* {
  box-sizing: border-box;
}

:root {
  --bg: #f5efe6;
  --panel: #fffdfa;
  --panel-2: #f8f2ea;
  --text: #213547;
  --muted: #607080;
  --accent: #8f3c2d;
  --accent-2: #1f546e;
  --line: #dacdbf;
  --ok: #0d7a42;
  --warn: #9c6a00;
  --shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

body[data-theme="dark"] {
  --bg: #15202b;
  --panel: #1e2b36;
  --panel-2: #223240;
  --text: #edf3f7;
  --muted: #a8b8c5;
  --accent: #d36b57;
  --accent-2: #66a9c8;
  --line: #324858;
  --ok: #4dd08f;
  --warn: #ffca63;
  --shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app-shell {
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px;
}

.app-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 20px;
}

.app-header h1 {
  margin: 0 0 6px 0;
  font-size: 1.9rem;
}

.app-header p {
  margin: 0;
  color: var(--muted);
}

.app-main {
  min-height: 70vh;
}

.screen {
  display: none;
}

.screen.active {
  display: block;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 24px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
}

input,
select {
  width: 100%;
  margin-top: 8px;
  margin-bottom: 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  padding: 12px;
  font-size: 1rem;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}

button {
  border: none;
  border-radius: 999px;
  padding: 12px 18px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.primary-btn {
  background: var(--accent-2);
  color: white;
}

.secondary-btn,
.ghost-btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
}

.accent-btn {
  background: var(--accent);
  color: white;
}

.plain-list {
  padding-left: 20px;
}

.status-bar {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-weight: 700;
  margin-bottom: 14px;
}

.progress-wrap {
  width: 100%;
  height: 10px;
  background: var(--panel-2);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 18px;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.question-meta {
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 10px;
}

.question-title {
  margin-top: 0;
}

.option-label {
  display: block;
  font-weight: 400;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  margin-bottom: 10px;
  cursor: pointer;
}

.option-label input {
  width: auto;
  margin-right: 10px;
  margin-bottom: 0;
}

.break-timer {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--warn);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 18px 0;
}

.result-box {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
}

.result-caption {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
}

.result-group {
  margin-top: 20px;
}

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

.error {
  color: #c23728;
  font-weight: 700;
}