/* ============================================================
   PromptForge — styles.css
   Design concept: a drafting table / blueprint for instructions.
   The forms are "spec sheets", the preview is the finished
   document. Hairline rules and corner brackets stand in for the
   soft rounded cards of a typical SaaS template.
   ============================================================ */

:root {
  --forge-paper:      #EEF2F6;   /* app background — cool graph-paper tone */
  --forge-surface:    #FFFFFF;   /* panels */
  --forge-ink:        #12202E;   /* body text */
  --forge-ink-soft:   #4C5B6B;   /* secondary text */
  --forge-line:       #C7D2DC;   /* hairline borders */
  --forge-line-strong:#9FB0C0;
  --forge-navy:       #16324F;   /* primary / header / nav */
  --forge-navy-2:     #1F4468;
  --forge-accent:     #C1440E;   /* stamp-red accent, used sparingly */
  --forge-accent-soft:#FBE7DD;
  --forge-grid-line:  rgba(22,50,79,0.06);
  --forge-radius:      3px;
  --forge-font-ui:     'Space Grotesk', system-ui, sans-serif;
  --forge-font-mono:   'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  background-color: var(--forge-paper);
  background-image:
    linear-gradient(var(--forge-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--forge-grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--forge-ink);
  font-family: var(--forge-font-ui);
  font-size: 15px;
  line-height: 1.55;
}

::selection { background: var(--forge-accent-soft); color: var(--forge-navy); }

a { color: var(--forge-navy-2); }

.font-mono { font-family: var(--forge-font-mono); }

/* ---------------- Header ---------------- */
.forge-header {
  background: var(--forge-navy);
  color: #EAF0F6;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.forge-header .brand {
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.forge-header .brand .bi { color: var(--forge-accent); font-size: 1.3rem; }
.forge-header .tagline {
  color: #AFC2D6;
  font-size: 0.83rem;
}
.lang-switch {
  display: flex; align-items: center; gap: 0.5rem;
  color: #C9D7E4; font-size: 0.82rem;
}
.lang-switch .form-check-input {
  background-color: #2A4A6C; border-color: #3D5E82;
}
.lang-switch .form-check-input:checked { background-color: var(--forge-accent); border-color: var(--forge-accent); }

/* ---------------- Hero / intro ---------------- */
.hero {
  padding: 3rem 0 2.25rem;
  border-bottom: 1px solid var(--forge-line);
}
.hero h1 {
  font-size: clamp(1.9rem, 3.2vw, 2.7rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--forge-navy);
  max-width: 18ch;
  line-height: 1.12;
  margin-bottom: 0.9rem;
}
.hero p.lead-copy {
  max-width: 62ch;
  color: var(--forge-ink-soft);
  font-size: 1.02rem;
}
.hero-stats {
  display: flex; gap: 2.2rem; margin-top: 1.4rem; flex-wrap: wrap;
}
.hero-stats .stat-num {
  font-family: var(--forge-font-mono);
  font-size: 1.7rem; color: var(--forge-navy); font-weight: 600; line-height: 1;
}
.hero-stats .stat-label { color: var(--forge-ink-soft); font-size: 0.82rem; margin-top: 0.2rem; }

/* Quick-start grid on the empty state */
#quickStartGrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 0.65rem;
  margin-top: 1.75rem;
}
.quickstart-card {
  background: var(--forge-surface);
  border: 1px solid var(--forge-line);
  border-radius: var(--forge-radius);
  padding: 0.85rem 0.8rem;
  display: flex; flex-direction: column; gap: 0.5rem;
  text-align: left; cursor: pointer;
  transition: border-color .15s ease, transform .15s ease;
  font-family: var(--forge-font-ui);
}
.quickstart-card .bi { font-size: 1.15rem; color: var(--forge-navy-2); }
.quickstart-card span { font-size: 0.86rem; color: var(--forge-ink); font-weight: 500; }
.quickstart-card:hover { border-color: var(--forge-accent); transform: translateY(-1px); }
.quickstart-card:focus-visible { outline: 2px solid var(--forge-accent); outline-offset: 2px; }

/* ---------------- Workbench layout ---------------- */
#workbench { padding: 1.75rem 0 3rem; }

.panel {
  background: var(--forge-surface);
  border: 1px solid var(--forge-line);
  border-radius: var(--forge-radius);
  position: relative;
}
/* corner-bracket framing motif, used structurally on the two working panels */
.panel-bracketed { padding: 1.1rem 1.2rem 1.25rem; }
.panel-bracketed::before, .panel-bracketed::after,
.panel-bracketed .bl, .panel-bracketed .br { content: ""; position: absolute; width: 11px; height: 11px; }
.panel-bracketed::before { top: -1px; left: -1px; border-top: 2px solid var(--forge-navy); border-left: 2px solid var(--forge-navy); }
.panel-bracketed::after  { top: -1px; right: -1px; border-top: 2px solid var(--forge-navy); border-right: 2px solid var(--forge-navy); }
.panel-bracketed .bl { bottom: -1px; left: -1px; border-bottom: 2px solid var(--forge-navy); border-left: 2px solid var(--forge-navy); }
.panel-bracketed .br { bottom: -1px; right: -1px; border-bottom: 2px solid var(--forge-navy); border-right: 2px solid var(--forge-navy); }

/* ---------------- Catalog (sidebar) ---------------- */
.catalog-wrap { position: sticky; top: 1rem; }
.catalog-search { margin-bottom: 0.9rem; }
.catalog-search .input-group-text { background: var(--forge-surface); border-color: var(--forge-line); color: var(--forge-ink-soft); }
.catalog-search input { border-color: var(--forge-line); font-size: 0.88rem; }
.catalog-search input:focus { box-shadow: 0 0 0 3px var(--forge-accent-soft); border-color: var(--forge-accent); }

#catalog { max-height: 74vh; overflow-y: auto; padding-right: 4px; }
.cat-group { margin-bottom: 1.1rem; }
.cat-group-title {
  font-size: 0.72rem; color: var(--forge-ink-soft);
  padding: 0 0.35rem 0.4rem; border-bottom: 1px solid var(--forge-line); margin-bottom: 0.4rem;
}
.cat-item {
  display: flex; align-items: flex-start; gap: 0.6rem;
  width: 100%; text-align: left; background: transparent; border: 1px solid transparent;
  border-radius: var(--forge-radius); padding: 0.5rem 0.55rem; margin-bottom: 2px;
  cursor: pointer; color: var(--forge-ink);
}
.cat-item .bi { margin-top: 0.15rem; color: var(--forge-navy-2); font-size: 0.95rem; flex-shrink: 0; }
.cat-item-title { display: block; font-size: 0.87rem; font-weight: 500; }
.cat-item-sub { display: block; font-size: 0.74rem; color: var(--forge-ink-soft); line-height: 1.3; }
.cat-item:hover { background: var(--forge-paper); }
.cat-item.active { background: var(--forge-navy); border-color: var(--forge-navy); }
.cat-item.active .cat-item-title, .cat-item.active .bi { color: #fff; }
.cat-item.active .cat-item-sub { color: #C9D7E4; }
.cat-noresults { color: var(--forge-ink-soft); font-size: 0.85rem; padding: 0.5rem; }

/* ---------------- Active generator header ---------------- */
.active-eyebrow {
  font-size: 0.76rem; color: var(--forge-navy-2); display: flex; align-items: center; gap: 0.4rem; margin-bottom: 0.3rem;
}
.active-title { font-size: 1.35rem; font-weight: 600; color: var(--forge-navy); margin: 0 0 0.2rem; letter-spacing: -0.01em; }
.active-sub { color: var(--forge-ink-soft); font-size: 0.88rem; margin: 0; max-width: 60ch; }

.btn-outline-forge {
  border: 1px solid var(--forge-line-strong); color: var(--forge-navy); background: #fff; font-size: 0.8rem;
}
.btn-outline-forge:hover { border-color: var(--forge-navy); background: var(--forge-paper); color: var(--forge-navy); }

.btn-forge-primary {
  background: var(--forge-navy); border-color: var(--forge-navy); color: #fff;
}
.btn-forge-primary:hover { background: var(--forge-navy-2); border-color: var(--forge-navy-2); color: #fff; }
.btn-forge-accent {
  background: var(--forge-accent); border-color: var(--forge-accent); color: #fff;
}
.btn-forge-accent:hover { background: #A5390B; border-color: #A5390B; color: #fff; }

/* ---------------- Form fields ---------------- */
.forge-label { font-size: 0.82rem; font-weight: 500; color: var(--forge-ink); margin-bottom: 0.3rem; }
.forge-input {
  border-color: var(--forge-line); font-size: 0.88rem; color: var(--forge-ink);
}
.forge-input:focus { box-shadow: 0 0 0 3px var(--forge-accent-soft); border-color: var(--forge-accent); }
textarea.forge-input { font-size: 0.83rem; }
.checkbox-group { display: flex; flex-direction: column; gap: 0.35rem; padding-top: 0.15rem; }
.checkbox-group .form-check-label { font-size: 0.86rem; }
.form-check-input:checked { background-color: var(--forge-navy); border-color: var(--forge-navy); }

#formArea { max-height: 68vh; overflow-y: auto; padding-right: 6px; }

/* ---------------- Preview panel ---------------- */
.preview-head {
  display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;
  padding-bottom: 0.6rem; margin-bottom: 0.7rem; border-bottom: 1px solid var(--forge-line);
}
.preview-title { font-size: 0.8rem; color: var(--forge-ink-soft); display: flex; align-items: center; gap: 0.4rem; }
.preview-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--forge-accent); display: inline-block; animation: pulse 2.2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1;} 50% { opacity: 0.35; } }
.filename-badge {
  font-family: var(--forge-font-mono); font-size: 0.76rem; color: var(--forge-navy);
  background: var(--forge-paper); border: 1px solid var(--forge-line); padding: 0.15rem 0.5rem; border-radius: var(--forge-radius);
}

#previewText {
  font-family: var(--forge-font-mono);
  font-size: 0.81rem;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--forge-ink);
  max-height: 54vh;
  overflow-y: auto;
  margin: 0;
  line-height: 1.6;
}
#previewText.preview-placeholder { color: var(--forge-ink-soft); font-style: italic; font-family: var(--forge-font-ui); }

.preview-actions { display: flex; gap: 0.5rem; margin-top: 0.9rem; flex-wrap: wrap; }
.preview-meta { display: flex; justify-content: space-between; font-size: 0.74rem; color: var(--forge-ink-soft); margin-top: 0.6rem; }

/* ---------------- Empty state ---------------- */
#emptyState { padding: 1rem 0 2rem; }

/* ---------------- Footer ---------------- */
.forge-footer {
  border-top: 1px solid var(--forge-line);
  padding: 1.5rem 0; color: var(--forge-ink-soft); font-size: 0.8rem;
}
.forge-footer a { color: var(--forge-navy-2); text-decoration: none; }
.forge-footer a:hover { text-decoration: underline; }

/* ---------------- Offcanvas (mobile catalog) ---------------- */
.offcanvas { background: var(--forge-paper); }
.offcanvas-header { border-bottom: 1px solid var(--forge-line); }

/* ---------------- Scrollbars (subtle) ---------------- */
#catalog::-webkit-scrollbar, #formArea::-webkit-scrollbar, #previewText::-webkit-scrollbar { width: 7px; }
#catalog::-webkit-scrollbar-thumb, #formArea::-webkit-scrollbar-thumb, #previewText::-webkit-scrollbar-thumb {
  background: var(--forge-line-strong); border-radius: 10px;
}

/* ---------------- Accessibility ---------------- */
:focus-visible { outline: 2px solid var(--forge-accent); outline-offset: 1px; }

@media (prefers-reduced-motion: reduce) {
  .preview-dot { animation: none; }
  .quickstart-card { transition: none; }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 991.98px) {
  .catalog-wrap { position: static; }
  #catalog, #formArea, #previewText { max-height: none; }
}