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rgba(var(--danger-rgb),.25);border-radius:var(--radius);padding:12px 16px;color:var(--danger);margin-bottom:16px}.empty-state{text-align:center;padding:40px;color:var(--text-secondary)}.error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center}.error-state-icon{font-size:48px;margin-bottom:16px;opacity:.5}.error-state-title{font-family:var(--font-heading);font-size:18px;font-weight:600;color:var(--text-primary);margin:0 0 8px}[data-theme=light] .error-state-title{font-weight:400;font-size:20px}.error-state-message{font-size:14px;color:var(--text-secondary);margin:0 0 20px;max-width:400px}.error-state-retry{padding:8px 20px;border-radius:var(--radius);border:1px solid var(--border);background:transparent;color:var(--text-primary);cursor:pointer;font-size:13px}.error-state-retry:hover{background:var(--bg-card);border-color:var(--accent)}.markdown-content h1{font-family:var(--font-heading);font-size:22px;font-weight:700;margin:24px 0 12px;border-bottom:1px solid var(--border);padding-bottom:8px;letter-spacing:-.02em}.markdown-content h2{font-family:var(--font-heading);font-size:18px;font-weight:600;margin:20px 0 10px}.markdown-content h3{font-family:var(--font-heading);font-size:15px;font-weight:600;margin:16px 0 8px}.markdown-content p{margin:8px 0;line-height:1.7}.markdown-content ul,.markdown-content ol{padding-left:24px;margin:8px 0}.markdown-content li{margin:4px 0;line-height:1.6}.markdown-content strong{color:var(--text-primary)}.markdown-content em{color:var(--text-secondary)}.markdown-content hr{border:none;border-top:1px solid var(--border);margin:16px 0}.markdown-content table{width:100%;border-collapse:collapse;margin:12px 0}.markdown-content th,.markdown-content td{padding:8px 12px;border:1px solid var(--border);text-align:left}.markdown-content th{background:var(--accent-subtle);font-weight:600}.markdown-content 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var(--border);background:transparent;color:var(--accent);cursor:pointer}.chat-quick-btn:disabled{cursor:not-allowed;opacity:.5}.chat-input-row{display:flex;gap:8px;align-items:flex-end}.chat-textarea{flex:1;resize:none;border:1px solid var(--border);border-radius:var(--radius);padding:8px 12px;font-size:14px;line-height:1.4;background:var(--bg-primary);color:var(--text-primary);outline:none;font-family:inherit}.chat-textarea:focus{border-color:rgba(var(--accent-rgb),.5)}.chat-send-btn{padding:8px 16px;border-radius:var(--radius);border:none;background:var(--accent);color:#fff;font-size:14px;font-weight:600;white-space:nowrap;cursor:pointer}.chat-send-btn:disabled{cursor:not-allowed;opacity:.5}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}.error-boundary{padding:40px}.error-boundary-title{color:var(--danger);margin-bottom:12px}.error-boundary-message{white-space:pre-wrap;color:var(--text-primary)}.error-boundary-stack{white-space:pre-wrap;font-size:12px;color:var(--text-secondary);margin-top:8px}.error-boundary-retry{margin-top:16px;padding:8px 16px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);cursor:pointer;font-weight:600}@keyframes skeleton-shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{background:linear-gradient(90deg,var(--bg-card) 25%,rgba(var(--accent-rgb),.06) 50%,var(--bg-card) 75%);background-size:200% 100%;animation:skeleton-shimmer 1.8s ease-in-out infinite;border-radius:var(--radius)}[data-theme=light] .skeleton{background:linear-gradient(90deg,#f0f0f2 25%,#e4e5e9,#f0f0f2 75%);background-size:200% 100%}.theme-toggle{display:flex;align-items:center;justify-content:center;width:34px;height:34px;padding:0;border:none;border-radius:var(--radius);background:transparent;color:var(--text-secondary);cursor:pointer;transition:color .2s,background .2s}.theme-toggle:hover{color:var(--accent);background:rgba(var(--accent-rgb),.08)}[data-theme=light] .theme-toggle:hover{background:rgba(var(--accent-rgb),.06)}.theme-toggle-icon{display:flex;align-items:center;justify-content:center;line-height:0}.digest-accordion-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#0006;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}[data-theme=light] 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li{font-size:13px;color:var(--text-primary);padding:4px 8px;border-radius:var(--radius);background:rgba(var(--accent-rgb),.04)}.digest-card-sources-list li:before{content:"→ ";color:var(--accent)}.tier-gate{display:flex;justify-content:center;align-items:flex-start;padding:40px 20px;min-height:60vh}.tier-gate-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;max-width:440px;width:100%;text-align:center;box-shadow:var(--shadow-card)}.tier-gate-icon{display:inline-flex;align-items:center;justify-content:center;width:80px;height:80px;border-radius:50%;background:rgba(var(--accent-rgb),.08);color:var(--accent);margin-bottom:20px}.tier-gate-title{font-family:var(--font-heading);font-size:22px;font-weight:600;margin-bottom:8px;letter-spacing:-.02em}.tier-gate-subtitle{font-size:14px;color:var(--text-secondary);margin-bottom:28px;line-height:1.5}.tier-gate-subtitle 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