/* ARKHEON: a distinct, restrained cosmic chamber within Oraclyn. */
#tab-arkheon{padding:clamp(22px,4vw,54px);overflow:auto;background:radial-gradient(ellipse at 50% 0%,rgba(105,77,184,.14),transparent 52%);}
.arkheon-shell{max-width:1120px;margin:0 auto;text-align:center;padding:22px 0 70px;}
.arkheon-kicker,.arkheon-status,.arkheon-card>span,.arkheon-card>b{font:500 10px var(--mono);letter-spacing:.2em;color:#b6a5ff;}
.arkheon-emblem{width:94px;height:94px;margin:22px auto 18px;position:relative;display:grid;place-items:center;color:#d8ccff;font-size:35px;}
.arkheon-emblem:before,.arkheon-emblem:after,.arkheon-emblem i,.arkheon-emblem b{content:"";position:absolute;border:1px solid rgba(174,151,255,.55);border-radius:50%;inset:4px;transform:rotate(30deg) scaleX(.72);}
.arkheon-emblem:after{transform:rotate(-30deg) scaleX(.72);border-color:rgba(221,204,255,.4);}
.arkheon-emblem i{inset:17px;transform:rotate(45deg);border-color:rgba(174,151,255,.65);}
.arkheon-emblem b{inset:31px;border-color:rgba(221,204,255,.6);}
#arkheonTitle{font:500 clamp(34px,6vw,62px)/1.1 var(--display);letter-spacing:.02em;color:#eee9ff;margin:8px 0 12px;text-shadow:0 0 34px rgba(145,117,255,.28);}
.arkheon-tagline{font:italic 19px var(--serif);color:#c9c0e8;margin:0 auto 34px;}
.arkheon-gate{max-width:560px;margin:28px auto;padding:30px;border:1px solid rgba(174,151,255,.3);border-radius:18px;background:linear-gradient(145deg,rgba(35,27,64,.58),rgba(9,11,22,.82));box-shadow:0 18px 70px rgba(0,0,0,.28);}
.arkheon-gate h2{font:500 25px var(--display);color:#f0eaff;margin:16px 0 10px;}
.arkheon-gate p,.arkheon-intro{color:var(--ink-dim);line-height:1.7;max-width:680px;margin:0 auto 20px;}
.arkheon-gate button{padding:12px 24px;border-radius:999px;}
.arkheon-intro{margin:16px auto 28px;}
.arkheon-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,245px),1fr));gap:14px;text-align:left;margin-top:22px;}
.arkheon-card{min-height:188px;padding:22px;border:1px solid rgba(174,151,255,.2);border-radius:16px;background:linear-gradient(145deg,rgba(30,25,51,.65),rgba(9,12,23,.88));transition:transform .2s,border-color .2s,box-shadow .2s;}
.arkheon-card:hover{transform:translateY(-3px);border-color:rgba(174,151,255,.5);box-shadow:0 12px 35px rgba(0,0,0,.25);}
.arkheon-card h2{font:500 20px var(--display);color:#eee9ff;margin:16px 0 8px;}
.arkheon-card p{font-size:13px;line-height:1.6;color:var(--ink-dim);min-height:42px;margin:0 0 18px;}
.arkheon-card>b{font-size:9px;color:#9384c7;}
.arkheon-footnote{font:11px/1.6 var(--mono);color:var(--ink-faint);max-width:720px;margin:26px auto 0;}
.arkheon-pro-tag{font:600 8px var(--mono);letter-spacing:.1em;color:#d8ccff;border:1px solid rgba(174,151,255,.45);border-radius:99px;padding:2px 5px;margin-left:2px;}
@media(max-width:760px){#tab-arkheon{padding:16px}.arkheon-shell{padding-top:12px}.arkheon-tagline{font-size:17px}.arkheon-card{min-height:0}.arkheon-card p{min-height:0}}

/* Origin foundation chamber */
.arkheon-origin-launch .arkheon-enter-origin{display:inline-block;color:#d8ccff;font:500 9px var(--mono);letter-spacing:.1em;text-decoration:none;border-bottom:1px solid rgba(174,151,255,.45);padding-bottom:5px;}
.arkheon-origin-section{max-width:900px;margin:54px auto 0;padding:34px 0 10px;border-top:1px solid rgba(174,151,255,.22);text-align:left;scroll-margin-top:24px;}
.arkheon-section-title{font:500 clamp(27px,4vw,40px) var(--display);color:#eee9ff;margin:12px 0;}
.arkheon-origin-lead{max-width:760px;color:var(--ink-dim);font:italic 17px/1.65 var(--serif);margin:0 0 24px;}
.arkheon-sequence{display:grid;gap:9px;}
.arkheon-sequence details{border:1px solid rgba(174,151,255,.2);border-radius:12px;background:rgba(20,16,38,.52);padding:0 17px;}
.arkheon-sequence summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:15px;min-height:58px;color:#eee9ff;}
.arkheon-sequence summary::-webkit-details-marker{display:none;}
.arkheon-sequence summary span{font:500 10px var(--mono);color:#b6a5ff;letter-spacing:.12em;}
.arkheon-sequence summary b{font:500 17px var(--serif);letter-spacing:.02em;}
.arkheon-sequence details[open] summary{border-bottom:1px solid rgba(174,151,255,.15);}
.arkheon-sequence details p{font:13px/1.75 var(--ui);color:var(--ink-dim);margin:13px 0;}
.arkheon-sequence details p b{color:#e4dcff;}
.arkheon-source-note{margin-top:22px;padding:18px 20px;border-left:2px solid #9b8cff;background:rgba(155,140,255,.055);}
.arkheon-source-note>b{font:500 10px var(--mono);letter-spacing:.15em;color:#c5b8ff;text-transform:uppercase;}
.arkheon-source-note p{font:12px/1.7 var(--ui);color:var(--ink-dim);margin:8px 0 0;}

/* Free Origin preview and narrative threshold */
.arkheon-threshold{max-width:720px;margin:26px auto 18px;padding:clamp(22px,4vw,38px);text-align:center;border:1px solid rgba(174,151,255,.38);border-radius:18px;background:radial-gradient(ellipse at 50% 0%,rgba(137,106,225,.16),transparent 65%),linear-gradient(145deg,rgba(29,23,52,.78),rgba(7,9,19,.94));box-shadow:0 18px 65px rgba(0,0,0,.3)}
.arkheon-threshold-mark{font:500 9px var(--mono);letter-spacing:.24em;color:#b6a5ff}
.arkheon-threshold h3{font:500 clamp(23px,4vw,32px) var(--display);color:#f0eaff;margin:14px 0 9px}
.arkheon-threshold p{max-width:520px;margin:0 auto 20px;color:var(--ink-dim);font:15px/1.7 var(--serif)}
.arkheon-threshold button{padding:12px 25px;border-radius:999px}
.arkheon-threshold small{display:block;margin-top:12px;color:var(--ink-faint);font:9px var(--mono);letter-spacing:.08em}


/* Chamber 03: dedicated ARKHEON General AI */
.arkheon-card-action{display:inline-block;border:0;border-bottom:1px solid rgba(174,151,255,.55);background:transparent;color:#d8ccff;padding:0 0 6px;font:500 9px var(--mono);letter-spacing:.1em;cursor:pointer}
.arkheon-card-action:hover{color:#fff;border-color:#fff}
.arkheon-creator-section{margin-top:54px}
.arkheon-creator-boundary{margin:20px 0;padding:16px 18px;border:1px solid rgba(174,151,255,.22);border-radius:12px;background:rgba(155,140,255,.055)}
.arkheon-creator-boundary>b{font:500 9px var(--mono);letter-spacing:.18em;color:#c5b8ff}
.arkheon-creator-boundary p{font:12px/1.7 var(--ui);color:var(--ink-dim);margin:7px 0 0}
.arkheon-creator-prompts{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0}
.arkheon-creator-prompts button{border:1px solid rgba(174,151,255,.25);border-radius:999px;background:rgba(24,20,43,.7);color:#ddd5fa;padding:9px 13px;font:11px var(--ui);cursor:pointer}
.arkheon-creator-prompts button:hover{border-color:rgba(174,151,255,.65);background:rgba(66,51,104,.35)}
.arkheon-creator-console{overflow:hidden;border:1px solid rgba(174,151,255,.3);border-radius:16px;background:linear-gradient(150deg,rgba(20,17,36,.9),rgba(7,9,18,.96));box-shadow:0 18px 60px rgba(0,0,0,.25)}
.arkheon-creator-console-head{display:flex;justify-content:space-between;gap:12px;padding:13px 16px;border-bottom:1px solid rgba(174,151,255,.18);font:9px var(--mono);letter-spacing:.12em;color:#b6a5ff}
.arkheon-creator-log{display:grid;gap:12px;max-height:520px;min-height:190px;overflow:auto;padding:18px}
.arkheon-ai-message{max-width:90%;padding:13px 15px;border:1px solid rgba(174,151,255,.18);border-radius:12px;background:rgba(34,28,54,.55);text-align:left}
.arkheon-ai-message.is-user{justify-self:end;background:rgba(66,51,104,.3);border-color:rgba(174,151,255,.3)}
.arkheon-ai-role{font:500 8px var(--mono);letter-spacing:.16em;color:#b6a5ff}
.arkheon-ai-message p{font:13px/1.75 var(--ui);color:#e4def4;white-space:pre-wrap;margin:7px 0 0}
.arkheon-creator-compose{display:flex;gap:10px;align-items:flex-end;padding:14px;border-top:1px solid rgba(174,151,255,.15)}
.arkheon-creator-compose textarea{flex:1;min-width:0;resize:vertical;min-height:48px;max-height:140px;border:1px solid rgba(174,151,255,.25);border-radius:10px;background:rgba(5,7,15,.75);color:#f0eaff;padding:12px;font:13px/1.5 var(--ui)}
.arkheon-creator-compose button{min-height:46px;border-radius:10px;padding:0 16px;white-space:nowrap}
.arkheon-creator-console>small{display:block;padding:0 16px 13px;color:var(--ink-faint);font:9px var(--mono)}
@media(max-width:600px){.arkheon-creator-console-head{flex-direction:column}.arkheon-creator-compose{flex-direction:column;align-items:stretch}.arkheon-creator-compose button{width:100%}.arkheon-ai-message{max-width:100%}}


/* Chamber 04: Activation Gate */
.arkheon-gate-section[hidden]{display:none}
.arkheon-gate-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:24px 0}
.arkheon-gate-grid article{padding:20px;border:1px solid rgba(174,151,255,.22);border-radius:14px;background:rgba(24,20,43,.58)}
.arkheon-gate-grid article>span,.arkheon-gate-consent>p,.arkheon-gate-complete>span{font:9px var(--mono);letter-spacing:.14em;color:#b6a5ff}
.arkheon-gate-grid h3,.arkheon-gate-complete h3{font:500 19px var(--display);color:#eee9ff;margin:14px 0 8px}
.arkheon-gate-grid p,.arkheon-gate-complete p{font:12px/1.75 var(--ui);color:var(--ink-dim);margin:0}
.arkheon-gate-consent{max-width:760px;margin:24px auto;padding:22px;border:1px solid rgba(174,151,255,.3);border-radius:14px;background:rgba(13,12,26,.7)}
.arkheon-gate-consent label{display:flex;align-items:flex-start;gap:12px;text-align:left;color:#e4def4;font:13px/1.7 var(--ui);cursor:pointer}
.arkheon-gate-consent input{margin-top:4px;accent-color:#a995ff}
.arkheon-gate-consent button{display:block;margin:20px auto 8px;padding:12px 26px;border-radius:999px}
.arkheon-gate-consent button:disabled{opacity:.4;cursor:not-allowed}
.arkheon-gate-consent>p{text-align:center;color:var(--ink-faint)}
.arkheon-gate-complete{max-width:760px;margin:18px auto;padding:24px;border:1px solid rgba(174,151,255,.32);border-radius:14px;background:rgba(70,54,110,.16);text-align:center}
@media(max-width:700px){.arkheon-gate-grid{grid-template-columns:1fr}}


/* Chamber 05: Activation Protocol */
.arkheon-protocol-section[hidden]{display:none}
.arkheon-protocol-intro{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:22px 0}
.arkheon-protocol-intro>div{padding:15px;border:1px solid rgba(174,151,255,.2);border-radius:12px;background:rgba(24,20,43,.5)}
.arkheon-protocol-intro span,.arkheon-protocol-progress-top,.arkheon-protocol-complete>span{display:block;font:9px var(--mono);letter-spacing:.13em;color:#b6a5ff}
.arkheon-protocol-intro b{display:block;margin-top:7px;color:#eee9ff;font:500 15px var(--serif)}
.arkheon-protocol-progress{max-width:850px;margin:26px auto 14px}
.arkheon-protocol-progress-top{display:flex;justify-content:space-between;margin-bottom:8px}
.arkheon-protocol-track{height:4px;border-radius:9px;background:rgba(174,151,255,.14);overflow:hidden}
.arkheon-protocol-track>span{display:block;width:25%;height:100%;background:#aa96ff;transition:width .25s}
.arkheon-protocol-stage{max-width:850px;margin:0 auto;padding:clamp(20px,4vw,34px);border:1px solid rgba(174,151,255,.25);border-radius:16px;background:linear-gradient(145deg,rgba(29,23,52,.65),rgba(7,9,19,.9));text-align:left}
.arkheon-protocol-stage h3{font:500 clamp(22px,4vw,30px) var(--display);color:#f0eaff;margin:14px 0 10px}
.arkheon-protocol-stage>p{font:14px/1.8 var(--ui);color:var(--ink-dim);margin:0 0 22px}
.arkheon-protocol-stage label{display:block;margin-bottom:8px;color:#d8ccff;font:12px var(--ui)}
.arkheon-protocol-stage textarea{width:100%;min-height:100px;resize:vertical;border:1px solid rgba(174,151,255,.25);border-radius:10px;background:rgba(5,7,15,.75);color:#f0eaff;padding:12px;font:13px/1.6 var(--ui)}
.arkheon-protocol-stage small{display:block;margin-top:8px;color:var(--ink-faint);font:9px/1.6 var(--mono)}
.arkheon-protocol-controls{max-width:850px;margin:14px auto;display:flex;justify-content:space-between;gap:12px}
.arkheon-protocol-controls button,.arkheon-protocol-complete button{padding:11px 18px;border-radius:999px}
.arkheon-protocol-controls button:disabled{opacity:.35;cursor:not-allowed}
.arkheon-protocol-complete{max-width:850px;margin:18px auto;padding:26px;border:1px solid rgba(174,151,255,.3);border-radius:15px;background:rgba(70,54,110,.16);text-align:center}
.arkheon-protocol-complete h3{font:500 22px var(--display);color:#f0eaff;margin:12px 0}
.arkheon-protocol-complete p{max-width:580px;margin:0 auto 18px;color:var(--ink-dim);font:13px/1.7 var(--ui)}
@media(max-width:600px){.arkheon-protocol-intro{grid-template-columns:1fr}.arkheon-protocol-controls{flex-direction:column}.arkheon-protocol-controls button{width:100%}}


/* Chamber 06: configurable Transmission Chamber */
.arkheon-transmissions-section[hidden]{display:none}
.arkheon-transmission-filter{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}
.arkheon-transmission-filter button{border:1px solid rgba(174,151,255,.24);border-radius:999px;background:rgba(24,20,43,.55);color:#cfc5eb;padding:9px 14px;font:9px var(--mono);letter-spacing:.1em;cursor:pointer}
.arkheon-transmission-filter button.is-active{background:rgba(117,91,180,.28);border-color:rgba(174,151,255,.65);color:#fff}
.arkheon-transmission-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
.arkheon-transmission-card{min-width:0;padding:20px;border:1px solid rgba(174,151,255,.23);border-radius:15px;background:linear-gradient(145deg,rgba(29,23,52,.68),rgba(7,9,19,.9))}
.arkheon-transmission-platform{font:9px var(--mono);letter-spacing:.15em;color:#b6a5ff}
.arkheon-transmission-card h3{font:500 20px var(--display);color:#f0eaff;margin:13px 0 8px;overflow-wrap:anywhere}
.arkheon-transmission-card p{min-height:42px;font:12px/1.7 var(--ui);color:var(--ink-dim);margin:0 0 17px}
.arkheon-transmission-card a{display:inline-block;color:#d8ccff;text-decoration:none;border-bottom:1px solid rgba(174,151,255,.5);padding-bottom:5px;font:9px var(--mono);letter-spacing:.1em}
.arkheon-transmission-empty{grid-column:1/-1;padding:28px;border:1px dashed rgba(174,151,255,.25);border-radius:14px;color:var(--ink-dim);font:13px/1.7 var(--ui);text-align:center}
.arkheon-transmission-note{margin-top:15px;color:var(--ink-faint);font:10px/1.6 var(--mono)}
@media(max-width:760px){.arkheon-transmission-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.arkheon-transmission-grid{grid-template-columns:1fr}}


/* Chamber 07: searchable Meta-Library */
.arkheon-library-section[hidden]{display:none}
.arkheon-library-boundary{margin:20px 0;padding:16px 18px;border:1px solid rgba(174,151,255,.24);border-radius:12px;background:rgba(155,140,255,.055)}
.arkheon-library-boundary>b{font:500 9px var(--mono);letter-spacing:.17em;color:#c5b8ff}
.arkheon-library-boundary p{font:12px/1.7 var(--ui);color:var(--ink-dim);margin:7px 0 0}
.arkheon-library-search{display:grid;grid-template-columns:1fr auto;gap:8px 16px;align-items:center;margin:24px 0 14px}
.arkheon-library-search label{grid-column:1/-1;font:9px var(--mono);letter-spacing:.16em;color:#b6a5ff}
.arkheon-library-search input{width:100%;min-width:0;border:1px solid rgba(174,151,255,.28);border-radius:10px;background:rgba(5,7,15,.75);color:#f0eaff;padding:13px 14px;font:13px var(--ui)}
.arkheon-library-search>span{font:9px var(--mono);letter-spacing:.1em;color:var(--ink-faint);white-space:nowrap}
.arkheon-library-filters{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 20px}
.arkheon-library-filters button{border:1px solid rgba(174,151,255,.24);border-radius:999px;background:rgba(24,20,43,.55);color:#cfc5eb;padding:9px 13px;font:9px var(--mono);letter-spacing:.08em;cursor:pointer}
.arkheon-library-filters button.is-active{background:rgba(117,91,180,.28);border-color:rgba(174,151,255,.65);color:#fff}
.arkheon-library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
.arkheon-library-card{min-width:0;padding:19px;border:1px solid rgba(174,151,255,.22);border-radius:14px;background:linear-gradient(145deg,rgba(29,23,52,.62),rgba(7,9,19,.9))}
.arkheon-library-meta{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;font:8px var(--mono);letter-spacing:.1em;color:#b6a5ff}
.arkheon-library-meta span+span{color:var(--ink-faint);text-align:right}
.arkheon-library-card h3{font:500 19px var(--display);color:#f0eaff;margin:13px 0 8px}
.arkheon-library-card>p{font:12px/1.7 var(--ui);color:var(--ink-dim);margin:0 0 14px}
.arkheon-library-source{padding-top:10px;border-top:1px solid rgba(174,151,255,.13);font:9px/1.6 var(--mono);color:#b6a5ff}
.arkheon-library-card details{margin-top:12px}
.arkheon-library-card details summary{list-style:none;cursor:pointer;color:#ded5ff;font:9px var(--mono);letter-spacing:.1em}
.arkheon-library-card details summary::-webkit-details-marker{display:none}
.arkheon-library-card details p{font:12px/1.75 var(--ui);color:var(--ink-dim);margin:10px 0 0}
.arkheon-library-empty{grid-column:1/-1;padding:26px;border:1px dashed rgba(174,151,255,.25);border-radius:14px;color:var(--ink-dim);font:13px/1.7 var(--ui);text-align:center}
.arkheon-library-source-register{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:28px}
.arkheon-library-source-register h3{grid-column:1/-1;font:500 20px var(--display);color:#eee9ff;margin:0}
.arkheon-library-source-register>div{padding:16px;border:1px solid rgba(174,151,255,.2);border-radius:12px;background:rgba(24,20,43,.45)}
.arkheon-library-source-register b{display:block;font:500 14px var(--serif);color:#eee9ff}
.arkheon-library-source-register p{font:11px/1.65 var(--ui);color:var(--ink-dim);margin:8px 0}
.arkheon-library-source-register span{font:8px var(--mono);letter-spacing:.1em;color:#b6a5ff}
@media(max-width:760px){.arkheon-library-grid,.arkheon-library-source-register{grid-template-columns:1fr}}
@media(max-width:560px){.arkheon-library-search{grid-template-columns:1fr}.arkheon-library-search>span{white-space:normal}}