/* Cothink product studies: each theme has a distinct Refero-derived interaction surface. */
.interactive-demo{position:absolute;inset:0;display:grid;place-items:center;padding:42px 28px;color:var(--ink);overflow:hidden}.interactive-demo button,.interactive-demo input{font:inherit}.demo-panel{width:min(100%,390px);border:1px solid var(--line);background:rgba(255,255,255,.88);padding:18px;text-align:left}.demo-kicker{font:10px/1 "DM Mono",monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:13px}.demo-title{font-size:22px;letter-spacing:-.055em;margin:0 0 10px}.demo-copy{color:var(--muted);font-size:12px;line-height:1.45;margin:0}.demo-trigger{cursor:pointer;margin-top:16px;border:1px solid currentColor;background:var(--ink);color:var(--paper);padding:10px 13px;border-radius:8px;font:500 11px/1 "DM Mono",monospace}.demo-trigger:focus-visible,.demo-tabs button:focus-visible,.concept:focus-visible,.flow-chip:focus-visible,.source-toggle:focus-visible,.auth-submit:focus-visible,.system-search:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.theme-voice .interactive-demo{background:#ffffeb}.voice-card{border:2px solid #1a1a1a;border-radius:26px;background:#ffffeb;padding:23px;width:min(100%,380px);box-shadow:10px 10px 0 #1a1a1a}.voice-wave{display:flex;align-items:center;gap:6px;height:46px;margin:19px 0}.voice-wave i{display:block;background:#1a1a1a;border-radius:999px;width:7px;height:12px}.voice-card.is-listening .voice-wave i{animation:cothinkWave .7s ease-in-out infinite alternate}.voice-card.is-listening .voice-wave i:nth-child(2n){animation-delay:.2s}.voice-card.is-listening .voice-wave i:nth-child(3n){animation-delay:.4s}.voice-status{border-radius:999px;background:#034f46;color:#ffffeb;display:inline-block;padding:7px 11px;font:10px/1 "DM Mono",monospace}.theme-voice .demo-trigger{background:#f0d7ff;color:#1a1a1a;border:2px solid #1a1a1a;border-radius:10px}.theme-insight .interactive-demo{background:#fff}.artifact-board{position:relative;width:100%;height:100%}.artifact{position:absolute;border-radius:20px;background:#fff;box-shadow:0 15px 30px rgba(0,0,0,.1);padding:15px;min-width:145px;border:1px solid #eee;transition:transform .35s var(--ease)}.artifact strong{display:block;font-size:25px;letter-spacing:-.06em}.artifact small{color:#777b86;font-size:10px}.artifact.a{left:7%;top:18%}.artifact.b{right:4%;top:27%;background:#fbe1d1;color:#5d2a1a}.artifact.c{bottom:11%;left:26%}.artifact-board.is-shown .artifact.a{transform:translate(28px,18px) rotate(-4deg)}.artifact-board.is-shown .artifact.b{transform:translate(-34px,-23px) rotate(5deg)}.artifact-board.is-shown .artifact.c{transform:translate(12px,-15px) rotate(-2deg)}.artifact-action{position:absolute;bottom:8%;right:8%;border:0;border-radius:999px;background:#17191c;color:white;padding:12px 15px;font:11px/1 "DM Mono",monospace;cursor:pointer}.theme-search .interactive-demo{background:#000;color:#fff}.search-constellation{position:absolute;inset:0}.search-constellation i{position:absolute;width:10px;height:10px;border:1px solid var(--c,#8052ff);clip-path:polygon(50% 0,100% 100%,0 100%);opacity:.9;transition:transform .45s var(--ease)}.search-constellation.is-query i:nth-child(3n){transform:translate(48px,-23px) scale(1.5)}.search-constellation.is-query i:nth-child(4n){transform:translate(-38px,29px) scale(.75)}.search-box{z-index:2;width:min(100%,330px);background:#0e0e0e;border:1px solid #ffffff44;border-radius:24px;padding:17px;box-shadow:0 0 0 7px #ffffff08}.search-box label{font:10px/1 "DM Mono",monospace;color:#ffb829}.search-row{display:flex;gap:8px;margin-top:12px}.search-row input{min-width:0;flex:1;background:transparent;border:0;color:#fff;outline:0;font-size:14px}.search-row button{border:0;border-radius:999px;background:#8052ff;color:#fff;padding:8px 11px;cursor:pointer}.search-result{margin-top:12px;color:#bdbdbd;font-size:11px;min-height:15px}.theme-ops .interactive-demo{background:#101010;color:#eeeeee;place-items:stretch;padding:22px}.ops-console{display:flex;flex-direction:column;width:100%;border:1px solid #3d3a39;border-radius:10px;background:#0d0d0d;padding:16px;font-family:"DM Mono",monospace}.ops-header{display:flex;justify-content:space-between;color:#b8b3b0;font-size:10px}.ops-header b{color:#ee6018;font-weight:400}.ops-log{flex:1;min-height:190px;margin-top:14px;font-size:11px;line-height:1.8;color:#a0ca92}.ops-log span{color:#8a8380}.ops-run{align-self:flex-start;border:1px solid #3d3a39;background:#1d1a18;color:#eeeeee;padding:9px 11px;cursor:pointer;border-radius:3px;font:10px/1 "DM Mono",monospace}.theme-studio .interactive-demo{background:radial-gradient(circle at 70% 20%,#594439,transparent 35%),#090909}.studio-board{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;width:100%}.concept{min-height:225px;border:1px solid #ffffff2e;border-radius:12px;background:linear-gradient(145deg,#e4d5c5,#7b5a47);cursor:pointer;padding:13px;display:flex;align-items:end;color:#161616;font:11px/1 "DM Mono",monospace;transition:transform .25s var(--ease),outline .25s}.concept:nth-child(2){background:linear-gradient(145deg,#bdc7d1,#496372)}.concept:nth-child(3){background:linear-gradient(145deg,#e2cb92,#963e32)}.concept.is-selected{outline:2px solid #fff;transform:translateY(-10px) rotate(-2deg)}.studio-note{position:absolute;bottom:21px;left:28px;color:#fff;font:10px/1.4 "DM Mono",monospace}.theme-metrics .interactive-demo{background:#fafaf9;display:block;padding:25px}.demo-tabs{display:flex;gap:6px;margin-bottom:17px}.demo-tabs button{border:1px solid #e8e6e5;background:#fff;border-radius:999px;padding:7px 10px;color:#78716c;font-size:10px;cursor:pointer}.demo-tabs button[aria-selected="true"]{background:#1c1917;color:#fff}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.metric-card{border:1px solid #e8e6e5;border-radius:10px;background:#fff;padding:14px;box-shadow:0 4px 16px rgba(0,0,0,.05)}.metric-card small{color:#78716c;font-size:10px}.metric-card strong{display:block;margin-top:11px;font-size:28px;letter-spacing:-.07em}.metric-card i{display:block;height:4px;background:linear-gradient(90deg,#3ba6f1 var(--progress),#e8e6e5 0);margin-top:13px;border-radius:999px}.theme-system .interactive-demo{background:#f5f5f5;display:block;padding:25px}.system-search{display:flex;justify-content:space-between;width:100%;border:0;border-radius:18px;background:#fff;color:#737373;padding:13px 14px;cursor:pointer;text-align:left}.system-search kbd{border:1px solid #e5e5e5;border-radius:6px;padding:2px 5px;font:10px "DM Mono",monospace}.system-palette{display:none;margin-top:10px;border:1px solid #e5e5e5;border-radius:24px;background:#fff;padding:12px}.system-palette.is-open{display:block}.system-item{display:flex;justify-content:space-between;padding:11px 8px;font-size:12px;border-bottom:1px solid #f0f0f0}.system-item:last-child{border:0}.token-row{display:flex;gap:7px;margin-top:16px}.token{border-radius:18px;background:#fff;padding:8px;font:10px "DM Mono",monospace;cursor:pointer;border:1px solid #e5e5e5}.theme-flow .interactive-demo{background:#08090a;display:block;padding:22px;color:#d0d6e0}.flow-top{display:flex;align-items:center;justify-content:space-between;font:10px "DM Mono",monospace}.flow-add{border:0;border-radius:6px;background:#e4f222;color:#08090a;padding:9px 11px;cursor:pointer;font:500 10px "DM Mono",monospace}.flow-board{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:18px}.flow-lane{border:1px solid #23252a;border-radius:12px;padding:8px;min-height:210px}.flow-lane h4{margin:0 0 8px;font-size:10px;font-weight:400}.flow-chip{display:block;width:100%;border:1px solid #383b3f;border-radius:6px;background:#0f1011;color:#d0d6e0;text-align:left;padding:9px;margin-top:7px;font:10px/1.3 "DM Mono",monospace;cursor:pointer}.flow-chip.is-done{border-color:#27a644;color:#e4f222}.theme-research .interactive-demo{background:#f0eee6;display:block;padding:25px}.source-paper{border:1px solid #cccbc8;border-radius:24px;background:#faf9f5;padding:20px}.source-paper h4{font:600 20px Georgia,serif;margin:0 0 9px}.source-paper p{font:15px/1.45 Georgia,serif;margin:0;color:#3d3d3a}.source-toggle{margin-top:16px;border:0;border-bottom:1px solid #141413;background:transparent;color:#141413;padding:0 0 3px;cursor:pointer;font:11px "DM Mono",monospace}.source-more{display:none;margin-top:14px;padding-top:12px;border-top:1px solid #cccbc8;font:13px/1.45 Georgia,serif}.source-more.is-open{display:block}.theme-access .interactive-demo{background:radial-gradient(circle at 50% 0,#263157,transparent 46%),#05060f;color:#d1e4fa}.access-grid{position:absolute;inset:0;background-image:linear-gradient(#b6d9fc0c 1px,transparent 1px),linear-gradient(90deg,#b6d9fc0c 1px,transparent 1px);background-size:48px 48px}.auth-demo{z-index:2;width:min(100%,300px);border-radius:16px;background:#05060ff7;padding:20px;box-shadow:inset 0 1px 1px #d8ecf833,inset 0 24px 48px #a8d8f50f,0 16px 32px #0008}.auth-demo label{display:block;color:#c7d3ea;font-size:11px;margin-bottom:7px}.auth-demo input{width:100%;border:1px solid #bad7f71f;border-radius:6px;background:#c7d3ea0f;color:#fff;padding:11px;outline:0}.auth-submit{width:100%;margin-top:11px;border:0;border-radius:6px;background:#663af3;color:#fff;padding:11px;cursor:pointer;font-weight:600}.auth-note{min-height:16px;margin:10px 0 0;color:#9da7ba;font-size:10px}@keyframes cothinkWave{to{height:38px;transform:translateY(-3px)}}@media(max-width:560px){.interactive-demo{padding:25px 18px}.studio-board{gap:5px}.concept{min-height:170px;padding:8px}.flow-board{gap:4px}.flow-lane{padding:5px}.flow-chip{font-size:8px;padding:7px}.artifact{min-width:112px}.artifact strong{font-size:20px}}