:root{--bg: #f7f8fa;--panel-bg: #fff;--text: #1f1f1f;--border: #e5e7eb;--primary: #1f3ef0;--primary-fg: #fff;--preview-bg: #ffffff}body.dark{--bg: #1a1b1e;--panel-bg: #25262b;--text: #c1c2c5;--border: #373a40;--primary: #339af0;--preview-bg: #1a1a1a}body{margin:0;padding:0;font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);transition:background .3s,color .3s}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-bottom:1px solid var(--border);background:var(--panel-bg)}.brand{display:flex;align-items:center;gap:12px}.logo{font-size:24px}h1{margin:0;font-size:18px;font-weight:600}p{margin:0;font-size:12px;opacity:.7}.actions{display:flex;gap:8px}button{border:1px solid var(--border);background:var(--primary);color:var(--primary-fg);padding:8px 12px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:opacity .2s}button:disabled{cursor:not-allowed;opacity:.6}button:hover:not(:disabled){opacity:.9;transform:translateY(-1px)}button.assist-btn{background:linear-gradient(135deg,#667eea,#764ba2);border:none;animation:pulse-glow 2s infinite}@keyframes pulse-glow{0%,to{box-shadow:0 0 5px #667eea4d}50%{box-shadow:0 0 15px #667eea99}}.layout{display:grid;grid-template-columns:350px 1fr;gap:16px;padding:16px;flex:1}.panel{background:var(--panel-bg);border:1px solid var(--border);border-radius:8px;padding:16px;display:flex;flex-direction:column;gap:16px;height:calc(100vh - 100px)}.field-row{display:flex;flex-direction:column;gap:12px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.5px;opacity:.8;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.label-hint{font-weight:400;text-transform:none;letter-spacing:0;font-size:11px;opacity:.6;font-style:italic}.field.grow{flex:1;min-height:0}textarea{width:100%;height:100%;resize:none;font-family:JetBrains Mono,monospace;border:1px solid var(--border);border-radius:6px;padding:12px;background:var(--bg);color:var(--text);font-size:13px;line-height:1.5}textarea:focus{outline:2px solid var(--primary);border-color:transparent}textarea::placeholder{color:var(--text);opacity:.4;font-family:inherit;font-size:12px}select{padding:8px;border-radius:6px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:14px}.status{padding:10px;border-radius:6px;background:var(--bg);border:1px solid var(--border);font-size:12px}.preview-panel{padding:0;overflow:hidden;background:var(--preview-bg)}.preview-container{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--preview-bg)}.preview-runtime,.preview-remote{width:100%;height:100%;display:flex;justify-content:center;align-items:center}.preview-runtime svg,.preview-remote svg{max-width:90%;max-height:90%;box-shadow:0 4px 12px #0000001a}.icon-picker-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.icon-picker-modal{background:var(--panel-bg);border-radius:12px;width:90%;max-width:800px;max-height:85vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 20px 60px #0000004d}.icon-picker-header{padding:20px 24px;border-bottom:1px solid var(--border);position:relative}.icon-picker-header h2{margin:0 0 4px;font-size:20px}.icon-picker-header p{margin:0;opacity:.6}.close-btn{position:absolute;top:16px;right:16px;background:transparent;border:none;font-size:24px;cursor:pointer;color:var(--text);opacity:.6;padding:4px 8px}.close-btn:hover{opacity:1;transform:none}.icon-search-form{display:flex;gap:8px;padding:16px 24px;border-bottom:1px solid var(--border)}.icon-search-input{flex:1;padding:12px 16px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font-size:15px}.icon-search-input:focus{outline:2px solid var(--primary);border-color:transparent}.icon-search-btn{padding:12px 20px;font-size:18px}.quick-searches{display:flex;flex-wrap:wrap;gap:8px;padding:12px 24px;border-bottom:1px solid var(--border)}.quick-search-tag{background:var(--bg);border:1px solid var(--border);color:var(--text);padding:6px 12px;border-radius:16px;font-size:12px;cursor:pointer;transition:all .2s}.quick-search-tag:hover{background:var(--primary);color:var(--primary-fg);border-color:var(--primary);transform:none}.icon-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px;padding:20px 24px;overflow-y:auto;flex:1}.icon-card{background:var(--bg);border:1px solid var(--border);border-radius:8px;overflow:hidden;transition:all .2s}.icon-card:hover{border-color:var(--primary);box-shadow:0 4px 12px #0000001a}.icon-preview{padding:16px;display:flex;align-items:center;justify-content:center;background:var(--preview-bg);min-height:80px}.icon-preview img{max-width:64px;max-height:64px;object-fit:contain}.icon-actions{display:flex;border-top:1px solid var(--border)}.icon-insert-btn,.icon-copy-btn{flex:1;padding:8px;font-size:11px;border:none;border-radius:0;background:var(--panel-bg);color:var(--text)}.icon-insert-btn{border-right:1px solid var(--border)}.icon-insert-btn:hover{background:var(--primary);color:var(--primary-fg)}.icon-copy-btn:hover{background:var(--bg)}.icon-empty,.icon-loading,.icon-error{padding:40px 24px;text-align:center;color:var(--text);opacity:.6}.icon-error{color:#e53935;opacity:1}button.icon-btn{background:linear-gradient(135deg,#f093fb,#f5576c);border:none}.tab-switcher{display:flex;gap:4px;background:var(--bg);padding:4px;border-radius:8px}.tab-btn{background:transparent;border:none;color:var(--text);padding:8px 16px;border-radius:6px;opacity:.7;transition:all .2s}.tab-btn:hover{opacity:1;background:var(--panel-bg);transform:none}.tab-btn.active{background:var(--primary);color:var(--primary-fg);opacity:1}.layout-full{flex:1;padding:16px}.chart-editor{display:grid;grid-template-columns:400px 1fr;gap:16px;height:calc(100vh - 100px)}.chart-sidebar{background:var(--panel-bg);border:1px solid var(--border);border-radius:8px;padding:16px;display:flex;flex-direction:column;gap:12px;overflow-y:auto}.chart-sidebar .field{display:flex;flex-direction:column;gap:6px}.chart-sidebar .field.grow{flex:1;min-height:150px}.chart-sidebar label{font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.5px;opacity:.8}.chart-sidebar input,.chart-sidebar select{padding:10px 12px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text);font-size:14px}.chart-sidebar input:focus,.chart-sidebar select:focus{outline:2px solid var(--primary);border-color:transparent}.content-input{min-height:120px;resize:vertical;font-family:inherit;font-size:13px;padding:12px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text)}.data-input{flex:1;min-height:150px;font-family:JetBrains Mono,monospace;font-size:12px;padding:12px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text);resize:none}.divider{height:1px;background:var(--border);margin:4px 0}.full-width{width:100%}.generate-btn{background:linear-gradient(135deg,#11998e,#38ef7d);border:none;padding:12px;font-size:15px}.chart-preview{background:var(--panel-bg);border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:hidden}.chart-image-container{display:flex;flex-direction:column;align-items:center;gap:16px;padding:20px;max-width:100%;max-height:100%}.chart-image-container img{max-width:100%;max-height:calc(100vh - 250px);object-fit:contain;border-radius:8px;box-shadow:0 4px 20px #00000026}.chart-actions{display:flex;gap:8px}.chart-actions button{padding:8px 16px;font-size:13px}.chart-placeholder{text-align:center;color:var(--text);opacity:.6}.placeholder-icon{font-size:64px;margin-bottom:16px}.chart-placeholder p{margin:8px 0}.chart-placeholder .hint{font-size:12px;opacity:.7}