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var(--border);padding-top:14px}.chat-textarea{flex:1;padding:12px 16px;font-size:14px;font-family:Open Sans,sans-serif;border:1.5px solid var(--border);border-radius:var(--radius);outline:none;background:var(--card-bg);color:var(--text);resize:none;min-height:48px;max-height:140px;line-height:1.5;overflow-y:auto;transition:border-color .15s}.chat-textarea:focus{border-color:var(--accent)}.chat-textarea:disabled{background:var(--tag-bg);color:var(--text-muted);cursor:not-allowed}.chat-send-btn{padding:12px 24px;height:48px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-size:14px;font-weight:600;font-family:Open Sans,sans-serif;cursor:pointer;flex-shrink:0;transition:opacity .15s}.chat-send-btn:hover{opacity:.88}.chat-send-btn:disabled{opacity:.4;cursor:not-allowed}.chat-limit-reached{flex-shrink:0;text-align:center;padding:10px 16px;font-size:13px;color:var(--text-muted);background:var(--tag-bg);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:8px}.chat-limit-reached strong{color:var(--text)}.chat-msg-count{flex-shrink:0;font-size:11px;color:var(--text-muted);text-align:right;padding:6px 0 10px}.site-footer{text-align:center;color:var(--text-muted);font-size:12px;padding:24px;margin-top:48px;border-top:1px solid var(--border)}@media (max-width: 640px){.container{padding:0 16px}.nav-inner{height:auto;padding:10px 16px;gap:8px;flex-wrap:wrap}.nav-brand{font-size:16px;flex:1 0 100%}.nav-links{gap:16px}.nav-links a{font-size:13px}.hero h1,.chat-hero h1,.search-hero h1{font-size:24px}.hero{padding:24px 0 20px}.quotes-grid{grid-template-columns:1fr;column-gap:0;row-gap:24px}.quotes-shuffle-btn{float:none;margin-top:0;margin-bottom:14px;display:block}.viz-row{flex-direction:column}.viz-55,.viz-45{flex:0 0 100%;width:100%}.pipeline-steps{flex-direction:column}.pipeline-step{border-right:1px solid var(--border);border-bottom:none}.pipeline-step:last-child{border-bottom:1px solid var(--border)}.pipeline-arrow{display:none}.search-input-wrap{flex-direction:column;max-width:100%}.search-submit-btn{width:100%}.chat-msg{max-width:90%}.chat-limit-notice{display:block;font-size:13px}.ep-detail-header h1{font-size:22px}.leaderboard-grid{grid-template-columns:1fr}.type-grid{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px;-webkit-overflow-scrolling:touch}.type-pill{flex-shrink:0}}