:root{--bg:#f6f7fb;--card:#fff;--text:#172033;--muted:#778197;--line:#e8ecf3;--primary:#1677ff;--green:#16a34a;--yellow:#d97706;--red:#dc2626;--shadow:0 10px 30px rgba(20,30,55,.08)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif}body.dark{--bg:#0d1117;--card:#161b22;--text:#e6edf3;--muted:#9ba6b5;--line:#30363d;--shadow:none}.sidebar{position:fixed;inset:0 auto 0 0;width:238px;background:var(--card);border-right:1px solid var(--line);padding:18px;z-index:10}.brand{font-weight:800;font-size:20px;margin:8px 0 18px}.sidebar a{display:block;padding:11px 12px;border-radius:12px;color:var(--text);text-decoration:none;margin:3px 0}.sidebar a:hover{background:rgba(22,119,255,.1);color:var(--primary)}.main{margin-left:238px;min-height:100vh}.login-main{margin-left:0}.topbar{position:sticky;top:0;z-index:5;backdrop-filter:blur(18px);background:rgba(246,247,251,.78);border-bottom:1px solid var(--line);padding:12px 22px;display:flex;gap:12px;align-items:center}.dark .topbar{background:rgba(13,17,23,.78)}.topbar h1{font-size:20px;margin:0;flex:1}.menu-btn,.theme-btn{border:0;background:var(--card);padding:9px 12px;border-radius:10px;color:var(--text);box-shadow:var(--shadow)}.menu-btn{display:none}.content{padding:22px;max-width:1280px}.grid{display:grid;gap:16px}.cards-2{grid-template-columns:repeat(2,minmax(0,1fr))}.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow);margin-bottom:16px}.hero{background:linear-gradient(135deg,rgba(22,119,255,.15),rgba(22,163,74,.10)),var(--card)}h2{margin:0 0 12px}.muted{color:var(--muted)}.btn{display:inline-block;border:1px solid var(--line);background:var(--card);color:var(--text);padding:10px 14px;border-radius:12px;text-decoration:none;cursor:pointer}.btn.primary{background:var(--primary);color:white;border-color:var(--primary)}input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--text);margin:6px 0 12px}label{display:block;font-weight:600;margin-top:8px}.alert{padding:12px;border-radius:12px;margin:8px 0}.red{background:rgba(220,38,38,.1);color:var(--red)}.yellow{background:rgba(217,119,6,.12);color:var(--yellow)}.tag{display:inline-block;border-radius:999px;padding:4px 10px;background:rgba(22,119,255,.1);color:var(--primary);font-size:12px}.tag.completed{background:rgba(22,163,74,.12);color:var(--green)}.tag.failed{background:rgba(220,38,38,.12);color:var(--red)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:760px}th,td{padding:11px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{color:var(--muted);font-weight:700}.progress{height:12px;background:var(--line);border-radius:99px;overflow:hidden}.progress i{display:block;height:100%;background:var(--primary);transition:.25s}.hidden{display:none}.fresh-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.fresh{border:1px solid var(--line);border-radius:16px;padding:14px}.fresh b,.fresh span,.fresh small{display:block}.fresh span{font-size:24px;font-weight:800;margin:6px 0}.section-title{display:flex;justify-content:space-between;align-items:center;gap:12px}.preline{white-space:pre-line;line-height:1.75}.login-card{max-width:420px;margin:9vh auto}.chat-box{min-height:260px;background:var(--bg);border-radius:16px;padding:14px;margin-bottom:12px}.msg{padding:12px;border-radius:14px;margin:8px 0;white-space:pre-line}.msg.user{background:rgba(22,119,255,.14)}.msg.ai{background:var(--card);border:1px solid var(--line)}.inline-form{display:flex;gap:6px;align-items:center}.inline-form>*{margin:0}.rule-form{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}.rule-form>*{margin:0}pre{white-space:pre-wrap;background:var(--bg);border-radius:14px;padding:14px;overflow:auto}@media(max-width:900px){.sidebar{transform:translateX(-100%);transition:.2s}.nav-open .sidebar{transform:none}.main{margin-left:0}.menu-btn{display:inline-block}.content{padding:14px}.cards-2,.cards-3,.fresh-grid{grid-template-columns:1fr}.card{border-radius:18px;padding:16px}.topbar{padding:10px 14px}.rule-form{grid-template-columns:1fr}.inline-form{display:grid;grid-template-columns:1fr}.login-card{margin:4vh 12px}}#toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%);background:#111;color:white;padding:10px 16px;border-radius:12px;display:none;z-index:99}
.cards-4{grid-template-columns:repeat(4,minmax(0,1fr))}.mini-card{border:1px solid var(--line);border-radius:16px;padding:14px;background:var(--bg)}.tag.ok{background:rgba(22,163,74,.12);color:var(--green)}.tag.warn{background:rgba(217,119,6,.12);color:var(--yellow)}.tag.bad{background:rgba(220,38,38,.12);color:var(--red)}@media(max-width:900px){.cards-4{grid-template-columns:1fr}}
.link-logout{display:block;width:100%;text-align:left;background:transparent;border:0;color:inherit;padding:10px 12px;border-radius:10px;cursor:pointer;font:inherit}.link-logout:hover{background:rgba(22,119,255,.08)}.inline-form{display:inline}.btn.small{padding:6px 10px;font-size:12px}.alert.yellow{background:#fffbe6;color:#8a5a00;border:1px solid #ffe58f}


/* V2.3.9 trend final repair */
.upload-card input[type=file]{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.file-picker{border:1px dashed var(--line);border-radius:16px;padding:14px;margin:12px 0;background:rgba(22,119,255,.035)}
.file-pick-label{display:block;margin:0;padding:18px;border-radius:14px;background:var(--card);border:1px solid var(--line);cursor:pointer;text-align:center}
.file-pick-label b{display:block;font-size:17px;margin-bottom:6px;color:var(--primary)}
.file-pick-label span{display:block;color:var(--muted);font-size:13px;line-height:1.5}.selected-file{margin-top:10px;word-break:break-all;line-height:1.5}.upload-btn{min-height:44px}.mobile-help{font-size:13px;line-height:1.7;margin-top:8px}
@media(max-width:900px){.upload-card{padding:18px}.file-pick-label{padding:20px 14px}.upload-btn{width:100%;font-size:16px;margin-top:8px}.progress-box{margin-top:12px}.selected-file{font-size:13px}}