/* =============================================================
   SIV CONVERSATION — the interactive layer on paths/decisions.html
   "Calm clinical." A finite, Socratic thinking session that ends
   with a printable thinking artefact.
   ============================================================= */

.siv-conversation{
  padding: 100px var(--gutter);
  background: var(--paper);
  border-top: 1px solid var(--rule);
}
.siv-inner{
  max-width: 720px;
  margin: 0 auto;
}

/* ---------- Phase indicator ---------- */
.siv-phases{
  display: flex;
  gap: 8px;
  margin-bottom: 56px;
  align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-4);
  justify-content: center;
  flex-wrap: wrap;
}
.siv-phase{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color .25s;
}
.siv-phase .bar{
  width: 24px;
  height: 1px;
  background: var(--rule);
  display: inline-block;
  transition: background .25s;
}
.siv-phase.passed{ color: var(--ink-3); }
.siv-phase.passed .bar{ background: var(--ink-3); }
.siv-phase.active{ color: var(--accent); }
.siv-phase.active .bar{ background: var(--accent); }
.siv-phase .sep{ color: var(--rule); font-size: 14px; }

/* ---------- Intro (the threshold) ---------- */
.siv-intro{
  text-align: center;
}
.siv-intro h2{
  font-family: var(--serif);
  font-weight: 400;
  font-size: 48px;
  line-height: 1.05;
  letter-spacing: -0.018em;
  color: var(--ink);
  margin-bottom: 24px;
}
.siv-intro h2 em{ font-style: italic; color: var(--accent); }
.siv-intro .lede{
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-2);
  margin-bottom: 48px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 400;
}

/* ---------- Threshold input — large free-text ---------- */
.siv-threshold-form{
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}
.siv-threshold-form textarea{
  width: 100%;
  min-height: 180px;
  padding: 22px 0 18px;
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.5;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink);
  outline: none;
  resize: vertical;
  letter-spacing: -0.005em;
}
.siv-threshold-form textarea::placeholder{
  color: var(--ink-4);
  font-style: italic;
}
.siv-helper{
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--ink-3);
  margin-top: -8px;
}
.siv-threshold-form .row{
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 24px;
}
.siv-threshold-form .privacy{
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.siv-submit{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  border: 0;
  padding: 16px 28px;
  cursor: pointer;
  transition: background .15s;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.siv-submit:hover:not(:disabled){ background: var(--accent); }
.siv-submit:disabled{ background: var(--ink-4); cursor: not-allowed; }
.siv-submit .arrow{
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  letter-spacing: 0;
  text-transform: none;
}

/* ---------- Conversation thread ---------- */
.siv-thread{
  display: flex;
  flex-direction: column;
  gap: 36px;
  margin-bottom: 40px;
}
.siv-turn{
  animation: fadeIn .35s ease-out both;
}
@keyframes fadeIn{
  from{ opacity: 0; transform: translateY(4px); }
  to{ opacity: 1; transform: translateY(0); }
}

.siv-ai{
  display: grid;
  grid-template-columns: 1px 1fr;
  gap: 24px;
}
.siv-ai .rule{
  background: var(--accent);
  width: 1px;
  align-self: stretch;
}
.siv-ai .body{
  padding-left: 8px;
}
.siv-ai .meta{
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 10px;
}
.siv-ai .text{
  font-family: var(--serif);
  font-style: italic;
  font-size: 21px;
  line-height: 1.5;
  color: var(--ink);
  letter-spacing: -0.005em;
  font-weight: 400;
}
.siv-ai .text strong{ font-weight: 500; font-style: normal; }
.siv-ai .text p{ margin-bottom: 14px; }
.siv-ai .text p:last-child{ margin-bottom: 0; }
.siv-ai .text ol{
  font-style: normal;
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.55;
  padding-left: 24px;
  margin: 14px 0;
}
.siv-ai .text ol li{ padding: 6px 0; }

.siv-user{
  padding-left: 0;
  margin-left: 0;
}
.siv-user .meta{
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 8px;
  text-align: right;
}
.siv-user .text{
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-2);
  text-align: right;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule-soft);
  white-space: pre-wrap;
}

/* ---------- Thinking dots while AI generates ---------- */
.siv-thinking{
  display: inline-flex;
  gap: 4px;
  align-items: center;
}
.siv-thinking span{
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--ink-3);
  animation: dots 1.2s infinite;
}
.siv-thinking span:nth-child(2){ animation-delay: 0.15s; }
.siv-thinking span:nth-child(3){ animation-delay: 0.3s; }
@keyframes dots {
  0%, 60%, 100% { opacity: 0.2; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-2px); }
}

/* ---------- Continue input — appears at the end of each AI turn ---------- */
.siv-continue{
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 16px;
  animation: fadeIn .35s ease-out both;
}
.siv-continue textarea{
  width: 100%;
  min-height: 100px;
  padding: 18px 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink);
  outline: none;
  resize: vertical;
}
.siv-continue textarea::placeholder{
  color: var(--ink-4);
  font-style: italic;
  font-family: var(--serif);
}
.siv-continue .row{
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 24px;
}
.siv-continue .hint{
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-right: auto;
}
.siv-continue .hint kbd{
  font-family: var(--mono);
  font-size: 10px;
  background: var(--paper-2);
  padding: 2px 6px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  letter-spacing: 0;
}
.siv-continue .ghost-link{
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  color: var(--ink-3);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
  cursor: pointer;
  background: transparent;
  border-top: 0; border-left: 0; border-right: 0;
}
.siv-continue .ghost-link:hover{ color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- Foot note ---------- */
.siv-foot{
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--ink-3);
  text-align: center;
  line-height: 1.5;
}
.siv-foot em{ color: var(--ink-2); font-style: italic; }
.siv-foot a, .siv-foot button.linkish{
  color: var(--ink-2);
  background: transparent;
  border: 0;
  padding: 0;
  font: inherit;
  cursor: pointer;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
  margin: 0 6px;
}
.siv-foot a:hover, .siv-foot button.linkish:hover{ color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- Error banner ---------- */
.siv-error{
  background: var(--paper-2);
  border: 1px solid var(--accent);
  padding: 18px 22px;
  margin-top: 24px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.5;
}
.siv-error strong{ font-style: normal; font-weight: 500; color: var(--accent); }

/* ============================================================
   THE ARTEFACT
   What the visitor takes away. Printable, saveable, ceremonial.
   ============================================================ */
.siv-artefact{
  background: var(--paper-3);
  border: 1px solid var(--rule);
  padding: 72px 64px;
  position: relative;
  box-shadow: 0 24px 60px -30px rgba(20,17,10,0.18), 0 4px 12px rgba(20,17,10,0.04);
  animation: fadeIn .55s ease-out both;
}
.siv-artefact .top-rule{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 48px;
}
.siv-artefact .top-rule .line{
  flex: 1;
  height: 1px;
  background: var(--rule);
  max-width: 80px;
}
.siv-artefact .top-rule .label{
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.siv-artefact h2.art-title{
  font-family: var(--serif);
  font-weight: 400;
  font-size: 40px;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 6px;
  text-align: center;
}
.siv-artefact h2.art-title em{ font-style: italic; }
.siv-artefact .art-subtitle{
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  color: var(--ink-3);
  text-align: center;
  margin-bottom: 56px;
}

.art-row{
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule-soft);
}
.art-row:last-of-type{ border-bottom: 0; }
.art-label{
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-top: 4px;
}
.art-content{
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink);
  font-weight: 400;
}
.art-content p{ margin-bottom: 10px; }
.art-content p:last-child{ margin-bottom: 0; }
.art-content ul{
  list-style: none;
  padding: 0;
  margin: 0;
}
.art-content ul li{
  padding: 6px 0 6px 22px;
  position: relative;
  font-size: 17px;
  line-height: 1.5;
}
.art-content ul li::before{
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-style: italic;
  font-family: var(--serif);
}

.art-divider{
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 40px 0 32px;
  color: var(--accent);
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
}
.art-divider::before, .art-divider::after{
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
  max-width: 100px;
  margin: 0 16px;
}

.art-unresolved{
  background: var(--ink);
  color: var(--paper);
  padding: 36px 40px;
  margin: 0 -16px;
}
.art-unresolved .art-label{
  color: var(--accent-2);
  margin-bottom: 14px;
  padding-top: 0;
}
.art-unresolved .question{
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  color: var(--paper);
  letter-spacing: -0.005em;
}

.art-foot{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}
.art-foot .stamp{
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  line-height: 1.6;
}
.art-foot .stamp em{
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink-2);
}

.art-actions{
  display: flex;
  gap: 12px;
  align-items: flex-start;
  justify-content: flex-end;
  flex-wrap: wrap;
}
.art-action{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  border: 1px solid var(--ink);
  cursor: pointer;
  background: transparent;
  color: var(--ink);
  transition: background .15s, color .15s;
}
.art-action:hover{ background: var(--ink); color: var(--paper); }
.art-action.primary{ background: var(--ink); color: var(--paper); }
.art-action.primary:hover{ background: var(--accent); border-color: var(--accent); }

/* ---------- Print rules — artefact-only when printing ---------- */
@media print {
  body * { visibility: hidden !important; }
  .siv-artefact, .siv-artefact * { visibility: visible !important; }
  .siv-artefact{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    box-shadow: none;
    border: 0;
    padding: 32px 24px;
    background: white;
  }
  .art-actions{ display: none !important; }
}

@media (max-width: 720px){
  .siv-conversation{ padding: 56px 28px; }
  .siv-intro h2{ font-size: 32px; }
  .siv-intro .lede{ font-size: 16px; }
  .siv-threshold-form textarea{ font-size: 17px; }
  .siv-ai .text{ font-size: 18px; }
  .siv-phases{ font-size: 9px; }
  .siv-phase .bar{ width: 16px; }
  .siv-artefact{ padding: 40px 24px; }
  .siv-artefact h2.art-title{ font-size: 28px; }
  .art-row{ grid-template-columns: 1fr; gap: 8px; padding: 20px 0; }
  .art-content{ font-size: 16px; }
  .art-unresolved{ padding: 28px 24px; margin: 0 -8px; }
  .art-unresolved .question{ font-size: 18px; }
  .art-foot{ grid-template-columns: 1fr; }
  .art-actions{ justify-content: flex-start; }
}