:root {
  color-scheme: light;
  --ink: #15110d;
  --muted: #746f67;
  --line: #ded7cb;
  --paper: #f4f1ea;
  --panel: #ffffff;
  --accent: #a9552c;
  --accent-dark: #271b14;
  --green: #2b8a5e;
  --amber: #b98218;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

body.modal-open {
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.app {
  display: grid;
  grid-template-columns: minmax(320px, 390px) 1fr;
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 24px;
  border-right: 1px solid var(--line);
  background: #fbfaf7;
}

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

.brand-logo {
  width: 58px;
  height: 58px;
  object-fit: contain;
  border-radius: 6px;
  background: #fff;
}

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

h1 {
  font-size: 19px;
  letter-spacing: 0;
}

.brand p,
.kicker,
.status,
.metrics span {
  color: var(--muted);
  font-size: 12px;
}

.toolbar,
.filters,
.supplier {
  display: grid;
  gap: 10px;
}

.search,
.filters label,
.supplier,
.block-tools label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

input,
select {
  min-width: 0;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
}

#refresh-button,
.load-more,
#reservation-submit,
.reserve-button,
.simulate-button,
#simulator-reset,
#simulator-export {
  height: 42px;
  border-radius: 6px;
  color: #fff;
  background: var(--accent-dark);
  font-weight: 700;
}

#refresh-button:hover,
.load-more:hover,
#reservation-submit:hover,
.reserve-button:hover,
.simulate-button:hover,
#simulator-reset:hover,
#simulator-export:hover {
  background: var(--accent);
}

#reservation-submit:disabled,
#simulator-export:disabled {
  cursor: not-allowed;
  background: #b9b3aa;
}

.load-more {
  margin-top: auto;
}

.product-list {
  display: grid;
  gap: 8px;
  overflow: auto;
  padding-right: 3px;
}

.product-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  align-items: center;
  width: 100%;
  min-height: 70px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-align: left;
  color: var(--ink);
  background: #fff;
}

.product-item.is-active {
  border-color: var(--accent);
  box-shadow: inset 4px 0 0 var(--accent);
}

.product-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #e7e3d8;
}

.product-item img {
  border-radius: 5px;
  aspect-ratio: 1;
}

.product-item strong {
  display: block;
  font-size: 14px;
}

.product-item span {
  color: var(--muted);
  font-size: 12px;
}

.content {
  display: grid;
  align-content: start;
  gap: 18px;
  padding: 24px;
}

.summary,
.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.summary {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 22px;
}

.summary h2 {
  margin-top: 4px;
  font-size: 28px;
  letter-spacing: 0;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(82px, 1fr));
  gap: 10px;
  min-width: 330px;
}

.metrics div {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.metrics strong {
  font-size: 24px;
}

.panel {
  padding: 18px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.block-tools {
  display: flex;
  align-items: end;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.block-tools select {
  min-width: 128px;
}

.block-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 14px;
}

.block-card {
  display: grid;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-align: left;
  background: #fff;
}

.block-card.is-active {
  border-color: var(--accent);
}

.block-card strong,
.block-card span,
.block-card small {
  display: block;
}

.block-card small {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.stone-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid #ece7dd;
  border-radius: 5px;
  background:
    linear-gradient(135deg, #f7f5ee 25%, transparent 25%) 0 0 / 18px 18px,
    linear-gradient(135deg, transparent 75%, #f7f5ee 75%) 0 0 / 18px 18px,
    #fff;
}

.stone-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
  transform: scale(1.04);
  filter: saturate(1.04) contrast(1.03);
}

.block-photo {
  aspect-ratio: 16 / 10;
}

.slab-photo {
  width: 140px;
  aspect-ratio: 3 / 2;
  padding: 0;
  cursor: zoom-in;
}

.slab-photo img {
  object-position: center bottom;
  transform: scale(1.03);
}

.slab-photo-button {
  border: 1px solid #ece7dd;
  background: #fff;
}

.block-card span,
.slab-meta,
.empty-state {
  color: var(--muted);
  font-size: 13px;
}

.slab-table {
  display: grid;
  gap: 8px;
}

.slab-row {
  display: grid;
  grid-template-columns: 140px 120px 1fr 130px 120px 190px;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
}

.slab-row.is-selected {
  border-color: var(--accent);
  background: #fffaf5;
}

.slab-row strong {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
}

.dot.reserved {
  background: var(--amber);
}

.slab-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.reserve-button,
.simulate-button {
  width: 100%;
  padding: 0 10px;
}

.reservation-panel {
  align-self: start;
}

.reservation-list {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.reservation-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
}

.reservation-item span {
  color: var(--muted);
  font-size: 13px;
}

.reservation-item button {
  grid-row: 1 / span 2;
  grid-column: 2;
  height: 34px;
  padding: 0 12px;
  border-radius: 6px;
  color: var(--accent);
  background: #f5eee8;
  font-weight: 700;
}

.reservation-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 10px;
  align-items: end;
}

.reservation-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.reservation-form .message-field {
  grid-column: 1 / span 3;
}

textarea {
  min-width: 0;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  resize: vertical;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

#reservation-submit {
  grid-column: 4;
  grid-row: 1 / span 2;
  height: 100%;
  min-height: 42px;
  padding: 0 18px;
}

.reservation-feedback {
  min-height: 20px;
  margin-top: 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.image-modal[hidden] {
  display: none;
}

.image-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgba(21, 17, 13, 0.74);
}

.image-modal-panel {
  display: grid;
  gap: 14px;
  width: min(1100px, 100%);
  max-height: calc(100vh - 56px);
  padding: 18px;
  border-radius: 8px;
  background: #fbfaf7;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.image-modal-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
}

.image-modal-head p {
  color: var(--muted);
  font-size: 13px;
  text-align: right;
}

.image-preview {
  width: 100%;
  max-height: calc(100vh - 170px);
  aspect-ratio: 16 / 10;
  background: #fff;
}

.image-preview img {
  object-fit: cover;
  object-position: center bottom;
  transform: scale(1.02);
}

.image-modal-close {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 21;
  height: 40px;
  padding: 0 16px;
  border-radius: 6px;
  color: #fff;
  background: var(--accent-dark);
  font-weight: 700;
}

.image-modal-close:hover {
  background: var(--accent);
}

.simulator-modal[hidden] {
  display: none;
}

.simulator-modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 22px;
  background: rgba(21, 17, 13, 0.78);
}

.simulator-panel {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 16px;
  width: min(1320px, 100%);
  max-height: calc(100vh - 44px);
  padding: 18px;
  border-radius: 8px;
  background: #fbfaf7;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

.simulator-head,
.simulator-body {
  display: grid;
  gap: 14px;
}

.simulator-head {
  grid-template-columns: 1fr auto;
  align-items: end;
}

.simulator-head p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

.file-button {
  position: relative;
  display: inline-grid;
  place-items: center;
  min-width: 170px;
  height: 42px;
  border-radius: 6px;
  color: #fff;
  background: var(--accent-dark);
  font-weight: 700;
  overflow: hidden;
  cursor: pointer;
}

.file-button:hover {
  background: var(--accent);
}

.file-button input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.simulator-body {
  grid-template-columns: 240px 1fr;
  min-height: 0;
}

.simulator-tools {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.simulator-tools span,
.simulator-tools label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.simulator-tools input[type="range"] {
  height: 28px;
  padding: 0;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.segmented button {
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: #fbfaf7;
  font-weight: 700;
}

.segmented button.is-active {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent-dark);
}

.simulator-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 560px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, #ece7dd 25%, transparent 25%) 0 0 / 20px 20px,
    linear-gradient(135deg, transparent 75%, #ece7dd 75%) 0 0 / 20px 20px,
    #f7f5ee;
}

#simulator-bg,
#simulator-texture,
.simulator-handles {
  grid-area: 1 / 1;
}

#simulator-bg,
#simulator-texture {
  display: block;
  max-width: 100%;
}

#simulator-texture {
  pointer-events: none;
}

.simulator-handles {
  position: relative;
  pointer-events: none;
}

.sim-handle {
  position: absolute;
  width: 24px;
  height: 24px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.28);
  transform: translate(-50%, -50%);
  pointer-events: auto;
  cursor: grab;
  touch-action: none;
}

.sim-handle:active {
  cursor: grabbing;
}

.simulator-empty {
  grid-area: 1 / 1;
  padding: 14px 18px;
  border-radius: 6px;
  color: var(--muted);
  background: #fff;
  font-size: 14px;
}

@media (max-width: 980px) {
  .app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .summary {
    display: grid;
  }

  .metrics {
    min-width: 0;
  }

  .slab-row {
    grid-template-columns: 1fr;
  }

  .slab-photo {
    width: 100%;
  }

  .block-tools {
    justify-content: stretch;
  }

  .block-tools label,
  .block-tools select {
    width: 100%;
  }

  .reservation-form,
  .reservation-item {
    grid-template-columns: 1fr;
  }

  .reservation-form .message-field,
  #reservation-submit,
  .reservation-item button {
    grid-column: 1;
    grid-row: auto;
  }

  .slab-actions {
    grid-template-columns: 1fr;
  }

  .simulator-modal {
    padding: 12px;
  }

  .simulator-panel {
    max-height: calc(100vh - 24px);
    padding: 12px;
  }

  .simulator-head,
  .simulator-body {
    grid-template-columns: 1fr;
  }

  .simulator-stage {
    min-height: 360px;
  }

  .image-modal {
    padding: 16px;
  }

  .image-modal-panel {
    max-height: calc(100vh - 32px);
    padding: 12px;
  }

  .image-modal-head {
    display: grid;
  }

  .image-modal-head p {
    text-align: left;
  }

  .image-preview {
    max-height: calc(100vh - 210px);
    aspect-ratio: 4 / 3;
  }
}