/* ── TOKENS ── */
:root {
  --green:      #1B3A2F;
  --green-deep: #FBF8F3;
  --green-mid:  #F3ECE0;
  --gold:       #8B5A2B;
  --gold-dim:   #8B5A2B;
  --amber:      #A0714A;
  --parchment:  #1F1A14;
  --parchment-dim: #6B5D4C;
  --sand:       #E6DCCB;
  --surface:    #FFFFFF;
  --border:     #E6DCCB;
  --border-dim: #E6DCCB;
  color-scheme: light;
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top,0px);
  padding-bottom: env(safe-area-inset-bottom,0px);
}
*,*::before,*::after{box-sizing:inherit;margin:0;padding:0;}
html,body{height:100%;background:var(--green-deep);color:var(--parchment);font-family:'EB Garamond',Georgia,serif;}

/* ── UTILITY ── */
.mono{font-family:'Courier New',monospace;}
.cinzel{font-family:'Cinzel',serif;}
.gold{color:var(--gold);}
.dim{color:var(--parchment-dim);}
.center{text-align:center;}

/* ── LAYOUT ── */
.shell{min-height:100vh;display:flex;flex-direction:column;}
.page{flex:1;max-width:680px;margin:0 auto;padding:28px 20px 60px;width:100%;}

/* ── HEADER ── */
header{
  border-bottom:1px solid var(--border);
  padding:16px 28px;
  background:rgba(13,33,24,0.9);
  backdrop-filter:blur(12px);
  position:sticky;top:env(safe-area-inset-top,0px);z-index:20;
}
.header-inner{max-width:680px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;}
.wordmark{display:flex;align-items:center;gap:2px;}
.wordmark-e{font-family:'Cinzel',serif;font-size:26px;font-weight:700;color:var(--gold);letter-spacing:3px;line-height:1;}
.wordmark-eye{
  width:18px;height:26px;display:inline-flex;align-items:center;justify-content:center;
  position:relative;margin:0 1px;
}
.wordmark-eye svg{display:block;}
.powered{font-size:9px;color:rgba(199,162,75,0.4);font-family:'Courier New',monospace;letter-spacing:1.5px;margin-top:3px;}

/* ── MODE SWITCHER ── */
.mode-row{display:flex;gap:0;border:1px solid var(--border-dim);border-radius:4px;overflow:hidden;margin-bottom:28px;}
.mode-btn{
  flex:1;padding:10px 0;background:none;border:none;cursor:pointer;
  font-family:'Cinzel',serif;font-size:10px;letter-spacing:2px;color:rgba(255,255,255,0.3);
  transition:all 0.2s;border-right:1px solid var(--border-dim);
}
.mode-btn:last-child{border-right:none;}
.mode-btn.active{background:rgba(199,162,75,0.1);color:var(--gold);}

/* ── BINARY INPUT ── */
.section-label{font-size:9px;letter-spacing:2.5px;color:var(--gold-dim);font-family:'Courier New',monospace;margin-bottom:10px;opacity:0.8;}
.binary-input-row{display:flex;gap:8px;align-items:stretch;margin-bottom:8px;}
.binary-field{
  flex:1;padding:14px 16px;background:rgba(0,0,0,0.4);
  border:1px solid var(--border-dim);border-radius:3px;
  color:var(--parchment);font-family:'Courier New',monospace;font-size:18px;letter-spacing:4px;
  outline:none;transition:border-color 0.2s;
}
.binary-field:focus{border-color:var(--gold);}
.binary-field::placeholder{font-size:14px;letter-spacing:2px;opacity:0.3;}

/* ── BINARY BLOCK VISUALISER ── */
.bet-bar{display:flex;gap:3px;flex-wrap:wrap;margin:10px 0 18px;}
.bet-bit{
  width:18px;height:30px;border-radius:2px;display:flex;align-items:flex-end;justify-content:center;
  padding-bottom:3px;transition:all 0.3s ease;
}
.bet-bit.one{background:var(--gold);box-shadow:0 0 8px rgba(199,162,75,0.4);}
.bet-bit.zero{background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.1);}
.bet-bit span{font-size:8px;font-family:'Courier New',monospace;color:rgba(0,0,0,0.5);}
.bet-bit.zero span{color:rgba(255,255,255,0.2);}
.bet-legend{display:flex;gap:16px;margin-bottom:4px;}
.bet-legend span{font-size:9px;font-family:'Courier New',monospace;color:var(--parchment-dim);display:flex;align-items:center;gap:5px;}
.leg-1{width:10px;height:10px;background:var(--gold);border-radius:1px;display:inline-block;}
.leg-0{width:10px;height:10px;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);border-radius:1px;display:inline-block;}

/* ── CONTEXT INPUT ── */
.context-field{
  width:100%;min-height:80px;padding:12px 14px;
  background:rgba(0,0,0,0.3);border:1px solid var(--border-dim);border-radius:3px;
  color:var(--parchment);font-family:'EB Garamond',Georgia,serif;font-size:14px;line-height:1.6;
  resize:vertical;outline:none;transition:border-color 0.2s;
}
.context-field:focus{border-color:var(--gold);}
.context-field::placeholder{color:rgba(255,255,255,0.2);font-style:italic;}

/* ── OMA BUTTON ── */
.eve-btn{
  width:100%;padding:16px;background:var(--gold);color:var(--green-deep);
  border:none;cursor:pointer;font-family:'Cinzel',serif;font-size:12px;
  letter-spacing:3px;font-weight:600;border-radius:3px;
  transition:all 0.2s;margin-top:14px;
}
.eve-btn:hover{background:#D4AF62;}
.eve-btn:disabled{background:rgba(255,255,255,0.08);color:rgba(255,255,255,0.2);cursor:not-allowed;}
.ghost-btn{
  background:none;border:1px solid var(--border);padding:8px 16px;cursor:pointer;
  font-family:'Cinzel',serif;font-size:9px;letter-spacing:2px;color:var(--parchment-dim);
  border-radius:3px;transition:all 0.2s;
}
.ghost-btn:hover{border-color:var(--gold);color:var(--gold);}

/* ── SESSION PANEL ── */
.session-code-display{
  padding:20px 24px;background:rgba(0,0,0,0.4);border:1px solid var(--border);
  border-radius:3px;text-align:center;margin-bottom:20px;
}
.big-code{font-family:'Cinzel',serif;font-size:32px;letter-spacing:8px;color:var(--gold);margin:8px 0;}
.participant-list{margin-top:16px;}
.p-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 12px;border-bottom:1px solid var(--border-dim);font-size:13px;
}
.p-bit{
  width:28px;height:28px;border-radius:2px;display:flex;align-items:center;justify-content:center;
  font-family:'Courier New',monospace;font-size:13px;font-weight:700;
}
.p-bit.one{background:rgba(199,162,75,0.2);color:var(--gold);border:1px solid rgba(199,162,75,0.4);}
.p-bit.zero{background:rgba(255,255,255,0.04);color:rgba(255,255,255,0.3);border:1px solid var(--border-dim);}
.p-bit.waiting{background:rgba(255,255,255,0.02);color:rgba(255,255,255,0.15);border:1px dashed rgba(255,255,255,0.1);}

/* ── BINARY CHOICE (participant view) ── */
.choice-wrap{padding:20px 0 10px;text-align:center;}
.choice-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0;}
.choice-card{
  padding:28px 16px;background:rgba(0,0,0,0.3);border:2px solid var(--border-dim);
  border-radius:4px;cursor:pointer;transition:all 0.25s;
}
.choice-card:hover{border-color:var(--gold);background:rgba(199,162,75,0.06);}
.choice-card.selected{border-color:var(--gold);background:rgba(199,162,75,0.1);}
.choice-card.locked{cursor:default;opacity:0.7;}
.choice-num{font-family:'Cinzel',serif;font-size:48px;font-weight:700;color:var(--gold);line-height:1;}
.choice-label{font-size:13px;color:var(--parchment-dim);margin-top:8px;line-height:1.5;}
.locked-msg{font-size:11px;font-family:'Courier New',monospace;color:var(--gold);letter-spacing:1px;margin-top:12px;opacity:0.7;}

/* ── ARTEFACT PANEL ── */
.artefact-header{
  padding:20px 24px;background:rgba(0,0,0,0.4);border:1px solid var(--border);
  border-radius:3px 3px 0 0;margin-bottom:1px;
}
.artefact-seq{display:flex;gap:2px;flex-wrap:wrap;margin-top:10px;}
.artefact-bit{width:14px;height:22px;border-radius:2px;}
.artefact-bit.one{background:var(--gold);opacity:0.9;}
.artefact-bit.zero{background:rgba(255,255,255,0.08);}

/* Artefact tabs */
.artefact-tabs{display:flex;border-bottom:1px solid var(--border-dim);margin-bottom:0;}
.art-tab{
  flex:1;padding:10px 8px;background:none;border:none;cursor:pointer;
  font-family:'Cinzel',serif;font-size:9px;letter-spacing:1.5px;
  color:rgba(255,255,255,0.25);border-bottom:2px solid transparent;transition:all 0.2s;
}
.art-tab.active{color:var(--gold);border-bottom-color:var(--gold);}

.artefact-body{
  background:rgba(0,0,0,0.3);border:1px solid var(--border-dim);
  border-top:none;border-radius:0 0 3px 3px;padding:24px;min-height:160px;
}
.reading-text{font-size:15px;line-height:1.85;color:var(--parchment);font-family:'EB Garamond',Georgia,serif;}
.reading-text em{color:var(--gold);font-style:italic;}

/* Image artefact */
.image-wrap{text-align:center;}
.generated-image{width:100%;border-radius:3px;max-height:420px;object-fit:cover;display:block;margin-bottom:10px;}
.image-caption{font-size:11px;font-family:'Courier New',monospace;color:var(--parchment-dim);letter-spacing:1px;}
.image-placeholder{
  width:100%;height:280px;background:linear-gradient(135deg,rgba(27,58,47,0.8),rgba(13,33,24,0.9));
  border:1px dashed rgba(199,162,75,0.2);border-radius:3px;display:flex;align-items:center;
  justify-content:center;flex-direction:column;gap:10px;margin-bottom:10px;
}

/* ── LOADING ── */
.loading-wrap{text-align:center;padding:48px 20px;}
.loader-ring{
  width:40px;height:40px;border:2px solid rgba(199,162,75,0.15);
  border-top-color:var(--gold);border-radius:50%;
  animation:spin 1.2s linear infinite;margin:0 auto 20px;
}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,80%,100%{opacity:.15;transform:scale(.7)}40%{opacity:1;transform:scale(1.2)}}

/* ── INPUT CARD ── */
.input-card{
  background:var(--surface);border:1px solid var(--border-dim);
  border-radius:3px;padding:22px;margin-bottom:16px;
}
.input-card + .input-card{margin-top:0;}
.divider{height:1px;background:var(--border-dim);margin:18px 0;}

/* ── ERROR ── */
.error-bar{
  padding:10px 14px;background:rgba(160,60,60,0.12);border:1px solid rgba(200,80,80,0.3);
  border-radius:3px;color:#E8A0A0;font-size:12px;font-family:'Courier New',monospace;margin-top:12px;
}

/* ── FOOTER ── */
footer{border-top:1px solid var(--border-dim);padding:20px 28px;text-align:center;}
footer p{font-size:9px;font-family:'Courier New',monospace;color:rgba(199,162,75,0.25);letter-spacing:2px;}

/* ── RESPONSIVE ── */
@media(max-width:480px){
  .choice-cards{grid-template-columns:1fr 1fr;gap:10px;}
  .choice-num{font-size:36px;}
  .big-code{font-size:24px;letter-spacing:5px;}
}

/* ── BRAND: light boxes, binaries and readings ── */
.binary-field,.context-field{background:#FFFFFF !important;color:#111111 !important;border-color:rgba(0,0,0,0.15) !important;}
.binary-field:focus,.context-field:focus{border-color:var(--gold) !important;}
.binary-field::placeholder,.context-field::placeholder{color:rgba(0,0,0,0.4) !important;opacity:1;}
.bet-bit,.bet-bit.one,.bet-bit.zero{background:#FFFFFF;border:1px solid rgba(0,0,0,0.15);box-shadow:none;}
.bet-bit.one{border-bottom:3px solid var(--gold);}
.bet-bit span,.bet-bit.zero span{color:#111111;font-size:10px;font-weight:700;}
.p-bit.one,.p-bit.zero{background:#FFFFFF;color:#111111;border:1px solid rgba(0,0,0,0.15);}
.p-bit.one{border-bottom:3px solid var(--gold);}
.artefact-bit.zero{background:#FFFFFF;}
.artefact-body{background:#FFFFFF !important;border-color:rgba(0,0,0,0.1) !important;}
.reading-text{color:#111111 !important;}
.reading-text em{color:#7A5A12 !important;}
.artefact-body .image-caption{color:#333333;}
.auth-msg{font-size:12px;font-family:'Courier New',monospace;margin-top:10px;letter-spacing:0.5px;}
.input-card > .binary-field{width:100%;}

/* ── OMA BRAND PALETTE (warm white · sand · earthy brown · ANIMA green) ── */
html,body{background:#FBF8F3;color:#1F1A14;}
body{background:
  radial-gradient(1200px 600px at 10% -10%,rgba(230,220,203,0.55),transparent 60%),
  radial-gradient(900px 500px at 110% 10%,rgba(139,90,43,0.07),transparent 60%),
  #FBF8F3;background-attachment:fixed;}
header{background:rgba(251,248,243,0.88);border-bottom:1px solid #E6DCCB;}
.wordmark-e{color:#8B5A2B;}
.powered,footer p{color:#1B3A2F !important;opacity:0.85;}
footer{border-top:1px solid #E6DCCB;}
h1,h2,h3,.cinzel{color:#8B5A2B;}
.input-card,.session-code-display,.artefact-header{background:#FFFFFF;border:1px solid #E6DCCB;border-radius:10px;box-shadow:0 1px 2px rgba(31,26,20,0.04),0 12px 32px -18px rgba(139,90,43,0.25);}
.artefact-header{border-radius:10px 10px 0 0;}
.artefact-body{border-color:#E6DCCB !important;border-radius:0 0 10px 10px;}
.mode-row{border-color:#E6DCCB;background:#FFFFFF;border-radius:999px;padding:3px;gap:3px;}
.mode-btn{color:#6B5D4C;border-right:none;border-radius:999px;}
.mode-btn.active{background:#8B5A2B;color:#FBF8F3;}
.binary-field,.context-field{background:#FFFFFF !important;color:#1F1A14 !important;border-color:#E6DCCB !important;border-radius:8px;}
.binary-field:focus,.context-field:focus{border-color:#8B5A2B !important;box-shadow:0 0 0 3px rgba(139,90,43,0.12);}
.bet-bit,.bet-bit.zero{background:#FFFFFF;border:1px solid #E6DCCB;border-radius:4px;}
.bet-bit.one{background:#8B5A2B;border-color:#8B5A2B;}
.bet-bit.one span{color:#FBF8F3;}
.bet-bit.zero span{color:#1F1A14;}
.leg-1{background:#8B5A2B;}
.leg-0{background:#FFFFFF;border:1px solid #E6DCCB;}
.p-bit.one{background:#8B5A2B;color:#FBF8F3;border-color:#8B5A2B;}
.p-bit.zero{background:#FFFFFF;color:#1F1A14;border:1px solid #E6DCCB;}
.p-row{border-bottom-color:#E6DCCB;}
.artefact-bit.one{background:#8B5A2B;}
.artefact-bit.zero{background:#FFFFFF;border:1px solid #E6DCCB;}
.art-tab{color:#6B5D4C;}
.art-tab.active{color:#8B5A2B;border-bottom-color:#8B5A2B;}
.reading-text{color:#1F1A14 !important;}
.reading-text em{color:#8B5A2B !important;}
.eve-btn{background:#8B5A2B;color:#FBF8F3;border-radius:8px;box-shadow:0 8px 20px -10px rgba(139,90,43,0.6);}
.eve-btn:hover{background:#74491F;}
.eve-btn:disabled{background:#E6DCCB;color:#9A8C78;box-shadow:none;}
.ghost-btn{border-color:#E6DCCB;color:#6B5D4C;background:#FFFFFF;border-radius:8px;}
.ghost-btn:hover{border-color:#8B5A2B;color:#8B5A2B;}
.choice-card{background:#FFFFFF;border-color:#E6DCCB;border-radius:12px;}
.choice-card:hover,.choice-card.selected{border-color:#8B5A2B;background:#FBF3E8;}
.big-code,.choice-num{color:#8B5A2B;}
.image-placeholder{background:linear-gradient(135deg,#F3ECE0,#FBF8F3);border-color:#E6DCCB;border-radius:10px;}
.loader-ring{border-color:#E6DCCB;border-top-color:#8B5A2B;}
.error-bar{background:#FBEDEA;border-color:#E3B3A9;color:#A3392B;}
.divider{background:#E6DCCB;}
.artefact-tabs{background:#FFFFFF;border-left:1px solid #E6DCCB;border-right:1px solid #E6DCCB;}
.section-label{opacity:1;}
.p-bit.waiting{background:#FBF8F3;color:#9A8C78;border:1px dashed #E6DCCB;}
.choice-card.locked{opacity:0.85;}
.image-caption{color:#6B5D4C;}

/* ── MOBILE APP FEEL ── */
html{-webkit-text-size-adjust:100%;}
body{overscroll-behavior-y:none;}
*{-webkit-tap-highlight-color:transparent;}
button,.choice-card,.mode-btn,.art-tab,a{touch-action:manipulation;user-select:none;-webkit-user-select:none;}
button:active,.choice-card:active{transform:scale(0.98);}
.eve-btn,.ghost-btn,.choice-card,.mode-btn,.art-tab{transition:transform .12s ease,background .2s,border-color .2s,color .2s;}
input,textarea,select{font-size:16px !important;}
header{padding-top:max(16px,env(safe-area-inset-top));}
:root{padding-top:0;}
footer{padding-bottom:max(20px,env(safe-area-inset-bottom));}
@media(max-width:600px){
  header{padding-left:16px;padding-right:16px;}
  .page{padding:20px 16px 40px;}
  .eve-btn,.ghost-btn{min-height:48px;}
  .mode-btn,.art-tab{min-height:44px;}
  .choice-card{min-height:120px;}
  .binary-field,.context-field{padding:14px;}
  .powered{font-size:8px;letter-spacing:1px;}
  footer p{font-size:8px;letter-spacing:1px;}
}

/* ── OMA PRESENCE: welcome only ── */
.page.page-welcome{max-width:1120px;padding:24px 28px 48px;}
.oma-welcome{letter-spacing:0;}
.oma-presence{position:relative;isolation:isolate;min-height:510px;overflow:hidden;border-bottom:1px solid var(--sand);}
.oma-presence-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:-1;animation:oma-arrive 1.8s ease-out both;}
.oma-introduction{position:relative;width:55%;padding:40px 36px 44px;}
.oma-eyebrow{font-family:'Courier New',monospace;font-size:10px;color:var(--parchment-dim);margin-bottom:22px;line-height:1.6;letter-spacing:0;}
.oma-introduction h1{font-family:'Cinzel',serif;font-size:70px;font-weight:500;line-height:1.1;letter-spacing:0;margin-bottom:18px;}
.oma-introduction h1 span{display:block;font-family:'EB Garamond',Georgia,serif;font-style:italic;font-size:22px;line-height:1.5;font-weight:400;}
.oma-catchphrase{font-size:34px;line-height:1.16;color:var(--parchment);font-style:italic;}
.oma-invitation{font-size:17px;line-height:1.5;margin:18px 0 24px;color:var(--parchment-dim);}
.oma-entry{display:flex;gap:10px;max-width:380px;}
.oma-entry .eve-btn,.oma-entry .ghost-btn{display:flex;align-items:center;justify-content:space-between;gap:12px;flex:1;min-height:48px;margin:0;padding:13px 16px;font-size:10px;letter-spacing:0;white-space:nowrap;}
.oma-entry span{font-family:Georgia,serif;font-size:20px;}
.oma-team-status{display:flex;align-items:center;gap:7px;font-family:'Courier New',monospace;font-size:10px;color:var(--green);margin-top:16px;}
.oma-team-status>span{width:6px;height:6px;border-radius:50%;background:var(--green);animation:oma-breathe 4s ease-in-out infinite;}
.oma-sequence{position:absolute;bottom:22px;right:26px;display:flex;gap:10px;font-family:'Courier New',monospace;font-size:12px;color:var(--green);}
.oma-sequence span{animation:oma-breathe 5s ease-in-out infinite;}
.oma-sequence span:nth-child(2n){animation-delay:1.5s;}
.oma-about{display:grid;grid-template-columns:1fr 1.15fr;gap:64px;padding:38px 36px 8px;}
.oma-about .oma-eyebrow{margin-bottom:12px;}
.oma-about h2{font-family:'Cinzel',serif;font-size:24px;font-weight:400;line-height:1.45;letter-spacing:0;}
.oma-about-copy p{font-size:17px;line-height:1.65;margin-bottom:12px;}
.oma-about-copy .oma-signature{font-family:'Courier New',monospace;font-size:10px;color:var(--green);margin-top:20px;}
@keyframes oma-arrive{from{opacity:0;}to{opacity:1;}}
@keyframes oma-breathe{0%,100%{opacity:1;}50%{opacity:.45;}}
@media(max-width:700px){
  .page.page-welcome{padding:0 0 32px;}
  .oma-presence{min-height:610px;}
  .oma-presence-image{object-position:65% center;}
  .oma-introduction{width:100%;padding:32px 24px 180px;background:linear-gradient(90deg,var(--green-deep),color-mix(in srgb,var(--green-deep) 88%,transparent) 52%,transparent);}
  .oma-introduction h1{font-size:58px;}
  .oma-catchphrase{font-size:30px;}
  .oma-entry{max-width:340px;}
  .oma-sequence{bottom:20px;right:24px;}
  .oma-about{grid-template-columns:1fr;gap:22px;padding:30px 24px 0;}
  .oma-about h2{font-size:22px;}
}
@media(prefers-reduced-motion:reduce){.oma-presence-image,.oma-team-status>span,.oma-sequence span{animation:none;}}