.writing-history-page{box-sizing:border-box;width:100%;max-width:1100px;margin:0 auto;padding:32px 20px;overflow:hidden}.writing-history-header{justify-content:space-between;align-items:center;margin-bottom:22px;display:flex}.writing-history-header h1{letter-spacing:-.02em;color:var(--theme-text-primary);margin:0;font-size:28px;font-weight:700}.back-btn{color:#fff;letter-spacing:-.01em;cursor:pointer;background:#0071e3;border:1px solid #0000;border-radius:980px;padding:9px 18px;font-size:14px;font-weight:600;transition:background-color .2s}.back-btn:hover{background:#06c}.history-empty{border:1px solid var(--theme-border);background:var(--theme-card-bg);color:var(--theme-text-tertiary);text-align:center;border-radius:16px;padding:72px 24px;font-size:15px}.history-error{color:var(--theme-text-primary);text-align:center;background:#ff3b3012;border:1px solid #ff3b3047;border-radius:16px;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;padding:22px 24px;font-size:15px;display:flex}.history-retry{border:1px solid var(--theme-border);background:var(--theme-card-bg);color:var(--theme-text-primary);cursor:pointer;border-radius:980px;padding:7px 14px;font-size:13px;font-weight:600;transition:background-color .2s,border-color .2s}.history-retry:hover{border-color:var(--theme-text-tertiary);background:var(--theme-bg-secondary)}.history-retry:disabled{cursor:wait;opacity:.6}.history-list{flex-direction:column;gap:16px;min-width:0;display:flex;overflow:hidden}.history-card{border:1px solid var(--theme-border);background:var(--theme-card-bg);box-sizing:border-box;border-radius:16px;padding:20px;transition:box-shadow .3s,border-color .3s;overflow:hidden;box-shadow:0 1px 2px #00000008,0 10px 30px -16px #00000024}.history-card:hover{border-color:var(--theme-text-tertiary);box-shadow:0 1px 2px #00000008,0 18px 44px -20px #00000038}.history-card-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;min-width:0;margin-bottom:10px;display:flex}.history-meta{font-weight:600}.history-time{color:var(--theme-text-secondary);font-size:12px}.delete-btn{color:#e6332a;cursor:pointer;background:#ff3b301f;border:1px solid #0000;border-radius:980px;padding:6px 14px;font-size:13px;font-weight:600;transition:background-color .2s}.delete-btn:hover{background:#ff3b3033}[data-theme=black] .delete-btn{color:#ff6961;background:#ff453a33}.history-section{min-width:0;margin-top:10px;overflow:hidden}.history-section pre{white-space:pre-wrap;word-break:break-word;overflow-wrap:break-word;background:var(--theme-bg-secondary);border:1px solid var(--theme-border);box-sizing:border-box;font-family:inherit;line-height:1.7;font-size:inherit;border-radius:12px;margin:0;padding:14px 16px;overflow:hidden}.history-section h3{margin:0 0 6px;font-size:14px}.history-text-block{white-space:pre-wrap;word-break:break-word;overflow-wrap:break-word;background:var(--theme-bg-secondary);border:1px solid var(--theme-border);box-sizing:border-box;border-radius:12px;margin:0;padding:14px 16px;line-height:1.7;overflow:hidden}.history-text-block .highlightable-text{display:block}.history-level-trend{border:1px solid var(--theme-border);background:var(--theme-card-bg);box-sizing:border-box;border-radius:16px;margin:16px 0;padding:20px;overflow:hidden}.history-level-trend h2{margin:0 0 10px;font-size:16px}.history-level-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;display:grid}.history-level-item{border:1px solid var(--theme-border);background:var(--theme-bg-secondary);border-radius:12px;padding:14px}.history-level-main{margin-bottom:4px;font-weight:700}.history-level-sub{color:var(--theme-text-secondary);margin-bottom:4px;font-size:13px}.history-level-time{color:var(--theme-text-secondary);font-size:12px}