* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  padding: 48px 20px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0d1117;
  color: #e6edf3;
  display: flex;
  justify-content: center;
}

.wrap {
  width: 100%;
  max-width: 480px;
}

h1 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

h1 .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3fb950;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid #30363d;
  border-radius: 8px;
  background: #161b22;
}

li.done span.text {
  text-decoration: line-through;
  color: #6e7681;
}

li input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: #3fb950;
  cursor: pointer;
}

li span.text {
  flex: 1;
  font-size: 14px;
  word-break: break-word;
}

li button.del {
  border: none;
  background: none;
  color: #6e7681;
  cursor: pointer;
  font-size: 14px;
  padding: 2px 6px;
}

li button.del:hover {
  color: #f85149;
}

.empty {
  color: #6e7681;
  font-size: 14px;
  padding: 16px 0;
}

.add-row {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.add-row input {
  flex: 1;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #30363d;
  background: #0d1117;
  color: #e6edf3;
  font-size: 14px;
}

.add-row input:focus {
  outline: none;
  border-color: #3fb950;
}

.add-row button {
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  background: #238636;
  color: white;
  font-size: 14px;
  cursor: pointer;
}

.add-row button:hover {
  background: #2ea043;
}

.login-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 60px 0;
}

.login-box p {
  color: #6e7681;
  font-size: 13px;
  margin: 0;
}

.login-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid #30363d;
  background: #21262d;
  color: #e6edf3;
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
}

.login-btn:hover {
  background: #30363d;
}

.status {
  font-size: 13px;
  color: #6e7681;
  min-height: 18px;
  margin-top: 12px;
}

.status.error {
  color: #f85149;
}

.back {
  display: block;
  margin-top: 24px;
  font-size: 13px;
  color: #6e7681;
  text-decoration: none;
}

.back:hover {
  color: #e6edf3;
}