:root {
  --bg:        #09090B;
  --surface:   #111115;
  --card:      #18181B;
  --border:    #27272A;
  --border2:   #3F3F46;
  --ink:       #F4F4F5;
  --ink2:      #A1A1AA;
  --muted:     #71717A;
  --faint:     #3F3F46;
  --cyan:      #22D3EE;
  --cyan-dim:  rgba(34,211,238,0.08);
  --cyan-glow: rgba(34,211,238,0.15);
  --orange:    #F97316;
  --orange-dim:rgba(249,115,22,0.10);
  --red:       #EF4444;
  --green:     #22C55E;
  --yellow:    #EAB308;
  --radius:    8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'IBM Plex Sans', sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* dot-grid background */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(circle, #2D2D35 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.5;
}

/* ambient glow top */
body::after {
  content: '';
  position: fixed; top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 400px; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse, rgba(34,211,238,0.07) 0%, transparent 70%);
}

.layer { position: relative; z-index: 1; }

/* ── Topbar ── */
.topbar {
  background: rgba(9,9,11,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 44px;
  position: sticky; top: 0; z-index: 100;
}
.topbar-brand {
  display: flex; align-items: center; gap: 0.6rem;
}
.topbar-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }
.topbar-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink2);
}
.topbar-ver {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem; color: var(--faint);
  letter-spacing: 0.06em;
}

/* ── Hero ── */
.hero {
  max-width: 820px; margin: 0 auto;
  padding: 5rem 2rem 3.5rem;
  border-bottom: 1px solid var(--border);
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--cyan-dim);
  border: 1px solid rgba(34,211,238,0.2);
  border-radius: 99px;
  padding: 0.3rem 0.85rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.5rem;
}
.hero-badge-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); }
.hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 1.25rem;
}
.hero h1 .accent { color: var(--cyan); }
.hero h1 .dim { color: var(--muted); font-weight: 400; }
.hero-sub {
  font-size: 0.95rem; font-weight: 300;
  color: var(--muted); max-width: 460px;
  line-height: 1.7;
}

/* ── Container ── */
.container { max-width: 820px; margin: 0 auto; padding: 2.5rem 2rem 6rem; }

/* ── Step cards ── */
.step-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 1rem;
  position: relative;
  transition: border-color 0.2s;
}
.step-card:hover { border-color: var(--border2); }

/* left accent bar */
.step-card::before {
  content: '';
  position: absolute; left: 0; top: 20%; bottom: 20%;
  width: 2px; border-radius: 0 2px 2px 0;
  background: var(--cyan);
  opacity: 0;
  transition: opacity 0.25s;
}
.step-card:hover::before { opacity: 0.5; }

.step-header {
  display: flex; align-items: flex-start; gap: 1.25rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2rem; font-weight: 600;
  color: var(--cyan); line-height: 1;
  min-width: 2.8rem;
  text-shadow: 0 0 20px rgba(34,211,238,0.3);
}
.step-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 0.35rem;
}
.step-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem; font-weight: 700;
  color: var(--ink); line-height: 1.2;
}

/* ── Tabs ── */
.tabs {
  display: flex; gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
.tab-btn {
  background: none; border: none;
  border-bottom: 2px solid transparent;
  padding: 0.5rem 1rem; margin-bottom: -1px;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.82rem; font-weight: 500;
  color: var(--muted); cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.tab-btn:hover { color: var(--ink); }
.tab-btn.active { color: var(--cyan); border-bottom-color: var(--cyan); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── Drop zone ── */
.drop-zone {
  border: 1.5px dashed var(--border2);
  border-radius: var(--radius);
  padding: 2.5rem 1.5rem;
  text-align: center; cursor: pointer;
  background: var(--surface);
  position: relative;
  transition: border-color 0.2s, background 0.2s;
}
.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--cyan);
  background: var(--cyan-dim);
}
.drop-zone input[type="file"] {
  position: absolute; inset: 0;
  opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
.dz-icon {
  font-size: 1.75rem; margin-bottom: 0.75rem;
  filter: grayscale(0.3);
}
.dz-title { font-size: 0.88rem; font-weight: 600; color: var(--ink); margin-bottom: 0.3rem; }
.dz-sub { font-size: 0.76rem; color: var(--muted); }
.upload-ok {
  display: none; margin-top: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.76rem; color: var(--green);
}

/* ── Form grid ── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem 1.25rem; }
.fg { display: flex; flex-direction: column; gap: 0.4rem; }
.fg label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted);
}
.fg input, .fg select {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.88rem; color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 0.6rem 0.9rem;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}
.fg input:focus, .fg select:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-glow);
}
.fg input::placeholder { color: var(--faint); }
.fg select option { background: var(--card); color: var(--ink); }

/* ── Buttons ── */
.btn {
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 600; font-size: 0.85rem;
  letter-spacing: 0.02em;
  border: none; border-radius: var(--radius);
  padding: 0.62rem 1.4rem;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s, box-shadow 0.15s;
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.btn:hover { opacity: 0.85; transform: translateY(-1px); }
.btn:active { transform: translateY(0); opacity: 1; }

.btn-primary {
  background: var(--cyan); color: #09090B;
}
.btn-primary:hover { box-shadow: 0 0 20px rgba(34,211,238,0.3); opacity: 1; }

.btn-ghost {
  background: transparent; color: var(--muted);
  border: 1px solid var(--border2);
}
.btn-ghost:hover { color: var(--ink); border-color: var(--border2); opacity: 1; transform: none; }

.btn-icon {
  background: transparent; border: 1px solid var(--border2);
  color: var(--muted); padding: 0.3rem 0.5rem;
  font-size: 0.75rem; border-radius: 6px;
  cursor: pointer; transition: all 0.15s;
  display: inline-flex; align-items: center;
}
.btn-icon:hover { color: var(--ink); border-color: var(--border2); background: var(--surface); }
.btn-icon.danger:hover { color: var(--red); border-color: rgba(239,68,68,0.4); }
.btn-icon.view:hover   { color: var(--cyan); border-color: rgba(34,211,238,0.3); }

.btn-generate {
  background: var(--orange); color: #fff;
  font-size: 0.95rem; padding: 0.8rem 2rem; width: 100%;
  justify-content: center;
  box-shadow: 0 0 0 rgba(249,115,22,0);
  transition: box-shadow 0.2s, transform 0.1s, opacity 0.15s;
}
.btn-generate:hover { box-shadow: 0 0 30px rgba(249,115,22,0.35); opacity: 1; }
.btn-generate:disabled { background: var(--faint); cursor: not-allowed; box-shadow: none; transform: none; }

.btn-download {
  background: var(--surface); color: var(--cyan);
  border: 1px solid rgba(34,211,238,0.3);
  font-size: 0.95rem; padding: 0.8rem; width: 100%;
  justify-content: center; margin-top: 0.75rem;
  display: flex;
}
.btn-download:hover {
  background: var(--cyan-dim);
  box-shadow: 0 0 20px rgba(34,211,238,0.15);
  opacity: 1; transform: none;
}

.btn-sm {
  padding: 0.42rem 0.9rem; font-size: 0.78rem;
}

.add-row { display: flex; gap: 0.75rem; align-items: center; margin-top: 1.25rem; flex-wrap: wrap; }

/* ── List info ── */
.list-info {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.7rem 1rem; margin-top: 1rem;
}
.list-info span { font-size: 0.82rem; color: var(--ink2); }
.list-info strong {
  font-family: 'JetBrains Mono', monospace;
  color: var(--cyan);
}

/* ── Metrics ── */
.metrics-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 0.75rem; margin-bottom: 1rem; }
.metric-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem 1.25rem;
}
.metric-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem; font-weight: 500; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 0.5rem;
}
.metric-value {
  font-family: 'Syne', sans-serif;
  font-size: 2rem; font-weight: 700; color: var(--ink); line-height: 1;
}

/* ── Section label ── */
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem; font-weight: 500;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 0.75rem;
}

/* ── Preview table ── */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
table { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
th {
  background: var(--surface);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); padding: 0.65rem 0.9rem;
  text-align: left; border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td {
  padding: 0.55rem 0.9rem; border-bottom: 1px solid var(--border);
  color: var(--ink2); max-width: 180px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface); color: var(--ink); }

/* ── Checkbox styling ── */
.cb-cell { width: 36px; text-align: center; }
input[type="checkbox"] {
  appearance: none;
  width: 15px; height: 15px;
  border: 1.5px solid var(--border2);
  border-radius: 4px;
  background: var(--surface);
  cursor: pointer;
  position: relative;
  transition: border-color 0.15s, background 0.15s;
  vertical-align: middle;
}
input[type="checkbox"]:checked {
  background: var(--cyan);
  border-color: var(--cyan);
}
input[type="checkbox"]:checked::after {
  content: '';
  position: absolute; left: 4px; top: 1px;
  width: 5px; height: 9px;
  border: 2px solid #09090B;
  border-top: none; border-left: none;
  transform: rotate(45deg);
}
input[type="checkbox"]:hover { border-color: var(--cyan); }

/* ── Warning badge / banner ── */
.warn-badge {
  display: inline-flex; align-items: center; gap: 0.25rem;
  background: rgba(234,179,8,0.1);
  border: 1px solid rgba(234,179,8,0.3);
  border-radius: 99px;
  padding: 0.15rem 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; color: var(--yellow);
}
.warn-banner {
  background: rgba(234,179,8,0.07);
  border: 1px solid rgba(234,179,8,0.25);
  border-radius: var(--radius);
  padding: 0.65rem 1rem;
  font-size: 0.82rem; color: var(--yellow);
  margin-bottom: 0.75rem;
  display: none;
}

/* ── Select count bar ── */
.select-bar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 0.6rem;
  flex-wrap: wrap; gap: 0.5rem;
}
.select-count {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; color: var(--muted);
}
.select-count strong { color: var(--cyan); }

/* ── Position grid ── */
.pos-grid-wrap {
  margin: 1rem 0;
}
.pos-grid-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 0.6rem;
}
.pos-grid {
  display: grid;
  grid-template-columns: repeat(2, 80px);
  gap: 6px;
}
.pos-cell {
  height: 44px;
  background: var(--surface);
  border: 1.5px solid var(--border2);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}
.pos-cell:hover { border-color: var(--cyan); color: var(--cyan); }
.pos-cell.selected {
  background: var(--cyan-dim);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 8px rgba(34,211,238,0.15);
}
.pos-cell.used {
  background: rgba(63,63,70,0.3);
  border-color: var(--border);
  color: var(--faint);
  cursor: default;
  opacity: 0.5;
}

/* ── Config panel ── */
.cfg-toggle-header {
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer; user-select: none;
  padding-bottom: 0;
}
.cfg-toggle-header .step-header { margin-bottom: 0; border-bottom: none; padding-bottom: 0; flex: 1; }
.cfg-chevron {
  font-size: 0.8rem; color: var(--muted);
  transition: transform 0.2s;
  margin-left: 0.5rem;
}
.cfg-body { display: none; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
.cfg-body.open { display: block; }

.preset-row { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 1rem; }
.preset-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem; font-weight: 500;
  letter-spacing: 0.06em;
  background: var(--surface);
  border: 1.5px solid var(--border2);
  color: var(--muted);
  border-radius: 6px;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.preset-btn:hover { color: var(--ink); border-color: var(--cyan); }
.preset-btn.active { background: var(--cyan-dim); border-color: var(--cyan); color: var(--cyan); }

.cfg-section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.58rem; font-weight: 500;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 0.5rem;
}
.cfg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem 1.25rem; margin-bottom: 1rem; }
.cfg-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.7rem 1rem; margin-bottom: 1rem; }

.toggle-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.toggle-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted);
}
.toggle-switch { position: relative; width: 34px; height: 18px; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-track {
  position: absolute; inset: 0;
  background: var(--border2); border-radius: 99px; cursor: pointer;
  transition: background 0.2s;
}
.toggle-track::after {
  content: ''; position: absolute;
  left: 3px; top: 3px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--muted);
  transition: transform 0.2s, background 0.2s;
}
.toggle-switch input:checked + .toggle-track { background: var(--cyan-dim); border: 1px solid var(--cyan); }
.toggle-switch input:checked + .toggle-track::after { transform: translateX(16px); background: var(--cyan); }

.cfg-page-preview {
  display: flex; justify-content: center; margin-top: 1rem;
}
.cfg-page-preview svg { display: block; }

.cfg-error {
  background: rgba(239,68,68,0.07);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--radius);
  padding: 0.55rem 0.9rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; color: var(--red);
  margin-top: 0.75rem;
  display: none;
}

/* ── Profile bar ── */
.profile-bar {
  display: flex; align-items: center; gap: 0.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.profile-bar select {
  flex: 1; min-width: 140px;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.82rem; color: var(--ink);
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: 6px;
  padding: 0.42rem 0.75rem;
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s;
}
.profile-bar select:focus { border-color: var(--cyan); }
.profile-bar select option { background: var(--card); }
.profile-bar-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
  white-space: nowrap;
}

/* ── Stats bar ── */
.stats-bar {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  margin-top: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; color: var(--muted);
  text-align: center;
}
.stats-bar strong { color: var(--cyan); }

/* ── Success box ── */
.success-box {
  background: rgba(34,197,94,0.06);
  border: 1px solid rgba(34,197,94,0.25);
  border-radius: var(--radius);
  padding: 1.5rem; text-align: center; margin: 0.75rem 0;
}
.success-icon { font-size: 1.5rem; margin-bottom: 0.5rem; }
.success-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem; font-weight: 700; color: var(--green); margin-bottom: 0.4rem;
}
.success-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.76rem; color: rgba(34,197,94,0.6);
}

/* ── Empty state ── */
.empty-state {
  background: var(--surface); border: 1px dashed var(--border2);
  border-radius: var(--radius); padding: 1.25rem; text-align: center;
  font-size: 0.83rem; color: var(--faint);
  font-family: 'JetBrains Mono', monospace;
}

/* ── Loading overlay ── */
#loading-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(9,9,11,0.85); backdrop-filter: blur(6px);
  z-index: 1000; align-items: center; justify-content: center;
}
#loading-overlay.show { display: flex; }
.loading-box {
  background: var(--card); border: 1px solid var(--border2);
  border-radius: 12px; padding: 2rem 2.5rem;
  text-align: center; min-width: 280px;
  box-shadow: 0 0 40px rgba(34,211,238,0.1);
}
.spinner {
  width: 36px; height: 36px;
  border: 2px solid var(--border2);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 1.25rem;
  box-shadow: 0 0 12px rgba(34,211,238,0.2);
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem; font-weight: 700; color: var(--ink); margin-bottom: 0.3rem;
}
.loading-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; color: var(--muted);
}
.progress-track {
  margin-top: 1.25rem; height: 2px;
  background: var(--border); border-radius: 99px; overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), rgba(34,211,238,0.5));
  border-radius: 99px; transition: width 0.3s ease; width: 0%;
  box-shadow: 0 0 8px var(--cyan);
}

/* ── Toast ── */
#toast {
  position: fixed; bottom: 2rem; left: 50%;
  transform: translateX(-50%) translateY(2rem);
  background: var(--card); color: var(--ink);
  border: 1px solid var(--border2);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.76rem; font-weight: 500;
  padding: 0.65rem 1.25rem; border-radius: 99px;
  opacity: 0; transition: opacity 0.25s, transform 0.25s;
  pointer-events: none; white-space: nowrap; z-index: 9999;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.err { border-color: rgba(239,68,68,0.4); color: var(--red); }
#toast.ok  { border-color: rgba(34,211,238,0.3); color: var(--cyan); }

/* ── Modal overlay ── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(9,9,11,0.88); backdrop-filter: blur(6px);
  z-index: 2000; align-items: center; justify-content: center;
  padding: 1rem;
}
.modal-overlay.show { display: flex; }
.modal-box {
  background: var(--card); border: 1px solid var(--border2);
  border-radius: 12px; padding: 2rem;
  width: 100%; max-width: 520px;
  box-shadow: 0 0 50px rgba(34,211,238,0.08);
  position: relative;
  max-height: 90vh; overflow-y: auto;
}
.modal-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem; font-weight: 700; color: var(--ink);
  margin-bottom: 1.5rem;
}
.modal-close {
  position: absolute; top: 1rem; right: 1rem;
  background: none; border: none; color: var(--muted);
  font-size: 1.2rem; cursor: pointer; line-height: 1;
  padding: 0.2rem 0.4rem; border-radius: 4px;
  transition: color 0.15s;
}
.modal-close:hover { color: var(--ink); }
.modal-actions {
  display: flex; gap: 0.75rem; margin-top: 1.5rem; justify-content: flex-end;
}

/* ── Label preview in modal ── */
.label-preview-wrap {
  background: #fff;
  border-radius: 6px;
  padding: 16px;
  color: #000;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 11px;
  min-height: 200px;
  position: relative;
  border: 1px solid #aaa;
}
.lp-badge {
  display: inline-block;
  background: #2C6FAC;
  color: #fff;
  font-size: 8px;
  font-weight: bold;
  padding: 2px 6px;
  border-radius: 3px;
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}
.lp-name { font-weight: bold; font-size: 12px; margin-bottom: 3px; }
.lp-addr { font-size: 10px; color: #333; margin-bottom: 2px; line-height: 1.4; }
.lp-cep  { font-weight: bold; font-size: 11px; margin-top: 3px; }
.lp-divider { border: none; border-top: 1px solid #ccc; margin: 10px 0; }
.lp-qr-bc {
  display: flex; align-items: flex-end; gap: 12px;
  margin-top: 6px;
}
.lp-footer {
  font-size: 7px; color: #555; text-align: center;
  margin-top: 8px; font-weight: bold;
}
.lp-bottom-row {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-top: 4px;
}

/* ── Footer ── */
.footer {
  text-align: center; padding: 2rem 0 1rem;
  border-top: 1px solid var(--border);
  max-width: 820px; margin: 0 auto;
}
.footer span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--faint);
}

.hidden { display: none !important; }
@media (max-width: 600px) {
  .form-grid, .metrics-row { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.6rem; }
  .container { padding: 2rem 1.25rem 5rem; }
  .pos-grid { grid-template-columns: repeat(2, 70px); }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   INVENTORY MODULE STYLES
   ═══════════════════════════════════════════════════════════════════════════════ */

/* Status badges */
.status-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.status-ativo        { background: rgba(34,197,94,.15);  color: #22c55e; }
.status-manutencao   { background: rgba(249,115,22,.15); color: #f97316; }
.status-baixado      { background: rgba(239,68,68,.15);  color: #ef4444; }

/* Asset ID in table */
.inv-id {
  font-family: 'JetBrains Mono', monospace;
  color: var(--cyan);
  font-size: 0.78rem;
  white-space: nowrap;
}

/* Color swatches for header color picker */
.color-swatches {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color .15s, transform .1s;
}
.color-swatch:hover  { transform: scale(1.1); }
.color-swatch.active { border-color: var(--cyan); }

/* Optional fields toggle */
.optional-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--muted);
  font-size: 0.78rem;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: .5px;
  padding: 6px 0;
  user-select: none;
}
.optional-toggle:hover { color: var(--cyan); }
.optional-chevron { transition: transform .2s; }
.optional-chevron.open { transform: rotate(180deg); }
.optional-fields { display: none; }
.optional-fields.open { display: grid; }

/* Back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color .15s, background .15s;
}
.back-link:hover { color: var(--cyan); background: rgba(34,211,238,.07); }