*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #0a0a0a;--bg-secondary: #141414;--bg-tertiary: #1a1a1a;--text: #ffffff;--text-secondary: #888888;--accent: #3b82f6;--accent-hover: #2563eb;--danger: #ef4444;--danger-hover: #dc2626;--success: #22c55e;--border: #333333;--radius: 8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.hidden{display:none!important}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;background:var(--bg-tertiary);color:var(--text);border:1px solid var(--border)}.btn:hover{background:var(--border)}.btn-primary{background:var(--accent);border-color:var(--accent)}.btn-primary:hover{background:var(--accent-hover)}.btn-danger{background:var(--danger);border-color:var(--danger)}.btn-danger:hover{background:var(--danger-hover)}.btn-small{padding:6px 12px;font-size:13px}.btn-google{background:#fff;color:#333;border:none;padding:12px 24px;font-size:16px}.btn-google:hover{background:#f5f5f5}.btn-google svg{width:20px;height:20px}#login-view{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-container{text-align:center;padding:40px}.login-container h1{font-size:48px;margin-bottom:8px;background:linear-gradient(135deg,var(--accent),#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-container p{color:var(--text-secondary);margin-bottom:32px;font-size:18px}header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--bg-secondary);border-bottom:1px solid var(--border)}header h1{font-size:24px;background:linear-gradient(135deg,var(--accent),#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.user-menu{display:flex;align-items:center;gap:12px}.avatar{width:32px;height:32px;border-radius:50%;background:var(--bg-tertiary)}#user-name{color:var(--text-secondary);font-size:14px}main{max-width:1200px;margin:0 auto;padding:24px}.boards-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.boards-header h2{font-size:20px}.boards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.board-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:20px;cursor:pointer;transition:all .2s}.board-card:hover{border-color:var(--accent);transform:translateY(-2px)}.board-card h3{font-size:18px;margin-bottom:8px}.board-card .board-id{font-family:monospace;font-size:13px;color:var(--text-secondary);margin-bottom:12px}.board-card .board-meta{display:flex;gap:12px;font-size:12px;color:var(--text-secondary)}.board-card .badge{background:var(--bg-tertiary);padding:2px 8px;border-radius:4px}.board-card .badge.public{background:#22c55e33;color:var(--success)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}.board-main{display:grid;grid-template-columns:1fr 300px;gap:24px}@media (max-width: 768px){.board-main{grid-template-columns:1fr}}.message-section{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.message-section h2{font-size:18px;margin-bottom:16px}#message-input{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:12px;color:var(--text);font-size:14px;font-family:SF Mono,Fira 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h2{margin-bottom:20px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:14px;color:var(--text-secondary);margin-bottom:8px}.form-group input[type=text]{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;color:var(--text);font-size:14px}.form-group input[type=text]:focus{outline:none;border-color:var(--accent)}.form-group input[type=checkbox]{margin-right:8px}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}.loading{opacity:.5;pointer-events:none}