@import url('https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@300;400;700&family=Shippori+Mincho:wght@400;500&display=swap');

:root {
  --bg: #faf8f5;
  --bg2: #f2ede6;
  --card: #ffffff;
  --text: #2c2420;
  --text2: #7a6e68;
  --accent: #b89a8a;
  --accent2: #d4b8aa;
  --border: rgba(180,160,148,0.25);
  --shadow: rgba(120,90,75,0.08);
  --leaf: #8aab96;
  --leaf2: #c2d9cb;
  --btn-bg: #e8ddd6;
  --btn-hover: #d4c5bb;
  --tag-bg: #f0e8e2;
}

[data-theme="dark"] {
  --bg: #1a1714;
  --bg2: #231f1c;
  --card: #2a2521;
  --text: #ede8e3;
  --text2: #a89b93;
  --accent: #c4a898;
  --accent2: #8a6e62;
  --border: rgba(180,150,130,0.15);
  --shadow: rgba(0,0,0,0.3);
  --leaf: #7a9e89;
  --leaf2: #4a6e5a;
  --btn-bg: #3a332e;
  --btn-hover: #4a413b;
  --tag-bg: #332d28;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  font-family: 'Zen Kaku Gothic New', sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background 0.4s ease, color 0.4s ease;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 2.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background 0.4s ease;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}

.logo-coco {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.5rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.logo-wise {
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-size: 1.5rem;
  color: var(--text);
  font-weight: 300;
  letter-spacing: 0.08em;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.company-name {
  font-size: 0.72rem;
  color: var(--text2);
  letter-spacing: 0.05em;
  font-weight: 300;
}

.theme-toggle {
  background: var(--btn-bg);
  border: none;
  border-radius: 50px;
  width: 44px;
  height: 24px;
  cursor: pointer;
  position: relative;
  transition: background 0.3s ease;
}

.theme-toggle::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  top: 3px;
  left: 3px;
  transition: transform 0.3s ease, background 0.3s ease;
}

[data-theme="dark"] .theme-toggle::after {
  transform: translateX(20px);
}

/* Hero */
.hero {
  text-align: center;
  padding: 5rem 2rem 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--leaf2) 0%, transparent 70%);
  opacity: 0.18;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}

.hero-sub {
  font-size: 0.8rem;
  color: var(--leaf);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  font-weight: 400;
}

.hero-title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 400;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.hero-title span {
  color: var(--accent);
}

.hero-desc {
  font-size: 0.92rem;
  color: var(--text2);
  font-weight: 300;
  line-height: 1.9;
  max-width: 460px;
  margin: 0 auto 2.5rem;
}

/* Main section */
.main-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 1.5rem 4rem;
}

.list-header {
  text-align: center;
  margin-bottom: 2rem;
  max-width: 640px;
  width: 100%;
}

.advice-label-top {
  font-size: 0.72rem;
  color: var(--text2);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.4rem;
}

.list-desc {
  font-size: 0.82rem;
  color: var(--text2);
  font-weight: 300;
}

/* Advice list */
.advice-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 640px;
  width: 100%;
}

.advice-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.4rem 1.6rem;
  box-shadow: 0 4px 20px var(--shadow);
  transition: background 0.4s ease, border 0.4s ease;
  animation: fadeIn 0.5s ease both;
}

.item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.item-tag {
  background: var(--tag-bg);
  color: var(--accent);
  font-size: 0.68rem;
  padding: 0.28rem 0.8rem;
  border-radius: 50px;
  letter-spacing: 0.08em;
  transition: background 0.4s ease;
}

.item-num {
  font-size: 0.68rem;
  color: var(--text2);
  font-weight: 300;
  letter-spacing: 0.06em;
}

.item-text {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  line-height: 1.9;
  color: var(--text);
}

/* Skeleton */
.skeleton {
  min-height: 96px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  animation: pulse 1.4s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.45; }
}

/* Add more button */
.add-btn {
  margin-top: 2rem;
  background: transparent;
  border: 1px solid var(--accent2);
  color: var(--accent);
  border-radius: 50px;
  padding: 0.75rem 2.4rem;
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.add-btn:hover {
  background: var(--btn-bg);
  transform: translateY(-1px);
}

.add-btn:active { transform: translateY(0); }

.add-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Footer */
footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.72rem;
  color: var(--text2);
  border-top: 1px solid var(--border);
  letter-spacing: 0.06em;
  font-weight: 300;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.advice-card {
  animation: fadeIn 0.6s ease both;
}

.hero-title, .hero-desc {
  animation: fadeIn 0.6s ease both;
}

.hero-desc { animation-delay: 0.1s; }

@media (max-width: 600px) {
  header { padding: 1rem 1.2rem; }
  .company-name { display: none; }
  .hero { padding: 3rem 1.2rem 2rem; }
  .advice-card { padding: 2rem 1.5rem 1.8rem; }
  .card-footer { justify-content: center; }
}