:root {
  --bg: #fdfcf8;
  --card: rgba(255, 253, 248, 0.92);
  --accent: #b56f45;
  --text: #3f342e;
  --muted: #7f6b5f;
  --line: rgba(148, 121, 106, 0.22);
  --shadow: 0 18px 40px rgba(72, 54, 42, 0.08);
  --shadow-soft: 0 10px 24px rgba(72, 54, 42, 0.05);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(181, 111, 69, 0.08), transparent 28%),
    radial-gradient(circle at top right, rgba(151, 122, 98, 0.08), transparent 26%),
    var(--bg);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(63, 52, 46, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63, 52, 46, 0.02) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.22), transparent 88%);
  opacity: 0.55;
}

.page {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 64px;
  display: grid;
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 26px;
  position: relative;
}

.card::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(148, 121, 106, 0.08);
  border-radius: 22px;
  pointer-events: none;
}

.card::after {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  top: 18px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(181, 111, 69, 0.18), transparent);
  pointer-events: none;
}

.intro h1,
.result-header h2 {
  margin: 8px 0 0;
  line-height: 1.25;
  font-family: "Noto Serif TC", "Source Han Serif TC", "PMingLiU", serif;
  letter-spacing: 0.04em;
  color: var(--text);
}

.intro h1 {
  font-size: clamp(30px, 4.2vw, 48px);
}

.tag {
  display: inline-block;
  margin: 0;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(181, 111, 69, 0.1);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.desc,
.summary,
.empty-note {
  color: var(--muted);
  line-height: 1.9;
}

.suggest-area {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

.suggest-head {
  display: grid;
  gap: 8px;
}

.suggest-text {
  margin: 0;
  color: var(--muted);
}

.form-note {
  margin: 4px 0 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 14px;
}

.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.suggest-btn {
  border: 1px solid rgba(148, 121, 106, 0.24);
  background: rgba(255, 255, 255, 0.76);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 15px;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
}

.suggest-btn:hover,
.suggest-btn:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(181, 111, 69, 0.1);
  outline: none;
}

.intro-layout {
  display: grid;
  gap: 18px;
  align-items: center;
}

.intro {
  position: relative;
  overflow: hidden;
}

.intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(253, 252, 248, 0.96), rgba(253, 252, 248, 0.7)),
    url("pexels-sejio402-29288335.jpg") center center / cover no-repeat;
  z-index: 0;
}

.intro::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(253, 252, 248, 0.16), rgba(253, 252, 248, 0.6));
  z-index: 0;
}

.intro > * {
  position: relative;
  z-index: 1;
}

.intro .intro-layout::before {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  top: -10px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(181, 111, 69, 0.24), transparent);
}

.intro .intro-layout {
  position: relative;
}

.form {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-weight: 700;
}

input,
select {
  width: 100%;
  border: 1px solid rgba(148, 121, 106, 0.28);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  padding: 14px 16px;
  font-size: 16px;
  outline: none;
}

input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(181, 111, 69, 0.12);
}

.two-col {
  display: grid;
  gap: 16px;
}

.button {
  border: 0;
  border-radius: 18px;
  background: linear-gradient(135deg, #c07a50, #8f5634);
  color: #fffdf9;
  padding: 15px 18px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(143, 86, 52, 0.2);
}

.button:hover {
  filter: brightness(1.03);
}

.result-header {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.itinerary-list {
  display: grid;
  gap: 14px;
}

.day-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 254, 250, 0.98), rgba(250, 245, 238, 0.98));
  padding: 20px;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.day-card::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(148, 121, 106, 0.08);
  border-radius: 18px;
  pointer-events: none;
}

.day-card h3 {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: "Noto Serif TC", "Source Han Serif TC", "PMingLiU", serif;
  letter-spacing: 0.03em;
}

.time-blocks {
  display: grid;
  gap: 10px;
}

.time-blocks div {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(148, 121, 106, 0.16);
}

.time-blocks strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
}

.spot-list {
  margin: 0;
  padding-left: 1.1em;
  line-height: 1.8;
  color: var(--muted);
  list-style: none;
}

.spot-list li + li {
  margin-top: 6px;
}

.spot-list li {
  position: relative;
  padding-left: 1.1em;
}

.spot-name {
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.spot-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.9em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #d2a07a 0%, #b56f45 70%, #8f5634 100%);
  box-shadow: 0 0 0 3px rgba(181, 111, 69, 0.08);
  transform: translateY(-50%);
}

.empty-note {
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
}

.form-area,
.result-area {
  border-top: 1px solid rgba(148, 121, 106, 0.12);
}

@media (min-width: 760px) {
  .intro {
    padding: 34px;
  }

  .form-area,
  .result-area {
    padding: 30px 34px;
  }

  .two-col {
    grid-template-columns: 1fr 1fr;
  }

  .result-header {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .intro-layout {
    gap: 0;
  }
}