:root {
  --app-bg: #f7faf8;
  --app-text: #1b1f1d;
  --app-muted: #66716b;
  --app-accent: #198754;
  --app-border: #dfe8e2;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--app-text);
  background: var(--app-bg);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  letter-spacing: 0;
}

.material-symbols-outlined {
  font-size: 1.25rem;
  line-height: 1;
  vertical-align: middle;
}

.app-main {
  min-height: calc(100vh - 57px);
}

.app-panel,
.app-stat {
  border: 1px solid var(--app-border);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(27, 31, 29, 0.06);
}

.app-panel {
  padding: 1.5rem;
}

.app-auth {
  min-height: 100vh;
  display: grid;
  align-items: center;
  justify-content: center;
  padding-block: 2rem;
}

.auth-panel {
  width: min(100%, 420px);
}

.step-mark {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  flex: 0 0 2rem;
  border-radius: 999px;
  color: #fff;
  background: var(--app-accent);
  font-weight: 700;
}

.app-stat {
  min-height: 140px;
  display: grid;
  gap: 0.35rem;
  padding: 1.25rem;
}

.app-stat strong {
  font-size: 2rem;
}

.stat-label {
  color: var(--app-muted);
  font-size: 0.95rem;
}

.app-link-button {
  color: var(--app-text);
  text-decoration: none;
}

.app-link-button:hover,
.app-link-button:focus {
  color: var(--app-accent);
}

.app-grid .gridjs-wrapper {
  border: 0;
  box-shadow: none;
}

.app-grid .gridjs-container {
  padding: 0;
}

.app-grid .gridjs-table {
  width: 100%;
}

.app-grid .gridjs-footer {
  border: 0;
  box-shadow: none;
  padding-inline: 0;
}

.app-question-list,
.app-participant-list {
  margin-inline: -1.5rem;
  margin-bottom: -1.5rem;
}

.app-question-list .list-group-item,
.app-participant-list .list-group-item {
  padding: 1rem 1.5rem;
}

.min-w-0 {
  min-width: 0;
}

.session-code {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.08em;
}