:root {
  --cream: #f6f1e6;
  --paper: #fffdf8;
  --ink: #1c2a24;
  --ink-soft: #3d4d45;
  --muted: #6e7c74;
  --line: #e6ddca;
  --line-strong: #d7cbb3;
  --green: #187a52;
  --green-deep: #0f5132;
  --green-soft: #e7f1ea;
  --amber: #c98519;
  --amber-soft: #fbf1dc;
  --tomato: #c14f45;
  --tomato-soft: #fbe9e5;
  --shadow: 0 14px 34px rgba(70, 52, 22, 0.07);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-num: "SF Pro Display", "DIN Alternate", "Segoe UI", var(--font);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1100px 600px at 85% -10%, #fdf6e6 0%, rgba(253, 246, 230, 0) 60%),
    radial-gradient(900px 500px at -10% 10%, #eef4ec 0%, rgba(238, 244, 236, 0) 55%),
    var(--cream);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

h1, h2, h3, h4, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button { font-family: inherit; }

/* ---------- header ---------- */
.topbar {
  max-width: 1300px;
  margin: 0 auto;
  padding: 30px 34px 18px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 14px; }

.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--green-deep);
  color: #bfe3cd;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 22px rgba(15, 81, 50, 0.22);
}

.brand-text h1 {
  font-size: 25px;
  letter-spacing: 0.02em;
  line-height: 1.2;
  font-weight: 700;
}

.brand-text h1 span {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
  margin-left: 6px;
  font-weight: 500;
}

.brand-text p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

.topbar-note {
  font-size: 12.5px;
  color: var(--muted);
  background: rgba(255, 253, 248, 0.7);
  border: 1px solid var(--line);
  padding: 7px 14px;
  border-radius: 999px;
}

/* ---------- layout ---------- */
.layout {
  max-width: 1300px;
  margin: 0 auto;
  padding: 8px 34px 30px;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 22px;
  align-items: start;
}

.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 24px 24px 22px;
  min-width: 0;
}

.builder { position: sticky; top: 18px; }

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.panel-head h2 { font-size: 18px; font-weight: 700; }

.panel-actions { display: flex; gap: 8px; }

/* ---------- buttons ---------- */
.ghost, .primary, .link {
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.12s ease;
}

.ghost:hover, .link:hover { background: #f4eee0; }

.ghost.danger:hover { background: var(--tomato-soft); border-color: #e8c3bd; color: var(--tomato); }

.link {
  border: none;
  padding: 2px 0;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.primary {
  width: 100%;
  background: var(--green-deep);
  border-color: var(--green-deep);
  color: #f6fbf7;
  font-size: 15px;
  font-weight: 600;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  margin-top: 6px;
  letter-spacing: 0.02em;
}

.primary:hover:not(:disabled) { background: #0b4229; transform: translateY(-1px); }

.primary:disabled {
  background: #cfd7cf;
  border-color: #cfd7cf;
  color: #fff;
  cursor: not-allowed;
  transform: none;
}

button:focus-visible, input:focus-visible, select:focus-visible, .chip:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* ---------- mode switch ---------- */
.mode-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  background: #f7f1e4;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 6px;
  position: relative;
}

.mode-switch label {
  position: relative;
  cursor: pointer;
  font-size: 13px;
  color: var(--ink-soft);
}

.mode-switch input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
}

.mode-switch label span {
  display: block;
  padding: 6px 14px;
  border-radius: 9px;
  transition: background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.mode-switch input:checked + span {
  background: var(--paper);
  color: var(--green-deep);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(70, 52, 22, 0.08);
}

.mode-hint {
  margin-left: auto;
  font-size: 11.5px;
  color: var(--muted);
  padding-right: 6px;
}

/* ---------- search ---------- */
.search-row {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.search {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0 12px;
  color: var(--muted);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.search:focus-within {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(24, 122, 82, 0.1);
}

.search input {
  border: none;
  outline: none;
  background: transparent;
  flex: 1;
  font-size: 13.5px;
  padding: 10px 0;
  color: var(--ink);
  font-family: inherit;
}

.search-row .ghost { white-space: nowrap; border-radius: var(--radius-md); }

/* ---------- tabs ---------- */
.tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
  margin-bottom: 10px;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar { display: none; }

.tab {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 12.5px;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.16s ease;
}

.tab:hover { background: #f4eee0; color: var(--ink-soft); }

.tab[aria-selected="true"] {
  background: var(--green-soft);
  border-color: #cfe2d6;
  color: var(--green-deep);
  font-weight: 600;
}

/* ---------- catalog ---------- */
.catalog {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  max-height: 284px;
  overflow-y: auto;
  padding: 2px 4px 6px 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}

.catalog::-webkit-scrollbar { width: 6px; }
.catalog::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 999px; }

.chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 9px 11px;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.16s ease, background 0.16s ease, transform 0.12s ease;
  min-width: 0;
}

.chip:hover { border-color: var(--green); background: #fbfdfb; transform: translateY(-1px); }

.chip.added { background: var(--green-soft); border-color: #cfe2d6; }

.chip-name {
  font-size: 13px;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.chip-kcal {
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}

.chip.added .chip-kcal { color: var(--green); }

.catalog-empty {
  grid-column: 1 / -1;
  font-size: 13px;
  color: var(--muted);
  padding: 22px 8px;
  text-align: center;
}

/* ---------- selected ---------- */
.selected-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin: 20px 0 10px;
  padding-top: 16px;
  border-top: 1px dashed var(--line-strong);
}

.selected-head h3 { font-size: 15px; font-weight: 700; }

.count {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--green);
  background: var(--green-soft);
  padding: 2px 9px;
  border-radius: 999px;
  margin-left: 4px;
  font-weight: 600;
}

.selected-tip { font-size: 11.5px; color: var(--muted); }

.selected-list { display: flex; flex-direction: column; gap: 8px; }

.selected-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  animation: rise 0.22s ease;
}

.sel-main { min-width: 0; flex: 1; }

.sel-name {
  font-size: 13.5px;
  font-weight: 600;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sel-meta {
  font-size: 11.5px;
  color: var(--muted);
  font-family: var(--font-num);
}

.stepper {
  display: flex;
  align-items: center;
  gap: 2px;
  background: #f7f1e4;
  border-radius: 999px;
  padding: 2px;
}

.stepper button {
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  border-radius: 999px;
  cursor: pointer;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1;
  display: grid;
  place-items: center;
}

.stepper button:hover { background: #fff; }

.stepper span {
  font-family: var(--font-num);
  font-size: 12px;
  min-width: 34px;
  text-align: center;
  color: var(--ink);
}

.remove {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 17px;
  cursor: pointer;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: grid;
  place-items: center;
}

.remove:hover { background: var(--tomato-soft); color: var(--tomato); }

.empty-selected {
  font-size: 12.5px;
  color: var(--muted);
  padding: 14px;
  text-align: center;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  margin-top: 2px;
}

.disclaimer {
  font-size: 11.5px;
  color: var(--muted);
  text-align: center;
  margin-top: 10px;
  line-height: 1.5;
}

/* ---------- report empty ---------- */
.report { min-height: 560px; display: flex; flex-direction: column; }

.report-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 30px 22px;
  gap: 14px;
}

.empty-art { opacity: 0.95; }

.report-empty h2 { font-size: 20px; }

.report-empty > p {
  font-size: 13.5px;
  color: var(--muted);
  max-width: 420px;
  line-height: 1.75;
}

.empty-points {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.empty-points li::before {
  content: "·";
  color: var(--green);
  font-weight: 700;
  margin-right: 8px;
}

/* ---------- report result ---------- */
.report-body { animation: rise 0.3s ease; }

.report-top {
  display: flex;
  align-items: center;
  gap: 22px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--line-strong);
}

.ring-wrap { position: relative; width: 128px; height: 128px; flex: none; }

.ring-wrap svg { transform: rotate(-90deg); }

.ring-bg { fill: none; stroke: #eee6d5; stroke-width: 10; }

.ring-value {
  fill: none;
  stroke-width: 10;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.8s cubic-bezier(.2, .8, .2, 1);
}

.ring-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.ring-score {
  font-family: var(--font-num);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}

.ring-unit { font-size: 11px; color: var(--muted); margin-top: 3px; letter-spacing: 0.08em; }

.report-headline { flex: 1; min-width: 0; }

.grade-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  padding: 3px 11px;
  border-radius: 999px;
  margin-bottom: 8px;
}

.grade-badge .letter {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
}

.tone-good { background: var(--green-soft); color: var(--green-deep); }
.tone-ok { background: #e9f2ef; color: #1d6b58; }
.tone-warn { background: var(--amber-soft); color: #95610f; }
.tone-bad { background: var(--tomato-soft); color: var(--tomato); }

.report-headline h2 { font-size: 19px; margin-bottom: 6px; }

.report-headline p { font-size: 13px; color: var(--muted); line-height: 1.7; }

.report-meta {
  margin-top: 8px;
  font-size: 11.5px;
  color: var(--muted);
  font-family: var(--font-num);
}

/* ---------- section titles ---------- */
.section-title {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 22px 0 12px;
}

.section-title h3 { font-size: 15px; font-weight: 700; }

.section-title span { font-size: 11.5px; color: var(--muted); }

/* ---------- dimensions ---------- */
.dims { display: flex; flex-direction: column; gap: 11px; }

.dim-row { display: grid; grid-template-columns: 84px 1fr 42px; gap: 12px; align-items: center; }

.dim-label { font-size: 12.5px; color: var(--ink-soft); }

.dim-bar {
  height: 8px;
  background: #f0e9da;
  border-radius: 999px;
  overflow: hidden;
}

.dim-fill {
  height: 100%;
  border-radius: 999px;
  width: 0;
  transition: width 0.7s cubic-bezier(.2, .8, .2, 1);
}

.dim-score {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--muted);
  text-align: right;
}

.dim-hint {
  grid-column: 2 / -1;
  font-size: 11px;
  color: var(--muted);
  margin-top: -6px;
}

/* ---------- metrics ---------- */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.metric {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.metric-label { font-size: 11px; color: var(--muted); }

.metric-value {
  font-family: var(--font-num);
  font-size: 16px;
  font-weight: 600;
  margin-top: 2px;
  line-height: 1.3;
}

.metric-value small { font-size: 10.5px; font-weight: 400; color: var(--muted); margin-left: 2px; }

.metric-track { height: 4px; background: #f0e9da; border-radius: 999px; margin-top: 7px; overflow: hidden; }

.metric-track i { display: block; height: 100%; border-radius: 999px; }

/* ---------- tags ---------- */
.tags { display: flex; flex-wrap: wrap; gap: 6px; }

.tag {
  font-size: 11.5px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  line-height: 1.5;
}

.tag.warn { background: var(--amber-soft); color: #8f5c0c; border-color: #efdfbe; }
.tag.bad { background: var(--tomato-soft); color: var(--tomato); border-color: #f0ccc6; }
.tag.good { background: var(--green-soft); color: var(--green-deep); border-color: #cfe2d6; }

/* ---------- suggestions ---------- */
.suggestions { display: flex; flex-direction: column; gap: 9px; }

.suggestion {
  display: flex;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

.suggestion-index {
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
  color: var(--green);
  background: var(--green-soft);
  border-radius: 8px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  flex: none;
  margin-top: 1px;
}

.suggestion h4 { font-size: 13px; margin-bottom: 2px; }

.suggestion p { font-size: 12.5px; color: var(--muted); line-height: 1.7; }

/* ---------- plan ---------- */
.plan-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.meal-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 12px 13px;
  background: #fff;
}

.meal-card h4 {
  font-size: 12.5px;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 7px;
}

.meal-dot { width: 7px; height: 7px; border-radius: 999px; display: inline-block; }

.meal-card ul { display: flex; flex-direction: column; gap: 4px; }

.meal-card li {
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.6;
  padding-left: 12px;
  position: relative;
}

.meal-card li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: var(--line-strong);
}

.plan-note {
  font-size: 12px;
  color: var(--muted);
  background: #f9f4e8;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-top: 10px;
  line-height: 1.7;
}

/* ---------- dialog ---------- */
.dialog {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 0;
  width: min(420px, calc(100vw - 32px));
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 24px 70px rgba(50, 35, 10, 0.22);
}

.dialog::backdrop { background: rgba(28, 42, 36, 0.35); backdrop-filter: blur(2px); }

.dialog form { padding: 24px; display: flex; flex-direction: column; gap: 14px; }

.dialog h2 { font-size: 18px; }

.dialog-sub { font-size: 12.5px; color: var(--muted); margin-top: -8px; }

.field { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; color: var(--ink-soft); }

.field input, .field select {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 9px 11px;
  font-size: 13.5px;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
}

.dialog-note { font-size: 11.5px; color: var(--muted); }

.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }

.dialog-actions .primary { width: auto; margin: 0; padding: 9px 20px; font-size: 13.5px; }

/* ---------- footer ---------- */
.site-footer {
  max-width: 1300px;
  margin: 0 auto;
  padding: 6px 34px 34px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 11.5px;
  color: var(--muted);
}

/* ---------- motion ---------- */
@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ---------- responsive ---------- */
@media (max-width: 1060px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .builder { position: static; }
  .catalog { max-height: 260px; }
  .report { min-height: auto; }
}

@media (max-width: 640px) {
  .topbar { padding: 22px 18px 12px; }
  .layout { padding: 6px 16px 24px; }
  .panel { padding: 18px 16px; border-radius: 18px; }
  .topbar-note { display: none; }
  .catalog { grid-template-columns: minmax(0, 1fr); max-height: 220px; }
  .report-top { flex-direction: column; align-items: flex-start; gap: 16px; }
  .ring-wrap { align-self: center; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plan-grid { grid-template-columns: 1fr; }
  .dim-row { grid-template-columns: 72px 1fr 36px; gap: 8px; }
  .site-footer { padding: 0 18px 26px; }
  .search-row { flex-wrap: wrap; }
  .search-row .ghost { width: 100%; }
}

@media print {
  body { background: #fff; }
  .builder, .topbar-note, .site-footer { display: none; }
  .layout { display: block; padding: 0; }
  .panel { box-shadow: none; border: none; }
}