:root{--page: #ffffff;--sidebar: #f7f7f8;--sidebar-hover: #ececee;--text: #202123;--muted: #6b7280;--border: #e5e5e5;--soft-border: #eeeeee;--accent: #10a37f;--accent-strong: #0c8f71;--blue: #3b82f6;--danger: #b42318;--shadow: 0 18px 50px rgba(0, 0, 0, .08);color:var(--text);background:var(--page);font-family:Inter,PingFang SC,Microsoft YaHei,Arial,sans-serif}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.entry-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:#f7f7f8}.entry-card{width:min(460px,100%);border:1px solid var(--border);border-radius:14px;background:#fff;box-shadow:var(--shadow);padding:28px}.entry-actions{display:grid;gap:12px;margin-top:22px}.entry-actions a{display:block;text-decoration:none;text-align:center;border-radius:10px;padding:13px 16px;font-weight:700;color:#fff;background:var(--accent)}.entry-actions a+a{color:var(--text);background:#f2f2f3}.app-logo{display:flex;align-items:center;gap:12px}.app-logo.compact{margin-bottom:34px}.app-logo strong{display:block;font-size:18px}.app-logo span{display:block;color:var(--muted);font-size:13px}.logo-mark,.avatar,.message-avatar{display:grid;place-items:center;font-weight:800}.logo-mark{width:38px;height:38px;border-radius:12px;color:#fff;background:var(--accent)}.chatgpt-shell{min-height:100vh;display:grid;grid-template-columns:286px minmax(0,1fr);background:var(--page)}.chat-sidebar{height:100vh;position:sticky;top:0;display:grid;grid-template-rows:auto minmax(0,1fr) auto;background:var(--sidebar);border-right:1px solid var(--soft-border)}.sidebar-top{padding:16px 12px 10px}.sidebar-brand{display:flex;align-items:center;justify-content:space-between;padding:4px 8px 18px}.sidebar-brand strong{font-size:19px;letter-spacing:0}.sidebar-brand button,.chat-topbar button,.round-tool,.send-button{border:0;background:transparent;cursor:pointer}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.sidebar-action,.sidebar-search{min-height:40px;display:flex;align-items:center;gap:10px;width:100%;border:0;border-radius:10px;padding:0 12px;color:var(--text);background:transparent;text-decoration:none;cursor:pointer}.sidebar-action.active,.sidebar-action:hover,.sidebar-search:focus-within{background:var(--sidebar-hover)}.sidebar-search input{min-width:0;width:100%;border:0;outline:0;background:transparent}.sidebar-status{display:flex;flex-wrap:wrap;gap:8px;padding:14px 8px 0}.sidebar-status span{border:1px solid var(--border);border-radius:999px;padding:5px 9px;color:var(--muted);background:#fff;font-size:12px}.history-block{min-height:0;padding:10px 8px;overflow-y:auto}.history-block h2{margin:12px 8px 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auto;background:#fff}.chat-topbar{display:flex;justify-content:space-between;align-items:center;padding:0 22px;color:var(--muted);font-size:14px}.chat-topbar button{color:var(--muted);font-size:13px}.chat-thread{overflow-y:auto;padding:28px min(8vw,120px) 24px}.chat-thread.empty-state{display:grid;align-items:center;padding-bottom:0}.ready-state{margin:0 auto;text-align:center;transform:translateY(60px)}.ready-state h1{margin:0;font-size:26px;font-weight:650}.ready-state p{margin:12px 0 0;color:var(--muted)}.chat-message{width:min(820px,100%);margin:0 auto 24px;display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px}.message-avatar{width:32px;height:32px;border-radius:50%;font-size:13px}.chat-message.user .message-avatar{color:#fff;background:#111827}.chat-message.assistant .message-avatar{color:#fff;background:var(--accent)}.message-content{line-height:1.75;white-space:pre-wrap}.message-content 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button:disabled{opacity:.5;cursor:not-allowed}.notice{margin:0;color:var(--accent-strong);font-weight:700}.table-panel{overflow:hidden}.table-title{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--border)}.table-title h2{margin:0;font-size:16px}.table-title span{color:var(--muted);font-size:13px}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;min-width:560px}th,td{padding:14px 16px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top;font-size:14px}th{color:var(--muted);background:#fbfbfc;font-weight:800}td small{display:block;color:var(--muted);margin-top:4px}.ghost-button{border:1px solid var(--border);background:#fff;color:var(--danger);border-radius:8px;padding:7px 10px;cursor:pointer}.empty-cell{color:var(--muted);text-align:center;padding:40px}@media(max-width:1120px){.admin-grid{grid-template-columns:1fr}}@media(max-width:760px){.chatgpt-shell,.admin-layout{grid-template-columns:1fr}.chat-sidebar{position:relative;height:auto;max-height:46vh;border-right:0;border-bottom:1px solid var(--border)}.chat-surface{min-height:54vh}.chat-thread{padding:20px 16px}.ready-state{transform:none}.gpt-composer{grid-template-columns:30px minmax(0,1fr) 36px}.gpt-composer select{display:none}.admin-nav{border-right:0;border-bottom:1px solid var(--border)}.admin-main{padding:16px}}