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0;border:none;border-radius:6px;flex-shrink:0;place-items:center;transition:all .15s;display:grid}.history-card:hover .history-card__delete{opacity:1}.history-card__delete:hover{color:#ef4444;background:#ef44441a}.history-pagination{border-top:1px solid var(--border);justify-content:center;align-items:center;gap:16px;margin-top:32px;padding-top:24px;display:flex}.history-page-btn{border:1px solid var(--border);color:var(--text);font-family:var(--font-body);cursor:pointer;background:0 0;border-radius:8px;padding:8px 20px;font-size:13px;transition:all .15s}.history-page-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.history-page-btn:disabled{opacity:.4;cursor:not-allowed}.history-page-info{color:var(--text-secondary);text-align:center;min-width:60px;font-size:13px}.detail-page{flex-direction:column;align-items:center;min-height:100vh;padding:5.5rem clamp(1.5rem,5vw,4rem) 4rem;display:flex}.detail-loading{color:var(--text-secondary);flex-direction:column;align-items:center;gap:12px;padding:120px 0;font-size:14px;display:flex}.detail-spinner{border:2.5px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:28px;height:28px;animation:.7s linear infinite detail-spin}@keyframes detail-spin{to{transform:rotate(360deg)}}.detail-empty{color:var(--text-secondary);flex-direction:column;align-items:center;gap:16px;padding:120px 0;display:flex}.detail-back-btn{border:1px solid var(--border);color:var(--text);font-family:var(--font-body);cursor:pointer;background:0 0;border-radius:8px;padding:10px 24px;font-size:14px;transition:all .15s}.detail-back-btn:hover{border-color:var(--accent);color:var(--accent)}.detail-header{align-items:center;gap:16px;width:100%;max-width:760px;margin-bottom:32px;display:flex}.detail-back{border:1px solid var(--border);color:var(--text-secondary);font-family:var(--font-body);cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:6px;padding:8px 14px;font-size:13px;transition:all .15s;display:flex}.detail-back:hover{border-color:var(--accent);color:var(--accent)}.detail-title{font-family:var(--font-display);color:var(--text);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:20px;font-weight:600;overflow:hidden}.detail-date{color:var(--text-secondary);flex-shrink:0;font-size:13px}.detail-messages{flex-direction:column;gap:24px;width:100%;max-width:760px;display:flex}.detail-msg{gap:14px;display:flex}.detail-msg--user{flex-direction:row-reverse}.detail-msg__avatar{border-radius:50%;flex-shrink:0;place-items:center;width:34px;height:34px;display:grid}.detail-msg--user .detail-msg__avatar{background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary)}.detail-msg--assistant .detail-msg__avatar{background:var(--accent-gradient);color:#fff}.detail-msg__body{flex:1;min-width:0}.detail-msg--user .detail-msg__body{text-align:right}.detail-msg__header{align-items:center;gap:8px;margin-bottom:6px;display:flex}.detail-msg--user .detail-msg__header{justify-content:flex-end}.detail-msg__role{color:var(--text);font-size:13px;font-weight:500}.detail-msg__time{color:var(--text-secondary);font-size:11px}.detail-msg__text{text-align:left;color:var(--text);background:var(--bg-card);border:1px solid var(--border);word-break:break-word;border-radius:12px;max-width:100%;padding:14px 18px;font-size:14px;line-height:1.7;display:inline-block}.detail-msg--user .detail-msg__text{background:var(--accent-glow);border-color:var(--accent);color:var(--text)}.detail-msg__code{font-family:var(--font-mono);color:#e4e4e7;background:#1e1e1e;border-radius:8px;margin:10px 0;padding:14px 16px;font-size:13px;line-height:1.6;overflow-x:auto}.detail-msg__code code{font-family:inherit}.detail-msg__preview{border:1px solid var(--border);background:var(--bg-card);border-radius:12px;margin-bottom:8px;overflow:hidden}.detail-msg__actions{flex-wrap:wrap;gap:8px;display:flex}.detail-msg__action-btn{border:1px solid var(--border);background:var(--bg-card);color:var(--text-secondary);font-family:var(--font-body);cursor:pointer;border-radius:8px;align-items:center;gap:6px;padding:7px 14px;font-size:12px;transition:all .15s;display:inline-flex}.detail-msg__action-btn:hover{border-color:var(--accent);color:var(--accent)}.detail-footer{text-align:center;width:100%;max-width:760px;margin-top:40px}.detail-continue-btn{background:var(--accent-gradient);color:#fff;font-family:var(--font-body);cursor:pointer;border:none;border-radius:10px;align-items:center;gap:8px;padding:12px 28px;font-size:14px;font-weight:500;transition:opacity .15s;display:inline-flex}.detail-continue-btn:hover{opacity:.9}.detail-fullscreen{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0009;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.detail-fullscreen__content{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;flex-direction:column;width:100%;max-width:960px;max-height:90vh;display:flex;overflow:hidden;box-shadow:0 16px 48px #0003}.detail-fullscreen__header{border-bottom:1px solid var(--border);font-family:var(--font-display);color:var(--text);justify-content:space-between;align-items:center;padding:14px 20px;font-size:15px;font-weight:600;display:flex}.detail-fullscreen__close{width:32px;height:32px;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;place-items:center;transition:all .15s;display:grid}.detail-fullscreen__close:hover{background:var(--bg-card-hover);color:var(--text)}.detail-fullscreen__body{flex:1;padding:20px;overflow:auto}.credits-page{justify-content:center;min-height:100vh;padding:5.5rem clamp(1.5rem,5vw,4rem) 4rem;display:flex}.credits-container{width:100%;max-width:720px}.credits-header{align-items:center;gap:16px;margin-bottom:24px;display:flex}.credits-back{border:1px solid var(--border);color:var(--text-secondary);font-family:var(--font-body);cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:6px;padding:8px 14px;font-size:13px;transition:all .15s;display:flex}.credits-back:hover{border-color:var(--accent);color:var(--accent)}.credits-header__title{font-family:var(--font-display);color:var(--text);flex:1;font-size:22px;font-weight:600}.credits-balance{background:var(--accent-gradient);color:#fff;border-radius:16px;align-items:center;gap:16px;margin-bottom:32px;padding:24px;display:flex}.credits-balance__icon{background:#fff3;border-radius:12px;flex-shrink:0;place-items:center;width:48px;height:48px;font-size:24px;display:grid}.credits-balance__info{flex:1}.credits-balance__label{opacity:.85;margin-bottom:4px;font-size:13px}.credits-balance__value{font-family:var(--font-display);font-size:32px;font-weight:700;line-height:1}.credits-section-title{font-family:var(--font-display);color:var(--text);margin-bottom:16px;font-size:16px;font-weight:600}.credits-loading{color:var(--text-secondary);flex-direction:column;align-items:center;gap:12px;padding:60px 0;font-size:14px;display:flex}.credits-spinner{border:2.5px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:28px;height:28px;animation:.7s linear infinite credits-spin}@keyframes credits-spin{to{transform:rotate(360deg)}}.credits-empty{color:var(--text-secondary);flex-direction:column;align-items:center;gap:12px;padding:60px 0;font-size:14px;display:flex}.credits-list{background:var(--border);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:1px;display:flex;overflow:hidden}.credits-item{background:var(--bg-card);align-items:center;gap:14px;padding:14px 18px;transition:background .15s;display:flex}.credits-item:hover{background:var(--accent-glow)}.credits-item__icon{border-radius:10px;flex-shrink:0;place-items:center;width:36px;height:36px;font-size:16px;display:grid}.credits-item__icon--gift{color:#16a34a;background:#16a34a1a}.credits-item__icon--deduct{color:#dc2626;background:#dc26261a}.credits-item__icon--recharge{color:#2563eb;background:#2563eb1a}.credits-item__body{flex:1;min-width:0}.credits-item__desc{color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:500;overflow:hidden}.credits-item__time{color:var(--text-secondary);margin-top:2px;font-size:12px}.credits-item__amount{font-family:var(--font-display);flex-shrink:0;font-size:15px;font-weight:600}.credits-item__amount--positive{color:#16a34a}.credits-item__amount--negative{color:#dc2626}.credits-pagination{justify-content:center;align-items:center;gap:16px;margin-top:24px;display:flex}.credits-page-btn{border:1px solid var(--border);color:var(--text);font-family:var(--font-body);cursor:pointer;background:0 0;border-radius:8px;padding:8px 20px;font-size:13px;transition:all .15s}.credits-page-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.credits-page-btn:disabled{opacity:.4;cursor:not-allowed}.credits-page-info{color:var(--text-secondary);text-align:center;min-width:60px;font-size:13px}