:root {
  --bg: #0c1115;
  --panel: #131a20;
  --panel-soft: #1b252d;
  --border: rgba(255, 255, 255, 0.08);
  --text: #eef2f4;
  --muted: #9cabb5;
  --accent: #f6bd4f;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.32);
  --radius: 24px;
  --radius-small: 16px;
  --font-sans: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-mono: "SF Mono", "Roboto Mono", "Menlo", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(246, 189, 79, 0.18), transparent 24%),
    radial-gradient(circle at top right, rgba(89, 70, 48, 0.2), transparent 32%),
    linear-gradient(180deg, #11171c 0%, #090c0f 100%);
  color: var(--text);
  font-family: var(--font-sans);
}

body {
  padding: 22px;
}

code {
  font-family: var(--font-mono);
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  font-size: 1.05rem;
  margin-bottom: 14px;
}

h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.shell {
  width: min(1460px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

.panel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0)),
    var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.8fr);
  gap: 18px;
  align-items: start;
}

.eyebrow {
  margin-bottom: 8px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
}

.lede,
.subtle {
  color: var(--muted);
  line-height: 1.55;
}

.lede {
  margin-top: 14px;
  max-width: 60ch;
}

.hints {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.hints span {
  border: 1px solid rgba(246, 189, 79, 0.22);
  border-radius: 8px;
  background: rgba(246, 189, 79, 0.08);
  color: var(--text);
  padding: 7px 9px;
  font-size: 0.88rem;
}

.summary-strip {
  display: grid;
  gap: 12px;
}

.metric {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 18px;
  padding: 14px 16px;
}

.metric span {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric strong {
  font-size: 1rem;
}

.toolbar {
  display: grid;
  gap: 14px;
}

.toolbar-row {
  display: grid;
  grid-template-columns: minmax(280px, 1.5fr) repeat(3, minmax(0, 180px));
  gap: 14px;
  align-items: end;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  color: var(--muted);
  font-size: 0.92rem;
}

input[type="file"],
select,
button {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font: inherit;
}

button {
  cursor: pointer;
  background:
    linear-gradient(180deg, rgba(246, 189, 79, 0.22), rgba(246, 189, 79, 0.1)),
    rgba(255, 255, 255, 0.05);
}

button.secondary {
  background: rgba(255, 255, 255, 0.05);
}

button:disabled,
input:disabled,
select:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.main-grid {
  display: grid;
  gap: 18px;
  align-items: start;
}

.section-head {
  margin-bottom: 18px;
}

.bank-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 14px;
  max-width: 100%;
}

@media (min-width: 1400px) {
  .bank-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.bank-grid.empty-state {
  min-height: 340px;
  place-items: center;
}

.empty-card {
  max-width: 420px;
  text-align: center;
  border-radius: var(--radius-small);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  padding: 26px;
}

.bank-card {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  padding: 14px;
}

.bank-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.bank-head span {
  color: var(--muted);
  font-size: 0.84rem;
}

.slots {
  display: grid;
  gap: 10px;
}

.slots.duo {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.slots.pro {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.slot {
  position: relative;
  min-height: 140px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  padding: 8px;
}

.slot::before {
  content: attr(data-slot-label);
  position: absolute;
  top: 8px;
  left: 10px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.slot.empty {
  display: grid;
  place-items: center;
}

.slot-empty {
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.86rem;
}

.slot.drag-over {
  border-color: rgba(246, 189, 79, 0.6);
  background: rgba(246, 189, 79, 0.08);
}

.pad-card {
  position: relative;
  height: 100%;
  border-radius: 14px;
  padding: 32px 14px 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, var(--pad-colour) 0%, rgba(22, 28, 34, 0.96) 66%),
    rgba(22, 28, 34, 0.96);
  cursor: grab;
  display: grid;
  place-items: center;
  text-align: center;
}

.pad-icon {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 20px;
  height: 20px;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(0, 0, 0, 0.3);
  border-radius: 6px;
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pad-icon img {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.slot.drag-over.duplicate {
  background: rgba(76, 175, 80, 0.2);
  border-color: rgba(76, 175, 80, 0.5);
}

.pad-card.duplicating {
  opacity: 0.7;
  box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.5);
}

.pad-card.selected {
  box-shadow: 0 0 0 2px rgba(246, 189, 79, 0.5);
}

.pad-name {
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  word-break: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.inspector {
  display: grid;
  gap: 10px;
}

.inspector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.inspector-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.inspector-row span {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05ch;
  font-weight: 600;
}

.inspector-row strong {
  font-weight: 500;
  color: var(--text);
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.inspector-row input,
.inspector-row select {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 8px 12px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.inspector-row input:focus,
.inspector-row select:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 2px rgba(246, 189, 79, 0.2);
}

.inspector-row input:hover,
.inspector-row select:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.inspector-heading {
  margin: 18px 0 12px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05ch;
}

.field-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  align-items: center;
  margin-bottom: 6px;
}

.field-row span {
  color: var(--muted);
  font-size: 0.875rem;
}

.field-row strong {
  font-weight: 500;
  color: var(--text);
  font-family: monospace;
  font-size: 0.875rem;
}

.notes-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
  color: var(--muted);
  line-height: 1.5;
}

@media (max-width: 1120px) {
  .topbar,
  .main-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .toolbar-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  body {
    padding: 12px;
  }

  .panel {
    padding: 16px;
  }

  .slots.duo,
  .slots.pro {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}