:root{--bg-primary: #f7f7f9;--bg-secondary: #f1f1f4;--bg-card: #ffffff;--bg-card-hover: #fafafa;--border-color: #ececf0;--border-strong: #d4d4d8;--text-primary: #18181b;--text-secondary: #52525b;--text-muted: #a1a1aa;--accent-blue: #3b82f6;--accent-blue-strong: #4285f4;--accent-green: #16a34a;--accent-amber: #fdba74;--accent-red: #ef4444;--accent-purple: #c4b5fd;--glow-green: rgba(22, 163, 74, .1);--glow-red: rgba(239, 68, 68, .08);--glow-amber: rgba(253, 186, 116, .15);--glow-blue: rgba(59, 130, 246, .1);--shadow-xs: 0 1px 2px rgba(17, 17, 17, .04);--shadow-sm: 0 2px 6px rgba(17, 17, 17, .05), 0 1px 2px rgba(17, 17, 17, .04);--shadow-md: 0 6px 20px rgba(17, 17, 17, .06), 0 2px 6px rgba(17, 17, 17, .04);--radius-sm: 8px;--radius-md: 12px;--radius-pill: 999px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Malgun Gothic,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}#root{min-height:100vh;display:flex;flex-direction:column}.material-symbols-outlined{font-family:Material Symbols Outlined;font-weight:400;font-style:normal;line-height:1;letter-spacing:normal;text-transform:none;white-space:nowrap;direction:ltr;-webkit-font-smoothing:antialiased;-webkit-user-select:none;user-select:none;font-variation-settings:"FILL" 0,"wght" 500,"GRAD" 0,"opsz" 24}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}::selection{background:#4285f440;color:var(--text-primary)}.app{min-height:100vh;display:flex;flex-direction:column}.main{flex:1;max-width:1040px;width:100%;margin:0 auto;padding:18px 24px 40px;display:flex;flex-direction:column;gap:14px;min-height:0}.intro{font-size:13px;color:var(--text-secondary);line-height:1.6}.layout{display:grid;grid-template-columns:320px 1fr;gap:14px;align-items:start}.col-left,.col-right{display:flex;flex-direction:column;gap:14px;min-width:0}.header{background:var(--bg-card);border-bottom:1px solid var(--border-color)}.header-inner{max-width:1040px;margin:0 auto;padding:10px 24px;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:12px}.logo-icon{width:46px;height:46px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);background:var(--glow-blue);color:var(--accent-blue-strong)}.logo-icon .material-symbols-outlined{font-size:28px}.logo h1{font-size:17px;font-weight:700;letter-spacing:-.02em;color:var(--text-primary)}.logo-sub{font-family:JetBrains Mono,monospace;font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em}.header-status{display:flex;align-items:center;gap:10px}.connection-badge{display:flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--radius-pill);font-size:13px;font-weight:600;background:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--shadow-xs)}.connection-badge.connected{color:var(--accent-green);background:var(--glow-green);border-color:#16a34a33}.connection-badge.disconnected{color:var(--text-secondary)}.status-dot{width:7px;height:7px;border-radius:50%;background:currentColor}.connected .status-dot{box-shadow:0 0 0 3px #16a34a33;animation:pulse 2s ease-in-out infinite}.disconnected .status-dot{background:var(--text-muted)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.panel{background:var(--bg-card);border:1px solid var(--border-color);border-radius:5px;box-shadow:var(--shadow-sm);overflow:hidden}.panel-header{padding:10px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-color)}.panel-header h2{font-size:15px;font-weight:700;letter-spacing:-.01em;color:var(--text-primary)}.panel-body{padding:16px 18px;display:flex;flex-direction:column;gap:14px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:var(--radius-sm);border:1px solid transparent;font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:all .15s ease;letter-spacing:-.01em}.btn:disabled{opacity:.45;cursor:not-allowed}.btn .material-symbols-outlined{font-size:18px}.btn-primary{background:var(--accent-blue-strong);color:#fff;width:100%;padding:14px 24px;font-size:15px;box-shadow:0 4px 12px #4285f44d}.btn-primary:hover:not(:disabled){background:#2b6cd4;box-shadow:0 6px 20px #4285f466;transform:translateY(-1px)}.btn-disconnect{background:#fff;color:#000;border:1px solid var(--border-strong);box-shadow:var(--shadow-xs)}.btn-disconnect:hover:not(:disabled){background:var(--bg-secondary);box-shadow:var(--shadow-xs);transform:none}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border-color)}.btn-ghost:hover:not(:disabled){color:var(--text-primary);border-color:var(--border-strong);background:var(--bg-secondary)}.board-tabs{display:flex;gap:4px;padding:6px 10px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color)}.board-tab{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 14px;border:none;background:transparent;color:var(--text-secondary);font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s;border-radius:10px;letter-spacing:-.01em}.board-tab:hover:not(.active){color:var(--text-primary);background:#0000000a}.board-tab.active{color:var(--accent-blue-strong);background:#4285f41f;box-shadow:var(--shadow-xs)}.board-tab .material-symbols-outlined{font-size:20px}.guide{background:var(--glow-blue);border:1px solid rgba(59,130,246,.2);border-radius:5px;padding:12px 14px;display:flex;flex-direction:column;gap:6px}.guide-title{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--accent-blue)}.guide-title .material-symbols-outlined{font-size:18px}.guide-body,.hint{font-size:13px;color:var(--text-secondary);line-height:1.6}.hint code{font-family:JetBrains Mono,monospace;font-size:12px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:4px;padding:1px 5px}.hint--muted{font-size:12px;color:var(--text-muted)}.selected-device{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--accent-green);background:var(--glow-green);border:1px solid rgba(22,163,74,.2);border-radius:5px;padding:10px 14px}.selected-device .material-symbols-outlined{font-size:18px}.name-editor{display:flex;flex-direction:column;gap:14px}.name-editor--disabled .field,.name-editor--disabled .field-meta,.name-editor--disabled .preview,.name-editor--disabled .note{opacity:.5}.name-editor--disabled .field{background:var(--bg-secondary)}.name-editor--disabled .success-banner{opacity:1}.field__input:disabled{cursor:not-allowed}.name-current{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:5px;padding:14px 16px}.name-current__label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:6px}.name-current__value{font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--text-primary);word-break:break-all}.field-label{font-size:13px;font-weight:600;color:var(--text-primary)}.field{display:flex;align-items:stretch;border:1px solid var(--border-strong);border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-card);transition:border-color .15s ease,box-shadow .15s ease}.field:focus-within{border-color:var(--accent-blue-strong);box-shadow:0 0 0 3px #4285f426}.field__prefix{display:flex;align-items:center;gap:5px;padding:0 12px;background:var(--bg-secondary);color:var(--text-secondary);font-size:15px;font-weight:600;white-space:pre;border-right:1px solid var(--border-color);-webkit-user-select:none;user-select:none}.field__prefix .material-symbols-outlined{font-size:16px;color:var(--text-muted)}.field__input{flex:1;min-width:0;border:0;outline:none;padding:0 14px;height:46px;font-size:15px;font-weight:600;font-family:inherit;color:var(--text-primary);background:transparent;letter-spacing:.01em}.field-meta{display:flex;align-items:center;justify-content:space-between;margin-top:-6px}.field-rule{font-size:12px;color:var(--text-muted)}.field-counter{font-size:12px;color:var(--text-muted);font-family:JetBrains Mono,monospace}.preview{display:flex;align-items:baseline;gap:8px;padding:10px 14px;background:var(--bg-secondary);border-radius:var(--radius-sm)}.preview__label{font-size:12px;color:var(--text-muted);flex:none}.preview__value{font-size:15px;font-weight:700;color:var(--text-primary);word-break:break-all}.note{display:flex;gap:8px;font-size:13px;line-height:1.5;color:var(--text-secondary)}.note .material-symbols-outlined{font-size:18px;color:var(--accent-blue);flex:none}.progress{width:100%;height:6px;border-radius:var(--radius-pill);background:var(--glow-blue);overflow:hidden}.progress__bar{width:40%;height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,#6ea8ff,var(--accent-blue-strong));animation:progress-indeterminate 1.1s ease-in-out infinite}@keyframes progress-indeterminate{0%{transform:translate(-120%)}to{transform:translate(320%)}}.success-banner{display:flex;align-items:flex-start;gap:10px;padding:14px 16px;border-radius:5px;background:var(--glow-green);border:1px solid rgba(22,163,74,.25)}.success-banner .material-symbols-outlined{font-size:22px;color:var(--accent-green);flex:none}.success-banner__text{font-size:13px;line-height:1.55;color:var(--text-secondary)}.success-banner__text strong:first-child{display:block;font-size:14px;font-weight:700;color:var(--accent-green);margin-bottom:2px}.success-banner__text strong{font-weight:700;color:var(--text-primary)}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.coming-soon{text-align:center;padding:56px 24px;display:flex;flex-direction:column;align-items:center;gap:8px}.coming-soon .material-symbols-outlined{font-size:44px;color:var(--text-muted)}.coming-soon__title{font-size:20px;font-weight:700;letter-spacing:-.02em;color:var(--text-primary)}.coming-soon__desc{font-size:13px;color:var(--text-secondary)}.unsupported-banner{max-width:480px;margin:80px auto;text-align:center;padding:48px 36px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:5px;box-shadow:var(--shadow-md)}.unsupported-banner h2{font-size:22px;font-weight:700;margin-bottom:12px;letter-spacing:-.02em}.unsupported-banner p{font-size:14px;color:var(--text-secondary);line-height:1.6}.toast-wrap{position:fixed;left:50%;bottom:24px;transform:translate(-50%);width:calc(100% - 32px);max-width:460px;z-index:50}.toast{display:flex;align-items:flex-start;gap:12px;padding:12px 16px;border-radius:8px;box-shadow:var(--shadow-md);font-size:14px;line-height:1.5;color:#fff;background:var(--text-primary)}.toast--success{background:var(--accent-green)}.toast--error{background:var(--accent-red)}.toast--info{background:var(--text-primary)}.toast__msg{flex:1}.toast__close{flex:none;background:transparent;border:0;color:inherit;opacity:.85;cursor:pointer;font-size:18px;line-height:1;padding:0 2px}@media (max-width: 820px){.header-inner{padding:12px 16px}.main{padding:16px}.logo h1{font-size:15px}.layout{grid-template-columns:1fr}}