/* Custom 300B — Ocean teal · desktop studio layout */
:root {
  --bg: #0a1518;
  --bg-deep: #0c1c22;
  --ink: #e8f6f3;
  --ink-soft: #b7d9d3;
  --muted: #7a9e98;
  --paper: #0f1c20;
  --paper-edge: rgba(46, 196, 182, 0.30);
  --copper: #2ec4b6;
  --copper-deep: #98f5e1;
  --gold: #2ec4b6;
  --gold-soft: #5eead4;
  --accent: #2ec4b6;
  --accent-soft: rgba(46, 196, 182, 0.14);
  --coral: #ff6b6b;
  --coral-soft: #ff8a7a;
  --coral-deep: #e85a5a;
  --mint: #98f5e1;
  --mint-soft: rgba(152, 245, 225, 0.18);
  --danger: #ff6b6b;
  --shadow: 0 12px 40px rgba(0, 10, 14, 0.5);
  --radius: 14px;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --sch-fill: #122428;
  --sch-stroke: #2ec4b6;
  --sch-stroke-muted: rgba(46, 196, 182, 0.45);
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
  /* Chat (Ocean teal; wa-* class hooks for rich media UX) */
  --wa-green: #2ec4b6;
  --wa-green-mid: #5eead4;
  --wa-green-bright: #98f5e1;
  --wa-header: #0f2a30;
  --wa-out: rgba(46, 196, 182, 0.18);
  --wa-in: rgba(255, 255, 255, 0.06);
  --wa-bg: #0a1518;
  --wa-compose: #0c1a1e;
  --wa-tick: #5eead4;
  --wa-tick-sent: #7a9e98;
  --wa-meta: #7a9e98;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: dark; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1000px 520px at 12% -8%, rgba(46, 196, 182, 0.10) 0%, transparent 55%),
    radial-gradient(800px 480px at 100% 0%, rgba(255, 107, 107, 0.05) 0%, transparent 50%),
    var(--bg);
  line-height: 1.55;
  min-height: 100vh;
}

img { max-width: 100%; display: block; }
a { color: var(--gold-soft); }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.4em;
  color: var(--ink);
}
h1 { font-size: clamp(1.85rem, 4vw, 2.6rem); color: var(--gold-soft); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.25rem; }
em { font-style: italic; color: var(--gold); }

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin: 0 0 0.5rem;
}
.muted { color: var(--muted); }
.lede {
  font-size: 1.02rem;
  color: var(--ink-soft);
  max-width: 42rem;
  margin: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.7rem 1.35rem;
  font: 500 0.95rem var(--font-body);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s, background 0.15s, box-shadow 0.15s, border-color 0.15s, color 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--coral-soft), var(--coral));
  color: #04201c;
  box-shadow: 0 6px 18px rgba(46, 196, 182, 0.28);
  font-weight: 600;
}
.btn-primary:hover { box-shadow: 0 8px 22px rgba(46, 196, 182, 0.38); }
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--gold);
}
.btn-secondary:hover { background: var(--accent-soft); }
.btn-ghost {
  background: transparent;
  border-color: var(--paper-edge);
  color: var(--ink-soft);
}
.btn-ghost:hover { background: rgba(255,255,255,0.04); border-color: var(--gold); color: var(--ink); }
.btn-tiny {
  padding: 0.35rem 0.75rem;
  font-size: 0.78rem;
  background: transparent;
  border: 1px solid var(--paper-edge);
  color: var(--ink-soft);
  border-radius: 8px;
}
.btn-tiny:hover { border-color: var(--gold); color: var(--ink); }
.btn-link {
  background: none;
  border: none;
  color: var(--gold-soft);
  padding: 0;
  font: 500 0.85rem var(--font-body);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.btn-block { width: 100%; }

/* Gate */
.gate[hidden] { display: none !important; }
.gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  background: linear-gradient(160deg, #061012 0%, #0c1c22 50%, #0a1518 100%);
  color: var(--ink);
}
.gate-card {
  width: min(420px, 100%);
  background: rgba(22, 22, 22, 0.9);
  border: 1px solid rgba(46, 196, 182, 0.35);
  border-radius: var(--radius);
  padding: 2.2rem;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}
.gate-card h1 { color: var(--gold-soft); }
.gate-copy { color: var(--ink-soft); }
.gate-card form { display: flex; gap: 0.5rem; margin-top: 1.2rem; }
.gate-card input {
  flex: 1;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(46, 196, 182, 0.42);
  background: rgba(0,0,0,0.35);
  color: var(--ink);
  font: 400 1rem var(--font-body);
}
.gate-err { color: #f0a090; font-size: 0.9rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem clamp(1rem, 4vw, 2.5rem);
  background: rgba(10, 21, 24, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--paper-edge);
}
.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand-mark {
  width: 2.2rem; height: 2.2rem;
  display: grid; place-items: center;
  border-radius: 50%;
  background: transparent;
  border: 1.5px solid var(--gold);
  color: var(--gold);
  font-size: 1.1rem;
}
.brand strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--gold-soft);
  outline: none;
}
.brand strong:focus { box-shadow: 0 0 0 2px var(--gold); border-radius: 4px; }
.brand-sub { font-size: 0.78rem; color: var(--ink-soft); letter-spacing: 0.02em; }
.header-nav {
  display: flex; gap: 1.1rem; margin-left: auto;
}
.header-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 500;
}
.header-nav a:hover { color: var(--gold); }
.header-badge {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--gold);
  white-space: nowrap;
  border: 1px solid rgba(46, 196, 182, 0.35);
}


/* Customer Support CTA in header */
.btn-support {
  appearance: none;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #1a0a0a;
  background: linear-gradient(135deg, var(--coral-soft), var(--coral));
  border: 1px solid rgba(255, 107, 107, 0.55);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  min-height: 2.35rem;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(255, 107, 107, 0.28);
}
.btn-support:hover { transform: translateY(-1px); }
.btn-support:active { transform: scale(0.98); }

.live-badge {
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  color: #04201c;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  flex-shrink: 0;
}
.toolbar-label {
  flex: 1;
  min-width: 0;
  font-size: 0.85rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chassis-chevron {
  color: var(--gold);
  font-size: 1.5rem;
  font-weight: 300;
  flex-shrink: 0;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app[hidden] { display: none !important; }

/* ===== One continuous page ===== */
.page {
  padding: clamp(1.25rem, 3vw, 2rem) clamp(1rem, 4vw, 2.5rem) clamp(2rem, 5vw, 3.5rem);
}

.intro {
  margin-bottom: 1.35rem;
  max-width: 48rem;
}
.intro h1 { margin-bottom: 0.45rem; }
.intro .lede { margin-top: 0.35rem; }

.builder-layout {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 1.25rem;
  align-items: start;
}
.schematic-panel, .options-panel {
  background: var(--paper);
  border: 1px solid var(--paper-edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-height: 420px;
}
.panel-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--paper-edge);
  font-size: 0.85rem;
  color: var(--muted);
}
.toolbar-actions { display: flex; gap: 0.4rem; flex-shrink: 0; }

/* Topology strip — control on the builder, not a separate section */
.topo-strip {
  padding: 0.65rem 1rem 0.75rem;
  border-bottom: 1px solid var(--paper-edge);
  background: linear-gradient(180deg, #122428, #0e1a1e);
}
.topo-strip-head {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  margin-bottom: 0.55rem;
  flex-wrap: wrap;
}
.topo-label {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--copper);
}
.topo-hint {
  font-size: 0.78rem;
  color: var(--muted);
  flex: 1;
}
.topo-toggle {
  flex-shrink: 0;
  font-size: 0.8rem;
}
.topo-strip.is-collapsed .schematic-strip {
  display: none;
}
.topo-strip.is-collapsed .topo-toggle::after {
  /* label handled in JS */
}

.schematic-strip {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.15rem;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}
.schematic-card {
  appearance: none;
  text-align: left;
  border: 1.5px solid var(--paper-edge);
  background: #122428;
  border-radius: 10px;
  padding: 0.55rem 0.75rem;
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
  flex: 0 0 auto;
  min-width: 148px;
  max-width: 200px;
  scroll-snap-align: start;
}
.schematic-card:hover { border-color: var(--gold); }
.schematic-card.is-selected {
  border-color: var(--gold);
  background: rgba(46, 196, 182, 0.12);
  box-shadow: 0 0 0 2px rgba(46, 196, 182, 0.22);
}
.schematic-card h4 {
  margin: 0 0 0.2rem;
  font-size: 0.95rem;
  line-height: 1.2;
}
.schematic-card p {
  margin: 0;
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.schematic-card .tag {
  display: inline-block;
  margin-top: 0.4rem;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
}

/* ===== Interactive SVG schematic ===== */
.svg-schematic-wrap {
  margin: 0.75rem 0.9rem 0.4rem;
  border: 1px solid var(--paper-edge);
  border-radius: 12px;
  background: linear-gradient(180deg, #0c1c22, #0e0e0e);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  position: relative;
  transition: box-shadow 0.25s, border-color 0.25s;
}
.svg-schematic-wrap[data-chassis="ch-aluminum"] {
  border-color: rgba(192, 198, 210, 0.45);
  box-shadow: inset 0 0 40px rgba(180, 190, 210, 0.06);
}
.svg-schematic-wrap[data-chassis="ch-steel"] {
  border-color: rgba(160, 155, 145, 0.4);
  box-shadow: inset 0 0 48px rgba(0, 0, 0, 0.35);
}
.svg-schematic-wrap[data-chassis="ch-wood"] {
  border-color: rgba(168, 120, 60, 0.55);
  box-shadow: inset 0 0 40px rgba(140, 90, 40, 0.12);
}
.svg-schematic-wrap[data-chassis="ch-copper"] {
  border-color: rgba(201, 140, 70, 0.65);
  box-shadow: inset 0 0 36px rgba(201, 140, 70, 0.14), 0 0 24px rgba(201, 162, 39, 0.08);
}
.chassis-banner {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0.65rem 0.9rem 0;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--paper-edge);
  border-radius: 10px;
  background: #0e1a1e;
  transition: border-color 0.25s, background 0.25s;
}
.chassis-banner[data-chassis="ch-aluminum"] { border-color: rgba(192, 198, 210, 0.45); background: linear-gradient(90deg, #1a1c20, #0e1a1e); }
.chassis-banner[data-chassis="ch-steel"] { border-color: rgba(160, 155, 145, 0.4); background: linear-gradient(90deg, #161614, #0c1c22); }
.chassis-banner[data-chassis="ch-wood"] { border-color: rgba(168, 120, 60, 0.55); background: linear-gradient(90deg, #1c1610, #141210); }
.chassis-banner[data-chassis="ch-copper"] { border-color: rgba(201, 140, 70, 0.65); background: linear-gradient(90deg, #1c1610, #16120e); }
.chassis-banner-label {
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
}
.chassis-banner-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--ink);
  font-weight: 600;
}
.chassis-banner-sound {
  font-size: 0.78rem;
  color: var(--muted);
  max-width: 28rem;
  line-height: 1.35;
}
.chassis-preview-note {
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.svg-schematic {
  min-width: 640px;
  padding: 0.35rem;
}
.svg-schematic svg {
  display: block;
  width: 100%;
  height: auto;
  min-width: 640px;
}

.sch-node { cursor: pointer; }
.sch-node:focus { outline: none; }
.sch-node:focus-visible .sch-box,
.sch-node:focus-visible .sch-tube,
.sch-node:focus-visible .sch-banner {
  stroke: var(--gold);
  filter: drop-shadow(0 0 5px rgba(201, 162, 39, 0.45));
}

.sch-box, .sch-tube, .sch-banner {
  fill: #122428;
  stroke: rgba(201, 162, 39, 0.55);
  stroke-width: 1.8;
  transition: fill 0.2s, stroke 0.2s, filter 0.2s;
}
.sch-box--iron { fill: #1c1a16; }
.sch-tube--power { stroke-width: 2.2; }
.sch-banner {
  fill: #181612;
  stroke: rgba(201, 162, 39, 0.45);
}

.sch-node.is-active .sch-box,
.sch-node.is-active .sch-tube,
.sch-node.is-active .sch-banner {
  stroke: var(--gold);
  filter: drop-shadow(0 0 5px rgba(46, 196, 182, 0.42));
}
.sch-node.is-custom .sch-box,
.sch-node.is-custom .sch-tube {
  fill: #1e1a10;
  stroke: var(--gold-soft);
}
.sch-node.is-custom .sch-banner {
  fill: #1e1a10;
  stroke: var(--gold-soft);
}
.sch-node.is-flash .sch-box,
.sch-node.is-flash .sch-tube,
.sch-node.is-flash .sch-banner {
  animation: sch-flash 0.95s ease;
}
.sch-node.is-flash .sch-label-main {
  fill: var(--gold-soft);
}

@keyframes sch-flash {
  0% { filter: drop-shadow(0 0 8px rgba(201, 162, 39, 0.7)); }
  100% { filter: drop-shadow(0 0 0 rgba(201, 162, 39, 0)); }
}

.sch-wire {
  stroke: var(--gold);
  stroke-width: 1.8;
  fill: none;
}
.sch-wire--bplus {
  stroke: #a88b45;
  stroke-width: 1.5;
  stroke-dasharray: 4 3;
}
.sch-wire--feedback {
  stroke: var(--gold-soft);
  stroke-width: 1.4;
  stroke-dasharray: 5 4;
  opacity: 0.85;
}

.sch-label-main {
  font-family: var(--font-display), Georgia, serif;
  font-size: 15px;
  font-weight: 700;
  fill: var(--ink);
}
.sch-label-main--sm { font-size: 12px; }
.sch-label-sub {
  font-family: var(--font-body), system-ui, sans-serif;
  font-size: 10px;
  fill: var(--ink-soft);
}
.sch-label-hint {
  font-family: var(--font-body), system-ui, sans-serif;
  font-size: 9px;
  letter-spacing: 0.04em;
  fill: var(--muted);
}
.sch-label-delta {
  font-family: var(--font-body), system-ui, sans-serif;
  font-size: 10px;
  font-weight: 600;
  fill: var(--copper-deep);
}
.sch-caption {
  font-family: var(--font-body), system-ui, sans-serif;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  fill: var(--muted);
  font-weight: 600;
}
.sch-section {
  font-family: var(--font-body), system-ui, sans-serif;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  fill: var(--muted);
  font-weight: 600;
}
.sch-banner-label {
  font-family: var(--font-body), system-ui, sans-serif;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  fill: var(--muted);
  font-weight: 600;
}
.sch-banner-main {
  font-family: var(--font-display), Georgia, serif;
  font-size: 20px;
  font-weight: 700;
  fill: var(--ink);
}
.sch-banner-sub {
  font-family: var(--font-body), system-ui, sans-serif;
  font-size: 11px;
  fill: var(--muted);
}
.sch-anno {
  font-family: var(--font-body), system-ui, sans-serif;
  font-size: 11px;
  fill: var(--muted);
  font-style: italic;
}
.sch-anno--bplus {
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.1em;
  font-weight: 600;
}
.sch-footnote {
  font-family: var(--font-body), system-ui, sans-serif;
  font-size: 10px;
  fill: var(--muted);
}

/* Stage rail under schematic */
.stage-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 0.65rem 1rem 0.85rem;
  border-top: 1px dashed var(--paper-edge);
}
.rail-chip {
  appearance: none;
  border: 1px solid var(--paper-edge);
  background: #122428;
  border-radius: 10px;
  padding: 0.4rem 0.65rem;
  font: inherit;
  color: inherit;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
  min-width: 88px;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.rail-chip:hover { border-color: var(--gold); }
.rail-chip.is-active {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(201, 162, 39, 0.2);
}
.rail-chip.is-custom {
  background: rgba(46, 196, 182, 0.12);
  border-color: var(--gold);
}
.rail-chip.is-flash { animation: stage-flash 0.85s ease; }
.rail-stage {
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.rail-pick {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink);
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.diagram-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0.55rem 1.1rem 0.35rem;
  font-size: 0.78rem;
  color: var(--muted);
}
.dot {
  display: inline-block;
  width: 0.55rem; height: 0.55rem;
  border-radius: 50%;
  margin-right: 0.35rem;
  vertical-align: middle;
}
.dot.std { background: rgba(46, 196, 182, 0.35); }
.dot.custom { background: var(--gold-soft); }
.dot.active { background: var(--gold); }
.dot.flash { background: var(--gold); box-shadow: 0 0 0 2px rgba(46, 196, 182, 0.35); }

@keyframes stage-flash {
  0% { box-shadow: 0 0 0 0 rgba(201, 162, 39, 0.55); background: rgba(46, 196, 182, 0.22); }
  100% { box-shadow: 0 0 0 3px rgba(201, 162, 39, 0); }
}

/* Options panel */
.options-panel { padding: 1.25rem 1.2rem 1.4rem; position: sticky; top: 4.5rem; }
.slot-empty h3 { margin-top: 0.3rem; }
.slot-desc { color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 1rem; }
.option-list { display: flex; flex-direction: column; gap: 0.45rem; max-height: 320px; overflow-y: auto; }
.option-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.25rem 0.75rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--paper-edge);
  border-radius: 10px;
  background: #122428;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
  transition: border-color 0.12s, background 0.12s;
}
.option-item:hover { border-color: var(--gold); }
.option-item.is-selected {
  border-color: var(--gold);
  background: rgba(46, 196, 182, 0.12);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 39, 0.25);
}
.option-item .opt-name { font-weight: 600; grid-column: 1; }
.option-item .opt-cost {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--copper-deep);
  white-space: nowrap;
}
.option-item .opt-sound {
  grid-column: 1;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.35;
}
.option-item .opt-badge {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--bg-deep);
  color: var(--ink-soft);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  margin-left: 0.4rem;
  vertical-align: middle;
}

.edu-card {
  margin-top: 1.25rem;
  padding: 1rem;
  background: #0c1c22;
  border: 1px solid var(--paper-edge);
  border-radius: 12px;
}
.edu-card h4 { font-size: 1.05rem; }
.edu-card p { font-size: 0.9rem; color: var(--ink-soft); margin: 0.4rem 0 0.7rem; }
.edu-deeper {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--paper-edge);
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.edu-deeper ul { margin: 0.4rem 0 0.8rem; padding-left: 1.1rem; }

.every-components {
  margin-top: 1.25rem;
  padding: 1.1rem 1.25rem;
  background: var(--paper);
  border: 1px solid var(--paper-edge);
  border-radius: var(--radius);
}
.every-components h3 { margin-bottom: 0.75rem; font-size: 1.1rem; }
.chip-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
  appearance: none;
  border: 1px solid var(--paper-edge);
  background: #122428;
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font: 500 0.85rem var(--font-body);
  cursor: pointer;
  color: var(--ink);
}
.chip:hover, .chip.is-active {
  border-color: var(--gold);
  background: rgba(46, 196, 182, 0.12);
}
.chip .chip-delta { color: var(--copper-deep); margin-left: 0.35rem; font-size: 0.78rem; }

/* Order — same page */
.order {
  margin-top: 1.75rem;
  padding: 0;
}
.order-card {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
  background: linear-gradient(145deg, #0e1a1e, #122428);
  color: var(--ink);
  border: 1px solid var(--paper-edge);
  border-radius: calc(var(--radius) + 4px);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--shadow);
}
.order-card .eyebrow { color: var(--gold); }
.order-card h2 { color: var(--gold-soft); }
.cost-dl { margin: 1.2rem 0; }
.cost-dl > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(232, 246, 243, 0.08);
}
.cost-dl dt { color: var(--ink-soft); font-size: 0.95rem; }
.cost-dl dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--gold-soft);
}
.cost-dl .delta dd { color: var(--gold); font-size: 1.2rem; }
.cost-note { font-size: 0.8rem; color: var(--muted); }
.config-summary {
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--ink-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.config-summary span {
  background: rgba(232, 246, 243, 0.08);
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
}
.order-actions { display: flex; flex-direction: column; gap: 0.65rem; justify-content: center; }
.share-line { font-size: 0.85rem; color: var(--ink-soft); margin: 0.4rem 0 0; }
.toast {
  margin-top: 0.5rem;
  padding: 0.65rem 0.85rem;
  background: rgba(46, 196, 182, 0.22);
  border: 1px solid rgba(46, 196, 182, 0.35);
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--ink);
}


/* Premium top contact / ownership */
.brand-block {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  flex-wrap: wrap;
  min-width: 0;
}
.site-contact {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.12rem;
  margin: 0;
  padding: 0.35rem 0.85rem;
  border: 1px solid rgba(46, 196, 182, 0.35);
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(46, 196, 182, 0.12), rgba(46, 196, 182, 0.04));
  box-shadow: inset 0 1px 0 rgba(46, 196, 182, 0.14);
}
.site-contact-by {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
}
.site-contact a {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gold-soft);
  text-decoration: none;
  letter-spacing: 0.01em;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s, color 0.15s;
  line-height: 1.2;
}
.site-contact a:hover {
  color: var(--copper-deep);
  border-bottom-color: rgba(201, 162, 39, 0.55);
}
@media (max-width: 720px) {
  .brand-block {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
  }
  .site-contact {
    width: 100%;
  }
}

/* Footer */
.site-footer {
  padding: 2rem clamp(1rem, 4vw, 2.5rem) 3rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.9rem;
  border-top: 1px solid var(--paper-edge);
}
.site-footer .muted { font-size: 0.8rem; }

/* Modal */
.modal {
  border: none;
  border-radius: var(--radius);
  padding: 0;
  background: transparent;
  max-width: 400px;
}
.modal::backdrop { background: rgba(0, 0, 0, 0.72); }
.modal-card {
  background: var(--paper);
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--paper-edge);
  box-shadow: var(--shadow);
}
.modal-card h3 { margin-bottom: 0.5rem; }
.modal-card p { color: var(--ink-soft); margin: 0 0 1.2rem; }

/* Mobile */
@media (max-width: 980px) {
  .builder-layout, .order-card {
    grid-template-columns: 1fr;
  }
  .header-nav { display: none; }
  .options-panel { position: static; }
  .svg-schematic, .svg-schematic svg { min-width: 720px; }
  .sch-label-main { font-size: 16px; }
  .sch-label-main--sm { font-size: 13px; }
  .sch-banner-main { font-size: 22px; }
}
@media (max-width: 520px) {
  .site-header { flex-wrap: wrap; }
  .header-badge { margin-left: auto; }
  .panel-toolbar { flex-wrap: wrap; }
  .svg-schematic, .svg-schematic svg { min-width: 780px; }
  .schematic-card { min-width: 132px; }
}


/* ===== Customer Support drawer (Ocean teal · rich media chat) ===== */
.support-drawer {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: stretch end;
}
.support-drawer[hidden] { display: none !important; }
.support-backdrop {
  position: absolute; inset: 0;
  background: rgba(0, 8, 12, 0.62);
  backdrop-filter: blur(2px);
  cursor: pointer;
}
.support-panel.wa-panel {
  position: relative;
  width: min(100%, 420px);
  height: 100dvh;
  max-height: 100dvh;
  background: var(--bg-deep);
  border-left: 1px solid rgba(46, 196, 182, 0.35);
  box-shadow: -12px 0 40px rgba(0, 0, 0, 0.45);
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}
.wa-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: calc(8px + var(--safe-t)) 8px 10px 4px;
  background: linear-gradient(180deg, #14343c 0%, #0f2a30 55%, #0c2228 100%);
  color: var(--ink);
  flex-shrink: 0;
  position: relative;
  z-index: 5;
  border-bottom: 1px solid rgba(46, 196, 182, 0.28);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.28);
}
.wa-back {
  appearance: none; border: none; background: transparent;
  color: var(--gold-soft);
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%; cursor: pointer; padding: 0; flex-shrink: 0;
}
.wa-back:active { background: rgba(46, 196, 182, 0.16); }
.wa-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: transparent;
  border: 1.5px solid var(--gold);
  color: var(--gold);
  display: grid; place-items: center;
  font-size: 1rem; flex-shrink: 0;
}
.wa-header-text {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column; gap: 1px; line-height: 1.2;
}
.wa-header-text h2 {
  margin: 0; font-family: var(--font-display);
  font-size: 1.15rem; font-weight: 600; color: var(--gold-soft);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.wa-presence {
  margin: 0; font-size: 0.75rem; color: var(--ink-soft); font-weight: 400;
}
.wa-presence.is-typing { font-style: italic; color: var(--gold-soft); }
.wa-sync {
  margin: 0; font-size: 0.65rem; color: var(--muted); font-weight: 500;
}
.wa-sync[data-kind="error"] { color: var(--danger); }
.wa-sync[data-kind="ok"] { color: var(--gold-soft); }
.wa-header-actions { position: relative; flex-shrink: 0; display: flex; align-items: center; gap: 2px; }
.wa-av-actions {
  display: flex; align-items: center; gap: 0;
}
.wa-av-actions[hidden] { display: none !important; }
.wa-icon-btn.is-active,
.wa-icon-btn[aria-pressed="true"] {
  background: rgba(46, 196, 182, 0.22);
  color: var(--gold-soft);
}

/* In-chat video panel (WhatsApp-style expandable) */
.wa-av-panel {
  flex-shrink: 0;
  background: #071416;
  border-bottom: 1px solid rgba(46, 196, 182, 0.28);
}
.wa-av-panel[hidden] { display: none !important; }
.wa-av-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  background: var(--wa-header);
}
.wa-av-label {
  font: 600 0.82rem/1.2 var(--font-body);
  color: var(--gold-soft);
}
.wa-av-hint {
  flex: 1;
  font-size: 0.68rem;
  color: var(--wa-meta);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.wa-av-end {
  appearance: none; border: none; cursor: pointer;
  font: 600 0.75rem/1 var(--font-body);
  color: #fff;
  background: #c44536;
  border-radius: 999px;
  padding: 7px 14px;
}
.wa-av-end:hover { filter: brightness(1.08); }
.wa-av-frame-wrap {
  position: relative;
  width: 100%;
  height: min(42vh, 320px);
  background: #000;
}
.wa-av-frame-wrap iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}

/* In-chat live map panel */
.wa-map-panel {
  flex-shrink: 0;
  background: #0a181c;
  border-bottom: 1px solid rgba(46, 196, 182, 0.28);
}
.wa-map-panel[hidden] { display: none !important; }
.wa-map-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  background: var(--wa-header);
}
.wa-map-label {
  font: 600 0.82rem/1.2 var(--font-body);
  color: var(--gold-soft);
}
.wa-map-share {
  appearance: none; border: 1px solid rgba(46, 196, 182, 0.45);
  background: rgba(46, 196, 182, 0.12);
  color: var(--ink);
  font: 600 0.72rem/1 var(--font-body);
  border-radius: 999px;
  padding: 7px 12px;
  cursor: pointer;
  margin-left: auto;
}
.wa-map-share.is-active,
.wa-map-share[aria-pressed="true"] {
  background: rgba(46, 196, 182, 0.32);
  color: var(--gold-soft);
}
.wa-map-close {
  appearance: none; border: none; background: transparent;
  color: var(--ink-soft); width: 32px; height: 32px;
  border-radius: 50%; cursor: pointer; font-size: 0.9rem;
}
.wa-map-close:hover { background: rgba(46, 196, 182, 0.16); }
.wa-map-body {
  display: flex; flex-direction: column;
  height: min(36vh, 260px);
}
#support-peer-map {
  flex: 1; min-height: 160px;
  background: #0d2228;
}
.wa-map-hint {
  margin: 0;
  padding: 6px 12px 8px;
  font-size: 0.68rem;
  color: var(--wa-meta);
  background: #071416;
}
.support-peer-marker {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #e07a5f;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.45);
}
.support-peer-marker.is-self {
  background: #2ec4b6;
}

.wa-icon-btn {
  appearance: none; border: none; background: transparent;
  color: var(--ink-soft);
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%; cursor: pointer; padding: 0;
}
.wa-icon-btn:active,
.wa-icon-btn[aria-expanded="true"] { background: rgba(46, 196, 182, 0.16); }
.wa-menu {
  position: absolute; top: calc(100% + 4px); right: 4px;
  min-width: 220px;
  background: var(--paper);
  border-radius: 14px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
  padding: 8px 0; z-index: 20; color: var(--ink);
  border: 1px solid rgba(46, 196, 182, 0.28);
}
.wa-menu[hidden] { display: none !important; }
.wa-menu-section { padding: 8px 14px 10px; }
.wa-menu-label {
  margin: 0 0 8px; font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em; color: var(--wa-meta);
}
.wa-menu .support-role {
  display: flex; background: rgba(0,0,0,0.28);
  border-radius: 999px; padding: 3px; border: none; gap: 2px;
}
.wa-menu .role-btn {
  flex: 1; appearance: none; border: none; background: transparent;
  color: var(--ink-soft); font: 600 0.72rem/1 var(--font-body);
  padding: 8px 10px; border-radius: 999px; cursor: pointer;
}
.wa-menu .role-btn.is-active {
  background: rgba(46, 196, 182, 0.28);
  color: var(--gold-soft);
  border: 1px solid rgba(46, 196, 182, 0.5);
}
.wa-menu-item {
  appearance: none; border: none; background: transparent;
  width: 100%; text-align: left; padding: 12px 16px;
  font: 500 0.92rem/1.2 var(--font-body); color: var(--ink); cursor: pointer;
}
.wa-menu-item:hover { background: rgba(46, 196, 182, 0.1); }
.wa-menu-danger { color: var(--danger); }
.wa-menu-hint { margin: 4px 14px 6px; font-size: 0.68rem; color: var(--wa-meta); }

.wa-gate {
  flex: 1; display: flex; align-items: center; justify-content: center;
  padding: 24px 18px calc(24px + var(--safe-b));
  background: radial-gradient(600px 280px at 50% 0%, rgba(46,196,182,0.08), transparent 60%), var(--bg);
}
.wa-gate[hidden],
#support-gate[hidden],
.support-chat[hidden],
.wa-chat[hidden],
.wa-preview[hidden],
.wa-typing[hidden],
.wa-attach-sheet[hidden],
.wa-emoji-panel[hidden],
.wa-react-panel[hidden],
.wa-mic[hidden],
.wa-send[hidden] {
  display: none !important;
}
.wa-gate-card {
  width: 100%; max-width: 340px;
  background: var(--paper);
  border-radius: 18px;
  padding: 22px 18px 18px;
  box-shadow: var(--shadow);
  text-align: center;
  border: 1px solid rgba(46, 196, 182, 0.32);
}
.wa-gate-icon {
  width: 56px; height: 56px; margin: 0 auto 12px; border-radius: 50%;
  background: rgba(46, 196, 182, 0.14);
  border: 1px solid rgba(46, 196, 182, 0.35);
  display: grid; place-items: center; font-size: 26px;
}
.support-gate-copy {
  color: var(--ink-soft); font-size: 0.9rem; line-height: 1.45;
  margin: 0 0 16px; text-align: left;
}
#support-gate-form { display: grid; gap: 10px; }
#support-pass {
  width: 100%;
  border: 1.5px solid rgba(46, 196, 182, 0.42);
  border-radius: 12px; padding: 14px;
  font: 600 1rem/1.2 var(--font-body);
  background: rgba(0,0,0,0.35); color: var(--ink);
}
#support-pass:focus {
  outline: none; border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(46, 196, 182, 0.22);
}
.wa-unlock-btn {
  appearance: none; border: none; cursor: pointer;
  font: 700 0.95rem/1 var(--font-body);
  border-radius: 999px; padding: 14px 18px;
  background: linear-gradient(135deg, var(--coral-soft), var(--coral));
  color: #1a0a0a;
  box-shadow: 0 6px 16px rgba(255, 107, 107, 0.35);
}
.wa-unlock-btn:active { transform: scale(0.98); }
.support-gate-err {
  color: var(--danger); font-size: 0.85rem; font-weight: 700;
  margin: 12px 0 0; text-align: left;
}
.support-gate-attempts {
  margin: 8px 0 0; font-size: 0.8rem; color: var(--wa-meta);
  font-weight: 600; text-align: left;
}

.support-chat.wa-chat {
  display: flex; flex-direction: column; min-height: 0; flex: 1; gap: 0; position: relative;
}
.wa-wallpaper {
  flex: 1; min-height: 0; display: flex; flex-direction: column; position: relative;
  background:
    radial-gradient(rgba(46, 196, 182, 0.06) 1px, transparent 1px),
    var(--bg);
  background-size: 12px 12px, auto;
  overflow: hidden;
}
.wa-typing {
  position: absolute; left: 12px; top: 8px; z-index: 2; margin: 0;
  font-size: 0.75rem; color: var(--ink-soft); font-weight: 500; font-style: italic;
  background: rgba(15, 28, 32, 0.94);
  padding: 4px 10px; border-radius: 999px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
  border: 1px solid rgba(46, 196, 182, 0.28);
}
.wa-messages {
  flex: 1; min-height: 0; overflow-y: auto;
  display: flex; flex-direction: column; gap: 6px;
  padding: 12px 10px 10px;
  -webkit-overflow-scrolling: touch;
}
.wa-empty {
  position: absolute; left: 50%; top: 42%; transform: translate(-50%, -50%);
  text-align: center; color: var(--muted); font-size: 0.85rem; margin: 0;
  background: rgba(15, 28, 32, 0.94);
  padding: 8px 14px; border-radius: 12px;
  border: 1px solid rgba(46, 196, 182, 0.22);
  width: fit-content; max-width: 90%; z-index: 1; pointer-events: none;
}
.wa-empty[hidden] { display: none !important; }

.support-msg {
  max-width: 78%;
  background: var(--wa-in);
  border-radius: 14px; border-top-left-radius: 4px;
  padding: 6px 8px 4px 9px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
  align-self: flex-start; position: relative;
  border: 1px solid rgba(46, 196, 182, 0.18);
}
.support-msg.is-theirs {
  align-self: flex-start; background: var(--wa-in);
  border-top-left-radius: 4px; border-top-right-radius: 14px;
}
.support-msg.is-mine {
  align-self: flex-end;
  background: var(--wa-out);
  border-top-left-radius: 14px; border-top-right-radius: 4px;
  border-color: rgba(46, 196, 182, 0.32);
}
.support-msg.is-theirs[data-role="support"] {
  border-color: rgba(255, 107, 107, 0.28);
  background: rgba(255, 107, 107, 0.08);
}
.support-msg-meta {
  display: flex; align-items: center; gap: 6px; margin-bottom: 2px; flex-wrap: wrap;
}
.support-msg-who {
  font-size: 0.68rem; font-weight: 700; color: var(--gold-soft);
  letter-spacing: 0.04em; text-transform: uppercase;
}
.support-msg.is-theirs[data-role="support"] .support-msg-who { color: #ff8f8f; }
.support-msg-time { font-size: 0.65rem; color: var(--wa-meta); margin-left: auto; }
.support-msg-foot {
  display: flex; align-items: flex-end; justify-content: flex-end;
  gap: 3px; margin-top: 2px; float: right; margin-left: 10px; position: relative; top: 2px;
}
.support-msg-time-inline { font-size: 0.65rem; color: var(--wa-meta); line-height: 1; }
.support-msg-receipt {
  font-size: 0.85rem; color: var(--wa-tick-sent); line-height: 1; letter-spacing: -0.12em;
}
.support-msg-receipt.is-read { color: var(--wa-tick); }
.support-msg-del {
  appearance: none; border: none; background: transparent;
  color: var(--wa-meta); font: 600 0.65rem/1 var(--font-body);
  cursor: pointer; padding: 0; opacity: 0.7;
}
.support-msg-del:hover { color: var(--danger); opacity: 1; }
.support-msg-text {
  margin: 0; font-size: 0.9rem; line-height: 1.35;
  white-space: pre-wrap; word-break: break-word; color: var(--ink); display: inline;
}
.support-msg-img {
  display: block; max-width: 100%; max-height: 240px;
  width: auto; height: auto; object-fit: contain;
  border-radius: 8px; margin: 2px 0 4px; background: #061012;
}
.support-msg-video {
  display: block; max-width: 100%; max-height: 240px; width: 100%;
  border-radius: 8px; margin: 2px 0 4px; background: #061012;
}
.support-msg-audio {
  display: block; width: 100%; max-width: 240px; margin: 4px 0; height: 36px;
}
.support-msg-loc {
  display: block; text-decoration: none; color: inherit;
  background: rgba(46, 196, 182, 0.08);
  border-radius: 10px; padding: 8px 10px; margin: 2px 0 4px;
  border: 1px solid rgba(46, 196, 182, 0.28);
}
.support-msg-loc-pin { font-size: 1.4rem; margin-right: 6px; vertical-align: middle; }
.support-msg-loc-title { font-weight: 700; font-size: 0.85rem; color: var(--gold-soft); }
.support-msg-loc-coords { display: block; font-size: 0.72rem; color: var(--wa-meta); margin-top: 2px; }
.support-msg-doc {
  display: flex; align-items: center; gap: 8px; text-decoration: none; color: inherit;
  background: rgba(46, 196, 182, 0.08);
  border-radius: 10px; padding: 8px 10px; margin: 2px 0 4px;
  border: 1px solid rgba(46, 196, 182, 0.28);
}
.support-msg-doc-icon { font-size: 1.4rem; flex-shrink: 0; }
.support-msg-doc-name { font-weight: 700; font-size: 0.85rem; word-break: break-word; color: var(--ink); }
.support-msg-doc-size { display: block; font-size: 0.68rem; color: var(--wa-meta); font-weight: 500; }
.support-msg-reacts { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; clear: both; }
.support-msg-react {
  appearance: none; border: 1px solid rgba(46, 196, 182, 0.35);
  background: rgba(15, 28, 32, 0.92); border-radius: 999px;
  padding: 1px 7px 2px; font-size: 0.78rem; cursor: pointer; line-height: 1.3; color: var(--ink);
}
.support-msg-react.is-mine-react {
  border-color: var(--gold); background: rgba(46, 196, 182, 0.18);
}
.support-msg-react-btn {
  appearance: none; border: none; background: transparent;
  color: var(--wa-meta); font-size: 0.78rem; cursor: pointer; padding: 0 2px; opacity: 0.65;
}
.support-msg-react-btn:hover { opacity: 1; color: var(--gold-soft); }

.wa-preview {
  display: flex; align-items: center; gap: 10px;
  background: var(--paper); padding: 8px 12px;
  border-top: 1px solid rgba(46, 196, 182, 0.22); position: relative;
}
.wa-preview img { width: 56px; height: 56px; object-fit: cover; border-radius: 10px; }
.wa-preview-video {
  width: 72px; height: 56px; object-fit: cover; border-radius: 10px; background: #061012;
}
.wa-preview-meta {
  font-size: 0.82rem; font-weight: 600; color: var(--ink);
  flex: 1; min-width: 0; word-break: break-word;
}
.wa-preview-clear {
  appearance: none; border: none;
  background: rgba(46, 196, 182, 0.14); color: var(--gold-soft);
  width: 28px; height: 28px; border-radius: 50%; cursor: pointer; font-size: 0.85rem; margin-left: auto;
}
.wa-preview.is-recording {
  background: rgba(255, 107, 107, 0.12); border-top-color: var(--coral);
}
.wa-preview.is-recording .wa-preview-meta { color: var(--coral-soft); }

.wa-compose {
  display: flex; align-items: flex-end; gap: 8px;
  padding: 6px 8px calc(8px + var(--safe-b));
  background: var(--wa-compose); margin-top: 0; flex-shrink: 0;
  border-top: 1px solid rgba(46, 196, 182, 0.22);
}
.wa-attach {
  appearance: none; border: none;
  width: 42px; height: 42px; display: grid; place-items: center;
  border-radius: 50%; color: var(--gold-soft); cursor: pointer;
  flex-shrink: 0; background: transparent;
}
.wa-attach:active { background: rgba(46, 196, 182, 0.14); }
.wa-emoji-btn {
  appearance: none; border: none; background: transparent;
  width: 36px; height: 42px; display: grid; place-items: center;
  font-size: 1.25rem; cursor: pointer; flex-shrink: 0; border-radius: 50%; padding: 0; line-height: 1;
}
.wa-emoji-btn:active,
.wa-emoji-btn[aria-expanded="true"] { background: rgba(46, 196, 182, 0.14); }
.wa-input-wrap {
  flex: 1; min-width: 0;
  background: rgba(0,0,0,0.35); border-radius: 24px; padding: 0 14px;
  border: 1px solid rgba(46, 196, 182, 0.28);
}
#support-text {
  width: 100%; border: none; border-radius: 24px; padding: 11px 0;
  font: 400 0.95rem/1.3 var(--font-body); background: transparent; color: var(--ink); outline: none;
}
.wa-send, .wa-mic {
  appearance: none; border: none;
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(145deg, var(--gold-soft), var(--gold));
  color: #04201c;
  display: grid; place-items: center; cursor: pointer; flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(46, 196, 182, 0.35); padding: 0;
}
.wa-send:active, .wa-mic:active { transform: scale(0.96); }
.wa-mic.is-recording {
  background: linear-gradient(145deg, var(--coral-soft), var(--coral-deep));
  color: #fff;
  animation: wa-pulse 1s ease-in-out infinite;
}
@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 107, 107, 0.45); }
  50% { box-shadow: 0 0 0 10px rgba(255, 107, 107, 0); }
}

.wa-attach-sheet {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px;
  padding: 12px 10px 10px; background: var(--paper);
  border-top: 1px solid rgba(46, 196, 182, 0.22); flex-shrink: 0;
}
.wa-attach-item {
  appearance: none; border: none; background: transparent;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 6px 2px; cursor: pointer;
  font: 600 0.68rem/1.1 var(--font-body); color: var(--ink);
}
.wa-attach-icon {
  width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center; font-size: 1.35rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}
.wa-attach-photo { background: linear-gradient(145deg, #1a3a40, #2ec4b6); }
.wa-attach-video { background: linear-gradient(145deg, #3a2a1a, #ff8a7a); }
.wa-attach-camera { background: linear-gradient(145deg, #1a3a2a, #5eead4); }
.wa-attach-loc { background: linear-gradient(145deg, #1a2a3a, #5b9bd5); }
.wa-attach-doc { background: linear-gradient(145deg, #2a1a3a, #98f5e1); }
.wa-attach-item:active .wa-attach-icon { transform: scale(0.94); }

.wa-emoji-panel {
  display: grid; grid-template-columns: repeat(8, 1fr); gap: 2px;
  padding: 8px 10px; background: var(--paper);
  border-top: 1px solid rgba(46, 196, 182, 0.22);
  max-height: 120px; overflow-y: auto; flex-shrink: 0;
}
.wa-emoji-panel button {
  appearance: none; border: none; background: transparent;
  font-size: 1.35rem; padding: 6px 2px; cursor: pointer; border-radius: 8px; line-height: 1;
}
.wa-emoji-panel button:active { background: rgba(46, 196, 182, 0.14); }

.wa-react-panel {
  position: absolute; z-index: 30; display: flex; gap: 2px;
  padding: 4px 6px; background: var(--paper); border-radius: 999px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
  border: 1px solid rgba(46, 196, 182, 0.35);
}
.wa-react-panel button {
  appearance: none; border: none; background: transparent;
  font-size: 1.25rem; width: 36px; height: 36px; border-radius: 50%;
  cursor: pointer; line-height: 1;
}
.wa-react-panel button:active { background: rgba(46, 196, 182, 0.14); }

@media (min-width: 720px) {
  .support-drawer { place-items: center; padding: 18px; }
  .support-panel.wa-panel {
    height: min(92dvh, 780px);
    max-height: min(92dvh, 780px);
    border-radius: 18px;
    border: 1px solid rgba(46, 196, 182, 0.35);
    overflow: hidden;
  }
  .wa-header { border-radius: 18px 18px 0 0; padding-top: 12px; }
}