/* ============================================================
   ToolsWaves Design Studio — premium dark (black & white) theme
   ============================================================ */
:root {
  --bg: #08080a;
  --bg-elev: #101013;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --surface-hover: rgba(255, 255, 255, 0.09);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --accent: #ffffff;
  --on-accent: #0a0a0a;
  --danger: #ff5d57;

  --text: #f4f4f5;
  --text-soft: #b9b9c0;
  --muted: #6c6c76;

  --radius: 14px;
  --radius-sm: 9px;
  --shadow-soft: 0 1px 0 rgba(255,255,255,0.04) inset, 0 8px 24px -12px rgba(0,0,0,0.8);
  --shadow-pop: 0 12px 40px -12px rgba(0,0,0,0.9);
  --glow: 0 0 0 1px rgba(255,255,255,0.06), 0 0 24px -6px rgba(255,255,255,0.18);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1100px 600px at 18% -8%, rgba(255,255,255,0.06), transparent 60%),
    radial-gradient(900px 700px at 100% 0%, rgba(120,120,160,0.05), transparent 55%),
    var(--bg);
  min-height: 100vh;
  letter-spacing: 0.1px;
}

/* ============================================================
   HOME / LANDING
   ============================================================ */
.home-view { max-width: 1280px; margin: 0 auto; padding: 22px 32px 64px; }
.home-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 44px;
}
.brand-link { cursor: pointer; text-decoration: none; color: inherit; transition: opacity .15s var(--ease); }
.brand-link:hover { opacity: 0.85; }
.brand-link:focus-visible { outline: 2px solid var(--accent, #7c3aed); outline-offset: 4px; border-radius: 8px; }
.home-hero { margin-bottom: 38px; }
.home-hero h2 {
  margin: 0;
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -1px;
  background: linear-gradient(120deg, #ffffff, #9a9aa2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.home-hero p { margin: 10px 0 0; font-size: 15px; color: var(--muted); }

.home-section { margin-bottom: 42px; }
.home-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.home-section-head h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text);
}

/* ====== Editorial / SEO content blocks on the home view ====== */
.home-info {
  margin-top: 12px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.info-prose {
  max-width: 760px;
  color: var(--text-muted, #9a9aa2);
  font-size: 15px;
  line-height: 1.7;
}
.info-prose p + p { margin-top: 14px; }
.info-prose strong { color: var(--text); }

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.info-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  background: var(--surface, #15151a);
  border: 1px solid var(--border, #2a2a32);
  border-radius: 12px;
  transition: border-color .2s, transform .2s;
}
.info-card:hover {
  border-color: var(--border-strong, #3a3a44);
  transform: translateY(-2px);
}
.info-card-icon {
  font-size: 24px;
  line-height: 1;
}
.info-card h4 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}
.info-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-muted, #9a9aa2);
}

.info-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 820px;
}
.info-list li {
  padding: 14px 16px;
  background: var(--surface, #15151a);
  border: 1px solid var(--border, #2a2a32);
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-muted, #9a9aa2);
}
.info-list li strong { color: var(--text); display: block; margin-bottom: 4px; }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 820px;
}
.faq-item {
  background: var(--surface, #15151a);
  border: 1px solid var(--border, #2a2a32);
  border-radius: 10px;
  padding: 14px 16px;
  transition: border-color .2s;
}
.faq-item[open] { border-color: var(--border-strong, #3a3a44); }
.faq-item summary {
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 20px;
  line-height: 1;
  color: var(--text-muted, #9a9aa2);
  transition: transform .2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted, #9a9aa2);
}

/* Explore (size) cards — responsive grid (wraps, not scrolls) */
.explore-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 14px;
  padding-bottom: 8px;
}
.explore-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  height: 150px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: transform .15s var(--ease), border-color .15s var(--ease), box-shadow .16s var(--ease);
}
.explore-card:hover { transform: translateY(-3px); border-color: var(--border-strong); box-shadow: var(--shadow-pop); }
.explore-thumb {
  flex: 1;
  display: grid;
  place-items: center;
}
.explore-thumb i {
  display: block;
  border: 2px solid var(--text-soft);
  border-radius: 4px;
  background: rgba(255,255,255,0.06);
}
.explore-meta { display: flex; flex-direction: column; gap: 2px; }
.explore-name { font-size: 13.5px; font-weight: 600; color: var(--text); }
.explore-dim { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }

/* Home category chips */
.home-cats { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }

/* Home template grid */
.home-templates {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 18px;
}

/* ---------- Scrollbars ---------- */
* { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.18) transparent; }
*::-webkit-scrollbar { width: 9px; height: 9px; }
*::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.14);
  border-radius: 20px;
  border: 2px solid transparent;
  background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.28); background-clip: content-box; }

/* ============================================================
   TOP BAR
   ============================================================ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  flex-wrap: wrap;
  gap: 14px;
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 8, 10, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: inline-flex;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  filter: drop-shadow(0 4px 12px rgba(59, 130, 246, 0.35));
}
.brand-mark svg { width: 100%; height: 100%; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; gap: 2px; }
.title {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.4px;
  color: var(--text);
  margin: 0;
  display: inline-flex;
  align-items: baseline;
}
/* Site-matching gradient on "Tools" + plain "Waves" */
.title .gradient {
  background: linear-gradient(135deg, #3b82f6, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}
.title .plain { color: var(--text); font-weight: 700; }
.brand-tagline {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--muted);
}

/* Home (landing) — larger, more prominent brand */
.home-top .brand { gap: 14px; }
.home-top .brand-mark { width: 46px; height: 46px; flex-basis: 46px; }
.home-top .title { font-size: 26px; }
.home-top .brand-tagline { font-size: 11px; letter-spacing: 2px; }

.toolbar { display: flex; gap: 9px; flex-wrap: wrap; }

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 9px 15px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 500;
  font-family: inherit;
  letter-spacing: 0.1px;
  transition: background .18s var(--ease), border-color .18s var(--ease), transform .12s var(--ease), box-shadow .18s var(--ease);
}
.btn:hover { background: var(--surface-hover); border-color: var(--border-strong); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-danger {
  background: rgba(255, 93, 87, 0.12);
  border-color: rgba(255, 93, 87, 0.35);
  color: #ff8c87;
}
.btn-danger:hover { background: rgba(255, 93, 87, 0.2); border-color: rgba(255,93,87,0.55); }

.btn-outline {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(255, 93, 87, 0.4);
}
.btn-outline:hover { background: rgba(255, 93, 87, 0.12); }

.btn svg { width: 16px; height: 16px; }

/* Toolbar button variants */
.btn { display: inline-flex; align-items: center; gap: 7px; }
.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-soft);
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--border); color: var(--text); }
.btn-iconic { padding: 9px; }
.btn:disabled { opacity: 0.35; cursor: not-allowed; transform: none; }
.btn:disabled:hover { background: var(--surface-2); border-color: transparent; transform: none; }
.toolbar-sep { width: 1px; align-self: stretch; background: var(--border); margin: 4px 4px; }
.btn-ghost-danger:hover { background: rgba(255,93,87,0.12); border-color: rgba(255,93,87,0.35); color: #ff8c87; }
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
  font-weight: 600;
}
.btn-primary:hover { filter: brightness(0.92); background: var(--accent); }
.btn-primary .caret { font-size: 10px; opacity: 0.7; margin-left: 1px; }

/* Download dropdown */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  background: #16161a;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-pop);
  padding: 6px;
  z-index: 40;
  opacity: 0;
  transform: translateY(-6px) scale(0.98);
  pointer-events: none;
  transition: opacity .16s var(--ease), transform .16s var(--ease);
}
.dropdown.open .dropdown-menu { opacity: 1; transform: none; pointer-events: auto; }
.dd-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  cursor: pointer;
  font-family: inherit;
  transition: background .14s var(--ease);
}
.dd-item:hover { background: var(--surface-2); }
.dd-title { font-size: 13.5px; font-weight: 600; color: var(--text); }
.dd-sub { font-size: 11.5px; color: var(--muted); }

/* Search */
.search {
  position: relative;
  display: flex;
  align-items: center;
  margin-top: 13px;
}
.search > svg {
  position: absolute;
  left: 12px;
  width: 16px; height: 16px;
  color: var(--muted);
  pointer-events: none;
}
.search input {
  width: 100%;
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  padding: 10px 36px;
  font-family: inherit;
  font-size: 13px;
  outline: none;
  transition: border-color .16s var(--ease), box-shadow .16s var(--ease);
}
.search input::placeholder { color: var(--muted); }
.search input:focus { border-color: var(--border-strong); box-shadow: 0 0 0 3px rgba(255,255,255,0.06); }
.search-clear {
  position: absolute;
  right: 10px;
  width: 20px; height: 20px;
  border: none;
  border-radius: 50%;
  background: var(--surface-hover);
  color: var(--text-soft);
  cursor: pointer;
  font-size: 11px;
  line-height: 1;
  display: grid;
  place-items: center;
}
.search-clear[hidden] { display: none; }
.search-clear:hover { background: var(--border-strong); color: var(--text); }
.tpl-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  padding: 28px 10px;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.layout {
  display: grid;
  grid-template-columns: 82px 326px minmax(0, 1fr) 282px;
  gap: 18px;
  padding: 20px 24px 28px;
  align-items: start;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 92px;
  min-width: 0;
}
.sidebar-right { width: 100%; }
.flyout { width: 100%; }

/* ---------- Left icon rail ---------- */
.rail {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: sticky;
  top: 92px;
}
.rail-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 4px;
  border: 1px solid transparent;
  border-radius: 13px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.2px;
  transition: background .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}
.rail-btn svg { width: 22px; height: 22px; }
.rail-btn:hover { background: var(--surface-2); color: var(--text-soft); }
.rail-btn.active {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
  box-shadow: var(--glow);
}

/* ---------- Flyout content panel ---------- */
.flyout {
  position: sticky;
  top: 92px;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 116px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.tab-pane { display: none; flex-direction: column; flex: 1; min-height: 0; }
.tab-pane.active { display: flex; }
.flyout-head {
  padding: 17px 18px 13px;
  border-bottom: 1px solid var(--border);
}
.flyout-head h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text);
}
.flyout-head p {
  margin: 5px 0 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--muted);
}
.flyout-scroll {
  padding: 16px 18px 20px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}
.group-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 12px;
}
/* Space the Elements sub-sections apart (each label is the first child of its
   own wrapper, so the gap lives on the wrapper, not the label). */
#el-lines-sec,
#el-grad-sec,
#el-icons-sec,
#el-graphics-sec { margin-top: 28px; }

/* ---------- Category chips ---------- */
.tpl-cats {
  display: flex;
  align-items: center;
  gap: 9px;
  overflow-x: auto;
  padding: 18px;
  margin-top: 4px;
  border-bottom: 1px solid var(--border);
  scrollbar-width: none;
}
.tpl-cats::-webkit-scrollbar { display: none; }

/* Drag-to-scroll horizontal rows (chips, explore cards) */
.drag-scroll { cursor: grab; }
.drag-scroll.grabbing { cursor: grabbing; user-select: none; }
.drag-scroll.grabbing .chip,
.drag-scroll.grabbing .explore-card { pointer-events: none; }
.chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  font-family: inherit;
  cursor: pointer;
  transition: background .15s var(--ease), color .15s var(--ease), border-color .15s var(--ease);
}
.chip:hover { background: var(--surface-hover); color: var(--text); }
.chip.active {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
  font-weight: 600;
}

/* ---------- Panels ---------- */
.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: border-color .2s var(--ease);
}
.panel:hover { border-color: var(--border-strong); }
.panel-head {
  padding: 12px 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), transparent);
  border-bottom: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.7px;
  text-transform: uppercase;
}
.panel-body { padding: 16px; }

/* ---------- Select (preset) ---------- */
select.select {
  appearance: none; -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--text-soft) 50%),
    linear-gradient(135deg, var(--text-soft) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 34px;
  cursor: pointer;
  font-weight: 500;
}
select.select optgroup { background: #16161a; color: var(--muted); font-style: normal; }
select.select option { background: #16161a; color: var(--text); padding: 6px; }

/* ---------- Size grid (W / swap / H) ---------- */
.size-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 9px;
  align-items: end;
  margin-top: 14px;
}
.input-group { position: relative; }
.input-group label {
  display: block;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.input-group input {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.35);
  color: var(--text);
  padding: 9px 11px;
  border-radius: var(--radius-sm);
  outline: none;
  font-family: inherit;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.input-group input:focus { border-color: var(--border-strong); box-shadow: 0 0 0 3px rgba(255,255,255,0.06); }
.swap-btn {
  height: 38px; width: 38px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-soft);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 17px;
  transition: background .15s var(--ease), transform .25s var(--ease), color .15s var(--ease);
}
.swap-btn:hover { background: var(--surface-hover); color: var(--text); transform: rotate(180deg); }
.size-hint {
  margin-top: 12px;
  font-size: 11.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  text-align: center;
  letter-spacing: 0.3px;
}

/* Background control */
.bg-section { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border); }
.bg-swatches { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; margin-top: 12px; }
.bg-swatch {
  aspect-ratio: 1;
  border-radius: 9px;
  border: 1px solid var(--border-strong);
  cursor: pointer;
  padding: 0;
  transition: transform .12s var(--ease), box-shadow .14s var(--ease);
}
.bg-swatch:hover { transform: translateY(-2px); box-shadow: var(--glow); }
.bg-swatch.transparent {
  background:
    linear-gradient(45deg, #555 25%, transparent 25%) -6px 0/12px 12px,
    linear-gradient(-45deg, #555 25%, transparent 25%) -6px 0/12px 12px,
    linear-gradient(45deg, transparent 75%, #555 75%) -6px 0/12px 12px,
    linear-gradient(-45deg, transparent 75%, #555 75%) -6px 0/12px 12px,
    #2a2a2a;
}

/* ---------- Inline input + add button ---------- */
.input-row { display: flex; gap: 8px; }
.input-row .full { flex: 1; }

/* ---------- Add-text presets ---------- */
.text-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 16px 0 14px;
  gap: 10px;
}
.text-divider::before,
.text-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}
.text-divider span {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--muted);
}
.text-presets { display: flex; flex-direction: column; gap: 9px; }
.text-preset {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  width: 100%;
  text-align: left;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 14px;
  cursor: pointer;
  font-family: inherit;
  transition: background .16s var(--ease), border-color .16s var(--ease), transform .12s var(--ease), box-shadow .16s var(--ease);
}
.text-preset:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
  transform: translateY(-1px);
  box-shadow: var(--glow);
}
.text-preset:active { transform: translateY(0); }
.tp-preview {
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.tp-meta {
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--muted);
}
.btn-icon {
  background: var(--accent);
  color: var(--on-accent);
  border: none;
  width: 42px;
  flex: 0 0 42px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
  transition: filter .15s var(--ease), transform .12s var(--ease);
}
.btn-icon:hover { filter: brightness(0.9); }
.btn-icon:active { transform: scale(0.94); }

/* ---------- Image gallery ---------- */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}
.image-gallery img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  cursor: pointer;
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 8px;
  background: rgba(0,0,0,0.3);
  transition: transform .16s var(--ease), border-color .16s var(--ease), box-shadow .16s var(--ease);
}
.image-gallery img:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px) scale(1.03);
  box-shadow: var(--glow);
}

/* ---------- Templates ---------- */
.templates {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px;
}
.tpl-card {
  display: flex;
  flex-direction: column;
  gap: 3px;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
}
.tpl-thumb {
  display: grid;
  place-items: center;
  height: 96px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(45deg, #161619 25%, transparent 25%) -8px 0/16px 16px,
    linear-gradient(-45deg, #161619 25%, transparent 25%) -8px 0/16px 16px,
    linear-gradient(45deg, transparent 75%, #161619 75%) -8px 0/16px 16px,
    linear-gradient(-45deg, transparent 75%, #161619 75%) -8px 0/16px 16px,
    #0f0f12;
  overflow: hidden;
  margin-bottom: 5px;
  transition: border-color .16s var(--ease), transform .14s var(--ease), box-shadow .16s var(--ease);
}
.tpl-thumb img {
  max-width: 90%;
  max-height: 84%;
  border-radius: 3px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.5);
  display: block;
}
.tpl-card:hover .tpl-thumb {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--glow);
}
.tpl-name {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.2px;
}
.tpl-dim {
  font-size: 10.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* ---------- Photos (Unsplash / Pexels) ---------- */
.photo-sources { display: flex; gap: 7px; margin-top: 13px; }
.photo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.photo-item {
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 11px;
  overflow: hidden;
  cursor: pointer;
  background: var(--surface-2);
  aspect-ratio: 1;
  transition: transform .14s var(--ease), border-color .14s var(--ease), box-shadow .15s var(--ease);
}
.photo-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.photo-item:hover { transform: translateY(-2px); border-color: var(--border-strong); box-shadow: var(--glow); }
.photo-key {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 15px;
  margin-bottom: 14px;
  font-size: 12.5px;
  color: var(--text-soft);
}
.photo-key p { margin: 0 0 11px; line-height: 1.5; }
.photo-key-row { display: flex; gap: 8px; margin-bottom: 11px; }
.photo-key-row .full { flex: 1; }
.photo-key a { color: var(--text); font-size: 12px; text-decoration: underline; }
.el-more a { color: var(--text-soft); }

/* ---------- Upload ---------- */
.upload-body { display: flex; flex-direction: column; gap: 12px; align-items: stretch; }
.upload-drop { display: block; cursor: pointer; }
.upload-preview {
  width: 100%;
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius);
  background: rgba(0,0,0,0.25);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.upload-preview:hover { border-color: rgba(255,255,255,0.3); background: rgba(0,0,0,0.35); }
.upload-preview img { max-width: 100%; max-height: 170px; border-radius: 8px; }
.upload-placeholder { color: var(--muted); font-size: 13px; }
input[type="file"] {
  font-size: 12.5px;
  color: var(--text-soft);
  font-family: inherit;
}
input[type="file"]::file-selector-button {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-right: 10px;
  font-family: inherit;
  transition: background .15s var(--ease);
}
input[type="file"]::file-selector-button:hover { background: var(--surface-hover); }

/* ---------- Elements: icon browser ---------- */
.el-cats { display: flex; flex-wrap: wrap; gap: 7px; margin: 2px 0 14px; }
.el-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.el-item {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 11px;
  color: var(--text-soft);
  cursor: pointer;
  padding: 0;
  transition: background .15s var(--ease), border-color .15s var(--ease), color .15s var(--ease), transform .12s var(--ease), box-shadow .15s var(--ease);
}
.el-item:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  color: var(--text);
  transform: translateY(-2px);
  box-shadow: var(--glow);
}
.el-item i { font-size: 20px; line-height: 1; }
.el-item svg, .el-item img { width: 20px; height: 20px; }
.el-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  padding: 24px 10px;
}

.el-more {
  margin-top: 12px;
  text-align: center;
  font-size: 11.5px;
  color: var(--muted);
}

/* ---------- Lines & dividers ---------- */
.lines-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.line-item {
  display: grid;
  place-items: center;
  height: 46px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 11px;
  cursor: pointer;
  color: var(--text-soft);
  padding: 0 12px;
  transition: background .15s var(--ease), border-color .15s var(--ease), color .15s var(--ease), transform .12s var(--ease);
}
.line-item:hover { background: var(--surface-hover); border-color: var(--border-strong); color: var(--text); transform: translateY(-2px); }
.line-item svg { width: 100%; height: 22px; }

/* ---------- Gradient swatches ---------- */
.grad-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.grad-item {
  aspect-ratio: 1;
  border: 1px solid var(--border);
  border-radius: 11px;
  cursor: pointer;
  padding: 0;
  transition: transform .12s var(--ease), box-shadow .15s var(--ease), border-color .15s var(--ease);
}
.grad-item:hover { transform: translateY(-2px); border-color: var(--border-strong); box-shadow: var(--glow); }

/* ---------- Figures (icon grid) ---------- */
.figures { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.figure-btn {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  background: var(--surface-2);
  color: var(--text-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  transition: background .16s var(--ease), border-color .16s var(--ease), transform .12s var(--ease), color .16s var(--ease);
}
.figure-btn svg { width: 22px; height: 22px; }
.figure-btn:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  color: var(--text);
  transform: translateY(-2px);
  box-shadow: var(--glow);
}
.figure-btn:active { transform: translateY(0); }

/* ============================================================
   CANVAS
   ============================================================ */
.canvas-stage {
  display: flex;
  justify-content: center;
  padding-top: 4px;
  min-width: 0;
}
.canvas-wrap {
  border-radius: 18px;
  padding: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-pop);
  line-height: 0;
}
.canvas-wrap canvas { border-radius: 8px; }

/* ============================================================
   OPTIONS
   ============================================================ */
.options-bar { display: flex; gap: 7px; }
.opt-btn {
  flex: 1;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-soft);
  padding: 10px 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 16px;
  transition: background .15s var(--ease), color .15s var(--ease), border-color .15s var(--ease), transform .12s var(--ease);
}
.opt-btn:hover { background: var(--accent); color: var(--on-accent); border-color: var(--accent); transform: translateY(-1px); }
.opt-danger:hover { background: var(--danger); border-color: var(--danger); color: #fff; }

/* dark-theme native controls */
select.full option { background: #16161a; color: var(--text); }
input[type="number"], input[type="text"], select { color-scheme: dark; }

/* ============================================================
   CUSTOM PROPERTIES
   ============================================================ */
.lbl {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin: 16px 0 7px;
  color: var(--muted);
}
.lbl:first-child { margin-top: 0; }
.full {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.35);
  color: var(--text);
  padding: 9px 11px;
  border-radius: var(--radius-sm);
  outline: none;
  font-family: inherit;
  font-size: 13.5px;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.full:focus { border-color: var(--border-strong); box-shadow: 0 0 0 3px rgba(255,255,255,0.06); }

.range-row { display: flex; align-items: center; gap: 11px; }
.range-row span {
  min-width: 38px; text-align: right; font-size: 12.5px;
  color: var(--text-soft); font-variant-numeric: tabular-nums; font-weight: 500;
}
.range-row input[type="color"] {
  width: 40px; height: 36px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 3px; cursor: pointer;
  background: rgba(0,0,0,0.35);
}
.range-row input[type="color"]::-webkit-color-swatch { border: none; border-radius: 5px; }
.range-row input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }

/* Custom range sliders */
input[type="range"] {
  -webkit-appearance: none; appearance: none;
  flex: 1; height: 5px; border-radius: 10px; cursor: pointer;
  background: rgba(255,255,255,0.12);
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 16px; height: 16px; border-radius: 50%;
  background: #fff;
  border: 2px solid #0a0a0a;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.25), 0 2px 8px rgba(0,0,0,0.6);
  transition: transform .12s var(--ease), box-shadow .15s var(--ease);
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.18); box-shadow: 0 0 0 5px rgba(255,255,255,0.12); }
input[type="range"]::-moz-range-thumb {
  width: 15px; height: 15px; border-radius: 50%; background: #fff;
  border: 2px solid #0a0a0a; cursor: pointer;
}

/* Segmented controls */
.btn-group {
  display: flex; gap: 0;
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
}
.seg {
  flex: 1;
  background: transparent;
  color: var(--text-soft);
  border: none;
  padding: 7px 0;
  cursor: pointer;
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  transition: background .15s var(--ease), color .15s var(--ease);
}
.seg:hover { color: var(--text); background: var(--surface-2); }
.seg.active {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

#custom-panel.no-selection { opacity: 0.4; pointer-events: none; filter: grayscale(0.3); }

/* ---------- Layers ---------- */
.layers { display: flex; flex-direction: column; gap: 5px; max-height: 320px; overflow-y: auto; }
.layers-empty { color: var(--muted); font-size: 12.5px; text-align: center; padding: 14px 0; }
.layer-row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  cursor: pointer;
  transition: background .14s var(--ease), border-color .14s var(--ease);
}
.layer-row:hover { background: var(--surface-hover); }
.layer-row.active { border-color: var(--accent); background: var(--surface-hover); }
.layer-row.hidden-layer { opacity: 0.45; }
.layer-row.dragging { opacity: 0.4; }
.layer-row.drag-over { border-top: 2px solid var(--accent); }
.layer-drag {
  flex: 0 0 auto;
  color: var(--muted);
  cursor: grab;
  font-size: 11px;
  letter-spacing: -2px;
  user-select: none;
}
.layer-drag:active { cursor: grabbing; }
.layer-rename {
  flex: 1;
  min-width: 0;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--text);
  font-family: inherit;
  font-size: 12.5px;
  padding: 4px 7px;
  outline: none;
}
.layer-ico {
  flex: 0 0 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: rgba(0,0,0,0.35);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-soft);
}
.layer-name {
  flex: 1;
  min-width: 0;
  font-size: 12.5px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.layer-actions { display: flex; gap: 2px; flex: 0 0 auto; }
.layer-btn {
  width: 24px; height: 24px;
  display: grid;
  place-items: center;
  border: none;
  background: transparent;
  color: var(--muted);
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  transition: background .13s var(--ease), color .13s var(--ease);
}
.layer-btn:hover { background: rgba(255,255,255,0.1); color: var(--text); }
.layer-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.gradient-only { display: none; }
.gradient-only .range-row input[type="color"] { flex: 1; }
.full-width-btn { width: 100%; justify-content: center; margin-top: 14px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { padding: 0 28px 48px; }
.json-output {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(0,0,0,0.4);
  color: var(--text-soft);
  padding: 18px;
  min-height: 80px;
  max-height: 340px;
  overflow: auto;
  font-family: "SF Mono", "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
}

/* feedback flash */
.flash { animation: flash .9s var(--ease); }
@keyframes flash { 0%,100%{ box-shadow:none; } 30%{ box-shadow: var(--glow); } }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1180px) {
  .layout {
    grid-template-columns: 72px 1fr;
    grid-template-areas:
      "rail flyout"
      "canvas canvas"
      "right right";
  }
  .rail { grid-area: rail; }
  .flyout { grid-area: flyout; position: static; max-height: 520px; }
  .canvas-stage { grid-area: canvas; }
  .sidebar-right { grid-area: right; position: static; }
  .rail { position: static; }
}
@media (max-width: 620px) {
  .layout { grid-template-columns: 1fr; grid-template-areas: "rail" "flyout" "canvas" "right"; }
  .rail { flex-direction: row; overflow-x: auto; }
}