/* ---------- Reset & base ---------- */
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

:root {
  --bg: #f6faf3;
  --surface: #ffffff;
  --border: #e7efe2;
  --text: #16261d;
  --text-muted: #5c6d61;
  --text-faint: #93a49a;

  --green: #16a34a;
  --green-dark: #0d7a37;
  --green-soft: #e7f8ec;
  --lime: #a3e635;

  --protein: #fb7159;
  --protein-bg: #ffe9e3;
  --carbs: #f6a609;
  --carbs-bg: #fef3dc;
  --fat: #14b8a6;
  --fat-bg: #dff8f4;

  --red: #e0433a;
  --red-bg: #fdeceb;
  --carbs-ink: #7a5304;

  --shadow-sm: 0 1px 2px rgba(20, 40, 25, 0.05), 0 1px 3px rgba(20, 40, 25, 0.07);
  --shadow-md: 0 6px 16px rgba(20, 60, 35, 0.09);
  --radius: 18px;
  --radius-sm: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10160f;
    --surface: #1a231a;
    --border: #2a352a;
    --text: #eef4ec;
    --text-muted: #a3b3a8;
    --text-faint: #6f8075;

    --green: #4ade80;
    --green-dark: #22c55e;
    --green-soft: #163523;
    --lime: #bef264;

    --protein: #ff8a70;
    --protein-bg: #3a2019;
    --carbs: #ffc24d;
    --carbs-bg: #3a2c10;
    --fat: #2dd4bf;
    --fat-bg: #103430;

    --red: #f4756c;
    --red-bg: #3a1a17;
  --carbs-ink: #f0d9a0;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.35);
    --shadow-md: 0 6px 18px rgba(0,0,0,0.4);
  }
}

:root[data-theme="dark"] {
  --bg: #10160f;
  --surface: #1a231a;
  --border: #2a352a;
  --text: #eef4ec;
  --text-muted: #a3b3a8;
  --text-faint: #6f8075;

  --green: #4ade80;
  --green-dark: #22c55e;
  --green-soft: #163523;
  --lime: #bef264;

  --protein: #ff8a70;
  --protein-bg: #3a2019;
  --carbs: #ffc24d;
  --carbs-bg: #3a2c10;
  --fat: #2dd4bf;
  --fat-bg: #103430;

  --red: #f4756c;
  --red-bg: #3a1a17;
  --carbs-ink: #f0d9a0;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.35);
  --shadow-md: 0 6px 18px rgba(0,0,0,0.4);
}

:root[data-theme="light"] {
  --bg: #f6faf3;
  --surface: #ffffff;
  --border: #e7efe2;
  --text: #16261d;
  --text-muted: #5c6d61;
  --text-faint: #93a49a;

  --green: #16a34a;
  --green-dark: #0d7a37;
  --green-soft: #e7f8ec;
  --lime: #a3e635;

  --protein: #fb7159;
  --protein-bg: #ffe9e3;
  --carbs: #f6a609;
  --carbs-bg: #fef3dc;
  --fat: #14b8a6;
  --fat-bg: #dff8f4;

  --red: #e0433a;
  --red-bg: #fdeceb;
  --carbs-ink: #7a5304;

  --shadow-sm: 0 1px 2px rgba(20, 40, 25, 0.05), 0 1px 3px rgba(20, 40, 25, 0.07);
  --shadow-md: 0 6px 16px rgba(20, 60, 35, 0.09);
}

#app { min-height: 100vh; display: flex; flex-direction: column; }
.container { max-width: 880px; margin: 0 auto; padding: 20px 16px 56px; }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  overflow: hidden;
  background: linear-gradient(120deg, var(--green-dark), var(--green) 55%, var(--lime));
  box-shadow: var(--shadow-sm);
}
.topbar::before,
.topbar::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  pointer-events: none;
}
.topbar::before { width: 180px; height: 180px; top: -100px; right: 8%; }
.topbar::after { width: 110px; height: 110px; bottom: -70px; left: 4%; background: rgba(255, 255, 255, 0.1); }
.topbar-inner {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 19px; color: #fff; }
.brand-mark { font-size: 22px; }

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-width: 100%;
}
.tab-btn {
  flex: 0 0 auto;
  border: none;
  background: rgba(255,255,255,0.18);
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.tab-btn:hover { color: #fff; }
.tab-btn.active { background: #fff; color: var(--green-dark); box-shadow: var(--shadow-sm); }

.view.hidden { display: none; }

/* ---------- Hero ---------- */
.hero-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.hero-heading { display: flex; align-items: center; gap: 14px; }
.hero-icon { flex: 0 0 auto; width: 52px; height: 52px; }
.hero-icon svg { display: block; width: 100%; height: 100%; }
.hero-title { font-size: 26px; font-weight: 800; margin: 0 0 2px; letter-spacing: -0.01em; color: var(--text); text-wrap: balance; }
.hero-sub { color: var(--text-muted); margin: 0; font-size: 15px; }

/* ---------- Cards ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 20px 22px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
  animation: fadeInUp 0.28s ease both;
}
.card-title { font-size: 16px; font-weight: 800; margin: 0 0 14px; display: flex; align-items: center; gap: 6px; }

@media (prefers-reduced-motion: reduce) {
  .card, .recipe-card { animation: none; }
}

/* ---------- Buttons ---------- */
.btn {
  border: none;
  border-radius: 12px;
  padding: 11px 18px;
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.05s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: linear-gradient(120deg, var(--green-dark), var(--green)); color: #fff; }
.btn-primary:hover { filter: brightness(1.06); }
.btn-ghost { background: var(--green-soft); color: var(--green-dark); }
.btn-ghost:hover { filter: brightness(0.97); }
.btn-block { width: 100%; margin-top: 6px; font-size: 15.5px; padding: 13px 18px; }
.btn-reset { font-size: 13px; padding: 8px 14px; }

.link-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--green-dark);
  font-weight: 800;
  text-decoration: underline;
  cursor: pointer;
  font-size: inherit;
}

/* ---------- Plan form ---------- */
.field-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 620px) {
  .field-grid { grid-template-columns: 1fr 1fr; }
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field-full { margin-top: 16px; }
.field-label { font-size: 13px; font-weight: 700; color: var(--text-muted); }
.field-label em { color: var(--protein); font-style: normal; }

.field input[type="number"],
.field input[type="text"],
.field select {
  padding: 11px 12px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  background: var(--bg);
  color: var(--text);
  width: 100%;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--green); }

.unit-input-row { display: flex; gap: 8px; align-items: center; }
.unit-input-row input { flex: 1; min-width: 0; }
.unit-input-ftin { display: flex; gap: 6px; flex: 1; }
.unit-input-ftin input { width: 100%; }

.unit-toggle { display: flex; background: var(--bg); border: 1.5px solid var(--border); border-radius: 10px; padding: 2px; flex: 0 0 auto; }
.unit-btn {
  border: none;
  background: transparent;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
}
.unit-btn.active { background: var(--green); color: #fff; }

.restriction-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
@media (min-width: 480px) {
  .restriction-grid { grid-template-columns: repeat(3, 1fr); }
}
.restriction-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 10px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 13.5px;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.restriction-chip input { accent-color: var(--green); width: 16px; height: 16px; flex: 0 0 auto; }
.restriction-chip.checked { background: var(--green-soft); border-color: var(--green); }

/* ---------- Plan result ---------- */
.result-card { background: linear-gradient(160deg, var(--surface), var(--green-soft) 140%); }
.result-top { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: center; }
.calorie-block { text-align: center; }
.calorie-number { font-size: 46px; font-weight: 800; color: var(--green-dark); line-height: 1; }
.calorie-unit { font-size: 15px; font-weight: 700; color: var(--text-muted); margin-top: 2px; }
.calorie-clamped-note { font-size: 12.5px; color: var(--text-muted); margin-top: 8px; max-width: 240px; }

.macro-ring-wrap { position: relative; width: 168px; height: 168px; flex: 0 0 auto; }
.macro-ring { width: 168px; height: 168px; border-radius: 50%; }
.macro-ring-hole {
  position: absolute;
  top: 22px; left: 22px; right: 22px; bottom: 22px;
  background: var(--surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  box-shadow: inset 0 0 0 1px var(--border);
}
.macro-ring-hole .ring-cal { font-size: 20px; font-weight: 800; color: var(--text); }
.macro-ring-hole .ring-label { font-size: 11px; color: var(--text-faint); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }

.macro-legend { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.macro-legend-item { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.macro-dot { width: 12px; height: 12px; border-radius: 4px; flex: 0 0 auto; }
.macro-legend-name { font-weight: 700; flex: 0 0 auto; width: 62px; }
.macro-legend-grams { color: var(--text-muted); }
.macro-legend-pct { margin-left: auto; font-weight: 700; color: var(--text-muted); }

.result-summary {
  text-align: center;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text);
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-top: 20px;
  box-shadow: var(--shadow-sm);
}
.result-disclaimer { text-align: center; font-size: 12px; color: var(--text-faint); margin: 12px auto 0; max-width: 480px; }

/* ---------- Cook: ingredients ---------- */
.ingredient-form { display: flex; gap: 8px; }
.ingredient-form input { flex: 1; min-width: 0; padding: 11px 12px; border: 1.5px solid var(--border); border-radius: 10px; font-size: 15px; background: var(--bg); color: var(--text); }
.ingredient-form input:focus { outline: none; border-color: var(--green); }

.ingredient-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.ingredient-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--green-soft);
  color: var(--green-dark);
  border-radius: 999px;
  padding: 7px 8px 7px 14px;
  font-size: 13.5px;
  font-weight: 700;
}
.ingredient-chip button {
  border: none;
  background: rgba(0,0,0,0.08);
  color: inherit;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ingredient-empty { color: var(--text-faint); font-size: 13.5px; margin-top: 12px; }

.plan-nudge {
  background: var(--carbs-bg);
  color: var(--carbs-ink);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 14px;
  margin-bottom: 16px;
}
.plan-nudge .link-btn { color: inherit; }

.cook-meta-row { font-size: 13px; color: var(--text-muted); margin: -6px 0 14px; padding: 0 2px; }

/* ---------- Recipe grid ---------- */
.recipe-grid { display: flex; flex-direction: column; gap: 28px; }

.cuisine-section-heading {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
}
.cuisine-section-heading .cuisine-name { font-size: 17px; font-weight: 800; color: var(--green-dark); }
.cuisine-section-heading .cuisine-count { font-size: 12.5px; color: var(--text-muted); }

.recipe-subgrid { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 640px) {
  .recipe-subgrid { grid-template-columns: 1fr 1fr; }
}

.recipe-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px 18px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  animation: fadeInUp 0.28s ease both;
}
.recipe-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.recipe-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.recipe-name { font-size: 16.5px; font-weight: 800; margin: 0; }
.recipe-meta { font-size: 12.5px; color: var(--text-muted); margin: 3px 0 0; }

.goal-badge {
  flex: 0 0 auto;
  background: linear-gradient(120deg, var(--lime), var(--green));
  color: #0d3a1c;
  font-size: 10.5px;
  font-weight: 800;
  padding: 4px 9px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.missing-note {
  font-size: 12.5px;
  color: var(--carbs);
  font-weight: 700;
  margin: 8px 0 0;
}
.missing-note.ready { color: var(--green-dark); }

.recipe-ingredients { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.ing-tag { font-size: 12px; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); background: var(--bg); color: var(--text-muted); }
.ing-tag.have { background: var(--green-soft); color: var(--green-dark); border-color: transparent; font-weight: 700; }
.ing-tag.missing { background: var(--red-bg); color: var(--red); border-color: transparent; }

.recipe-macros { display: flex; gap: 14px; margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--border); flex-wrap: wrap; }
.macro-stat { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; }
.macro-stat-label { font-size: 10.5px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.03em; }
.macro-stat-value { font-size: 13.5px; font-weight: 700; color: var(--text); }
.macro-stat-label.cal { color: var(--text-muted); }
.macro-stat-label.protein { color: var(--protein); }
.macro-stat-label.carbs { color: var(--carbs); }
.macro-stat-label.fat { color: var(--fat); }

.diet-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.diet-tag { font-size: 10.5px; font-weight: 700; padding: 3px 8px; border-radius: 999px; background: var(--fat-bg); color: var(--fat); }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-faint);
  font-size: 14px;
  padding: 26px 4px;
  text-align: center;
}
.empty-state p { margin: 0; max-width: 360px; }
.empty-icon { width: 44px; height: 44px; flex: 0 0 auto; }

/* ---------- Snack finder ---------- */
.snack-ceiling-toggle { width: 100%; flex-wrap: wrap; }
.snack-ceiling-toggle .unit-btn { flex: 1 1 auto; text-align: center; padding: 9px 8px; }
.snack-surprise-btn { margin-top: 12px; }

.add-log-btn { margin-top: 12px; }

@keyframes snackHighlightPulse {
  0%, 100% { box-shadow: var(--shadow-sm); }
  50% { box-shadow: 0 0 0 4px var(--green-soft), var(--shadow-md); }
}
.snack-highlight {
  border-color: var(--green);
  animation: snackHighlightPulse 1.1s ease-in-out 2;
}

/* ---------- Today's log ---------- */
.log-progress-rows { display: flex; flex-direction: column; gap: 14px; }
.progress-row-top { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.progress-label { font-size: 13.5px; font-weight: 800; }
.progress-value { font-size: 13px; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.progress-bar { height: 9px; border-radius: 999px; background: var(--bg); border: 1px solid var(--border); overflow: hidden; }
.progress-fill { height: 100%; border-radius: 999px; transition: width 0.25s ease; }

.quick-add-form { display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 560px) {
  .quick-add-form { grid-template-columns: 2fr 1fr 1fr 1fr 1fr auto; align-items: center; }
}
.quick-add-form input {
  padding: 11px 12px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  background: var(--bg);
  color: var(--text);
  width: 100%;
}
.quick-add-form input:focus { outline: none; border-color: var(--green); }

.log-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--border);
}
.log-item:last-child { border-bottom: none; }
.log-item-main { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.log-item-name { font-size: 14.5px; font-weight: 700; }
.log-item-macros { font-size: 12.5px; color: var(--text-muted); }
.log-item-remove {
  flex: 0 0 auto;
  border: none;
  background: var(--red-bg);
  color: var(--red);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 13px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- About ---------- */
.about-card p { margin: 0 0 16px; font-size: 15px; color: var(--text); line-height: 1.6; }
.about-card p:last-child { margin-bottom: 0; }
.about-card strong { color: var(--green-dark); }
.about-card .about-contact {
  padding-top: 16px;
  margin-top: 4px;
  border-top: 1px dashed var(--border);
  font-size: 14px;
  color: var(--text-muted);
}
.about-card .about-contact a { color: var(--green-dark); font-weight: 700; text-decoration: underline; }

/* ---------- Footer ---------- */
.app-footer {
  text-align: center;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-faint);
  padding: 18px 16px 28px;
}

@media (max-width: 480px) {
  .calorie-number { font-size: 38px; }
  .card { padding: 16px; }
  .tab-btn { padding: 8px 12px; font-size: 13px; }
}