/* ════════════════════════════════════════════════════════════════
   FINTA 2040 — LOOP FORGE STUDIO STYLES
   ════════════════════════════════════════════════════════════════ */

.brand-sub { font-size: .72rem; color: var(--txt-3); font-weight: 400; }

.forge { padding-top: 8.5rem; padding-bottom: 4rem; }
.forge-head { max-width: 720px; margin-bottom: 2.6rem; }
.forge-head .chip { margin-bottom: 1.2rem; }
.forge-head h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); margin-bottom: 1rem; }
.forge-head .sub { font-size: 1.02rem; }

/* ─── Step rail ─────────────────────────────────────────────── */
.steprail {
  display: flex;
  gap: .3rem;
  list-style: none;
  padding: .55rem;
  border-radius: 999px;
  margin-bottom: 1.6rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.steprail::-webkit-scrollbar { display: none; }
.steprail li {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .6rem .9rem;
  border-radius: 999px;
  font-size: .8rem;
  color: var(--txt-3);
  cursor: pointer;
  white-space: nowrap;
  transition: all .3s var(--ease);
}
.steprail li b { font-family: var(--f-mono); font-weight: 600; font-size: .72rem; }
.steprail li:hover { color: var(--txt); background: var(--glass); }
.steprail li.on {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-hi), var(--blue-lo));
  box-shadow: var(--glow-sm);
}
.steprail li.done { color: var(--ok); }
.steprail li.gen.on { background: linear-gradient(135deg, var(--cyan), var(--blue-lo)); }

/* ─── Step panels ───────────────────────────────────────────── */
.forge-step {
  padding: 2.2rem 2.1rem;
  border-radius: var(--r-lg);
  animation: panelIn .45s var(--ease);
}
@keyframes panelIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}
.forge-step h2 {
  font-family: var(--f-display);
  font-size: 1.35rem;
  letter-spacing: -.01em;
  margin-bottom: .5rem;
}
.step-intro { color: var(--txt-2); font-size: .94rem; max-width: 46rem; margin-bottom: 1.8rem; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-bottom: 1.2rem; }
.field { margin-bottom: .4rem; }
.field output { float: right; color: var(--blue-hi); font-weight: 600; }
select.input { cursor: pointer; }
select.input option { background: var(--bg2); color: var(--txt); }

/* ─── Decision tree Q&A ─────────────────────────────────────── */
.qa {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .9rem;
  padding: .85rem 0;
  border-bottom: 1px dashed var(--glass-brd);
  animation: panelIn .4s var(--ease);
}
.qa-q { font-weight: 600; font-size: .93rem; }
.qa-opts { display: flex; gap: .5rem; }
.opt-mini {
  padding: .42rem 1rem;
  border-radius: 999px;
  font-size: .82rem;
  color: var(--txt-2);
  border: 1px solid var(--glass-brd);
  background: var(--glass);
  transition: all .25s var(--ease);
}
.opt-mini:hover { border-color: var(--glass-brd-hi); color: var(--txt); }
.opt-mini.sel {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-hi), var(--blue-lo));
  border-color: transparent;
}

/* ─── Profile / pattern cards ───────────────────────────────── */
.profile-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: .85rem;
  margin: 1.6rem 0 .8rem;
}
.pattern-grid { grid-template-columns: repeat(4, 1fr); }
.profile-grid .opt-card .t { font-size: .92rem; }
.profile-grid .opt-card .d { font-size: .76rem; }
.opt-card.rec { border-color: rgba(34,211,238,.5); }
.opt-card.rec::before {
  content: 'RECOMMENDED';
  position: absolute;
  top: -.55rem; left: 1rem;
  font-family: var(--f-mono);
  font-size: .56rem;
  letter-spacing: .12em;
  padding: .12rem .5rem;
  border-radius: 999px;
  color: var(--bg1);
  background: var(--cyan);
}

/* ─── HTL grid ──────────────────────────────────────────────── */
.htl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }

/* ─── Criteria rows ─────────────────────────────────────────── */
.crit-row {
  display: grid;
  grid-template-columns: 1.5fr .8fr 1.2fr auto;
  gap: .7rem;
  align-items: start;
  padding: .95rem;
  margin-bottom: .7rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--glass-brd);
  background: var(--glass);
  animation: panelIn .35s var(--ease);
}
.crit-row .del {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--err);
  border: 1px solid transparent;
  transition: all .25s;
}
.crit-row .del:hover { border-color: var(--err); background: rgba(251,113,133,.1); }
.crit-row .mode-soft  { border-color: rgba(251,191,36,.4); }
.crit-row .mode-note { grid-column: 1 / -1; font-size: .74rem; color: var(--txt-3); }

/* ─── Sub-agents ────────────────────────────────────────────── */
.zone-t {
  font-family: var(--f-display);
  font-size: 1.02rem;
  margin: 1.7rem 0 .6rem;
}
.sub-row {
  display: grid;
  grid-template-columns: .9fr 1.3fr .7fr 1.2fr auto;
  gap: .7rem;
  margin-bottom: .7rem;
  animation: panelIn .35s var(--ease);
}
.sub-row .del {
  width: 34px; height: 34px;
  align-self: center;
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--err);
}
.sub-row .del:hover { background: rgba(251,113,133,.1); }
code.mono {
  background: var(--glass-strong);
  border: 1px solid var(--glass-brd);
  border-radius: 5px;
  padding: .08rem .4rem;
  font-size: .8em;
}

/* ─── Generate panel ────────────────────────────────────────── */
.gen-layout {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  gap: 1.6rem;
}
.gen-preview { min-width: 0; }
.filetree {
  list-style: none;
  font-size: .78rem;
  line-height: 2;
  color: var(--txt-2);
  margin-bottom: 1.4rem;
}
.filetree li { cursor: pointer; padding: 0 .5rem; border-radius: 6px; transition: all .2s; white-space: pre; }
.filetree li:hover { background: var(--glass-strong); color: var(--txt); }
.filetree li.dir { color: var(--txt-3); cursor: default; }
.filetree li.on { background: var(--glass-strong); color: var(--blue-hi); }
.gen-actions { display: flex; flex-direction: column; gap: .6rem; }
.gen-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: .8rem;
}
.gen-tabs button {
  padding: .35rem .8rem;
  border-radius: 999px;
  font-size: .7rem;
  color: var(--txt-3);
  border: 1px solid var(--glass-brd);
  transition: all .25s;
}
.gen-tabs button.on {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-hi), var(--blue-lo));
  border-color: transparent;
}
.preview-wrap { position: relative; }
.preview-wrap .codeblock {
  max-height: 560px;
  overflow: auto;
  font-size: .76rem;
}
.copy-file {
  position: absolute;
  top: .65rem; right: .8rem;
  z-index: 2;
  padding: .3rem .8rem;
  border-radius: 999px;
  font-size: .68rem;
  color: var(--ice);
  background: var(--glass-strong);
  border: 1px solid var(--glass-brd);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.copy-file:hover { border-color: var(--glass-brd-hi); }

/* ─── Forge nav ─────────────────────────────────────────────── */
.forge-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 1.4rem;
}
.forge-nav .btn[disabled] { opacity: .35; pointer-events: none; }

/* ─── Toast ─────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 26px; left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  padding: .7rem 1.4rem;
  border-radius: 999px;
  font-size: .78rem;
  color: var(--txt);
  background: var(--glass-strong);
  border: 1px solid var(--glass-brd-hi);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-lift);
  animation: panelIn .3s var(--ease);
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 1020px) {
  .profile-grid { grid-template-columns: repeat(3, 1fr); }
  .pattern-grid { grid-template-columns: repeat(2, 1fr); }
  .gen-layout { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .grid2 { grid-template-columns: 1fr; }
  .profile-grid { grid-template-columns: 1fr 1fr; }
  .htl-grid { grid-template-columns: 1fr; }
  .crit-row { grid-template-columns: 1fr; }
  .sub-row { grid-template-columns: 1fr; }
  .forge-step { padding: 1.5rem 1.2rem; }
  .steprail li span { display: none; }
}