:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-soft: #fafafa;
  --line: #e7e8ec;
  --text: #15171c;
  --muted: #6f7683;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Manrope', 'Avenir Next', 'Segoe UI', sans-serif;
}

a { color: inherit; text-decoration: none; }

.app-shell {
  max-width: 1360px;
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand__badge {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #181b22;
  color: #fff;
  font-weight: 800;
  font-size: 20px;
}

.brand__eyebrow {
  margin: 0 0 2px;
  color: #8a909b;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.brand h1 {
  margin: 0;
  font-size: 18px;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.top-nav a {
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.top-nav a.is-active {
  background: #181b22;
  border-color: #181b22;
  color: #fff;
}

.workspace {
  margin-top: 18px;
}

.workspace--preview {
  display: grid;
  grid-template-columns: minmax(320px, 380px) minmax(420px, 620px);
  gap: 18px;
  align-items: start;
  justify-content: start;
}

.workspace--single {
  display: block;
}

.card {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
  padding: 24px;
}

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

.card-head--row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.card-head h2 {
  margin: 0 0 6px;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.05em;
}

.card-head h3 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.card-head p,
.settings-block p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.settings-form {
  display: grid;
  gap: 12px;
}

.form-hint {
  margin: -2px 0 2px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.field {
  display: grid;
  gap: 7px;
}

.field.is-error label {
  color: #b42318;
}

label {
  color: #8a909b;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

input,
select {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-soft);
  color: var(--text);
  font: inherit;
  outline: none;
}

input:focus,
select:focus {
  border-color: #b8bfca;
}

.field.is-error input,
.field.is-error select {
  border-color: rgba(210, 53, 53, 0.55);
  background: #fff7f7;
}

.field-error {
  margin: 0;
  color: #b42318;
  font-size: 12px;
  line-height: 1.45;
}

.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.btn {
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid #181b22;
  background: #181b22;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.btn.ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--line);
}

.preview-stage {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #f2f3f5;
  padding: 12px;
}

.card--preview {
  max-width: 620px;
}

.preview-shell {
  position: relative;
  width: min(100%, 560px);
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
}

.preview-shell.is-empty .safe-zone-guide {
  opacity: 0.35;
}

.preview-frame {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
  border-radius: 18px;
}

.safe-zone-guide {
  position: absolute;
  left: 6.05%;
  top: 9.66%;
  width: 87.91%;
  height: 80.67%;
  border: 1px solid rgba(83, 97, 120, 0.28);
  border-radius: 2px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.22);
  pointer-events: none;
}

.preview-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 32px;
  text-align: center;
  color: var(--muted);
  background: rgba(255,255,255,0.88);
  border-radius: 18px;
}

.preview-placeholder strong {
  color: var(--text);
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.preview-placeholder span {
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.55;
}

.order-list {
  display: grid;
  gap: 10px;
}

.order-row {
  display: grid;
  grid-template-columns: minmax(150px, 190px) minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-soft);
}

.order-row__main,
.order-row__meta {
  display: grid;
  gap: 4px;
}

.order-row__main strong {
  font-size: 16px;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.order-row__main span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.order-row__items {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  color: var(--text);
  font-size: 13px;
  line-height: 1.45;
}

.order-item {
  display: grid;
  gap: 2px;
  min-width: 0;
  padding: 0 18px;
}

.order-item:first-child {
  padding-left: 0;
}

.order-item + .order-item {
  border-left: 1px solid rgba(138, 144, 155, 0.28);
}

.order-item__count {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
}

.order-item__names {
  color: var(--text);
  font-size: 14px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.empty-state {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.settings-stack {
  display: grid;
  gap: 24px;
}

.settings-block {
  display: grid;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.settings-block:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.settings-block h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.kv-list {
  display: grid;
  gap: 12px;
}

.kv-list div {
  display: grid;
  gap: 4px;
}

.kv-list span {
  color: #8a909b;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.kv-list strong {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 920px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .workspace--preview {
    grid-template-columns: 1fr;
  }

  .card-head--row,
  .order-row {
    grid-template-columns: 1fr;
    display: grid;
  }

  .order-row {
    gap: 12px;
  }
}

@media (max-width: 640px) {
  .app-shell {
    padding: 14px;
  }

  .topbar,
  .card {
    border-radius: 22px;
  }

  .top-nav {
    width: 100%;
  }

  .top-nav a {
    flex: 1 1 auto;
  }
}