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var(--space-5);font-size:var(--font-size-base)}.lex-btn--primary{background:var(--color-primary);color:var(--color-text-inverse);border-color:var(--color-primary)}.lex-btn--primary:hover:not(:disabled){background:var(--color-primary-hover);border-color:var(--color-primary-hover)}.lex-btn--primary:active:not(:disabled){background:var(--color-primary-active)}.lex-btn--secondary{background:var(--color-bg-elevated);color:var(--color-text-primary);border-color:var(--color-border)}.lex-btn--secondary:hover:not(:disabled){background:var(--color-bg-hover);border-color:var(--color-primary);color:var(--color-primary)}.lex-btn--ghost{background:transparent;color:var(--color-text-secondary);border-color:transparent}.lex-btn--ghost:hover:not(:disabled){background:var(--color-bg-hover);color:var(--color-text-primary)}.lex-btn--text{background:transparent;color:var(--color-text-link);border-color:transparent;padding:0 var(--space-2);height:auto}.lex-btn--text:hover:not(:disabled){color:var(--color-primary);text-decoration:underline}.lex-btn--danger{background:var(--color-danger);color:var(--color-text-inverse);border-color:var(--color-danger)}.lex-btn--danger:hover:not(:disabled){background:var(--color-danger-hover);border-color:var(--color-danger-hover)}.lex-btn--danger:active:not(:disabled){background:var(--color-danger-active)}.lex-btn--icon{padding:0;width:36px}.lex-card{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:all var(--transition-card);overflow:hidden}.lex-card--hoverable:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.lex-card--padded{padding:var(--space-4)}.lex-card__header{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;gap:var(--space-2)}.lex-card__title{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0}.lex-card__body{padding:var(--space-4)}.lex-card__footer{padding:var(--space-3) var(--space-4);border-top:1px solid var(--color-border);background:var(--color-bg-page)}.lex-badge{display:inline-flex;align-items:center;gap:var(--space-1);height:20px;padding:0 var(--space-2);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);border-radius:var(--radius-sm);white-space:nowrap}.lex-badge--default{background:var(--color-bg-muted);color:var(--color-text-secondary)}.lex-badge--high{background:#c530301a;color:var(--color-risk-high)}.lex-badge--mid{background:#dd6b201a;color:var(--color-risk-mid)}.lex-badge--low{background:#38a1691a;color:var(--color-risk-low)}.lex-badge--info{background:var(--color-info-bg);color:var(--color-info)}.lex-badge--success{background:var(--color-success-bg);color:var(--color-success)}.lex-tooltip-wrapper{position:relative;display:inline-flex}.lex-tooltip{position:absolute;bottom:calc(100% + 6px);left:50%;transform:translate(-50%);background:#212529f2;color:#fff;padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);font-size:var(--font-size-xs);white-space:nowrap;pointer-events:none;z-index:var(--z-tooltip);opacity:0;transition:opacity var(--transition-base)}.lex-tooltip-wrapper:hover .lex-tooltip,.lex-tooltip--visible{opacity:1}.lex-tooltip:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border:4px solid transparent;border-top-color:#212529f2}.lex-toast-container{position:fixed;top:var(--space-6);left:50%;transform:translate(-50%);z-index:var(--z-toast);display:flex;flex-direction:column;gap:var(--space-2);pointer-events:none}.lex-toast{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:var(--space-2);font-size:var(--font-size-sm);color:var(--color-text-primary);min-width:240px;pointer-events:auto;animation:lex-toast-in .2s var(--ease-out)}.lex-toast--success{border-left:3px solid var(--color-success)}.lex-toast--error{border-left:3px solid var(--color-danger)}.lex-toast--info{border-left:3px solid var(--color-info)}.lex-toast--warn{border-left:3px solid var(--color-warning)}@keyframes lex-toast-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.lex-citation{display:inline-flex;align-items:center;gap:2px;padding:0 4px;height:18px;font-size:11px;color:var(--color-primary);background:var(--color-info-bg);border-radius:3px;cursor:pointer;vertical-align:baseline;transition:all var(--transition-base)}.lex-citation:hover{background:#3a86ff2e}.lex-citation__index{font-weight:var(--font-weight-semibold)}.lex-spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:lex-spin .8s linear infinite}@keyframes lex-spin{to{transform:rotate(360deg)}}.lex-skeleton{background:linear-gradient(90deg,var(--color-bg-muted) 0%,var(--color-bg-hover) 50%,var(--color-bg-muted) 100%);background-size:200% 100%;animation:lex-skeleton-shimmer 1.4s ease-in-out infinite;border-radius:var(--radius-sm)}@keyframes lex-skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.lex-divider{height:1px;background:var(--color-border);margin:var(--space-3) 0;border:none}.lex-skeleton-card{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-2)}.lex-skeleton-row{display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-2)}.lex-skeleton--circle{width:20px;height:20px;border-radius:50%}.lex-skeleton--title{width:100px;height:16px}.lex-skeleton--badge{width:56px;height:18px;margin-left:auto}.lex-skeleton--avatar{width:32px;height:32px;border-radius:50%;flex-shrink:0}.lex-skeleton-line{width:100%;height:12px}.lex-skeleton-message{display:flex;gap:var(--space-2);align-items:flex-start}.lex-skeleton-message__body{flex:1;display:flex;flex-direction:column;gap:var(--space-1)}.lex-citation{position:relative}.lex-citation-popup{position:absolute;bottom:calc(100% + 6px);left:0;z-index:var(--z-popover);width:320px;padding:var(--space-3);background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);font-size:var(--font-size-sm);color:var(--color-text-primary);white-space:normal;line-height:1.5;animation:lex-popup-in .15s var(--ease-out)}.lex-citation-popup__title{font-weight:var(--font-weight-semibold);margin-bottom:var(--space-2);color:var(--color-text-primary)}.lex-citation-popup__content{font-size:var(--font-size-xs);color:var(--color-text-secondary);margin-bottom:var(--space-2);display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.lex-citation-popup__link{display:inline-block;font-size:var(--font-size-xs);color:var(--color-text-link);text-decoration:none;margin-bottom:var(--space-1)}.lex-citation-popup__link:hover{text-decoration:underline}.lex-citation-popup__confidence{font-size:11px;color:var(--color-text-tertiary);padding-top:var(--space-2);border-top:1px solid var(--color-border)}@keyframes lex-popup-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.auth-layout{display:grid;grid-template-columns:1.1fr 1fr;min-height:100vh;background:var(--color-bg-page)}.auth-layout__brand{background:linear-gradient(135deg,#1a365d,#2c5282,#4361ee);color:#fff;display:flex;align-items:center;justify-content:center;padding:var(--space-12);position:relative;overflow:hidden}.auth-layout__brand:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 20% 30%,rgba(212,175,55,.18) 0,transparent 40%),radial-gradient(circle at 80% 70%,rgba(67,97,238,.2) 0,transparent 50%);pointer-events:none}.auth-layout__brand-inner{max-width:480px;position:relative;z-index:1}.auth-layout__logo{display:flex;align-items:center;gap:var(--space-3);font-size:28px;font-weight:var(--font-weight-bold);margin-bottom:var(--space-8)}.auth-layout__title{font-size:32px;font-weight:var(--font-weight-bold);line-height:1.3;margin:0 0 var(--space-4)}.auth-layout__desc{font-size:var(--font-size-base);line-height:1.7;opacity:.9;margin:0 0 var(--space-8)}.auth-layout__features{list-style:none;padding:0;margin:0 0 var(--space-12);display:flex;flex-direction:column;gap:var(--space-3)}.auth-layout__features li{font-size:var(--font-size-base);opacity:.92}.auth-layout__quote{font-size:var(--font-size-sm);font-style:italic;opacity:.7;border-left:3px solid rgba(255,255,255,.4);padding-left:var(--space-3);line-height:1.6}.auth-layout__quote span{display:inline-block;margin-top:var(--space-2);font-size:var(--font-size-xs)}.auth-layout__content{display:flex;align-items:center;justify-content:center;padding:var(--space-12);background:var(--color-bg-elevated)}.auth-card{width:100%;max-width:420px;display:flex;flex-direction:column;gap:var(--space-5)}.auth-card__title{font-size:24px;font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0}.auth-card__subtitle{font-size:var(--font-size-sm);color:var(--color-text-tertiary);margin:calc(-1 * var(--space-3)) 0 var(--space-2)}.auth-form{display:flex;flex-direction:column;gap:var(--space-4)}.auth-form__field{display:flex;flex-direction:column;gap:var(--space-1)}.auth-form__label{font-size:var(--font-size-sm);color:var(--color-text-primary);font-weight:var(--font-weight-medium)}.auth-form__label-row{display:flex;align-items:center;justify-content:space-between}.auth-form__link{font-size:var(--font-size-xs);color:var(--color-primary);text-decoration:none}.auth-form__link:hover{text-decoration:underline}.auth-form__input{padding:10px var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-family:inherit;background:var(--color-bg-page);color:var(--color-text-primary);outline:none;transition:all var(--transition-base)}.auth-form__input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-info-bg)}.auth-form__input--error{border-color:var(--color-danger)}.auth-form__error{font-size:var(--font-size-xs);color:var(--color-danger);margin-top:2px}.auth-form__button{padding:12px var(--space-5);background:var(--color-primary);color:var(--color-text-inverse);border:none;border-radius:var(--radius-md);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);font-family:inherit;cursor:pointer;transition:all var(--transition-base);margin-top:var(--space-2)}.auth-form__button:hover:not(:disabled){background:var(--color-primary-hover)}.auth-form__button:disabled{opacity:.6;cursor:not-allowed}.auth-form__divider{display:flex;align-items:center;gap:var(--space-3);font-size:var(--font-size-xs);color:var(--color-text-tertiary)}.auth-form__divider:before,.auth-form__divider:after{content:"";flex:1;height:1px;background:var(--color-border)}.auth-form__footer{text-align:center;font-size:var(--font-size-sm);color:var(--color-text-tertiary);margin:0}.auth-form__footer a{color:var(--color-primary);text-decoration:none;font-weight:var(--font-weight-medium)}.auth-form__footer a:hover{text-decoration:underline}.auth-form__quick{display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-3);background:var(--color-info-bg);border:1px dashed var(--color-primary);border-radius:var(--radius-md);font-size:var(--font-size-xs);color:var(--color-text-secondary)}.auth-form__quick strong{color:var(--color-primary);font-family:var(--font-family-mono);font-size:12px}@media (max-width: 900px){.auth-layout{grid-template-columns:1fr}.auth-layout__brand{display:none}}.sidebar{width:var(--sidebar-width);background:var(--color-bg-elevated);border-right:1px solid var(--color-border);display:flex;flex-direction:column;flex-shrink:0;transition:width var(--transition-slow);overflow:hidden}.app-layout.sidebar-collapsed .sidebar{width:var(--sidebar-width-collapsed)}.app-layout.sidebar-collapsed .sidebar>*:not(.sidebar__header){opacity:0;pointer-events:none}.sidebar__header{padding:var(--space-5) var(--space-4);border-bottom:1px solid 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var(--space-5);background:none;border:none;border-left:3px solid transparent;cursor:pointer;font-size:var(--font-size-sm);color:var(--color-text-secondary);text-align:left;transition:all var(--transition-base);font-family:inherit}.sidebar__scenario:hover{background:var(--color-bg-hover);color:var(--color-text-primary)}.sidebar__scenario--active{background:#1a365d0d;color:var(--color-primary);font-weight:var(--font-weight-semibold);border-left-color:var(--color-primary)}.app-layout.dark-mode .sidebar__scenario--active,:global(.dark-mode) .sidebar__scenario--active{background:#4361ee26;color:var(--color-accent);border-left-color:var(--color-accent)}.sidebar__divider{height:1px;background:var(--color-border);margin:0 var(--space-4)}.sidebar__section{flex:1;display:flex;flex-direction:column;min-height:0;padding:var(--space-3) var(--space-2)}.sidebar__section-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-2) 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var(--transition-base)}.analysis-panel__icon-btn:hover{background:var(--color-bg-hover);border-color:var(--color-primary);color:var(--color-primary)}.analysis-panel__body{flex:1;overflow-y:auto;padding:var(--space-5);background:var(--color-bg-page);display:flex;flex-direction:column;gap:var(--space-4)}.analysis-panel__messages{display:flex;flex-direction:column;gap:var(--space-3)}.analysis-panel__message{display:flex;gap:var(--space-2);max-width:85%}.analysis-panel__message--user{margin-left:auto;flex-direction:row-reverse}.analysis-panel__avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));color:var(--color-text-inverse);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:var(--font-weight-semibold);flex-shrink:0}.analysis-panel__bubble{padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);background:var(--color-bg-elevated);border:1px solid 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var(--color-border);border-radius:var(--radius-md);padding:4px var(--space-2);font-size:var(--font-size-xs);color:var(--color-text-secondary);cursor:pointer;font-family:inherit;transition:all var(--transition-base)}.input-bar__quick-btn:hover{background:var(--color-info-bg);border-color:var(--color-primary);color:var(--color-primary)}.input-bar__files{display:flex;gap:var(--space-2);flex-wrap:wrap;margin-bottom:var(--space-2)}.input-bar__file{display:inline-flex;align-items:center;gap:var(--space-1);background:var(--color-info-bg);color:var(--color-info);padding:4px var(--space-2);border-radius:var(--radius-sm);font-size:var(--font-size-xs)}.input-bar__file-remove{background:none;border:none;cursor:pointer;color:inherit;display:flex;align-items:center;padding:0;margin-left:2px;border-radius:var(--radius-sm)}.input-bar__file-remove:hover{color:var(--color-danger)}.input-bar__container{display:flex;align-items:flex-end;gap:var(--space-2);background:var(--color-bg-page);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-2);transition:border-color var(--transition-base);position:relative}.input-bar__container:focus-within{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-info-bg)}.input-bar__icon-btn{background:none;border:none;cursor:pointer;color:var(--color-text-tertiary);padding:6px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);transition:all var(--transition-base);flex-shrink:0}.input-bar__icon-btn:hover{background:var(--color-bg-hover);color:var(--color-primary)}.input-bar__textarea{flex:1;border:none;outline:none;background:transparent;resize:none;font-family:inherit;font-size:var(--font-size-sm);color:var(--color-text-primary);line-height:1.6;padding:var(--space-2);min-height:24px;max-height:160px}.input-bar__textarea::placeholder{color:var(--color-text-tertiary)}.input-bar__send{display:inline-flex;align-items:center;gap:4px;background:var(--color-primary);color:var(--color-text-inverse);border:none;border-radius:var(--radius-md);padding:var(--space-2) var(--space-3);cursor:pointer;font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);font-family:inherit;flex-shrink:0;transition:all var(--transition-base)}.input-bar__send:hover:not(:disabled){background:var(--color-primary-hover)}.input-bar__send:disabled{opacity:.5;cursor:not-allowed}.input-bar__cancel{display:inline-flex;align-items:center;gap:4px;background:var(--color-warning);color:var(--color-text-inverse);border:none;border-radius:var(--radius-md);padding:var(--space-2) var(--space-3);cursor:pointer;font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);font-family:inherit;flex-shrink:0;transition:all var(--transition-base)}.input-bar__cancel:hover{background:#ff5252}.lex-spin-anim{animation:lex-spin .8s linear infinite}.input-bar--drag .input-bar__container{border-color:var(--color-primary);background:var(--color-info-bg)}.input-bar__suggest-wrap{position:relative;flex:1;display:flex;flex-direction:column;min-width:0}.input-bar__history-wrap{position:relative;display:flex;align-items:center;flex-shrink:0}.input-bar__history-wrap 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mark{background:#d4af3740;color:var(--color-primary);padding:0 2px;border-radius:2px}.input-bar__suggest-meta{font-size:var(--font-size-xs);color:var(--color-text-tertiary);flex-shrink:0;max-width:50%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.input-bar__suggest-empty{padding:var(--space-3);font-size:var(--font-size-xs);color:var(--color-text-tertiary);text-align:center}.input-bar__suggest-footer{padding:var(--space-2) var(--space-3);border-top:1px solid var(--color-border);font-size:var(--font-size-xs);color:var(--color-text-tertiary);display:flex;gap:var(--space-3)}.input-bar__suggest-footer kbd{background:var(--color-bg-muted);border:1px solid var(--color-border);border-radius:3px;padding:0 4px;font-family:var(--font-family-mono);font-size:10px}// ============================================================ // 设置弹窗样式 // ============================================================ .settings-modal__backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px;animation:settings-fade-in .15s ease-out}@keyframes settings-fade-in{0%{opacity:0}to{opacity:1}}.settings-modal{background:var(--color-bg-elevated);border-radius:var(--radius-lg);box-shadow:0 20px 50px #00000040;width:100%;max-width:880px;height:600px;max-height:90vh;display:flex;flex-direction:column;overflow:hidden;animation:settings-zoom-in .2s ease-out}@keyframes settings-zoom-in{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}.settings-modal__header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid 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.12s}.llm-card--active{border-color:var(--color-primary);background:var(--color-info-bg)}.llm-card--disabled{opacity:.55}.llm-card__head{display:flex;align-items:center;justify-content:space-between;gap:8px}.llm-card__title{display:flex;align-items:center;gap:8px;flex:1;min-width:0}.llm-card__name{font-weight:600;font-size:13px;color:var(--color-text-primary)}.llm-card__model{font-size:11px;color:var(--color-text-tertiary);font-family:var(--font-mono, monospace)}.llm-card__active-badge{font-size:10px;padding:1px 6px;border-radius:8px;background:var(--color-primary);color:#fff}.llm-card__meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;font-size:11px;color:var(--color-text-tertiary)}.llm-card__meta-item{display:flex;align-items:center;gap:3px}.llm-card__actions{display:flex;align-items:center;gap:4px;flex-shrink:0}.llm-card__btn{background:none;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:3px 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strong{color:var(--color-text-primary)}.appr-tab__group{margin-bottom:24px}.appr-tab__title{font-size:13px;font-weight:600;margin:0 0 8px}.appr-tab__desc{font-size:12px;color:var(--color-text-tertiary);margin:0 0 12px}.appr-tab__row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--color-border)}.appr-tab__row:last-child{border-bottom:none}.appr-tab__row-label{font-size:13px}.appr-tab__switch{position:relative;display:inline-block;width:36px;height:20px}.appr-tab__switch input{display:none}.appr-tab__switch-slider{position:absolute;cursor:pointer;top:0;right:0;bottom:0;left:0;background:var(--color-border);border-radius:20px;transition:.18s}.appr-tab__switch-slider:before{content:"";position:absolute;width:16px;height:16px;left:2px;top:2px;background:#fff;border-radius:50%;transition:.18s}.appr-tab__switch input:checked+.appr-tab__switch-slider{background:var(--color-primary)}.appr-tab__switch input:checked+.appr-tab__switch-slider:before{transform:translate(16px)}.about-tab__logo{display:flex;align-items:center;gap:12px;margin-bottom:16px}.about-tab__logo-text{font-size:18px;font-weight:700;background:linear-gradient(135deg,var(--color-primary) 0%,#d4af37 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1fr;gap:var(--space-3)}.case-form__actions{display:flex;justify-content:flex-end;gap:var(--space-3);margin-top:var(--space-2)}.case-form__error{color:var(--color-danger);font-size:var(--font-size-sm)}.cases-page{display:flex;flex-direction:column;gap:var(--space-4);max-width:1200px}.cases-page__toolbar{display:flex;align-items:center;gap:var(--space-3);flex-wrap:wrap}.cases-page__search{flex:1;min-width:200px;padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-elevated);color:var(--color-text-primary);font-size:var(--font-size-sm);outline:none}.cases-page__search:focus{border-color:var(--color-primary-hover)}.cases-page__select{padding:var(--space-2) var(--space-3);border:1px solid 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