:root {
  --primary: #e8896a;
  --primary-dark: #d67454;
  --secondary: #6b9b7e;
  --secondary-dark: #548568;
  --bg: #faf7f4;
  --card-bg: #fff;
  --text: #3d3d3d;
  --text-light: #888;
  --border: #eee;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
  --radius: 16px;
  --tag-bg: #f5ede8;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* NAV */
.nav {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 16px;
  background: var(--card-bg);
  box-shadow: 0 1px 8px rgba(0,0,0,0.04);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav a {
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  transition: all 0.2s;
}
.nav a.active, .nav a:hover {
  background: var(--primary);
  color: #fff;
}

/* CONTAINER */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

/* HEADER */
.page-header {
  text-align: center;
  margin-bottom: 32px;
}
.page-header h1 {
  font-size: 28px;
  color: var(--text);
  margin-bottom: 6px;
}
.page-header p {
  color: var(--text-light);
  font-size: 15px;
}

/* SECTION */
.meal-section { margin-bottom: 36px; }
.meal-section h2 {
  font-size: 20px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.meal-section h2 .icon { font-size: 24px; }

/* RECIPE CARDS */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.15s;
}
.card:hover { transform: translateY(-3px); }
.card h3 {
  font-size: 17px;
  margin-bottom: 10px;
  color: var(--primary-dark);
}
.card .tag {
  display: inline-block;
  background: var(--tag-bg);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 12px;
  margin-bottom: 10px;
}
.card ul {
  list-style: none;
  padding: 0;
}
.card ul li {
  font-size: 14px;
  padding: 4px 0;
  padding-left: 18px;
  position: relative;
}
.card ul li::before {
  content: "•";
  color: var(--secondary);
  font-weight: bold;
  position: absolute;
  left: 4px;
}
.card .tip {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
  font-size: 13px;
  color: var(--text-light);
  font-style: italic;
}

/* PLANNER */
.planner-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 10px;
}
.planner-toolbar button {
  background: var(--secondary);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
}
.planner-toolbar button:hover { background: var(--secondary-dark); }
.planner-toolbar .week-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.planner-grid {
  display: grid;
  grid-template-columns: 90px repeat(7, 1fr);
  gap: 6px;
  overflow-x: auto;
}
.planner-grid .header-cell {
  text-align: center;
  font-weight: 700;
  font-size: 13px;
  padding: 10px 4px;
  color: var(--text);
  background: var(--tag-bg);
  border-radius: 8px;
}
.planner-grid .meal-label {
  font-weight: 600;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text);
  background: var(--tag-bg);
  border-radius: 8px;
  padding: 4px;
}
.planner-grid select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 4px;
  font-size: 11px;
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
  outline: none;
}
.planner-grid select:focus {
  border-color: var(--primary);
}
.planner-grid .day-today {
  background: var(--primary);
  color: #fff;
}

/* PLANNER SUMMARY */
.planner-summary {
  margin-top: 28px;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.planner-summary h3 {
  font-size: 17px;
  margin-bottom: 12px;
  color: var(--text);
}
.summary-day {
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.summary-day:last-child { border-bottom: none; }
.summary-day h4 {
  font-size: 15px;
  color: var(--primary-dark);
  margin-bottom: 4px;
}
.summary-day p {
  font-size: 13px;
  color: var(--text);
  padding-left: 12px;
}
.summary-day .meal-line {
  display: flex;
  gap: 6px;
  align-items: baseline;
}
.summary-day .meal-line strong {
  font-size: 12px;
  color: var(--text-light);
  min-width: 70px;
}

/* HABITS WEEK GRID */
.habits-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 10px;
}
.habits-toolbar button {
  background: var(--secondary);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
}
.habits-toolbar button:hover { background: var(--secondary-dark); }
.habits-toolbar .week-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.habits-week-grid {
  display: grid;
  grid-template-columns: 140px repeat(7, 1fr);
  gap: 6px;
  overflow-x: auto;
}
.habits-week-grid .header-cell {
  text-align: center;
  font-weight: 700;
  font-size: 13px;
  padding: 10px 4px;
  color: var(--text);
  background: var(--tag-bg);
  border-radius: 8px;
}
.habits-week-grid .header-cell.today {
  background: var(--primary);
  color: #fff;
}
.habits-week-grid .header-cell .date-num {
  display: block;
  font-size: 11px;
  font-weight: 400;
  opacity: 0.7;
}
.habits-week-grid .habit-label {
  font-weight: 600;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text);
  background: var(--tag-bg);
  border-radius: 8px;
  padding: 6px 8px;
}
.habits-week-grid .habit-label .h-icon {
  font-size: 18px;
  flex-shrink: 0;
}
.habits-week-grid .habit-label .h-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.habits-week-grid .habit-label .h-text .h-name {
  font-size: 12px;
  font-weight: 600;
}
.habits-week-grid .habit-label .h-text .h-desc {
  font-size: 10px;
  font-weight: 400;
  color: var(--text-light);
}
.habits-week-grid .habit-check {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
}
.habits-week-grid .habit-check .check-box {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.2s;
  background: var(--card-bg);
}
.habits-week-grid .habit-check .check-box:hover {
  border-color: var(--secondary);
}
.habits-week-grid .habit-check .check-box.checked {
  background: var(--secondary);
  border-color: var(--secondary);
  color: #fff;
}
.habits-week-grid .habit-check .check-box::after {
  content: "✓";
  font-size: 16px;
  font-weight: bold;
  display: none;
}
.habits-week-grid .habit-check .check-box.checked::after {
  display: block;
}
.habits-week-grid .day-col-today {
  background: rgba(232, 137, 106, 0.06);
  border-radius: 6px;
}

/* HABITS WEEK SUMMARY */
.habits-week-summary {
  margin-top: 28px;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.habits-week-summary h3 {
  font-size: 17px;
  margin-bottom: 12px;
  color: var(--text);
}
.habits-week-summary .day-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 14px;
}
.habits-week-summary .day-progress .day-name {
  font-weight: 600;
  min-width: 80px;
  color: var(--text);
}
.habits-week-summary .day-progress .progress-bar {
  flex: 1;
  height: 10px;
  background: var(--tag-bg);
  border-radius: 5px;
  overflow: hidden;
}
.habits-week-summary .day-progress .progress-fill {
  height: 100%;
  background: var(--secondary);
  border-radius: 5px;
  transition: width 0.3s;
}
.habits-week-summary .day-progress .progress-text {
  font-size: 12px;
  color: var(--text-light);
  min-width: 45px;
  text-align: right;
}
.habits-week-summary .week-total {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 15px;
  font-weight: 600;
  color: var(--primary-dark);
}

@media (max-width: 600px) {
  .planner-grid { font-size: 10px; }
  .planner-grid .meal-label { font-size: 10px; }
  .planner-grid select { font-size: 10px; padding: 4px 2px; }
  .nav a { padding: 8px 12px; font-size: 13px; }
  .page-header h1 { font-size: 22px; }
  .habits-week-grid { font-size: 10px; }
  .habits-week-grid .habit-label { font-size: 10px; padding: 4px; }
  .habits-week-grid .habit-label .h-text .h-name { font-size: 10px; }
  .habits-week-grid .habit-label .h-text .h-desc { display: none; }
  .habits-week-grid .habit-check .check-box { width: 22px; height: 22px; }
  .habits-week-grid .habit-check .check-box::after { font-size: 12px; }
}