:root{--bg: #0f1115;--panel: #181b22;--panel-2: #20242d;--border: #2a2f3a;--text: #e6e8ee;--muted: #9aa3b2;--accent: #4f8cff;--accent-2: #7ab8ff;--ok: #3ecf8e;--warn: #f5a623;--err: #ff6b6b}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,sans-serif}a{color:var(--accent-2);text-decoration:none}a:hover{text-decoration:underline}button,.btn{font:inherit;cursor:pointer;padding:8px 14px;border-radius:8px;border:1px solid var(--border);background:var(--panel-2);color:var(--text)}button:hover,.btn:hover{border-color:var(--accent)}button.primary,.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{filter:brightness(1.1)}button.danger{background:transparent;border-color:#ff6b6b80;color:var(--err)}input,textarea,select{font:inherit;padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:var(--panel-2);color:var(--text);width:100%}label{display:block;color:var(--muted);font-size:.85rem;margin:10px 0 4px}header.topbar{display:flex;align-items:center;gap:1.5rem;padding:.9rem 1.5rem;background:var(--panel);border-bottom:1px solid var(--border)}header.topbar .brand{font-weight:600;letter-spacing:.2px}header.topbar nav{display:flex;gap:1rem;font-size:.95rem;color:var(--muted);flex:1}header.topbar nav a{color:var(--muted)}header.topbar nav a:hover{color:var(--text)}header.topbar .user{color:var(--muted);font-size:.85rem;display:flex;align-items:center;gap:.6rem}main{max-width:1200px;margin:0 auto;padding:2rem 1.5rem 4rem}h1{margin:0 0 .5rem;font-size:1.6rem}h2{font-size:1.15rem;margin:1.5rem 0 .5rem}.sub{color:var(--muted);margin:0 0 2rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:1.25rem 1.4rem}.card+.card{margin-top:1rem}.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--panel-2);padding:2px 6px;border-radius:4px;font-size:.85rem}pre{padding:12px;overflow:auto}.pill{display:inline-block;padding:2px 8px;border-radius:999px;font-size:.8rem;background:var(--panel-2);color:var(--muted);border:1px solid var(--border)}.pill.ok{color:var(--ok);border-color:#3ecf8e59}.pill.warn{color:var(--warn);border-color:#f5a62359}.pill.err{color:var(--err);border-color:#ff6b6b59}table{width:100%;border-collapse:collapse;font-size:.9rem}th{text-align:left;color:var(--muted);font-weight:500;padding:8px 10px;border-bottom:1px solid var(--border)}td{padding:8px 10px;border-bottom:1px solid var(--border);vertical-align:top}tr:hover td{background:#ffffff05}.toolbar{display:flex;gap:8px;align-items:center;margin:12px 0;flex-wrap:wrap}footer{color:var(--muted);font-size:.85rem;text-align:center;padding:2rem 1rem}.muted{color:var(--muted)}.drop{border:2px dashed var(--border);border-radius:10px;padding:28px;text-align:center;color:var(--muted)}.drop.drag{border-color:var(--accent);background:#4f8cff0d;color:var(--text)}.guide-chat-root{font-size:.9rem}.guide-chat-fab{position:fixed;bottom:1.1rem;right:1.1rem;z-index:9998;border-radius:999px;padding:12px 18px;font-weight:600;box-shadow:0 6px 28px #00000073}.guide-chat-panel{position:fixed;bottom:4.6rem;right:1.1rem;z-index:9999;width:min(400px,calc(100vw - 2.2rem));max-height:min(520px,72vh);display:none;flex-direction:column;background:var(--panel);border:1px solid var(--border);border-radius:12px;box-shadow:0 12px 40px #00000080;overflow:hidden}.guide-chat-panel--open{display:flex}.guide-chat-header{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid var(--border);font-weight:600;background:var(--panel-2)}.guide-chat-header button{padding:2px 10px;font-size:1.25rem;line-height:1;border:none;background:transparent;color:var(--muted)}.guide-chat-header button:hover{color:var(--text);border:none}.guide-chat-intro{margin:0;padding:10px 12px;font-size:.8rem;border-bottom:1px solid var(--border)}.guide-chat-log{flex:1;min-height:140px;overflow-y:auto;padding:10px 12px;display:flex;flex-direction:column;gap:10px}.guide-chat-bubble{max-width:100%}.guide-chat-bubble--user .guide-chat-bubble-text{margin-left:2rem;padding:8px 11px;border-radius:10px;background:var(--panel-2);border:1px solid var(--border);white-space:pre-wrap;word-break:break-word}.guide-chat-bubble--assistant .guide-chat-bubble-text{margin-right:1rem;padding:8px 11px;border-radius:10px;background:#4f8cff1f;border:1px solid rgba(79,140,255,.28);white-space:pre-wrap;word-break:break-word}.guide-chat-form{padding:10px 12px 12px;border-top:1px solid var(--border)}.guide-chat-input{resize:vertical;min-height:52px;margin-bottom:8px}.guide-chat-toolbar{display:flex;justify-content:flex-end}.guide-chat-err{color:var(--err);font-size:.85rem;margin:6px 0 0}