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var(--border);flex-shrink:0}.history-modal-title{font-family:var(--font-display);font-weight:600;font-size:var(--fs-md);color:var(--text);margin:0}.history-modal-close{background:transparent;border:none;color:var(--text-dim);padding:6px;border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;transition:background-color var(--t-fast) var(--ease-out-expo),color var(--t-fast) var(--ease-out-expo)}.history-modal-close:hover{background:var(--surface-2);color:var(--text)}.history-modal-body{overflow-y:auto;padding:var(--space-3)}.history-modal-status,.history-modal-empty{text-align:center;color:var(--text-dim);padding:var(--space-8) var(--space-4)}.history-modal-empty{display:flex;flex-direction:column;align-items:center;gap:var(--space-2)}.history-modal-empty svg{color:var(--accent);margin-bottom:var(--space-2)}.history-modal-empty-sub{font-size:var(--fs-sm)}.history-thread-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}.history-thread-row{display:flex;align-items:center;width:100%;padding:var(--space-3) var(--space-4);background:transparent;border:1px solid transparent;border-radius:var(--radius-md);color:var(--text);font-family:var(--font-body);text-align:left;cursor:pointer;transition:background-color var(--t-fast) var(--ease-out-expo),border-color var(--t-fast) var(--ease-out-expo)}.history-thread-row:hover:not(:disabled){background:var(--surface-2);border-color:var(--border)}.history-thread-row:disabled{opacity:.5;cursor:not-allowed}.history-thread-row-text{flex:1;min-width:0}.history-thread-row-title{font-size:var(--fs-md);color:var(--text);margin:0;line-height:var(--lh-snug);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.history-thread-row-meta{font-size:var(--fs-xs);color:var(--text-dim);margin:4px 0 0;display:flex;align-items:center;gap:6px}.history-thread-row-sep{opacity:.5}.settings-section{padding:var(--space-3) 0}.settings-section-title{font-size:var(--fs-xs);font-weight:700;text-transform:uppercase;letter-spacing:var(--tracking-eyebrow);color:var(--text-dim);margin:0 0 var(--space-3) 0;padding:0 var(--space-2)}.settings-option-list{display:flex;flex-direction:column;gap:var(--space-2)}.settings-option{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-3);background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--t-fast) var(--ease-out-expo),border-color var(--t-fast) var(--ease-out-expo)}.settings-option:hover{background:var(--surface);border-color:var(--border-hover)}.settings-option.is-selected{background:var(--accent-dim);border-color:var(--accent)}.settings-option-radio{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.settings-option:focus-within{outline:2px solid var(--accent);outline-offset:2px}.settings-option-icon{color:var(--text-dim);flex-shrink:0;margin-top:2px}.settings-option.is-selected .settings-option-icon{color:var(--accent)}.settings-option-text{flex:1;min-width:0}.settings-option-label{font-size:var(--fs-md);font-weight:600;color:var(--text);line-height:var(--lh-tight);margin-bottom:2px}.settings-option-hint{font-size:var(--fs-xs);color:var(--text-dim);line-height:var(--lh-snug)}.help-modal-lede{font-family:var(--font-display);font-weight:600;font-size:var(--fs-lg);color:var(--text);margin:0 0 var(--space-4) 0}.help-modal-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--space-3);font-size:var(--fs-md);line-height:var(--lh-relaxed);color:var(--text)}.help-modal-list li{padding-left:var(--space-4);position:relative}.help-modal-list li:before{content:"";position:absolute;left:0;top:.6em;width:6px;height:6px;border-radius:var(--radius-pill);background:var(--accent)}.help-modal-list strong{color:var(--text);font-weight:600}.plan-modal-header{padding:var(--space-3) 0;text-align:left}.plan-modal-tier-name{font-family:var(--font-display);font-size:var(--fs-xl);font-weight:700;color:var(--text)}.plan-modal-tier-price{font-size:var(--fs-md);color:var(--text-dim);margin-top:2px}.plan-modal-tier-desc{margin:var(--space-2) 0 0;color:var(--text-dim);font-size:var(--fs-sm);line-height:var(--lh-tight, 1.4)}.plan-modal-tier-status{margin:var(--space-3) 0 0;padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);background:var(--surface-2);font-size:var(--fs-sm);color:var(--text)}.plan-modal-tier-status.warn{border:1px solid var(--orange, #c97a1d);background:color-mix(in srgb,var(--orange, #c97a1d) 8%,var(--surface))}.plan-modal-tier-status.danger{border:1px solid var(--red, #c0392b);background:color-mix(in srgb,var(--red, #c0392b) 8%,var(--surface))}.plan-modal-usage{padding:var(--space-3) 0;border-top:1px solid var(--border)}.plan-modal-section-title{font-size:var(--fs-xs);font-weight:700;text-transform:uppercase;letter-spacing:var(--tracking-eyebrow);color:var(--text-dim);margin:0 0 var(--space-3) 0;padding:0 var(--space-2)}.plan-modal-usage-row{margin-bottom:var(--space-3);padding:0 var(--space-2)}.plan-modal-usage-row:last-child{margin-bottom:0}.plan-modal-usage-head{display:flex;justify-content:space-between;align-items:baseline;font-size:var(--fs-sm);color:var(--text);margin-bottom:6px}.plan-modal-usage-label{color:var(--text)}.plan-modal-usage-counts{font-variant-numeric:tabular-nums;color:var(--text)}.plan-modal-usage-counts strong{font-weight:600}.plan-modal-usage-dim{color:var(--text-dim)}.plan-modal-usage-track{width:100%;height:6px;border-radius:var(--radius-pill, 9999px);background:var(--surface-2);overflow:hidden}.plan-modal-usage-fill{height:100%;background:var(--accent);transition:width .2s ease}.plan-modal-usage-fill.warn{background:var(--orange, #c97a1d)}.plan-modal-usage-fill.danger{background:var(--red, #c0392b)}.plan-modal-manage{padding:var(--space-3) var(--space-2);border-top:1px solid var(--border)}.plan-modal-manage-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;text-decoration:none;font-size:var(--fs-md)}.plan-modal-manage-link:hover{text-decoration:underline}.plan-modal-manage-hint{margin:var(--space-2) 0 0;color:var(--text-dim);font-size:var(--fs-sm)}.prev-conv-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}.prev-conv-row{display:flex;align-items:stretch;gap:2px;border-radius:var(--radius-sm);transition:background-color var(--t-fast) var(--ease-out-expo)}.prev-conv-row:hover,.prev-conv-row:has(:focus-visible){background:var(--surface-2)}.prev-conv-row.is-busy{opacity:.6}.prev-conv-row-main{flex:1;min-width:0;display:flex;align-items:flex-start;gap:8px;padding:6px 8px;background:transparent;border:none;color:var(--text);text-align:left;cursor:pointer;font-family:var(--font-body);border-radius:var(--radius-sm)}.prev-conv-row-main:disabled{cursor:not-allowed}.prev-conv-row-icon{color:var(--text-dim);flex-shrink:0;margin-top:4px}.prev-conv-row-text{flex:1;min-width:0}.prev-conv-row-title{font-size:var(--fs-sm);color:var(--text);line-height:var(--lh-snug);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.prev-conv-row-meta{font-size:var(--fs-xs);color:var(--text-dim);margin:2px 0 0;display:flex;align-items:center;gap:4px}.prev-conv-row-sep{opacity:.5}.prev-conv-row-actions{display:flex;align-items:center;gap:0;padding-right:4px;opacity:0;pointer-events:none;transition:opacity var(--t-fast) var(--ease-out-expo)}.prev-conv-row:hover .prev-conv-row-actions,.prev-conv-row:has(:focus-visible) .prev-conv-row-actions{opacity:1;pointer-events:auto}.prev-conv-row-action{display:flex;align-items:center;justify-content:center;width:24px;height:24px;background:transparent;color:var(--text-dim);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--t-fast) var(--ease-out-expo),color var(--t-fast) var(--ease-out-expo)}.prev-conv-row-action:hover:not(:disabled){background:var(--surface);color:var(--text)}.prev-conv-row-action:disabled{cursor:not-allowed;opacity:.5}.prev-conv-row-action-delete:hover:not(:disabled){background:var(--red-bg);color:var(--red)}.sidebar-recent-empty-error{color:var(--red)}.confirm-dialog{width:min(380px,90vw);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:var(--space-5);display:flex;flex-direction:column;gap:var(--space-3);animation:history-modal-pop var(--t-base) var(--ease-out-spring)}.confirm-dialog-title{font-family:var(--font-display);font-weight:600;font-size:var(--fs-lg);color:var(--text);margin:0}.confirm-dialog-message{font-size:var(--fs-sm);color:var(--text-dim);line-height:var(--lh-relaxed);margin:0}.confirm-dialog-actions{display:flex;justify-content:flex-end;gap:var(--space-2);margin-top:var(--space-2)}.confirm-dialog-btn{padding:8px 14px;border-radius:var(--radius-md);font-family:var(--font-body);font-size:var(--fs-sm);font-weight:600;cursor:pointer;transition:background-color var(--t-fast) var(--ease-out-expo),border-color var(--t-fast) var(--ease-out-expo)}.confirm-dialog-btn:disabled{opacity:.5;cursor:not-allowed}.confirm-dialog-btn-cancel{background:transparent;color:var(--text);border:1px solid var(--border)}.confirm-dialog-btn-cancel:hover:not(:disabled){background:var(--surface-2);border-color:var(--border-hover)}.confirm-dialog-btn-confirm{background:var(--accent);color:var(--bg);border:1px solid var(--accent)}.confirm-dialog-btn-confirm:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.confirm-dialog-btn-destructive{background:var(--red);color:#fff;border:1px solid var(--red)}.confirm-dialog-btn-destructive:hover:not(:disabled){background:#d65a5a;border-color:#d65a5a}