:root {
  --bg: #f7f7f4;
  --surface: #ffffff;
  --surface-soft: #f1f2ee;
  --ink: #151515;
  --muted: #73736d;
  --line: #deded8;
  --line-strong: #c8c8bf;
  --accent: #1f6f5b;
  --danger: #a04444;
  --shadow: 0 18px 50px rgba(30, 30, 25, 0.08);
  font-family: Optima, Candara, 'Avenir Next', Avenir, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(1440px, calc(100% - 40px));
  margin: 0 auto;
  padding: 32px 0;
}

.hero {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2rem, 4vw, 4.6rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.065em;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.save-pill {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 13px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.84rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(300px, 0.78fr) minmax(620px, 1.52fr);
  gap: 18px;
  align-items: stretch;
}

.packing-panel,
.suitcase-panel {
  min-height: 720px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
}

.packing-panel,
.suitcase-panel {
  padding: 20px;
}

.packing-panel {
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.panel-header h2 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.ghost-button,
.text-button,
.side-title button,
.add-item-form button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 650;
}

.ghost-button {
  padding: 9px 13px;
}

.ghost-button:hover,
.text-button:hover,
.side-title button:hover,
.add-item-form button:hover {
  border-color: var(--line-strong);
  background: var(--surface-soft);
}

.text-button {
  width: 100%;
  margin: 10px 0 14px;
  padding: 11px;
}

.hint {
  margin: -2px 2px 14px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.4;
}

.add-item-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.add-item-form input,
.add-item-form select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 13px;
  background: var(--surface);
  color: var(--ink);
  outline: none;
}

.add-item-form input:focus,
.add-item-form select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 111, 91, 0.12);
}

.add-item-form button {
  padding: 12px;
  background: var(--ink);
  color: var(--surface);
}

.add-item-form button:hover {
  background: #2c2c29;
  color: var(--surface);
}

.category-list {
  display: grid;
  gap: 10px;
  max-height: 480px;
  overflow: auto;
  padding-right: 4px;
}

.category-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 13px;
  background: var(--surface);
}

.category-card h3 {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.item-stack {
  display: grid;
  gap: 8px;
}

.packing-item,
.packed-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.92rem;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    transform 160ms ease;
}

.packing-item {
  padding: 10px 10px 10px 12px;
}

.packing-item:hover,
.packed-item:hover {
  border-color: var(--line-strong);
  background: #fbfbf8;
}

.packing-item:active,
.packed-item:active {
  transform: scale(0.99);
}

.packing-item-selected {
  border-color: var(--accent);
  background: #eef7f3;
  box-shadow: 0 0 0 3px rgba(31, 111, 91, 0.12);
}

.packing-item button,
.zone-delete,
.packed-item button {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
}

.packing-item button:hover,
.zone-delete:hover,
.packed-item button:hover {
  background: var(--surface-soft);
  color: var(--ink);
}

.empty-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.suitcase {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 12px minmax(0, 1fr);
  min-height: 620px;
  border: 1px solid var(--line-strong);
  border-radius: 32px;
  padding: 20px;
  background: #e8e9e4;
}

.suitcase::before,
.suitcase::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 8px;
  height: 92px;
  border-radius: 999px;
  background: #c7c8c0;
  transform: translateY(-50%);
}

.suitcase::before {
  left: 7px;
}

.suitcase::after {
  right: 7px;
}

.hinge {
  border-radius: 999px;
  background: linear-gradient(180deg, #b8b9b1, #d9dad4, #b8b9b1);
}

.suitcase-side {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 16px;
  background: var(--surface);
}

.suitcase-side-left {
  border-top-right-radius: 14px;
  border-bottom-right-radius: 14px;
}

.suitcase-side-right {
  border-top-left-radius: 14px;
  border-bottom-left-radius: 14px;
}

.side-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.side-actions {
  display: flex;
  gap: 6px;
}

.side-title button {
  padding: 7px 10px;
  text-transform: none;
  letter-spacing: 0;
}

.layout-hint {
  margin: -6px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.35;
}

.zone-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: minmax(92px, auto);
  gap: 12px;
  align-content: start;
}

.packing-zone {
  display: flex;
  flex-direction: column;
  min-height: 160px;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 12px;
  background: #fafaf7;
}

.zone-width-full {
  grid-column: span 2;
}

.zone-width-half {
  grid-column: span 1;
}

.zone-height-short {
  min-height: 118px;
}

.zone-height-normal {
  min-height: 170px;
}

.zone-height-tall {
  min-height: 250px;
}

.zone-mist,
.zone-sand,
.zone-sky,
.zone-sage,
.zone-lime,
.zone-clay,
.zone-coral,
.zone-steel,
.zone-violet,
.zone-berry {
  background: #fafaf7;
}

.zone-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.zone-name {
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 650;
  text-align: left;
}

.zone-name span {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.layout-controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 7px;
  margin: 0 0 10px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.segmented-control,
.order-control {
  display: flex;
  gap: 4px;
}

.segmented-control button,
.order-control button {
  flex: 1;
  min-height: 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fbfbf8;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 650;
}

.segmented-control button.active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.order-control button:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.zone-items {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 8px;
  flex: 1;
  border-radius: 12px;
}

.zone-items p {
  margin: auto;
  color: var(--muted);
  font-size: 0.82rem;
}

.packed-item {
  min-height: 34px;
  padding: 7px 7px 7px 10px;
}

.packed-item button {
  width: 26px;
  height: 26px;
}

.packed-chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px;
  background: var(--surface);
  font-size: 0.82rem;
  font-weight: 650;
}

@media (max-width: 1060px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .packing-panel,
  .suitcase-panel {
    min-height: auto;
  }

  .category-list {
    max-height: none;
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100% - 18px, 1440px);
    padding: 16px 0;
  }

  .hero {
    align-items: start;
    flex-direction: column;
  }

  .suitcase-panel,
  .packing-panel {
    padding: 14px;
    border-radius: 20px;
  }

  .suitcase {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 14px;
  }

  .hinge {
    display: none;
  }

  .zone-grid {
    grid-template-columns: 1fr;
  }

  .zone-width-full,
  .zone-width-half {
    grid-column: span 1;
  }
}