:root {
  color-scheme: light;
  --background: #f7f8fa;
  --surface: #ffffff;
  --border: #d7dce2;
  --text: #20242a;
  --muted: #5f6875;
  --primary: #cc0f2f;
  --primary-hover: #a90d28;
  --secondary: #edf0f4;
  --secondary-hover: #dfe4ea;
  --error: #9f1d22;
  --success: #176b3a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-width: 320px;
  max-width: 320px;
  background: var(--background);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
}

button,
input,
select {
  font: inherit;
}

.popup-shell {
  width: 320px;
  padding: 14px;
}

.header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.header-icon {
  flex: 0 0 auto;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 18px;
  line-height: 1.2;
}

h2 {
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.25;
}

.section,
.status-box {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
  color: var(--muted);
  font-weight: 600;
}

.field input,
.field select {
  width: 100%;
  min-height: 36px;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #ffffff;
  color: var(--text);
}

.field input:focus,
.field select:focus,
.button:focus {
  outline: 2px solid rgba(204, 15, 47, 0.28);
  outline-offset: 2px;
}

.button {
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 700;
}

.button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.button-primary {
  width: 100%;
  background: var(--primary);
  color: #ffffff;
}

.button-primary:hover:not(:disabled) {
  background: var(--primary-hover);
}

.button-secondary {
  background: var(--secondary);
  color: var(--text);
}

.button-secondary:hover:not(:disabled) {
  background: var(--secondary-hover);
}

.timer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 2px 0 12px;
  color: var(--text);
  font-weight: 600;
}

.checkbox-row input {
  width: 16px;
  height: 16px;
}

.button-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 8px;
}

.status-box dl {
  display: grid;
  gap: 8px;
  margin: 0;
}

.status-box div {
  display: grid;
  gap: 2px;
}

.status-box dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.status-box dd {
  margin: 0;
  overflow-wrap: anywhere;
  line-height: 1.35;
}

.message-error {
  color: var(--error);
  font-weight: 700;
}

.message-success {
  color: var(--success);
  font-weight: 700;
}