:root {
  --primary: #10B981; --primary-hover: #059669; --secondary: #34D399;
  --accent: #8B5CF6; --success: #10B981; --error: #EF4444; --warning: #F59E0B;
  --bg: #0A1A14; --bg-elevated: #0F251C; --bg-card: #142E24;
  --bg-input: #0C1F16; --text: #E0F5EC; --text-muted: #80B8A0; --text-dim: #446B58;
  --border: #1E3D30; --border-hover: #2D5A48; --radius: 12px; --radius-sm: 8px;
  --font: 'Inter', system-ui, sans-serif; --mono: 'JetBrains Mono', monospace;
  --transition: 200ms ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;overflow:hidden}
.app{display:flex;flex-direction:column;height:100vh}

.header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--bg-elevated);border-bottom:1px solid var(--border);gap:12px;flex-shrink:0}
.header-left{display:flex;align-items:center;gap:12px}
.logo{font-size:1.3rem}
.header-title{font-size:1.05rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.header-right{display:flex;gap:8px;align-items:center}
.select-sm{padding:5px 10px;font-size:.72rem;font-family:var(--font);background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);cursor:pointer}

.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;font-size:.8rem;font-weight:500;font-family:var(--font);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);white-space:nowrap}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-hover));color:#fff;box-shadow:0 2px 8px rgba(16,185,129,.3)}
.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}
.btn-ghost:hover:not(:disabled){background:var(--bg-card);color:var(--text);border-color:var(--border-hover)}
.btn-sm{padding:5px 10px;font-size:.72rem}

.main{display:grid;grid-template-columns:1fr 320px;flex:1;overflow:hidden;gap:1px;background:var(--border)}
.panel{display:flex;flex-direction:column;background:var(--bg);overflow-y:auto;padding:16px;gap:12px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:8px}
.panel-title{font-size:.85rem;font-weight:600;color:var(--text);white-space:nowrap}

.code-editor{flex:1;width:100%;padding:16px;font-family:var(--mono);font-size:.78rem;line-height:1.7;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--secondary);resize:none;outline:none;tab-size:2}
.code-editor:focus{border-color:var(--primary)}
.code-editor::placeholder{color:var(--text-dim)}

.heatmap{flex:1;overflow-y:auto;font-family:var(--mono);font-size:.75rem;line-height:1.7}
.hm-line{display:flex;padding:1px 12px;cursor:pointer;transition:background .1s ease}
.hm-line:hover{background:rgba(255,255,255,.04)}
.hm-line.active{background:rgba(16,185,129,.08)}
.hm-num{width:40px;color:var(--text-dim);text-align:right;padding-right:12px;flex-shrink:0;user-select:none}
.hm-color{width:6px;flex-shrink:0;border-radius:2px;margin-right:10px}
.hm-code{flex:1;white-space:pre;overflow:hidden;text-overflow:ellipsis;color:var(--text)}

.author-stats{display:flex;flex-direction:column;gap:6px}
.stat-card{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm)}
.stat-swatch{width:14px;height:14px;border-radius:3px;flex-shrink:0}
.stat-name{flex:1;font-size:.75rem;font-weight:500}
.stat-count{font-size:.72rem;color:var(--text-muted)}
.stat-bar{width:60px;height:4px;background:var(--bg);border-radius:2px;overflow:hidden}
.stat-bar-fill{height:100%;border-radius:2px}
.empty-state{display:flex;align-items:center;justify-content:center;height:60px;color:var(--text-dim);font-size:.78rem}

.section-label{font-size:.72rem;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px}
.form-group{display:flex;flex-direction:column;gap:4px}
.form-group label{font-size:.7rem;font-weight:500;color:var(--text-muted)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.input{width:100%;padding:8px 12px;font-size:.8rem;font-family:var(--font);background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);outline:none}
.input:focus{border-color:var(--primary)}

.commit-detail{padding:10px 14px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm)}
.commit-info{font-size:.72rem;line-height:1.6;color:var(--text-muted);margin-top:4px}
.commit-info strong{color:var(--text);font-weight:600}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:10px 20px;background:var(--bg-card);border:1px solid var(--primary);border-radius:var(--radius-sm);color:var(--primary);font-size:.8rem;font-weight:500;z-index:200;animation:toast-in .3s ease}
@keyframes toast-in{from{opacity:0;transform:translateX(-50%) translateY(10px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
@media(max-width:768px){.main{grid-template-columns:1fr;grid-template-rows:1fr auto}.header{flex-wrap:wrap}}