:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --text: #121212;
  --muted: #5a5f66;
  --border: #d9dee5;
  --waiting: #1f8b4c;
  --prep-soon: #d58c00;
  --prep: #dc6f00;
  --leave: #c91f2d;
  --late: #8c0f1b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans KR", "Pretendard", "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #fbfcff 0%, #f1f4f8 100%);
  color: var(--text);
}

.app {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px;
}

.top {
  margin-bottom: 12px;
}

.now-label {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.now-time {
  margin: 2px 0 8px;
  font-size: 24px;
  font-weight: 700;
}

.title {
  margin: 0;
  font-size: 22px;
}

.status-badge {
  display: inline-block;
  margin: 8px 0 0;
  padding: 6px 10px;
  border-radius: 999px;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
}

.hero {
  border-radius: 14px;
  padding: 18px 16px;
  color: #fff;
  margin-bottom: 12px;
}

.status-message {
  margin: 0;
  font-size: 26px;
  line-height: 1.3;
  font-weight: 800;
}

.status-sub {
  margin: 10px 0 0;
  font-size: 15px;
  opacity: 0.95;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 12px;
}

h3 {
  margin: 0 0 12px;
  font-size: 17px;
}

.field {
  margin-bottom: 10px;
}

.field label {
  display: block;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 6px;
}

input[type="time"],
input[type="number"] {
  width: 100%;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 16px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.preset-wrap {
  margin-top: 6px;
}

.preset-title {
  margin: 0 0 6px;
  font-size: 14px;
  color: var(--muted);
}

.preset-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.preset-btn,
.save-btn,
.toggle-detail {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  min-height: 42px;
  font-weight: 700;
  cursor: pointer;
}

.preset-btn:active,
.save-btn:active,
.toggle-detail:active {
  transform: scale(0.99);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 0 0 12px;
}

.result-grid:last-child {
  margin-bottom: 0;
  grid-template-columns: repeat(2, 1fr);
}

dt {
  font-size: 13px;
  color: var(--muted);
}

dd {
  margin: 4px 0 0;
  font-size: 20px;
  font-weight: 800;
}

.toggle-detail {
  width: 100%;
}

.detail {
  margin-top: 12px;
  border-top: 1px dashed var(--border);
  padding-top: 12px;
}

.hidden {
  display: none;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 10px;
}

.timeline div {
  background: #f8fafc;
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 10px;
}

.timeline span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.timeline strong {
  font-size: 18px;
}

.formula {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--muted);
}

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
}

.save-btn {
  width: 100%;
  margin-top: 10px;
}

.waiting {
  background: var(--waiting);
}

.prep_soon {
  background: var(--prep-soon);
}

.prep {
  background: var(--prep);
}

.leave {
  background: var(--leave);
}

.late {
  background: var(--late);
}

@media (max-width: 460px) {
  .field-grid {
    grid-template-columns: 1fr;
  }

  .result-grid {
    grid-template-columns: 1fr 1fr;
  }

  .result-grid:first-of-type div:last-child {
    grid-column: 1 / -1;
  }

  .status-message {
    font-size: 22px;
  }
}