/* build — giobi.com/build
   Uses the theme variables from style.css (--color-*), like portfolio.css.
   Ref: bbros.eu/build (conversation left, brief right, open questions). */

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.bd-mono, .bd-eyebrow, .bd-state, .bd-chip, .bd-ghost, .bd-tabs button { font-family: var(--font-mono); }

.bd-head { padding: 4rem 0 2.2rem; }
.bd-eyebrow { font-size: .85rem; color: var(--color-orange); margin: 0 0 1rem; }
.bd-title {
  font-weight: 700;
  font-size: clamp(2.2rem, 5.6vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--color-headers);
  margin: 0 0 1.3rem;
}
.bd-sub { font-size: 1.15rem; line-height: 1.6; color: var(--color-dim); max-width: 44rem; }

/* ── App frame ── */
.bd-app {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  border: 1px solid var(--color-border);
  border-radius: 10px 10px 0 40px;
  background: var(--color-card-bg);
  overflow: hidden;
  min-height: 640px;
}
.bd-tabs { display: none; }
.bd-chat { display: flex; flex-direction: column; border-right: 1px solid var(--color-border); min-height: 0; }
.bd-brief { display: flex; flex-direction: column; min-height: 0; }

.bd-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .9rem 1.3rem;
  border-bottom: 1px solid var(--color-border);
}
.bd-bar strong { display: block; color: var(--color-headers); font-size: .98rem; }
.bd-bar .bd-mono { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--color-dimmer); }
.bd-ghost {
  display: inline-flex; align-items: center; gap: .4rem;
  background: none; border: 1px solid var(--color-subtle); border-radius: 999px;
  color: var(--color-dim); font-size: .75rem; padding: .35rem .8rem; cursor: pointer;
}
.bd-ghost:hover { border-color: var(--color-orange); color: var(--color-headers); }
.bd-ghost svg { width: 13px; height: 13px; }

.bd-who { display: flex; align-items: center; gap: .7rem; }
.bd-who .bd-mono { white-space: nowrap; }
.bd-avatar {
  flex: 0 0 auto; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--color-orange); color: var(--color-orange);
  display: grid; place-items: center;
}
.bd-owl { width: 34px; height: 34px; transform-origin: 50% 60%; }
/* Thinking: the owl tilts its head while it waits */
.bd-avatar.is-thinking .bd-owl { animation: bd-tilt 1.4s ease-in-out infinite; }
@keyframes bd-tilt { 0%, 100% { transform: rotate(0); } 30% { transform: rotate(-12deg); } 70% { transform: rotate(10deg); } }
@media (prefers-reduced-motion: reduce) { .bd-avatar.is-thinking .bd-owl { animation: none; } }

/* ── Conversation ── */
.bd-log {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 1.5rem 1.3rem;
  display: flex; flex-direction: column; gap: .9rem;
  max-height: 560px;
}
.bd-msg { max-width: 88%; }
.bd-msg p + p { margin-top: .6rem; }
.bd-msg-a { align-self: flex-start; color: var(--color-foreground); font-size: 1.05rem; line-height: 1.55; }
.bd-msg-a:first-child p { font-size: clamp(1.3rem, 2.4vw, 1.7rem); line-height: 1.25; font-weight: 600; color: var(--color-headers); letter-spacing: -0.01em; }
.bd-msg-u {
  align-self: flex-end;
  background: var(--color-headers); color: var(--color-background);
  padding: .65rem .95rem; border-radius: 14px 14px 2px 14px;
  font-size: .98rem;
}
.bd-msg-wait { color: var(--color-dimmer); font-family: var(--font-mono); font-size: .85rem; animation: bd-pulse 1.2s ease-in-out infinite; }
.bd-msg-err { color: var(--color-orange); }
@keyframes bd-pulse { 50% { opacity: .4; } }

.bd-input { border-top: 1px solid var(--color-border); padding: .9rem 1.3rem 1rem; }
.bd-chips { display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: .75rem; }
.bd-chips:empty { display: none; }
.bd-chip {
  background: none; border: 1px solid var(--color-subtle); border-radius: 999px;
  color: var(--color-foreground); font-size: .78rem; padding: .4rem .8rem; cursor: pointer;
  transition: border-color .15s, color .15s;
}
.bd-chip:hover { border-color: var(--color-orange); color: var(--color-headers); }
.bd-form {
  display: flex; align-items: flex-end; gap: .5rem;
  border: 1px solid var(--color-border); border-radius: 12px;
  padding: .45rem .45rem .45rem .9rem; background: var(--color-background);
}
.bd-form:focus-within { border-color: var(--color-orange); }
.bd-form textarea {
  flex: 1; border: 0; outline: 0; resize: none; background: transparent;
  font: inherit; font-size: 1rem; color: var(--color-foreground); padding: .45rem 0; max-height: 160px;
}
.bd-send {
  flex: 0 0 auto; width: 40px; height: 40px; border-radius: 10px; border: 0; cursor: pointer;
  background: var(--color-orange); color: var(--color-background);
  display: grid; place-items: center;
}
.bd-send:disabled { opacity: .45; cursor: wait; }
.bd-send svg { width: 18px; height: 18px; }
.bd-note { display: flex; align-items: center; gap: .4rem; margin-top: .65rem; font-size: .72rem; color: var(--color-dimmer); }
.bd-note svg { width: 12px; height: 12px; flex: 0 0 auto; }

/* ── Brief ── */
.bd-brief-body { padding: 1.5rem 1.3rem 1.6rem; overflow-y: auto; }
.bd-lede { font-size: clamp(1.3rem, 2.4vw, 1.7rem); line-height: 1.2; font-weight: 600; color: var(--color-headers); letter-spacing: -0.01em; margin-bottom: 1.2rem; }
.bd-fields { border-top: 1px solid var(--color-subtle); }
.bd-field {
  display: grid; grid-template-columns: 10.5rem minmax(0, 1fr); gap: .4rem 1rem;
  padding: .85rem 0; border-bottom: 1px solid var(--color-subtle);
  transition: background-color .6s ease;
}
.bd-field dt span:first-child { display: block; font-size: .86rem; font-weight: 600; color: var(--color-headers); }
.bd-state { display: block; font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; color: var(--color-dimmer); margin-top: .15rem; }
.bd-field dd { font-size: .95rem; line-height: 1.45; color: var(--color-dimmer); font-style: italic; }
.bd-field.is-filled dd { color: var(--color-foreground); font-style: normal; }
.bd-field.is-filled .bd-state { color: var(--color-orange); }
.bd-field.is-new { animation: bd-flash 1.6s ease; }
@keyframes bd-flash { 0% { background: color-mix(in srgb, var(--color-orange) 22%, transparent); } 100% { background: transparent; } }

.bd-direction {
  margin-top: 1.2rem; padding: 1rem 1.1rem;
  border: 1px solid var(--color-orange); border-radius: 10px 10px 0 24px;
}
.bd-direction-label { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--color-orange); }
.bd-direction-kind { font-size: 1.1rem; font-weight: 600; color: var(--color-headers); margin: .25rem 0 .3rem; }
.bd-direction-why { font-size: .92rem; color: var(--color-dim); }
.bd-direction-link { display: inline-block; margin-top: .5rem; font-size: .8rem; color: var(--color-highlight); }

.bd-disclaimer { font-size: .82rem; color: var(--color-dimmer); margin: 1.1rem 0 1rem; }

.bd-sendbrief label { display: block; font-size: .78rem; font-family: var(--font-mono); color: var(--color-dim); }
.bd-sendbrief input, .bd-sendbrief textarea {
  display: block; width: 100%; margin-top: .25rem;
  font: inherit; font-size: .95rem; color: var(--color-foreground);
  background: var(--color-background); border: 1px solid var(--color-subtle); border-radius: 8px; padding: .55rem .7rem;
}
.bd-sendbrief input:focus, .bd-sendbrief textarea:focus { outline: 0; border-color: var(--color-orange); }
.bd-sendbrief noscript label { margin-bottom: .7rem; }
.bd-row { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.bd-hp { position: absolute; left: -9999px; }
.bd-cta {
  margin-top: .8rem; width: 100%;
  background: var(--color-headers); color: var(--color-background);
  border: 0; border-radius: 10px; padding: .85rem 1rem;
  font: inherit; font-weight: 600; font-size: 1rem; cursor: pointer;
}
.bd-cta:hover { background: var(--color-orange); }
.bd-cta:disabled { opacity: .5; cursor: wait; }
.bd-feedback { font-size: .88rem; margin-top: .6rem; min-height: 1.2em; }
.bd-feedback.is-ok, .bd-flash-ok { color: var(--color-highlight); }
.bd-feedback.is-err, .bd-flash-err { color: var(--color-orange); }
.bd-flash { font-size: .9rem; margin-bottom: .8rem; }
.bd-noscript { font-size: .88rem; color: var(--color-dim); margin-bottom: .8rem; }
.bd-alt { margin-top: 1.1rem; font-size: .9rem; color: var(--color-dim); }
.bd-alt a { color: var(--color-highlight); }

/* ── How it works ── */
.bd-how { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; padding: 3.5rem 0 4rem; }
.bd-how .bd-mono { font-size: .8rem; color: var(--color-orange); }
.bd-how h2 { font-size: 1.25rem; color: var(--color-headers); margin: .3rem 0 .5rem; letter-spacing: -0.01em; }
.bd-how p { color: var(--color-dim); font-size: .98rem; }

/* ── Mobile: one pane at a time ── */
@media (max-width: 860px) {
  .bd-head { padding: 2.6rem 0 1.6rem; }
  .bd-app { grid-template-columns: minmax(0, 1fr); min-height: 0; border-radius: 10px 10px 0 28px; }
  .bd-tabs { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--color-border); }
  .bd-tabs button {
    background: none; border: 0; padding: .8rem; font-size: .8rem; color: var(--color-dim); cursor: pointer;
  }
  .bd-tabs button.is-active { color: var(--color-headers); box-shadow: inset 0 -2px 0 var(--color-orange); }
  .bd-count { color: var(--color-orange); }
  .bd-chat { border-right: 0; }
  .bd-app:not([data-view="brief"]) .bd-brief { display: none; }
  .bd-app[data-view="brief"] .bd-chat { display: none; }
  .bd-log { max-height: 58vh; min-height: 320px; }
  .bd-field { grid-template-columns: minmax(0, 1fr); }
  .bd-row { grid-template-columns: minmax(0, 1fr); }
  .bd-how { grid-template-columns: minmax(0, 1fr); gap: 1.6rem; padding: 2.6rem 0 3rem; }
  .bd-msg { max-width: 94%; }
  .bd-ghost-label { display: none; }
  [data-reset] { padding: .45rem; }
}

/* WhatsApp is the main way to send the brief */
.bd-cta-wa { display: flex; align-items: center; justify-content: center; gap: .5rem; text-decoration: none; text-align: center; }
.bd-cta-wa svg { width: 18px; height: 18px; }
.bd-cta-wa.is-empty { opacity: .55; }
.bd-wa-note { font-size: .78rem; color: var(--color-dim); margin: .5rem 0 1rem; }
.bd-or { font-size: .72rem; color: var(--color-dim); text-transform: uppercase; letter-spacing: .06em; margin: 1rem 0 .5rem; }
.bd-cta-wa:hover, .bd-cta-wa:focus { color: #fff; }