:root {
  --green: #7ab648;
  --green-light: #e8f4db;
  --green-mid: #b5d98a;
  --green-dark: #5a9032;
  --bg: #f4f7f0;
  --white: #ffffff;
  --text: #1a1a1a;
  --text-muted: #6b7a5e;
  --border: #d5e4c0;
  --shadow: 0 4px 24px rgba(90,144,50,0.10);
  --shadow-card: 0 2px 12px rgba(0,0,0,0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ——— Layout ——— */
#app { display: flex; flex-direction: column; min-height: 100vh; }

.navbar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}

.navbar-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.5px;
}

.navbar-logo span { color: var(--text); }

.navbar-actions { display: flex; gap: 12px; align-items: center; }

.nav-link {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: var(--green-light); color: var(--green-dark); }

.nav-user {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--green-dark);
  padding: 6px 14px;
  background: var(--green-light);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* ——— Pages ——— */
.page { display: none; }
.page.active { display: block; }

/* ——— Hero / wizard container ——— */
.wizard-wrap {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 48px 16px 80px;
}

.wizard-card {
  background: var(--white);
  border-radius: 24px;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 560px;
  padding: 40px 44px;
}

/* ——— Progress bar ——— */
.progress-wrap {
  display: flex;
  gap: 6px;
  margin-bottom: 32px;
}

.progress-dot {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 99px;
  transition: background 0.3s;
}
.progress-dot.done { background: var(--green); }
.progress-dot.active { background: var(--green-mid); }

/* ——— Step back button ——— */
.step-back {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  margin-bottom: 24px;
  width: fit-content;
  padding: 4px 0;
  border: none;
  background: none;
  transition: color 0.15s;
}
.step-back:hover { color: var(--green-dark); }
.step-back svg { width: 16px; height: 16px; }

/* ——— Step title ——— */
.step-title {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.step-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.5;
}

/* ——— Macro inputs ——— */
.macro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  margin-bottom: 8px;
}

.macro-field { display: flex; flex-direction: column; gap: 6px; }

.macro-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.macro-input {
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 1.3rem;
  font-weight: 600;
  text-align: center;
  width: 100%;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
}

.macro-input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(122,182,72,0.15);
  background: var(--white);
}

.macro-input.error { border-color: #e53935; }

.macro-unit {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
}

.calories-preview {
  text-align: center;
  margin: 16px 0 4px;
  padding: 12px;
  background: var(--green-light);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--green-dark);
  font-weight: 500;
  min-height: 42px;
  transition: opacity 0.2s;
}

/* ——— Option cards ——— */
.options-grid {
  display: grid;
  gap: 12px;
  margin-bottom: 4px;
}

.options-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.options-grid.cols-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }

.option-card {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.1s;
  text-align: left;
  background: var(--white);
}
.option-card:hover { border-color: var(--green-mid); background: var(--green-light); }
.option-card.selected { border-color: var(--green); background: var(--green-light); }
.option-card.selected .option-card-title { color: var(--green-dark); }

.option-card-icon { font-size: 1.6rem; margin-bottom: 8px; }
.option-card-title { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.option-card-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.4; }

/* ——— Compact option (meal count) ——— */
.option-card.compact { padding: 16px 12px; text-align: center; }
.option-card.compact .option-card-title { font-size: 1.4rem; margin-bottom: 2px; }
.option-card.compact .option-card-desc { font-size: 0.78rem; }

/* ——— Preset chips ——— */
.presets-wrap { margin-bottom: 16px; }
.presets-label { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 8px; font-weight: 500; }
.presets-chips { display: flex; flex-wrap: wrap; gap: 8px; }

.preset-chip {
  border: 1.5px solid var(--border);
  border-radius: 99px;
  padding: 6px 14px;
  font-size: 0.875rem;
  cursor: pointer;
  background: var(--white);
  transition: border-color 0.15s, background 0.15s, color 0.15s;
  color: var(--text);
}
.preset-chip:hover { border-color: var(--green-mid); background: var(--green-light); }
.preset-chip.selected { border-color: var(--green); background: var(--green); color: var(--white); font-weight: 500; }

/* ——— Meal preference blocks ——— */
.meal-pref-block {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 14px;
}
.meal-pref-label { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.4px; }

/* ——— Text input ——— */
.text-input {
  width: 100%;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-size: 0.95rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.2s;
  color: var(--text);
  background: var(--bg);
}
.text-input:focus { border-color: var(--green); background: var(--white); }
.text-input::placeholder { color: var(--text-muted); }

/* ——— Service cards (delivery) ——— */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-bottom: 4px;
}

.service-card {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 12px;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.2s, background 0.2s;
  background: var(--white);
  position: relative;
}
.service-card:hover { border-color: var(--green-mid); background: var(--green-light); }
.service-card.selected { border-color: var(--green); background: var(--green-light); }
.service-card.soon { opacity: 0.6; cursor: default; }
.service-card.soon:hover { border-color: var(--border); background: var(--white); }

.service-soon-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  font-size: 0.6rem;
  background: var(--text-muted);
  color: white;
  padding: 2px 5px;
  border-radius: 99px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.service-icon { font-size: 1.4rem; margin-bottom: 6px; }
.service-name { font-size: 0.8rem; font-weight: 600; }

/* ——— Primary button ——— */
.btn-primary {
  width: 100%;
  background: var(--green);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  padding: 16px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 24px;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
  font-family: var(--font);
  letter-spacing: 0.2px;
}
.btn-primary:hover { background: var(--green-dark); box-shadow: 0 4px 16px rgba(90,144,50,0.25); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-secondary {
  width: 100%;
  background: var(--white);
  color: var(--green-dark);
  border: 2px solid var(--green);
  border-radius: var(--radius);
  padding: 14px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  font-family: var(--font);
}
.btn-secondary:hover { background: var(--green-light); }

/* ——— Error / hint ——— */
.error-msg {
  font-size: 0.82rem;
  color: #e53935;
  margin-top: 6px;
  display: none;
}
.error-msg.visible { display: block; }

/* ——— Loading spinner ——— */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.85);
  z-index: 999;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.loading-overlay.visible { display: flex; }

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-text { font-size: 1rem; color: var(--text-muted); font-weight: 500; }

/* ——— Results page ——— */
.results-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
  flex-wrap: wrap;
}

.results-title { font-size: 1.5rem; font-weight: 700; }

.results-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
}

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

.btn-sm {
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  border: none;
  transition: background 0.15s, box-shadow 0.15s;
}
.btn-sm.green { background: var(--green); color: white; }
.btn-sm.green:hover { background: var(--green-dark); }
.btn-sm.outline { background: white; color: var(--green-dark); border: 1.5px solid var(--green); }
.btn-sm.outline:hover { background: var(--green-light); }
.btn-sm.gray { background: var(--bg); color: var(--text-muted); border: 1.5px solid var(--border); }
.btn-sm.gray:hover { background: var(--border); }

/* ——— Meal section ——— */
.meal-section { margin-bottom: 36px; }
.meal-section-label {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.meal-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ——— Dish cards ——— */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.dish-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1.5px solid transparent;
}
.dish-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.12); border-color: var(--green-mid); }
.dish-card.expanded { border-color: var(--green); }

.dish-card-img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  background: var(--green-light);
  display: block;
}
.dish-card-img-placeholder {
  width: 100%;
  height: 140px;
  background: linear-gradient(135deg, var(--green-light), var(--border));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.dish-card-body { padding: 14px 16px; }
.dish-card-name { font-size: 0.95rem; font-weight: 600; line-height: 1.35; margin-bottom: 8px; }

.dish-kbju {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.kbju-pill {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 99px;
  background: var(--green-light);
  color: var(--green-dark);
}
.kbju-pill.kcal { background: #fff3e0; color: #e65100; }

.dish-portion {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.dish-card-expand {
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  display: none;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.dish-card.expanded .dish-card-expand { display: block; }

.dish-expand-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--green-dark);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.85rem;
}
.dish-expand-link:hover { text-decoration: underline; }

.dish-select-btn {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--green);
  background: var(--white);
  color: var(--green-dark);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: background 0.15s;
}
.dish-select-btn:hover { background: var(--green-light); }
.dish-select-btn.checked { background: var(--green); color: white; border-color: var(--green); }

/* ——— Order modal ——— */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-overlay.visible { display: flex; }

.modal-box {
  background: var(--white);
  border-radius: 24px;
  padding: 36px 40px;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 8px 40px rgba(0,0,0,0.18);
}
.modal-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.modal-sub { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 20px; line-height: 1.5; }

.ordered-items-list { margin-bottom: 16px; }
.ordered-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}
.ordered-item input[type=checkbox] { accent-color: var(--green); width: 16px; height: 16px; }
.ordered-item-name { flex: 1; }

.modal-actions { display: flex; gap: 10px; margin-top: 20px; }
.modal-actions .btn-sm { flex: 1; padding: 12px; }

/* ——— Auth modal ——— */
.auth-tabs { display: flex; gap: 0; margin-bottom: 24px; border-bottom: 2px solid var(--border); }
.auth-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
}
.auth-tab.active { color: var(--green-dark); border-bottom-color: var(--green); }

.auth-field { margin-bottom: 14px; }
.auth-field label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--text-muted); margin-bottom: 5px; }
.auth-field .text-input { font-size: 0.95rem; }

/* ——— Cabinet / profile page ——— */
.cabinet-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}
.cabinet-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 4px; }
.cabinet-sub { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 32px; }

.history-list { display: flex; flex-direction: column; gap: 12px; }

.history-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.history-card:hover { border-color: var(--green-mid); background: var(--green-light); }

.history-card-icon { font-size: 1.5rem; }
.history-card-info { flex: 1; }
.history-card-date { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 3px; }
.history-card-title { font-size: 0.95rem; font-weight: 600; }
.history-card-meta { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }
.history-card-badge {
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 99px;
  font-weight: 600;
}
.badge-green { background: var(--green-light); color: var(--green-dark); }
.badge-gray { background: var(--bg); color: var(--text-muted); border: 1px solid var(--border); }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state-icon { font-size: 3rem; margin-bottom: 16px; }
.empty-state-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; color: var(--text); }
.empty-state-desc { font-size: 0.9rem; line-height: 1.5; }

/* ——— Toast ——— */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #1a1a1a;
  color: white;
  padding: 12px 24px;
  border-radius: 99px;
  font-size: 0.875rem;
  font-weight: 500;
  z-index: 1000;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.success { background: var(--green-dark); }
.toast.error { background: #c62828; }

/* ——— Calculator ——— */
.calc-form {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 20px;
}

.calc-row { margin-bottom: 12px; }
.calc-row.cols3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-bottom: 12px; }

.calc-field { display: flex; flex-direction: column; gap: 5px; }
.calc-label { font-size: 0.78rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px; }

.calc-input {
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 10px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  outline: none;
  background: var(--white);
  font-family: var(--font);
  color: var(--text);
  transition: border-color 0.2s;
}
.calc-input:focus { border-color: var(--green); }

.calc-select {
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 10px;
  font-size: 0.875rem;
  outline: none;
  background: var(--white);
  font-family: var(--font);
  color: var(--text);
  transition: border-color 0.2s;
  cursor: pointer;
}
.calc-select:focus { border-color: var(--green); }

.calc-toggle { display: flex; gap: 6px; flex-wrap: wrap; }
.calc-toggle-btn {
  flex: 1;
  text-align: center;
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  background: var(--white);
  transition: border-color 0.15s, background 0.15s, color 0.15s;
  white-space: nowrap;
}
.calc-toggle-btn:hover { border-color: var(--green-mid); background: var(--green-light); }
.calc-toggle-btn.active { border-color: var(--green); background: var(--green); color: var(--white); font-weight: 600; }

/* ——— Responsive ——— */
@media (max-width: 640px) {
  .wizard-card { padding: 28px 20px; }
  .step-title { font-size: 1.3rem; }
  .macro-grid { grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
  .macro-input { padding: 10px 8px; font-size: 1.1rem; }
  .options-grid.cols-4 { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .cards-grid { grid-template-columns: 1fr 1fr; }
  .modal-box { padding: 24px 20px; }
  .results-wrap { padding: 24px 16px 60px; }
  .cabinet-wrap { padding: 24px 16px 60px; }
  .navbar { padding: 0 16px; }
}

@media (max-width: 420px) {
  .cards-grid { grid-template-columns: 1fr; }
  .macro-input { font-size: 1rem; }
}