:root {
  color-scheme: light;
  --ink: #151515;
  --muted: #74777d;
  --line: #e2e4e8;
  --panel: #ffffff;
  --surface: #f7f8fa;
  --accent: #1763ff;
  --accent-soft: rgba(23, 99, 255, 0.12);
  --cell: 52px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--surface);
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  background: #fff;
  cursor: pointer;
  transition: border-color 140ms ease, background-color 140ms ease, color 140ms ease;
}

button:hover {
  border-color: var(--accent);
  background: #f8fbff;
}

.app-shell {
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100dvh;
  min-height: 0;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(16px, 3vw, 36px) 16px;
  border-bottom: 1px solid rgba(21, 21, 21, 0.06);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(16px);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 4.6vw, 4.6rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.topbar__meta {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: max-content;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.topbar__meta span:first-child {
  color: var(--accent);
  font-size: 1.45rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 14px;
  min-height: 0;
  padding: 18px clamp(16px, 3vw, 36px) 24px;
  transition: grid-template-columns 0.22s ease;
}

.workspace--collapsed {
  grid-template-columns: 44px minmax(0, 1fr);
}

.panel,
.wall-wrap {
  min-height: 0;
  border: 1px solid rgba(21, 21, 21, 0.08);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 8px 28px rgba(28, 31, 36, 0.06);
}

.panel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 16px;
  width: 100%;
  min-width: 0;
  overflow: hidden;
  transition: width 0.22s ease, padding 0.22s ease, opacity 0.18s ease;
}

.panel__inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 260px;
}

.panel-toggle {
  position: absolute;
  top: 12px;
  right: 10px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
  z-index: 2;
}

.panel-toggle:hover {
  background: rgba(21, 21, 21, 0.04);
}

.panel-toggle__icon {
  display: inline-block;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-right: 6px solid currentColor;
}

.panel__inner > .panel__section:first-child {
  padding-right: 38px;
}

.workspace--collapsed .panel {
  width: 44px;
  padding: 16px 8px;
}

.workspace--collapsed .panel__inner {
  opacity: 0;
  pointer-events: none;
}

.workspace--collapsed .panel-toggle {
  right: 8px;
}

.workspace--collapsed .panel-toggle__icon {
  transform: rotate(180deg);
}

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

.field,
.range-field {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.field input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
}

.field input:focus {
  border-color: var(--accent);
  outline: 3px solid var(--accent-soft);
}

.control-row {
  display: grid;
  grid-template-columns: 42px 1fr 42px;
  gap: 10px;
  align-items: end;
}

.icon-button {
  aspect-ratio: 1;
  min-height: 42px;
  font-size: 1.5rem;
  line-height: 1;
}

.range-field input {
  width: 100%;
  accent-color: var(--accent);
}

.range-field input[type="range"] {
  height: 24px;
  padding: 0;
  border: 0;
  background: transparent;
}

.range-field input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 999px;
  background: #d9dde4;
}

.range-field input[type="range"]::-webkit-slider-thumb {
  width: 16px;
  height: 16px;
  margin-top: -6px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 2px 8px rgba(23, 99, 255, 0.28);
  appearance: none;
}

.range-field input[type="range"]::-moz-range-track {
  height: 4px;
  border-radius: 999px;
  background: #d9dde4;
}

.range-field input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 2px 8px rgba(23, 99, 255, 0.28);
}

.selected-card {
  border-top: 1px solid rgba(18, 19, 22, 0.1);
  padding-top: 16px;
}

.muted {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.person {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  align-items: center;
}

.person--large {
  grid-template-columns: minmax(120px, 220px) 1fr;
}

.person__image {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 7px;
  overflow: hidden;
  background:
    linear-gradient(45deg, rgba(18, 19, 22, 0.05) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(18, 19, 22, 0.05) 25%, transparent 25%),
    #fff;
  background-size: 12px 12px;
}

.person__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: pixelated;
}

.person h2 {
  margin: 4px 0 2px;
  font-size: 1.2rem;
  line-height: 1.1;
}

.coordinate-card h2 {
  margin-top: 3px;
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
}

.person--large h2 {
  font-size: clamp(1.8rem, 5vw, 3.4rem);
}

.wall-wrap {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
}

.wall-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border-bottom: 1px solid rgba(18, 19, 22, 0.1);
}

.wall-toolbar button {
  padding: 0 12px;
}

#zoom-label {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.wall-scroll {
  position: relative;
  min-height: 0;
  overflow: auto;
  overscroll-behavior: contain;
  touch-action: pan-x pan-y;
  background: #fbfcfe;
}

.wall {
  display: grid;
  grid-template-columns: repeat(var(--cols), var(--cell));
  width: max-content;
  min-width: 100%;
  padding: 14px;
}

.cell {
  position: relative;
  display: grid;
  place-items: center;
  width: var(--cell);
  height: var(--cell);
  min-height: 0;
  border: 1px solid rgba(21, 21, 21, 0.11);
  border-radius: 0;
  padding: 0;
  background: #fff;
}

.cell:hover {
  z-index: 4;
  border-color: rgba(23, 99, 255, 0.9);
  box-shadow: inset 0 0 0 1px rgba(23, 99, 255, 0.35);
}

.cell--filled {
  background: #fff;
}

.cell--filled img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: pixelated;
}

.cell--selected {
  z-index: 5;
  border-color: var(--accent);
  box-shadow:
    0 0 0 3px var(--accent-soft),
    0 10px 26px rgba(23, 99, 255, 0.18);
}

.cell--dimmed {
  opacity: 0.24;
}

.hover-card {
  position: fixed;
  z-index: 1000;
  display: grid;
  gap: 2px;
  width: max-content;
  max-width: min(260px, calc(100vw - 16px));
  border-radius: 8px;
  padding: 8px 10px;
  color: #fff;
  background: rgba(21, 21, 21, 0.94);
  box-shadow: 0 10px 28px rgba(18, 19, 22, 0.2);
  font-size: 0.82rem;
  pointer-events: none;
}

.hover-card[hidden] {
  display: none;
}

.hover-card strong,
.hover-card span {
  overflow-wrap: anywhere;
}

.hover-card span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.75rem;
}

.person-dialog {
  width: min(92vw, 720px);
  border: 0;
  border-radius: 8px;
  padding: 28px;
  color: var(--ink);
  background: #fff;
}

.person-dialog::backdrop {
  background: rgba(12, 16, 28, 0.5);
  backdrop-filter: blur(8px);
}

.dialog-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 38px;
  min-height: 38px;
  font-size: 1.35rem;
}

@media (max-width: 900px) {
  .topbar {
    align-items: start;
    flex-direction: column;
  }

  .workspace {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
    overflow: auto;
  }

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

  .workspace--collapsed .panel {
    width: auto;
    height: 44px;
    padding: 8px;
  }

  .workspace--collapsed .panel-toggle {
    top: 8px;
  }

  .workspace--collapsed .panel-toggle__icon {
    transform: rotate(90deg);
  }
}

@media (max-width: 760px) {
  .topbar {
    padding-top: 18px;
  }

  h1 {
    font-size: clamp(2.1rem, 12vw, 3.8rem);
  }

  .workspace {
    padding-inline: 10px;
  }

  .panel {
    padding: 12px;
  }

  .selected-card {
    display: none;
  }

  .wall-toolbar {
    overflow-x: auto;
  }

  .wall-toolbar button {
    min-width: max-content;
  }

  .wall {
    padding: 12px;
  }

  .person--large {
    grid-template-columns: 1fr;
  }
}