:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --fg: #121212;
  --muted: #5e6472;
  --primary: #019acc;
  --primary-contrast: #fff;
  --card: #fff;
  --border: #e4e8f1;
  --danger: #b30021;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-width: 0;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.45;
}

.topbar {
  inline-size: 100%;
  max-inline-size: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.85rem 0.9rem;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

.topbar h1 {
  margin: 0;
  font-size: 1.15rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.nav a {
  text-decoration: none;
  color: var(--primary);
  font-weight: 600;
  overflow-wrap: anywhere;
}

.container {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  margin: 0.65rem auto;
  padding: 0 0.7rem 1rem;
}

.card {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem;
}

.banner {
  width: 100%;
  margin: 0.65rem auto;
  max-width: 100%;
  border: 1px solid #ffe08a;
  background: #fff9e5;
  border-radius: 8px;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
}

.banner-actions {
  display: flex;
  width: 100%;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.banner-actions button {
  width: 100%;
}

.inline-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0.5rem 0;
}

input,
button {
  font: inherit;
}

input {
  width: 100%;
  min-width: 0;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
}

button {
  border: 1px solid var(--primary);
  background: var(--primary);
  color: var(--primary-contrast);
  padding: 0.55rem 0.75rem;
  min-height: 40px;
  border-radius: 8px;
  cursor: pointer;
}

button.secondary {
  background: #fff;
  color: var(--primary);
}

button.danger {
  border-color: var(--danger);
  background: #fff;
  color: var(--danger);
}

.hidden {
  display: none !important;
}

.muted {
  color: var(--muted);
}

.list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.list-item {
  min-width: 0;
  border-top: 1px solid var(--border);
  padding: 0.75rem 0;
}

.list-item:first-child {
  border-top: none;
}

.item-title {
  margin: 0;
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.item-meta {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.item-actions {
  margin-top: 0.45rem;
  display: flex;
  flex-wrap: wrap;
  min-width: 0;
  gap: 0.5rem;
}

.item-actions button {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  white-space: normal;
  word-break: break-word;
  font-size: 0.9rem;
}

.detail-grid {
  display: grid;
  gap: 0.75rem;
}

.kv {
  margin: 0;
}

.kv dt {
  font-weight: 700;
}

.kv dd {
  margin: 0.25rem 0 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

a {
  overflow-wrap: anywhere;
}

.block-nav {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 0.75rem 0;
}

.btn-nav {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: var(--primary-contrast);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font: inherit;
  font-size: 0.9rem;
  text-align: center;
  line-height: 1.3;
  cursor: pointer;
  min-width: 0;
  word-break: break-word;
}

.btn-nav.secondary {
  background: #fff;
  color: var(--primary);
}

.btn-nav.disabled {
  border-color: var(--border);
  background: var(--bg);
  color: var(--muted);
  cursor: default;
}

.btn-nav small {
  font-size: 0.78rem;
  opacity: 0.85;
}

.block-time {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
}

.session-link {
  text-decoration: none;
  color: var(--primary);
  font-weight: 600;
  display: block;
  padding: 0.1rem 0;
}

.session-link:hover .item-title {
  text-decoration: underline;
}

.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}


#app-panel,
#view {
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

@media (min-width: 768px) {
  .topbar {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
  }

  .container {
    max-width: 1100px;
    margin: 1rem auto;
    padding: 0 1rem 1.5rem;
  }

  .card,
  .banner {
    border-radius: 10px;
  }

  .card {
    padding: 1rem;
  }

  .banner {
    width: auto;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    max-width: 1100px;
    padding: 0.75rem 1rem;
  }

  .banner-actions {
    width: auto;
    flex-wrap: nowrap;
  }

  .banner-actions button {
    width: auto;
  }

  .inline-form {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }

  input {
    width: auto;
    min-width: 260px;
  }

  .item-actions button {
    width: auto;
  }
}

@media (max-width: 360px) {
  .topbar {
    padding: 0.75rem;
  }

  .container {
    padding: 0 0.5rem 0.85rem;
  }

  .card,
  .banner {
    padding: 0.7rem;
  }

  .topbar h1 {
    font-size: 1.05rem;
  }

  .item-actions {
    gap: 0.4rem;
  }
}