@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap";
:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-card:#1a1a2e;--bg-card-hover:#1f1f35;--border:#2a2a3e;--border-glow:#4a4aff33;--text-primary:#e8e8f0;--text-secondary:#88a;--text-muted:#55556a;--accent:#6366f1;--accent-glow:#6366f133;--accent-light:#818cf8;--success:#34d399;--warning:#fbbf24;--danger:#f87171;--eval-white:#f0f0f0;--eval-black:#1a1a1a;--gradient-1:linear-gradient(135deg,#6366f1 0%,#a855f7 100%);--gradient-2:linear-gradient(135deg,#1a1a2e 0%,#0a0a0f 100%);--shadow-glow:0 0 20px #6366f126}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg-primary);color:var(--text-primary);height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;overflow:hidden}.app-container{flex-direction:column;height:100vh;display:flex;overflow:hidden}.app-header{background:var(--bg-secondary);border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:100;justify-content:space-between;align-items:center;padding:10px 24px;display:flex;position:sticky;top:0}.app-logo{align-items:center;gap:12px;display:flex}.app-logo-icon{background:var(--gradient-1);border-radius:10px;justify-content:center;align-items:center;width:32px;height:32px;font-size:18px;display:flex}.app-logo-text{background:var(--gradient-1);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:18px;font-weight:700}.app-logo-sub{color:var(--text-muted);font-size:11px;font-weight:400}.main-content{flex:1;gap:20px;width:100%;max-width:1600px;min-height:0;margin:0 auto;padding:16px 24px;display:flex;overflow:hidden}.board-section{flex-direction:column;gap:12px;display:flex}.board-wrapper{align-items:stretch;gap:16px;width:min(100%,520px);max-width:100%;display:flex}.analysis-section{flex-direction:column;flex:1;gap:12px;min-width:380px;max-width:480px;min-height:0;display:flex;overflow:hidden}.card-body::-webkit-scrollbar{width:6px}.card-body::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:6px;margin-block:4px}.card-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:6px}.card-body::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.eval-bar-container{border:1px solid var(--border);background:var(--eval-black);border-radius:6px;width:24px;position:relative;overflow:hidden}.eval-bar-white{background:var(--eval-white);transition:height .6s cubic-bezier(.4,0,.2,1);position:absolute;bottom:0;left:0;right:0}.eval-bar-score{z-index:2;writing-mode:vertical-rl;text-orientation:mixed;white-space:nowrap;font-family:JetBrains Mono,monospace;font-size:9px;font-weight:600;position:absolute;left:50%;transform:translate(-50%)}.eval-bar-score.top{color:var(--eval-white);top:6px}.eval-bar-score.bottom{color:var(--eval-black);bottom:6px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;flex-direction:column;flex-shrink:1;min-height:0;transition:border-color .2s,box-shadow .2s;display:flex;overflow:hidden}.card:hover{border-color:var(--border-glow);box-shadow:var(--shadow-glow)}.card-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:10px 14px;display:flex}.card-title{text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);font-size:12px;font-weight:600}.card-body{flex:1;min-height:0;padding:12px 14px;overflow-y:auto}.explanation-text{color:var(--text-primary);letter-spacing:.01em;white-space:pre-wrap;font-size:13.5px;line-height:1.6}.explanation-loading{color:var(--text-muted);align-items:center;gap:10px;font-size:14px;display:flex}.loading-dots{gap:4px;display:flex}.loading-dots span{background:var(--accent);border-radius:50%;width:6px;height:6px;animation:1.4s infinite dotPulse}.loading-dots span:nth-child(2){animation-delay:.2s}.loading-dots span:nth-child(3){animation-delay:.4s}@keyframes dotPulse{0%,80%,to{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}.level-toggle{background:var(--bg-primary);border-radius:8px;gap:4px;padding:3px;display:flex}.level-btn{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-radius:6px;padding:5px 12px;font-family:Inter,sans-serif;font-size:11px;font-weight:500;transition:all .2s}.level-btn.active{background:var(--accent);color:#fff;box-shadow:0 2px 8px #6366f14d}.level-btn:hover:not(.active){color:var(--text-secondary);background:var(--bg-card-hover)}.factors-list{flex-direction:column;gap:8px;display:flex}.factor-item{background:var(--bg-primary);border:1px solid var(--border);border-radius:8px;align-items:center;gap:10px;padding:8px 12px;font-size:13px;display:flex}.factor-rank{background:var(--gradient-1);border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;font-size:11px;font-weight:700;display:flex}.factor-text{color:var(--text-secondary);font-size:12.5px}.pv-lines{flex-direction:column;gap:8px;display:flex}.pv-line{background:var(--bg-primary);border:1px solid var(--border);border-radius:8px;align-items:center;gap:10px;padding:8px 12px;transition:border-color .2s;display:flex}.pv-line:first-child{border-color:var(--accent);background:var(--accent-glow)}.pv-line:hover{border-color:var(--accent-light)}.pv-rank{color:var(--text-muted);min-width:18px;font-family:JetBrains Mono,monospace;font-size:11px;font-weight:600}.pv-score{text-align:center;border-radius:4px;min-width:50px;padding:2px 8px;font-family:JetBrains Mono,monospace;font-size:12px;font-weight:600}.pv-score.positive{color:var(--success);background:#34d3991a}.pv-score.negative{color:var(--danger);background:#f871711a}.pv-score.neutral{color:var(--text-muted);background:var(--bg-card)}.pv-moves{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;font-family:JetBrains Mono,monospace;font-size:12px;overflow:hidden}.fen-input-container{gap:8px;display:flex}.fen-input{background:var(--bg-primary);border:1px solid var(--border);color:var(--text-primary);border-radius:8px;outline:none;flex:1;padding:10px 14px;font-family:JetBrains Mono,monospace;font-size:12px;transition:border-color .2s}.fen-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.fen-input::placeholder{color:var(--text-muted)}.analyze-btn{background:var(--gradient-1);color:#fff;cursor:pointer;white-space:nowrap;border:none;border-radius:8px;padding:10px 24px;font-family:Inter,sans-serif;font-size:13px;font-weight:600;transition:transform .1s,box-shadow .2s}.analyze-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px #6366f166}.analyze-btn:active{transform:translateY(0)}.analyze-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.breakdown-grid{grid-template-columns:1fr 1fr;gap:6px;display:grid}.breakdown-item{background:var(--bg-primary);border-radius:6px;justify-content:space-between;align-items:center;padding:6px 10px;font-size:12px;display:flex}.breakdown-label{color:var(--text-muted)}.breakdown-value{font-family:JetBrains Mono,monospace;font-size:11px;font-weight:600}.breakdown-value.positive{color:var(--success)}.breakdown-value.negative{color:var(--danger)}.breakdown-value.neutral{color:var(--text-muted)}.status-bar{background:var(--bg-secondary);border-top:1px solid var(--border);color:var(--text-muted);justify-content:space-between;align-items:center;padding:8px 18px;font-size:12px;display:flex}.status-indicator{align-items:center;gap:6px;display:flex}.status-dot{background:var(--success);border-radius:50%;width:8px;height:8px;animation:2s infinite pulse}.status-dot.disconnected{background:var(--danger);animation:none}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@media (max-width:1200px){.main-content{flex-direction:column;padding:16px;overflow-y:auto}.board-section,.analysis-section{min-width:0;max-width:100%}}@media (max-width:768px){html,body{height:auto;min-height:100%;overflow:auto}.app-container{height:auto;min-height:100vh;overflow:visible}.app-header{flex-direction:column;align-items:flex-start;gap:10px;padding:10px 14px}.app-header>div:last-child{flex-wrap:wrap;gap:8px;width:100%;display:flex}.app-logo-sub{font-size:10px}.main-content{gap:12px;padding:12px;overflow:visible}.board-wrapper{gap:10px;width:100%}.board-eval-bar{width:18px;min-width:18px;height:min(72vw,360px)!important}.board-shell{width:100%!important;max-width:min(100vw - 52px,500px)!important}.fen-input-container{flex-direction:column;align-items:stretch}.fen-input{width:100%;min-width:0}.analyze-btn{justify-content:center;width:100%}.card-header{flex-direction:column;align-items:flex-start;gap:10px}.level-toggle{flex-wrap:wrap;width:100%}.level-btn{text-align:center;flex:calc(33.333% - 4px)}.card-body{padding:10px 12px}.explanation-text,.factor-text,.pv-moves{font-size:12.5px}.status-bar{flex-direction:column;align-items:flex-start;gap:6px;padding:10px 14px}}