:root{--bg: #0e0e10;--bg-elev: #161618;--bg-elev-2: #1d1d20;--bg-input: #202024;--border: #2a2a2e;--border-strong: #38383d;--text: #ececee;--text-dim: #a0a0a8;--text-faint: #6c6c74;--accent: #c96442;--accent-hover: #d9755340;--accent-fg: #ffffff;--green: #45b86a;--amber: #d9a441;--red: #e0604f;--blue: #5b8bf5;--radius: 10px;--radius-sm: 7px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: "SF Mono", ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer}.muted{color:var(--text-dim)}.brand{display:inline-flex;align-items:center;gap:8px;border:none;background:none;color:var(--text);padding:0}.brand-dot{width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent)}.brand-name{font-weight:650;letter-spacing:-.01em;font-size:16px}.brand-sm .brand-name{font-size:14px}.btn{background:var(--bg-elev-2);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:8px 14px;font-size:13px;font-weight:500;transition:background .12s ease,border-color .12s ease}.btn:hover:not(:disabled){background:#26262b}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-sm{padding:6px 10px;font-size:12px}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}.btn-primary:hover:not(:disabled){background:#d4734f}.btn-block{width:100%;padding:11px;font-size:14px}.btn-link{background:none;border:none;color:var(--text-dim);font-size:12px;padding:2px 4px;text-decoration:none}.btn-link:hover{color:var(--text);text-decoration:underline}.landing{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;background:radial-gradient(1200px 600px at 50% -10%,#1b1b1f 0%,transparent 60%),var(--bg)}.landing-card{width:100%;max-width:440px;background:var(--bg-elev);border:1px solid var(--border);border-radius:16px;padding:32px;box-shadow:0 24px 64px #0006}.landing-title{font-size:24px;font-weight:650;letter-spacing:-.02em;margin:20px 0 8px}.landing-sub{color:var(--text-dim);margin:0 0 24px;font-size:14px}.landing-form{display:flex;flex-direction:column;gap:16px}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:12px;color:var(--text-dim);font-weight:500}.input{background:var(--bg-input);border:1px solid var(--border-strong);border-radius:var(--radius-sm);color:var(--text);padding:10px 12px;font-size:14px;font-family:inherit;outline:none;transition:border-color .12s ease}.input:focus{border-color:var(--accent)}.form-error{color:var(--red);font-size:13px;background:#2a1715;border:1px solid #4a241f;border-radius:var(--radius-sm);padding:8px 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auto;display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;background:none;border:none;border-radius:var(--radius-sm);color:var(--text-dim);transition:background .12s ease,color .12s ease}.attach-btn:hover:not(:disabled){background:var(--bg-elev-2);color:var(--text)}.attach-btn:disabled{opacity:.5;cursor:not-allowed}.attach-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.attach-chip{display:inline-flex;align-items:center;gap:6px;max-width:240px;background:var(--bg-input);border:1px solid var(--border-strong);border-radius:999px;padding:4px 6px 4px 8px;font-size:12px;color:var(--text)}.attach-chip-error{border-color:#4a241f;background:#2a1715}.attach-chip-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attach-chip-errmsg{color:var(--red);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:120px}.attach-chip-remove{flex:0 0 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6px}.preview-building-badge{position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;gap:7px;background:#14120ceb;color:var(--amber);border:1px solid #4a3a1c;border-radius:999px;padding:5px 12px;font-size:12px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.render-error-banner{position:absolute;left:12px;right:12px;bottom:12px;display:flex;flex-direction:column;gap:3px;background:#2a1715;border:1px solid #4a241f;color:#f0c0b8;border-radius:var(--radius-sm);padding:10px 12px;font-size:12px;box-shadow:0 8px 24px #00000080}.render-error-banner strong{color:var(--red);font-size:11px;text-transform:uppercase;letter-spacing:.05em}.render-error-msg{font-family:var(--mono);word-break:break-word}.history{flex:0 0 auto;max-height:16%;display:flex;flex-direction:column;border-top:1px solid 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var(--border-strong);border-radius:var(--radius-sm);box-shadow:0 8px 24px #00000073;display:flex;flex-direction:column}.ctx-menu-item{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:0;text-align:left;padding:7px 10px;border-radius:var(--radius-sm);font-size:13px;color:var(--text);cursor:pointer}.ctx-menu-item:hover{background:var(--bg-input)}.ctx-menu-danger{color:var(--red, #f87171)}.ctx-menu-danger:hover{background:#2a1416;color:#fca5a5}.presence{display:flex;align-items:center;gap:8px}.presence-avatars{display:flex}.presence-avatar{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:650;color:#fff;border:2px solid 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var(--border-strong);color:var(--text-faint)}.role-owner{color:var(--accent);border-color:#4a3128;background:#221512}.role-editor{color:var(--blue);border-color:#25365a;background:#121826}.role-viewer{color:var(--text-faint)}.user-menu{position:relative;flex:0 0 auto;border-top:1px solid var(--border);padding:8px}.user-menu-trigger{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:none;border:none;padding:6px 8px;border-radius:var(--radius-sm);color:var(--text)}.user-menu-trigger:hover{background:var(--bg-elev-2)}.user-menu-avatar{width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex:0 0 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