/* ============================================================
   GIZMO Design Studio — layer on top of styles.css (Arctic)
   Quiet, dense, legible. No glow, no neon, no decoration
   that does not carry information.
   ============================================================ */

.studio-wrap { max-width: 1320px; margin: 0 auto; padding: 0 28px; }

/* ---------- Stage: Start ---------- */

.st-start { padding: 72px 0 96px; }
.st-start h1 { font-size: clamp(2rem, 4.4vw, 3.1rem); letter-spacing: -0.02em; margin-bottom: 14px; }
.st-start .lead { font-size: 1.08rem; max-width: 60ch; margin-bottom: 34px; }

.brief-box {
  background: var(--panel); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 6px 6px 6px 0;
  display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: end;
  box-shadow: 0 10px 34px rgba(20, 22, 63, .07);
  transition: border-color .2s, box-shadow .2s;
}
.brief-box:focus-within { border-color: var(--indigo); box-shadow: 0 12px 40px rgba(74, 79, 216, .16); }
.brief-box textarea {
  border: 0; background: none; resize: none; width: 100%;
  font: inherit; color: var(--ink); padding: 18px 4px 18px 20px;
  min-height: 96px; line-height: 1.55;
}
.brief-box textarea:focus { outline: none; }
.brief-actions { display: flex; gap: 8px; padding: 0 6px 8px 0; }

.mic-btn {
  border: 1px solid var(--glass-border); background: var(--bg-2); color: var(--body);
  width: 46px; height: 46px; border-radius: 12px; cursor: pointer; font-size: 1.1rem;
  display: grid; place-items: center; transition: all .18s;
}
.mic-btn:hover { border-color: var(--indigo); color: var(--indigo); }
.mic-btn[aria-pressed="true"] { background: #fdecec; border-color: #d33; color: #c22; }

.examples { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.ex-chip {
  border: 1px solid var(--glass-border); background: var(--panel);
  border-radius: 999px; padding: 7px 14px; font-size: .86rem; color: var(--body);
  cursor: pointer; transition: all .16s; text-align: left;
}
.ex-chip:hover { border-color: var(--indigo); color: var(--indigo); }

.arch-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 18px; }
.arch-card {
  text-align: left; background: var(--panel); border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm); padding: 18px; cursor: pointer;
  transition: transform .2s cubic-bezier(.16,1,.3,1), border-color .2s, box-shadow .2s;
}
.arch-card:hover { transform: translateY(-3px); border-color: var(--indigo); box-shadow: 0 14px 34px rgba(20,22,63,.10); }
.arch-card b { display: block; color: var(--ink); font-size: .98rem; margin-bottom: 5px; font-family: var(--font-display); }
.arch-card span { font-size: .84rem; color: var(--muted); line-height: 1.5; }

/* ---------- Stage: Review (what we understood) ---------- */

.st-review { padding: 56px 0 80px; max-width: 860px; }
.understood { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 8px; }
.u-chip {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--panel); border: 1px solid var(--glass-border);
  border-radius: 10px; padding: 9px 13px; font-size: .9rem; color: var(--ink);
}
.u-chip .k { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .07em; }
.u-chip.assumed { border-style: dashed; border-color: #c9a227; background: #fffdf3; }
.u-chip button {
  border: 0; background: none; color: var(--indigo); cursor: pointer;
  font-size: .82rem; padding: 2px 4px; text-decoration: underline;
}
.assumed-note { font-size: .88rem; color: var(--muted); margin-top: 10px; }

/* ---------- Stage: Studio ---------- */

.st-studio { padding: 26px 0 140px; }
.studio-grid { display: grid; grid-template-columns: 330px 1fr; gap: 34px; align-items: start; }

.rail {
  position: sticky; top: 88px; max-height: calc(100vh - 110px); overflow-y: auto;
  background: var(--panel); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 4px 0;
  scrollbar-width: thin;
}
.rail h3 {
  font-size: .74rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted);
  padding: 18px 18px 8px; font-family: var(--font-body); font-weight: 700;
}
.fld { padding: 10px 18px 14px; border-bottom: 1px solid var(--bg-2); }
.fld:last-child { border-bottom: 0; }
.fld > label { display: block; font-size: .88rem; color: var(--ink); font-weight: 600; margin-bottom: 3px; }
.fld .help { font-size: .79rem; color: var(--muted); line-height: 1.45; margin-bottom: 9px; }
.fld .pill-row { display: flex; flex-wrap: wrap; gap: 6px; }
.pill {
  border: 1px solid var(--glass-border); background: var(--bg-2); color: var(--body);
  border-radius: 8px; padding: 6px 11px; font-size: .83rem; cursor: pointer;
  transition: all .15s; font-family: inherit;
}
.pill:hover { border-color: var(--indigo); color: var(--indigo); }
.pill[aria-pressed="true"] { background: var(--indigo); border-color: var(--indigo); color: #fff; font-weight: 600; }
.pill:focus-visible, .ex-chip:focus-visible, .arch-card:focus-visible { outline: 2px solid var(--indigo); outline-offset: 2px; }

.fld input[type="number"], .fld input[type="text"], .fld select {
  width: 100%; padding: 9px 11px; border-radius: 9px; font: inherit; font-size: .9rem;
  border: 1px solid var(--glass-border); background: var(--bg-2); color: var(--ink);
}
.fld input:focus, .fld select:focus { outline: none; border-color: var(--indigo); }
.range-row { display: flex; align-items: center; gap: 12px; }
.range-row input[type="range"] { flex: 1; accent-color: var(--indigo); }
.range-row output { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--ink); min-width: 66px; text-align: right; }
.mode-toggle { display: flex; gap: 4px; padding: 14px 18px; }
.mode-toggle .pill { flex: 1; text-align: center; }

/* ---------- Concept header ---------- */

.concept-head { margin-bottom: 22px; }
.concept-head .eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: .72rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: var(--indigo);
  background: #eef0fd; border-radius: 999px; padding: 5px 13px; margin-bottom: 12px;
}
.concept-head h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); letter-spacing: -0.015em; }
.concept-head p { margin-top: 10px; max-width: 68ch; }
.src-note { font-size: .76rem; color: var(--muted); margin-top: 8px; }

.track-badge {
  display: inline-block; font-size: .74rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; border-radius: 6px; padding: 4px 9px; margin-left: 8px;
}
.track-badge.generic { background: #e8f5ec; color: #1f6b3a; }
.track-badge.complex { background: #fdf1e0; color: #8a5a12; }

/* ---------- Findings — above the price, always ---------- */

.findings { display: grid; gap: 10px; margin-bottom: 28px; }
.finding {
  border: 1px solid var(--glass-border); border-left-width: 4px;
  border-radius: 10px; background: var(--panel); padding: 15px 17px;
}
.finding h4 { font-size: .98rem; margin-bottom: 5px; font-family: var(--font-body); font-weight: 700; }
.finding p { font-size: .89rem; line-height: 1.6; }
.finding .sev {
  font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  display: block; margin-bottom: 6px;
}
.finding.blocker  { border-left-color: #c0392b; } .finding.blocker  .sev { color: #c0392b; }
.finding.tradeoff { border-left-color: #c9821b; } .finding.tradeoff .sev { color: #a86a10; }
.finding.value    { border-left-color: var(--indigo); } .finding.value .sev { color: var(--indigo); }
.finding.note     { border-left-color: #9aa1b8; } .finding.note .sev { color: var(--muted); }
.finding .opts { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 11px; }
.finding .opts button {
  border: 1px solid var(--glass-border); background: var(--bg-2); color: var(--ink);
  border-radius: 8px; padding: 7px 12px; font-size: .82rem; cursor: pointer; font-family: inherit;
  text-align: left; transition: all .15s;
}
.finding .opts button:hover { border-color: var(--indigo); color: var(--indigo); }

/* ---------- Panels ---------- */

.panel {
  background: var(--panel); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 24px; margin-bottom: 20px;
}
.panel > h3 {
  font-size: 1.02rem; margin-bottom: 4px;
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
}
.panel > h3 small { font-family: var(--font-body); font-weight: 400; font-size: .8rem; color: var(--muted); }
.panel > .sub { font-size: .86rem; color: var(--muted); margin-bottom: 18px; }

/* Architecture diagram */
.diagram { width: 100%; height: auto; display: block; }
.diagram .bk { cursor: pointer; }
.diagram .bk rect { fill: var(--bg-2); stroke: var(--glass-border); transition: stroke .15s, fill .15s; }
.diagram .bk:hover rect, .diagram .bk[data-active="1"] rect { stroke: var(--indigo); fill: #eef0fd; }
.diagram .bk text { font-size: 11px; fill: var(--ink); font-family: var(--font-body); }
.diagram .bk.mcu rect { fill: #14163f; stroke: #14163f; }
.diagram .bk.mcu text { fill: #fff; }
.diagram .bk.mcu text.sub { fill: #ffd200; }
.diagram .lnk { stroke: var(--glass-border); stroke-width: 1.5; stroke-dasharray: 4 4; fill: none; }
.diagram .ring-label { font-size: 10px; fill: var(--muted); letter-spacing: .1em; text-transform: uppercase; }

.blk-detail {
  margin-top: 16px; border-left: 3px solid var(--yellow); background: #fffdf3;
  padding: 13px 16px; border-radius: 0 9px 9px 0; font-size: .89rem; line-height: 1.6;
}
.blk-detail b { color: var(--ink); }
.blk-detail .exp { display: block; margin-top: 7px; color: var(--muted); font-size: .84rem; }

/* Power */
.pw-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.pw-stat { background: var(--bg-2); border-radius: 11px; padding: 13px 14px; }
.pw-stat b { display: block; font-family: var(--font-display); font-size: 1.32rem; color: var(--ink); line-height: 1.2; }
.pw-stat span { font-size: .76rem; color: var(--muted); }
.pw-bar { height: 9px; border-radius: 999px; background: var(--bg-2); overflow: hidden; margin: 6px 0 8px; }
.pw-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--indigo), var(--indigo-bright)); }
.pw-bar.short i { background: linear-gradient(90deg, #c0392b, #e07b6c); }
.draw-list { margin-top: 14px; font-size: .85rem; }
.draw-list div { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--bg-2); }
.draw-list div:last-child { border-bottom: 0; }
.draw-list span { color: var(--muted); font-variant-numeric: tabular-nums; }

/* Estimate */
.est-table { width: 100%; border-collapse: collapse; font-size: .89rem; }
.est-table th {
  text-align: left; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); padding: 9px 0; border-bottom: 1px solid var(--glass-border); font-weight: 700;
}
.est-table th:last-child, .est-table td:last-child { text-align: right; }
.est-table td { padding: 11px 0; border-bottom: 1px solid var(--bg-2); vertical-align: top; }
.est-table td:last-child { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink); white-space: nowrap; }
.est-table .ln { color: var(--ink); }
.est-table .nt { display: block; font-size: .78rem; color: var(--muted); margin-top: 3px; }
.est-sub { display: flex; justify-content: space-between; padding: 13px 0 0; font-weight: 700; color: var(--ink); }
.disclaimer { font-size: .8rem; color: var(--muted); line-height: 1.6; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--bg-2); }

/* Chat */
.chat-log { display: grid; gap: 12px; margin-bottom: 14px; max-height: 380px; overflow-y: auto; }
.msg { padding: 12px 15px; border-radius: 12px; font-size: .9rem; line-height: 1.6; max-width: 88%; }
.msg.user { background: var(--indigo); color: #fff; justify-self: end; border-bottom-right-radius: 4px; }
.msg.bot { background: var(--bg-2); color: var(--ink); border-bottom-left-radius: 4px; }
.msg.bot.offline { border: 1px dashed var(--glass-border); }
.chat-form { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.chat-form input {
  padding: 12px 14px; border-radius: 11px; border: 1px solid var(--glass-border);
  background: var(--bg-2); font: inherit; font-size: .92rem; color: var(--ink);
}
.chat-form input:focus { outline: none; border-color: var(--indigo); }

.proposal {
  border: 1px solid var(--indigo); background: #f7f8ff; border-radius: 11px;
  padding: 14px 16px; margin-top: 10px;
}
.proposal b { display: block; color: var(--ink); font-size: .93rem; margin-bottom: 4px; }
.proposal p { font-size: .85rem; margin-bottom: 4px; }
.proposal .eff { font-size: .82rem; color: var(--indigo); font-weight: 600; }
.proposal .row { display: flex; gap: 8px; margin-top: 11px; }

/* ---------- Sticky total bar ---------- */

.totalbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  background: rgba(255,255,255,.94); backdrop-filter: blur(12px);
  border-top: 1px solid var(--glass-border);
  padding: 12px 28px; display: flex; align-items: center; gap: 20px;
  box-shadow: 0 -6px 26px rgba(20,22,63,.07);
}
.totalbar .inner { max-width: 1320px; margin: 0 auto; width: 100%; display: flex; align-items: center; gap: 20px; }
.totalbar .fig { display: flex; flex-direction: column; }
.totalbar .fig b { font-family: var(--font-display); font-size: 1.3rem; color: var(--ink); line-height: 1.15; }
.totalbar .fig span { font-size: .74rem; color: var(--muted); }
.totalbar .spacer { flex: 1; }
.delta-flash {
  font-size: .84rem; font-weight: 700; padding: 5px 11px; border-radius: 999px;
  opacity: 0; transform: translateY(4px); transition: opacity .3s, transform .3s;
}
.delta-flash.show { opacity: 1; transform: none; }
.delta-flash.up { background: #fdecea; color: #b03024; }
.delta-flash.down { background: #e8f5ec; color: #1f6b3a; }

/* ---------- Lead form ---------- */

.lead-form { display: grid; gap: 13px; }
.lead-row { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.lead-form label { font-size: .82rem; color: var(--muted); display: block; margin-bottom: 5px; }
.lead-form input, .lead-form textarea {
  width: 100%; padding: 11px 13px; border-radius: 10px; font: inherit; font-size: .92rem;
  border: 1px solid var(--glass-border); background: var(--bg-2); color: var(--ink);
}
.lead-form textarea { min-height: 88px; resize: vertical; }
.lead-form input:focus, .lead-form textarea:focus { outline: none; border-color: var(--indigo); }
.form-status { font-size: .86rem; color: var(--muted); }
.form-status.err { color: #c0392b; }

/* ---------- Skeleton ---------- */

.skl { background: linear-gradient(90deg, var(--bg-2) 25%, #e6e9f3 50%, var(--bg-2) 75%);
       background-size: 200% 100%; animation: skl 1.3s infinite; border-radius: 8px; }
@keyframes skl { to { background-position: -200% 0; } }

/* ---------- Motion, honestly applied ---------- */

.fade-in { animation: fadeIn .42s cubic-bezier(.16,1,.3,1) both; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  .fade-in, .skl { animation: none; }
  .arch-card:hover { transform: none; }
  .delta-flash { transition: none; }
}

/* ---------- Responsive ---------- */

@media (max-width: 1080px) {
  .arch-grid { grid-template-columns: repeat(2, 1fr); }
  .studio-grid { grid-template-columns: 1fr; }
  .rail { position: static; max-height: none; }
  .pw-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .studio-wrap { padding: 0 18px; }
  .arch-grid { grid-template-columns: 1fr; }
  .brief-box { grid-template-columns: 1fr; }
  .brief-actions { padding: 0 12px 12px; }
  .lead-row { grid-template-columns: 1fr; }
  .totalbar { padding: 10px 18px; }
  .totalbar .fig b { font-size: 1.08rem; }
  .msg { max-width: 100%; }
}

@media print {
  .site-header, .site-footer, .rail, .totalbar, .chat-panel, .lead-panel, .mic-btn { display: none !important; }
  .studio-grid { grid-template-columns: 1fr; }
  .panel { break-inside: avoid; border-color: #ccc; }
  body { background: #fff; }
}

/* ---------- Cost framing: per-unit first, curve second, total last ---------- */

.headline-cost {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  margin: 4px 0 22px; padding-bottom: 20px; border-bottom: 1px solid var(--bg-2);
}
.headline-cost div { background: var(--bg-2); border-radius: 12px; padding: 14px 16px; }
.headline-cost b { display: block; font-family: var(--font-display); font-size: 1.5rem; color: var(--ink); line-height: 1.15; }
.headline-cost span { font-size: .78rem; color: var(--muted); }

.curve { margin: 4px 0 24px; }
.curve h4, .budget-box h4 { font-size: .95rem; color: var(--ink); margin-bottom: 4px; font-weight: 700; }
.curve-note { font-size: .82rem; color: var(--muted); line-height: 1.55; margin-bottom: 12px; }
.curve-row { display: grid; grid-template-columns: 74px 1fr 150px; gap: 12px; align-items: center; padding: 5px 0; }
.curve-row .qty { font-size: .84rem; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }
.curve-row .bar { height: 10px; background: var(--bg-2); border-radius: 999px; overflow: hidden; }
.curve-row .bar i { display: block; height: 100%; background: #c9cdf5; }
.curve-row .val { font-size: .85rem; color: var(--ink); font-variant-numeric: tabular-nums; text-align: right; }
.curve-row .val small { color: var(--muted); font-size: .72rem; margin-left: 4px; }
.curve-row.here .bar i { background: linear-gradient(90deg, var(--indigo), var(--indigo-bright)); }
.curve-row.here .qty, .curve-row.here .val { color: var(--ink); font-weight: 700; }

.budget-box { background: var(--bg-2); border-radius: 12px; padding: 18px 20px; margin: 4px 0 20px; }
.budget-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; max-width: 400px; }
.budget-row input {
  padding: 10px 13px; border-radius: 10px; border: 1px solid var(--glass-border);
  background: var(--panel); font: inherit; font-size: .92rem; color: var(--ink);
}
.budget-row input:focus { outline: none; border-color: var(--indigo); }

.budget-result { margin-top: 16px; border-radius: 11px; padding: 15px 17px; background: var(--panel); border: 1px solid var(--glass-border); }
.budget-result.ok { border-left: 4px solid var(--indigo); }
.budget-result.warn { border-left: 4px solid #c9821b; }
.budget-result strong { display: block; color: var(--ink); font-size: .92rem; margin-bottom: 10px; }
.trim-list { margin: 0 0 12px; padding-left: 20px; }
.trim-list li { margin-bottom: 11px; font-size: .88rem; }
.trim-list b { color: var(--ink); }
.trim-list .save { color: #1f6b3a; font-weight: 700; font-size: .82rem; margin-left: 6px; }
.trim-list .why { display: block; color: var(--muted); font-size: .82rem; line-height: 1.55; margin-top: 3px; }
.budget-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px;
               flex-wrap: wrap; padding-top: 12px; border-top: 1px solid var(--bg-2); font-size: .9rem; }
.budget-foot strong { display: inline; color: var(--ink); }

@media (max-width: 700px) {
  .headline-cost { grid-template-columns: 1fr; }
  .curve-row { grid-template-columns: 60px 1fr; }
  .curve-row .val { grid-column: 2; text-align: left; }
}