:root {
  color-scheme: dark;
  --bg: #1e2025;
  --panel: #252a31;
  --panel-strong: #324158;
  --ink: #fdfdfd;
  --muted: #d3c9b8;
  --line: #324158;
  --accent: #9e701f;
  --accent-strong: #c48a27;
  --button: #1e2025;
  --field: #1a1d22;
  --danger: #a84747;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
  font-family: "Playfair Display", Georgia, serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 30px 0;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.9rem, 3vw, 3.15rem);
  font-weight: 800;
  line-height: 1;
}

.status-block {
  display: grid;
  gap: 4px;
  justify-items: end;
  color: var(--muted);
  font-size: 0.95rem;
  white-space: nowrap;
}

#term-label {
  color: var(--accent);
}

.tool-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 18px;
  align-items: start;
}

.controls-panel,
.results-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.controls-panel {
  padding: 18px;
}

.control-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

label.wide {
  grid-column: 1 / -1;
}

input,
select {
  width: 100%;
  min-height: 42px;
  color: var(--ink);
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  outline: none;
}

input::placeholder {
  color: rgba(253, 253, 253, 0.62);
}

input:focus,
select:focus,
button:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(158, 112, 31, 0.22);
}

.toggle-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 16px;
}

.toggle-row button,
#copy-results {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: var(--button);
  font-weight: 800;
}

.toggle-row button:hover,
#copy-results:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.toggle-row button.active {
  color: var(--bg);
  border-color: var(--accent);
  background: var(--accent);
}

.toggle-row button.active:hover {
  color: var(--bg);
  background: var(--accent-strong);
}

.results-panel {
  min-height: 520px;
  overflow: hidden;
}

.result-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.result-summary div {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

#result-count {
  color: var(--accent);
  font-size: 2.1rem;
  font-weight: 800;
}

#result-label {
  color: var(--muted);
  font-weight: 800;
}

#copy-results {
  width: 84px;
}

.results-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 12px;
  padding: 18px;
}

.room-card {
  display: grid;
  gap: 8px;
  min-height: 114px;
  padding: 14px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--panel-strong);
  border-radius: 8px;
  background: var(--button);
}

.room-card.busy {
  border-left-color: var(--accent);
}

.room-name {
  color: var(--ink);
  font-size: 1.06rem;
  font-weight: 800;
}

.room-meta,
.room-detail {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.35;
}

.room-detail strong {
  color: var(--accent);
}

.empty-state {
  grid-column: 1 / -1;
  padding: 44px 20px;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 840px) {
  .app-shell {
    width: min(100% - 20px, 720px);
    padding: 18px 0;
  }

  .topbar {
    display: grid;
    align-items: start;
  }

  .status-block {
    justify-items: start;
    white-space: normal;
  }

  .tool-layout {
    grid-template-columns: 1fr;
  }

  .results-panel {
    min-height: 360px;
  }
}

@media (max-width: 480px) {
  .control-grid {
    grid-template-columns: 1fr;
  }

  label.wide {
    grid-column: auto;
  }

  .results-list {
    grid-template-columns: 1fr;
  }
}