:root {
  color-scheme: dark;
}
body {
  font-family: Segoe UI, system-ui, sans-serif;
  background: #1a1b26;
  color: #c0caf5;
  margin: 0;
  line-height: 1.5;
}
body.gate {
  visibility: hidden;
}
body.gate.ready {
  visibility: visible;
}
.wrap {
  padding: 1.25rem 2rem 2rem;
}
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.login-card {
  background: #24283b;
  border: 1px solid #414868;
  border-radius: 12px;
  padding: 1.75rem 1.75rem 1.5rem;
  max-width: 22rem;
  width: 100%;
}
.login-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1rem;
}
.login-form input,
.login-form button {
  width: 100%;
  box-sizing: border-box;
  background: #1a1b26;
  color: #c0caf5;
  border: 1px solid #414868;
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font-size: 1rem;
}
.login-form button {
  background: #7aa2f7;
  color: #1a1b26;
  font-weight: 600;
  border: none;
  cursor: pointer;
}
.login-form button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  padding: 0.85rem 2rem;
  background: #24283b;
  border-bottom: 1px solid #414868;
}
.app-nav {
  display: flex;
  gap: 0.35rem;
}
.app-nav a {
  color: #a9b1d6;
  text-decoration: none;
  border-radius: 8px;
  padding: 0.35rem 0.65rem;
}
.app-nav a:hover,
.app-nav a:focus-visible {
  background: #1a1b26;
  color: #c0caf5;
}
.app-nav a.active {
  background: #7aa2f7;
  color: #1a1b26;
  font-weight: 600;
}
.topbar > span {
  margin-left: auto;
  color: #a9b1d6;
  font-size: 0.9rem;
}
.topbar button {
  background: transparent;
  color: #f7768e;
  border: 1px solid #414868;
  border-radius: 8px;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
}
h1,
h2,
h3 {
  color: #7aa2f7;
}
.lead {
  max-width: 52rem;
}
.card {
  background: #24283b;
  border: 1px solid #414868;
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin: 1rem 0;
  max-width: 56rem;
}
.note {
  color: #e0af68;
}
.ask-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: flex-end;
  margin: 1rem 0;
}
.ask-form label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-width: 100%;
}
.ask-form input[type="text"] {
  width: 48rem;
  max-width: 100%;
  box-sizing: border-box;
  background: #1a1b26;
  color: #c0caf5;
  border: 1px solid #414868;
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  font-size: 1rem;
}
.ask-form button {
  background: #7aa2f7;
  color: #1a1b26;
  font-weight: 600;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 0.45rem 0.9rem;
  font-size: 1rem;
}
.ask-form button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
.answer {
  white-space: pre-wrap;
  background: #1a1b26;
  border: 1px solid #414868;
  border-radius: 8px;
  padding: 0.85rem 1rem;
}
.add-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: flex-end;
  margin: 1rem 0;
}
.add-form input[type="date"],
.add-form input[type="time"],
.add-form button {
  background: #1a1b26;
  color: #c0caf5;
  border: 1px solid #414868;
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  font-size: 1rem;
}
.add-form button {
  background: #7aa2f7;
  color: #1a1b26;
  font-weight: 600;
  cursor: pointer;
  border: none;
}
.check {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.msg {
  color: #9ece6a;
}
.msg.err {
  color: #f7768e;
}
.heatmap-wrap {
  overflow-x: auto;
}
.heat {
  border-collapse: collapse;
  font-size: 16px;
}
.heat th,
.heat td {
  padding: 4px 8px;
  text-align: center;
  min-width: 4.4rem;
}
.heat .slot {
  color: #a9b1d6;
  text-align: right;
}
.heat .cell {
  color: #1a1b26;
}
.months {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.month-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.month-row span.label {
  width: 4.5rem;
  font-size: 12px;
  color: #a9b1d6;
  font-variant-numeric: tabular-nums;
}
.month-row .track {
  flex: 1;
  height: 10px;
  background: #1a1b26;
  border-radius: 5px;
  overflow: hidden;
}
.month-row .fill {
  height: 100%;
  background: #7dcfff;
  border-radius: 5px;
}
.month-row span.n {
  width: 2rem;
  text-align: right;
  font-size: 12px;
}
.recent {
  list-style: none;
  padding: 0;
  margin: 0;
}
.recent li {
  display: flex;
  gap: 0.75rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid #414868;
  font-variant-numeric: tabular-nums;
  align-items: center;
}
.recent button {
  margin-left: auto;
  background: transparent;
  color: #f7768e;
  border: none;
  cursor: pointer;
}
.chat-card {
  max-width: 48rem;
}
.chat-feed {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 18rem;
  max-height: 58vh;
  overflow-y: auto;
  padding: 1rem;
  background: #1a1b26;
  border: 1px solid #414868;
  border-radius: 10px;
}
.chat-empty {
  margin: auto;
  color: #565f89;
}
.chat-message {
  align-self: flex-start;
  max-width: min(78%, 34rem);
}
.chat-message.mine {
  align-self: flex-end;
}
.chat-bubble {
  margin: 0;
  padding: 0.65rem 0.85rem;
  border-radius: 12px 12px 12px 3px;
  background: #292e42;
  color: #c0caf5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.chat-message.mine .chat-bubble {
  border-radius: 12px 12px 3px 12px;
  background: #3d59a1;
  color: #fff;
}
.chat-meta {
  display: block;
  margin-top: 0.2rem;
  color: #7aa2f7;
  font-size: 0.75rem;
}
.chat-message.mine .chat-meta {
  text-align: right;
}
.chat-form {
  display: flex;
  gap: 0.65rem;
  align-items: flex-end;
  margin-top: 0.85rem;
}
.chat-form textarea {
  flex: 1;
  resize: vertical;
  box-sizing: border-box;
  min-height: 3rem;
  max-height: 9rem;
  background: #1a1b26;
  color: #c0caf5;
  border: 1px solid #414868;
  border-radius: 10px;
  padding: 0.65rem 0.8rem;
  font: inherit;
}
.chat-form button {
  background: #7aa2f7;
  color: #1a1b26;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  padding: 0.65rem 1rem;
  cursor: pointer;
}
.chat-form button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 640px) {
  .topbar {
    padding: 0.75rem 1rem;
  }
  .topbar > span {
    order: 3;
    margin-left: 0;
    width: 100%;
  }
  .topbar button {
    margin-left: auto;
  }
  .wrap {
    padding: 0.75rem 1rem 1.5rem;
  }
  .card {
    padding: 1rem;
  }
  .chat-message {
    max-width: 88%;
  }
}