:root {
  --green: #2e9e5b;
  --green-dark: #1f7a44;
  --bg: #f4f7f5;
  --card: #ffffff;
  --text: #233027;
  --muted: #6b7c70;
  --border: #e2e8e4;
}

* { box-sizing: border-box; }

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


.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--green);
  color: #fff;
  padding: 14px 24px;
}
.brand { font-weight: 800; font-size: 20px; }
.menu { display: flex; gap: 18px; flex: 1; }
.menu a { color: #fff; text-decoration: none; font-weight: 600; opacity: 0.9; }
.menu a:hover { opacity: 1; text-decoration: underline; }
.user-box { display: flex; align-items: center; gap: 12px; }
.user-id { font-weight: 700; }


.container { max-width: 920px; margin: 28px auto; padding: 0 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
  padding: 22px 24px;
  margin-bottom: 20px;
}
.hero h1 { margin-top: 0; }

h1 { font-size: 26px; }
h2 { font-size: 20px; margin-top: 0; }

.muted { color: var(--muted); }
.ok { color: var(--green-dark); font-weight: 700; }
.hint { font-size: 14px; }


.btn {
  display: inline-block;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 11px 18px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--green-dark); }
.btn-outline {
  background: #fff;
  color: var(--green-dark);
  border: 2px solid var(--green);
}
.btn-link {
  background: none; border: none; color: #fff;
  text-decoration: underline; cursor: pointer; font-size: 15px;
}
.actions { display: flex; gap: 12px; margin-top: 16px; }
.inline { display: inline; margin: 0; }

.login-form { display: flex; gap: 10px; margin-top: 14px; }
.login-form input {
  padding: 11px 12px; font-size: 16px;
  border: 1px solid var(--border); border-radius: 10px; width: 220px;
}


table { width: 100%; border-collapse: collapse; margin-top: 12px; }
th, td { border-bottom: 1px solid var(--border); padding: 10px; text-align: left; }
th { color: var(--muted); font-weight: 700; }
tr:hover td { background: #f6faf7; }

.llm-card { border-left: 4px solid var(--green); }
.recommendation { font-size: 16px; line-height: 1.6; white-space: pre-wrap; }
.prompt-details { margin-top: 12px; }
pre {
  white-space: pre-wrap; background: #f6f8f7;
  padding: 12px; border-radius: 8px; font-size: 14px;
}


.badge {
  font-size: 12px; font-weight: 700; padding: 3px 9px;
  border-radius: 20px; vertical-align: middle; margin-left: 6px;
}
.badge-cache { background: #fff3d6; color: #9a6b00; }
.badge-fresh { background: #d9f3e3; color: var(--green-dark); }


.stats { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 8px; }
.stat {
  flex: 1; min-width: 140px; text-align: center;
  background: #f6faf7; border-radius: 12px; padding: 16px;
}
.stat-value { font-size: 30px; font-weight: 800; color: var(--green-dark); }
.stat-label { color: var(--muted); font-size: 14px; }

.result { margin-top: 14px; }
.bmi-form { display: flex; gap: 10px; flex-wrap: wrap; }
.bmi-form input {
  padding: 11px 12px; font-size: 16px; width: 150px;
  border: 1px solid var(--border); border-radius: 10px;
}
.error { color: #b00020; font-weight: 700; }


.error-card { border-left: 4px solid #c0392b; color: #922b21; }

.heatmap { margin: 12px 0 4px; overflow-x: auto; }
.hm-row { display: flex; }
.hm-corner { width: 28px; }
.hm-hour {
  width: 20px; text-align: center; font-size: 10px; color: var(--muted);
  line-height: 16px;
}
.hm-day {
  width: 28px; font-size: 12px; color: var(--muted); font-weight: 700;
  line-height: 20px;
}
.hm-cell {
  width: 20px; height: 20px; border: 1px solid #eef3ef; box-sizing: border-box;
}

.cart-cols { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 8px; }
.cart-col {
  flex: 1; min-width: 220px; background: #f6faf7;
  border-radius: 12px; padding: 12px 16px;
}
.cart-col h3 { margin-top: 0; }
.cart-col ul { padding-left: 18px; margin: 8px 0; }
.cart-col li { margin: 4px 0; }

.footer { text-align: center; color: var(--muted); padding: 24px; font-size: 14px; }