:root{color-scheme:light;--bg: #faf9f7;--sidebar-bg: #f4f2ef;--border: #e6e3de;--text: #1f1d1a;--text-muted: #756f66;--accent: #c05a2c;font-family:-apple-system,Segoe UI,Inter,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app-shell{display:flex;min-height:100vh}.sidebar{width:260px;flex-shrink:0;background:var(--sidebar-bg);border-right:1px solid var(--border);padding:20px 16px;display:flex;flex-direction:column;gap:4px}.sidebar-brand{display:block;font-weight:600;font-size:15px;margin-bottom:18px;color:var(--text);text-decoration:none}.sidebar nav a{display:block;padding:8px 10px;border-radius:6px;color:var(--text);text-decoration:none;font-size:14px}.sidebar nav a.active,.sidebar nav a:hover{background:#fff}.sidebar-section-gap{height:14px}.sidebar-footer{margin-top:auto;font-size:13px;color:var(--text-muted);border-top:1px solid var(--border);padding-top:12px}.main{flex:1;padding:32px 40px;max-width:1000px}.mobile-topbar{display:none}@media (max-width: 820px){.app-shell{flex-direction:column}.sidebar{position:fixed;top:0;left:0;bottom:0;width:min(260px,80vw);z-index:20;transform:translate(-100%);transition:transform .2s ease}.sidebar.open{transform:translate(0)}.mobile-topbar{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0}.main{padding:20px;max-width:100%}}.card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:12px}h1{font-size:22px;margin:0 0 18px}label{display:block;font-size:13px;color:var(--text-muted);margin:10px 0 4px}input[type=text],input[type=password],input[type=search],textarea,select{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:14px;font-family:inherit;background:#fff}button{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:8px 14px;font-size:14px;cursor:pointer}button.secondary{background:#fff;color:var(--text);border:1px solid var(--border)}.error-text{color:#b3261e;font-size:13px;margin-top:6px}.muted{color:var(--text-muted);font-size:13px}.tag-pill{display:inline-block;background:var(--sidebar-bg);border:1px solid var(--border);border-radius:999px;padding:2px 10px;font-size:12px;margin-right:6px}.home{max-width:760px;margin:0 auto}.home-hero{text-align:center;padding:60px 0 20px}.home-mark{width:44px;height:44px;margin:0 auto 20px;border-radius:12px;background:linear-gradient(135deg,var(--accent),#e08a52)}.home-welcome{font-size:30px;margin:0 0 8px;font-weight:600}.home-subtitle{color:var(--text-muted);margin:0 0 28px;font-size:15px}.composer-box{text-align:left;background:#fff;border:1px solid var(--border);border-radius:14px;padding:14px 16px;box-shadow:0 1px 2px #00000008}.composer-box textarea{border:none;padding:4px 0;resize:none;font-size:15px}.composer-box textarea:focus{outline:none}.composer-actions{display:flex;align-items:center;justify-content:space-between;margin-top:8px}.composer-box-dragover{border-color:var(--accent);background:#fdf6f1}.attach-button{width:32px;height:32px;padding:0;font-size:18px;line-height:1;border-radius:8px}.attach-menu{position:absolute;top:38px;left:0;z-index:5;display:flex;flex-direction:column;gap:4px;background:#fff;border:1px solid var(--border);border-radius:8px;padding:6px;box-shadow:0 4px 12px #00000014;min-width:190px}.attach-menu button{text-align:left;white-space:nowrap}.attach-menu-files{max-height:220px;overflow-y:auto}.attachment-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.attachment-chip{display:inline-flex;align-items:center;gap:6px;background:var(--sidebar-bg);border:1px solid var(--border);border-radius:999px;padding:4px 8px 4px 6px;font-size:13px;max-width:220px}.attachment-chip-error{border-color:#b3261e;background:#fdecea}.attachment-thumb{width:20px;height:20px;border-radius:4px;object-fit:cover}.attachment-icon{font-size:14px}.attachment-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attachment-remove,.attachment-retry{background:none;color:var(--text-muted);border:none;padding:0 2px;font-size:13px;cursor:pointer;line-height:1}.attachment-retry{color:var(--accent);text-decoration:underline;white-space:nowrap}.quick-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:20px}.quick-action-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px 14px;text-align:left;display:flex;flex-direction:column;gap:4px;cursor:pointer;color:var(--text)}.quick-action-card:hover{background:var(--sidebar-bg)}.quick-action-card strong{font-size:13px}.quick-action-card .muted{font-size:12px}@media (max-width: 820px){.quick-actions{grid-template-columns:1fr 1fr}.home-hero{padding:24px 0 12px}.attach-button{width:44px;height:44px;font-size:22px}}.recent-work{margin-top:44px}.recent-work h2{font-size:14px;color:var(--text-muted);font-weight:500;margin-bottom:8px}.recent-work-row{display:flex;justify-content:space-between;padding:10px 4px;border-bottom:1px solid var(--border);cursor:pointer;font-size:14px}.recent-work-row:hover{background:var(--sidebar-bg)}.sidebar-recent-item{display:block;padding:6px 10px;font-size:13px;color:var(--text-muted);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-recent-item:hover{color:var(--text)}.sidebar-heading{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);padding:6px 10px 2px}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{width:320px}