:root {
  --panel: #fffdf8;
  --line: #ded6c9;
  --ink: #241f18;
  --muted: #746a5f;
  --accent: #9b7b54;
  --shadow: 0 10px 28px rgba(44, 31, 18, 0.055);
  --font-ui: "Futura", "Futura PT", "Avenir Next", "Century Gothic", "Poppins", "Segoe UI", sans-serif;
  --font-display: "Futura", "Futura PT", "Avenir Next Condensed", "Avenir Next", "Century Gothic", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-ui);
  background:
    radial-gradient(circle at top left, rgba(188, 168, 137, 0.18), transparent 30%),
    linear-gradient(180deg, #f7f2ea 0%, #f0e8dc 100%);
  color: var(--ink);
}

.page-shell {
  display: grid;
  grid-template-columns: 360px 1fr;
  min-height: 100vh;
}

.sidebar {
  padding: 24px;
  border-right: 1px solid rgba(120, 103, 83, 0.18);
  background: rgba(255, 252, 246, 0.92);
  backdrop-filter: blur(12px);
  overflow-y: auto;
}

.workspace {
  padding: 24px;
}

.brand-block {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;

  overflow: visible;

  padding-top: 6px;
  margin-bottom: 12px;
}

.sidebar .brand-block .brand-logo {
  display: block;

  width: 190px;
  max-width: 100%;
  height: auto;
  max-height: 72px;

  margin: 0 auto 8px;

  object-fit: contain;
  object-position: center;
}

.brand-block h1,
.panel h2,
.card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel h2,
.card h3 {
  font-size: 20px;
  line-height: 1.1;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.brand-copy,
.meta-line,
#zoneStatus,
#jointStatus,
.panel-head span {
  color: var(--muted);
}

.brand-copy {
  text-align: center;
}

.panel,
.card {
  background: var(--panel);
  border: 1px solid rgba(134, 114, 91, 0.16);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.panel {
  padding: 13px;
  margin-top: 14px;
}

.is-hidden-panel {
  display: none;
}

.active-ref-panel {
  margin-top: 0;
}

.panel-head,
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.preview-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

.zoom-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.zoom-controls button {
  min-width: 42px;
  padding: 8px 10px;
  border-radius: 10px;
  line-height: 1;
}

.field-label {
  display: block;
  margin: 10px 0 6px;
  font-size: 12px;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}

select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-family: var(--font-ui);
}

.joint-grid,
.zone-list {
  display: grid;
  gap: 8px;
}

.joint-btn,
.zone-pill {
  width: 100%;
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: center;
  padding: 9px 11px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  text-align: left;
}

.joint-btn.active,
.zone-pill.active {
  border-color: #111;
  box-shadow: inset 0 0 0 1px #111;
}

.zone-swatch {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.joint-text,
.zone-text {
  display: grid;
  gap: 2px;
}

.joint-title,
.zone-title {
  font-size: 12px;
  font-family: var(--font-display);
  font-weight: 500;
  color: #2f261d;
  letter-spacing: 0.03em;
}

.joint-subtitle,
.zone-color-name {
  font-size: 10px;
  letter-spacing: 0.01em;
  color: #7b6f62;
}

.selection-chip {
  padding: 10px 14px;
  border-radius: 999px;
  background: #efe6d8;
  color: #6b5335;
  white-space: normal;
  font-family: var(--font-ui);
}

.sidebar-selection-chip {
  margin-top: 12px;
  font-size: 13px;
}

.button-row {
  display: grid;
  gap: 10px;
}

button {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #fff, #f7f1e7);
  color: var(--ink);
  cursor: pointer;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.palette-top-card {
  padding: 12px 14px;
  margin-bottom: 14px;
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 6px;
}

.palette-btn {
  display: grid;
  grid-template-rows: 28px auto;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(180deg, #fffdf9, #f7f0e5);
  cursor: pointer;
  text-align: left;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.palette-btn:hover {
  transform: translateY(-1px);
  border-color: #bea27e;
  box-shadow: 0 10px 20px rgba(81, 57, 26, 0.1);
}

.palette-btn.active {
  border-color: #8d6b43;
box-shadow: inset 0 0 0 1px #8d6b43;
}

.palette-chip {
  width: 100%;
  height: 28px;
  border-radius: 6px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.palette-name {
  display: block;
  font-size: 9px;
  font-weight: 600;
  line-height: 1.15;
  color: #2f261d;
}

.preview-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.card {
  padding: 18px;
}

.single-preview {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 680px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(247, 242, 233, 0.9));
  overflow: auto;
}

.tile-stage {
  display: grid;
  place-items: center;
  width: min(78vw, 720px);
  min-height: min(78vw, 720px);
  padding: 22px;
  border-radius: 18px;
  background: transparent;
  box-shadow: inset 0 0 0 1px rgba(83, 69, 53, 0.08);
}

.tile-stage[data-orientation="landscape"] {
  width: min(90vw, 980px);
  min-height: min(62vw, 560px);
}

.tile-stage[data-orientation="portrait"] {
  width: min(78vw, 720px);
  min-height: min(78vw, 720px);
}

.tile-stage svg,
.single-preview svg {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  transform-origin: center center;
}

.zone-badges {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.zone-badge {
  position: absolute;
  transform: translate(-50%, -50%);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(58, 45, 31, 0.14);
  background: rgba(255, 252, 246, 0.92);
  box-shadow: 0 10px 24px rgba(38, 28, 18, 0.08);
  font-size: 11px;
  line-height: 1.1;
  color: #3f3429;
  white-space: nowrap;
}

.zone-badge strong {
  display: block;
  font-size: 10px;
  letter-spacing: 0.04em;
  color: #8d6b43;
}

.zone-badge.active {
  border-color: #8d6b43;
  box-shadow: 0 12px 28px rgba(141, 107, 67, 0.2);
}

.full-preview-card {
  min-height: calc(100vh - 140px);
}

.is-selected-zone {
  opacity: 0.9;
}

.product-svg [data-zone]:hover {
  cursor: pointer;
  opacity: 0.85;
}

.palette-popup {
  position: absolute;
  z-index: 20;
  width: min(320px, calc(100% - 24px));
  max-height: min(70vh, 420px);
  overflow: auto;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(141, 107, 67, 0.22);
  background: rgba(255, 252, 246, 0.98);
  box-shadow: 0 24px 50px rgba(43, 30, 17, 0.16);
}

.palette-popup.is-hidden {
  display: none;
}

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

.palette-popup-close {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 999px;
  font-size: 20px;
  line-height: 1;
}

.palette-popup-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.palette-popup-btn {
  display: grid;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  text-align: left;
}

.palette-popup-btn .palette-chip {
  height: 46px;
}

.palette-popup-btn .palette-name {
  font-size: 12px;
}

@media (max-width: 900px) {

  .page-shell {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 8px;
  }

  .sidebar,
  .workspace {
    display: contents;
  }

  .brand-block {
    order: 1;
  }

  .active-ref-panel {
    order: 2;
  }

  .sidebar .panel:has(#categorySelect) {
    order: 3;
  }

  .sidebar .panel:has(#zoneList) {
    order: 4;
  }

  .preview-layout {
    order: 5;
  }

  .palette-top-card {
    order: 6;
  }

  #jointPanel {
    order: 7;
  }

  .controls-panel {
    order: 8;
  }

  .card,
  .panel {
    margin-top: 0;
    padding: 10px;
    border-radius: 16px;
  }

  .brand-copy {
    display: none;
  }

  .sidebar .brand-block .brand-logo {
    width: 170px !important;
    max-width: 170px !important;
    min-width: 170px !important;
    max-height: 60px !important;
    margin-bottom: 6px !important;
  }

  /* -------- VISUEL -------- */

  .full-preview-card {
    min-height: auto !important;
  }

  .single-preview-card {
    padding: 8px;
  }

  .single-preview {
    min-height: auto !important;
    height: auto !important;
    padding: 0 !important;
    overflow: hidden;
  }

  .tile-stage,
  .tile-stage[data-orientation="portrait"],
  .tile-stage[data-orientation="landscape"] {
    width: 100% !important;
    height: 55vh !important;
    min-height: 340px !important;
    max-height: 500px !important;
    padding: 8px !important;

    display: flex;
    align-items: center;
    justify-content: center;
  }

  .tile-stage svg,
  .single-preview svg {
    width: auto !important;
    height: auto !important;
    max-width: 100% !important;
    max-height: 100% !important;
  }

  /* -------- NUANCIER -------- */

  .palette-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }

  .palette-btn {
    padding: 4px;
  }

  .palette-name {
    font-size: 10px;
  }

  /* -------- JOINT -------- */

  .joint-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  /* -------- ZONES -------- */

  .zone-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .zone-pill {
    min-height: 44px;
    padding: 7px;
  }

  .zone-title,
  .zone-color-name {
    font-size: 11px;
  }

  /* -------- BOUTONS -------- */

  .button-row {
    display: grid;
    gap: 8px;
  }

  .button-row button {
    width: 100%;
  }
}

@media (max-width: 520px) {

  .page-shell {
    padding: 6px;
  }

  .tile-stage,
  .tile-stage[data-orientation="portrait"],
  .tile-stage[data-orientation="landscape"] {
    height: 48vh !important;
    min-height: 300px !important;
  }

  .palette-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .zone-list {
    grid-template-columns: repeat(2, 1fr);
  }

}

.export-toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9999;
  padding: 12px 16px;
  border-radius: 14px;
  background: #241f18;
  color: #fffdf8;
  font-size: 13px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.22);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.export-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}


/* ==========================================================
   LANGUAGE SWITCH
   ========================================================== */

.brand-block {
  position: relative;
  overflow: visible;
  padding-top: 10px;
}

.language-switch {
  position: absolute;
  top: 6px;
  right: 10px;

  display: flex;
  align-items: center;
  gap: 6px;

  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;

  z-index: 100;
}

.lang-link {
  color: #7b7b7b;
  text-decoration: none;
  transition: color .2s ease;
}

.lang-link:hover {
  color: #111;
}

.lang-link.active {
  color: #111;
  font-weight: 700;
  border-bottom: 2px solid #111;
  padding-bottom: 2px;
}

.lang-separator {
  color: #bfbfbf;
}