-gradient(135deg,#dfb074,#c48c48);justify-content:center;align-items:center;padding:18px;display:flex;position:relative;box-shadow:0 25px 50px -12px #000000b3,inset 0 2px 4px #ffffff4d,inset 0 -4px 6px #0006}.board-inner{background-color:var(--wood-mid);background-image:repeating-linear-gradient(0deg, transparent, transparent 19px, #00000008 19px, #00000008 20px), repeating-linear-gradient(90deg, transparent, transparent 31px, #00000005 31px, #00000005 32px), linear-gradient(135deg, var(--wood-light) 0%, var(--wood-mid) 50%, var(--wood-dark) 100%);border-radius:6px;position:relative;overflow:hidden;box-shadow:inset 0 0 15px #0003}@keyframes pulseGlow{0%,to{opacity:.6;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}.animate-pulse-glow{animation:2s ease-in-out infinite pulseGlow}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.animate-float{animation:3s ease-in-out infinite float}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:#fff3;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff59}.main-grid-layout{grid-template-columns:var(--grid-cols,minmax(480px, 1.2fr) minmax(340px, .8fr));align-items:start;gap:1.2rem;display:grid}.main-grid-layout.expanded{grid-template-columns:minmax(680px,2.6fr) minmax(320px,.75fr)}.main-grid-layout.tsumego{grid-template-columns:1fr}@media (width>=961px){body{overflow-y:hidden}.app-main-container{flex-direction:column;height:100vh;display:flex;overflow:hidden}.main-grid-layout{flex:1;min-height:0;overflow:hidden}}.header-nav-group,.header-actions-group{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.board-frame,button,.glass-button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}@media (width<=960px){.app-main-container{padding:.5rem .8rem 2.5rem!important}.main-grid-layout,.main-grid-layout.expanded{gap:1.2rem;grid-template-columns:1fr!important}.header-nav-group,.header-actions-group{-webkit-overflow-scrolling:touch;width:100%;padding-bottom:6px;overflow-x:auto;flex-wrap:nowrap!important}.header-nav-group button,.header-actions-group button,.header-actions-group>div{white-space:nowrap;flex-shrink:0}.board-frame{border-radius:var(--radius-md)!important;padding:10px!important}.glass-panel{border-radius:var(--radius-md)}}@media (width<=480px){body{font-size:14px}.glass-button{padding:.45rem .8rem;font-size:.85rem}}