/* ============================================================
 * NutriFit-Planner 样式 / Stylesheet
 * ============================================================ */
:root {
  --green: #1f8a4c;
  --green-dark: #166b3a;
  --green-soft: #e6f4ec;
  --blue: #1565c0;
  --blue-soft: #e8f0fb;
  --red: #c62828;
  --red-soft: #fdecea;
  --orange: #e8710a;
  --orange-soft: #fdf2e7;
  --ink: #22312b;
  --muted: #6b7a73;
  --line: #dfe7e2;
  --bg: #f2f6f4;
  --card: #ffffff;
  --radius: 14px;
  --shadow: 0 2px 10px rgba(23, 60, 40, 0.06);
}

* { box-sizing: border-box; }

/* 关键：任何带 hidden 属性的元素必须真正隐藏，防止覆盖页面拦截点击 */
[hidden] { display: none !important; }

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 15px;
}

/* ---------- Header ---------- */
.app-header {
  background: linear-gradient(120deg, #17663a 0%, #1f8a4c 55%, #2ea463 100%);
  color: #fff;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo { font-size: 34px; filter: drop-shadow(0 2px 4px rgba(0,0,0,.2)); }
.brand-text h1 { margin: 0; font-size: 22px; letter-spacing: .4px; }
.tagline { margin: 2px 0 0; font-size: 13px; opacity: .9; }
.header-controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ctl-label { font-size: 12px; opacity: .85; }
.ctl-select {
  padding: 6px 10px; border-radius: 8px; border: 1px solid rgba(255,255,255,.4);
  background: rgba(255,255,255,.15); color: #fff; font-size: 13px; cursor: pointer;
}
.ctl-select option { color: #222; }

/* ---------- Stepper ---------- */
.stepper {
  display: flex; justify-content: center; gap: 6px;
  padding: 14px 16px; background: var(--card);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
  position: sticky; top: 0; z-index: 20;
}
.step-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 999px;
  background: #eef2f0; color: var(--muted);
  font-size: 13px; font-weight: 600; cursor: pointer;
  border: 1px solid transparent;
  user-select: none;
}
.step-item .step-num {
  width: 22px; height: 22px; border-radius: 50%;
  background: #d5ded9; color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px;
}
.step-item.active { background: var(--green); color: #fff; }
.step-item.active .step-num { background: rgba(255,255,255,.25); }
.step-item.done { background: var(--green-soft); color: var(--green-dark); }
.step-item.done .step-num { background: var(--green); }
.step-item[disabled] { pointer-events: none; }

/* ---------- Layout ---------- */
main { max-width: 1080px; margin: 0 auto; padding: 26px 18px 40px; }
.card {
  background: var(--card); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 24px 26px; margin-bottom: 22px;
}
.card h2 { margin: 0 0 6px; font-size: 20px; }
.card .subtitle { margin: 0 0 18px; color: var(--muted); font-size: 13.5px; }
.sub-card { border: 1px solid var(--line); box-shadow: none; }

/* ---------- Forms ---------- */
.form-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 16px 22px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field-wide { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: 13.5px; color: #33463e; }
.field .hint { font-size: 12px; color: var(--muted); }
.field input[type=number], .field select {
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 15px; background: #fbfdfc; color: var(--ink);
  outline: none; transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus {
  border-color: var(--green); box-shadow: 0 0 0 3px rgba(31,138,76,.12);
}
.radio-row { display: flex; gap: 10px; flex-wrap: wrap; }
.radio-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border: 1.5px solid var(--line); border-radius: 10px;
  cursor: pointer; font-size: 14px; background: #fbfdfc;
  transition: all .15s;
}
.radio-chip:hover { border-color: var(--green); }
.radio-chip input { accent-color: var(--green); margin: 0; }
.radio-chip.checked { border-color: var(--green); background: var(--green-soft); font-weight: 600; }
.checkbox-row { display: flex; align-items: center; gap: 10px; margin-top: 4px; }
.checkbox-row input { accent-color: var(--green); width: 17px; height: 17px; }
.checkbox-row label { font-size: 14px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 22px; border-radius: 10px; border: none;
  font-size: 14.5px; font-weight: 600; cursor: pointer;
  transition: all .15s; text-decoration: none;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); }
.btn-ghost {
  background: transparent; color: var(--green-dark);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { border-color: var(--green); background: var(--green-soft); }
.btn-white { background: rgba(255,255,255,.18); color: #fff; border: 1px solid rgba(255,255,255,.45); }
.btn-white:hover { background: rgba(255,255,255,.3); }
.btn-small { padding: 7px 14px; font-size: 13px; }
.btn-wide { width: 100%; margin-top: 14px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.step-actions {
  display: flex; justify-content: space-between; gap: 12px;
  margin-top: 22px; flex-wrap: wrap;
}

/* ---------- Warning boxes ---------- */
.warn-box {
  border-radius: 10px; padding: 12px 16px; margin: 12px 0;
  font-size: 13.5px; border-left: 5px solid var(--line); background: #f6f8f7;
}
.warn-box.warn-danger { border-left-color: var(--red); background: var(--red-soft); }
.warn-box.warn-warn  { border-left-color: var(--orange); background: var(--orange-soft); }
.warn-box.warn-info  { border-left-color: var(--blue); background: var(--blue-soft); }
.warn-box p { margin: 4px 0; }
.warn-box .ack { display: flex; gap: 8px; align-items: center; margin-top: 8px; font-weight: 600; }
.warn-box .ack input { accent-color: var(--red); width: 16px; height: 16px; }

/* ---------- Metric cards ---------- */
.result-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.metric-card {
  background: linear-gradient(160deg, #fbfefc, #f0f7f2);
  border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px;
}
.metric-card .m-label { font-size: 12.5px; color: var(--muted); font-weight: 600; }
.metric-card .m-value { font-size: 24px; font-weight: 700; margin: 4px 0 2px; color: var(--green-dark); }
.metric-card .m-sub { font-size: 12px; color: var(--muted); }
.metric-card.hl { background: var(--green-soft); border-color: #bfe3cd; }

/* ---------- Chips & badges ---------- */
.chip {
  display: inline-block; background: #eef2f0; color: #42534b;
  border-radius: 999px; padding: 2px 10px; font-size: 11.5px; margin: 2px 3px 2px 0;
  white-space: nowrap;
}
.chip-green { background: var(--green-soft); color: var(--green-dark); }
.chip-blue { background: var(--blue-soft); color: var(--blue); }
.chip-orange { background: var(--orange-soft); color: var(--orange); }
.chip-red { background: var(--red-soft); color: var(--red); }
.badge {
  display: inline-block; padding: 3px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 700;
}
.badge-green { background: var(--green); color: #fff; }
.badge-outline { border: 1.5px solid var(--green); color: var(--green-dark); }

/* ---------- Plan cards ---------- */
.plan-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.plan-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 22px; background: #fff;
  border-top: 5px solid var(--green);
  box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
.plan-card.recommended { outline: 2.5px solid var(--green); outline-offset: 2px; }
.plan-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.plan-icon { font-size: 26px; }
.plan-head h3 { margin: 0; font-size: 17px; flex: 1; }
.plan-desc { color: var(--muted); font-size: 13.5px; margin: 10px 0 14px; }
.plan-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
  background: #f6faf8; border-radius: 10px; padding: 12px;
  margin-bottom: 12px;
}
.stat { text-align: center; }
.stat b { display: block; font-size: 17px; color: var(--green-dark); }
.stat span { font-size: 11.5px; color: var(--muted); }
.plan-macros { font-size: 12.5px; color: #42534b; margin-bottom: 10px; background: #f2f5f3; border-radius: 8px; padding: 8px 12px; }
.plan-pros, .plan-cons { margin: 6px 0; padding-left: 20px; font-size: 13px; color: #42534b; }
.plan-cons { color: var(--muted); }
.plan-sample {
  font-size: 12.5px; color: var(--muted); border-top: 1px dashed var(--line);
  padding-top: 10px; margin-top: auto;
}
.plan-sample b { color: var(--green-dark); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
table.data { border-collapse: collapse; width: 100%; font-size: 14px; }
table.data th, table.data td {
  padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.data thead th { background: #f0f6f2; font-size: 12.5px; color: #33463e; white-space: nowrap; }
table.data tbody tr:hover { background: #f8fbf9; }
table.data tfoot td { background: #f0f6f2; font-weight: 600; }
table.data .num { text-align: right; white-space: nowrap; }
table.data tr.selected-row { background: var(--green-soft); }
table.data .hl-cell { color: var(--green-dark); font-weight: 700; }

/* ---------- Schedule ---------- */
.sched-summary {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px;
}
.sched-summary .chip { font-size: 12.5px; padding: 5px 12px; }
.sched-table td { min-width: 150px; }
.sched-table .day-col { font-weight: 700; white-space: nowrap; }
.dish { cursor: pointer; border-radius: 10px; padding: 4px 2px; }
.dish:hover { background: var(--green-soft); }
.dish-name { font-weight: 600; font-size: 14.5px; }
.dish-meta { font-size: 12.5px; color: var(--muted); }
.dish-tags { margin-top: 2px; }
.sched-notes { margin-top: 16px; }
.sched-notes ul { margin: 8px 0 0; padding-left: 20px; font-size: 13px; color: #42534b; }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(20, 40, 28, .45);
  display: flex; align-items: center; justify-content: center;
  z-index: 100; padding: 20px;
}
.modal {
  background: #fff; border-radius: var(--radius); width: 100%;
  max-width: 480px; max-height: 84vh; overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px 10px; position: sticky; top: 0; background: #fff;
}
.modal-head h3 { margin: 0; font-size: 17px; }
.modal-close {
  border: none; background: #eef2f0; border-radius: 50%;
  width: 30px; height: 30px; font-size: 16px; cursor: pointer; color: #42534b;
}
.modal-close:hover { background: #dfe7e2; }
.modal-body { padding: 4px 20px 20px; }
.modal-meta { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.modal-meta b { color: var(--green-dark); }
.modal-how { background: #f6faf8; border-radius: 10px; padding: 12px 14px; font-size: 13.5px; margin: 12px 0 0; }
.modal-steps { background: #f6faf8; border-radius: 10px; padding: 12px 16px; margin: 14px 0 0; }
.modal-steps ol { margin: 8px 0 0; padding-left: 22px; }
.modal-steps li { margin: 7px 0; font-size: 13.5px; line-height: 1.65; }
.modal-body table.data { margin-top: 8px; }

/* ---------- Ingredient browser ---------- */
details.ing-browser { margin-top: 18px; }
details.ing-browser summary {
  cursor: pointer; font-weight: 600; color: var(--green-dark);
  font-size: 14.5px; padding: 8px 0;
}
.ing-toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin: 10px 0; align-items: center; }
.ing-toolbar select {
  padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 13px;
}
.ing-table-wrap { max-height: 420px; overflow-y: auto; border: 1px solid var(--line); border-radius: 10px; }
.ing-table-wrap table { font-size: 12.5px; }

/* ---------- Footer ---------- */
.app-footer { background: #1d2b24; color: #cdd9d2; padding: 30px 28px 40px; }
.footer-inner { max-width: 1080px; margin: 0 auto; }
.footer-brand { font-weight: 700; color: #fff; font-size: 16px; }
.disclaimer {
  background: rgba(255,255,255,.05); border-radius: 12px;
  padding: 16px 20px; margin-top: 14px; font-size: 13px;
}
.disclaimer h4 { margin: 0 0 8px; color: #ffd9a0; font-size: 14px; }
.disclaimer ul { margin: 0; padding-left: 20px; }
.disclaimer li { margin: 4px 0; color: #b9c6bf; }
.footer-note { margin-top: 12px; font-size: 12px; color: #8fa099; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .form-grid { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: repeat(2, 1fr); }
  .plan-grid { grid-template-columns: 1fr; }
  .plan-stats { grid-template-columns: repeat(2, 1fr); }
  main { padding: 18px 12px 30px; }
  .card { padding: 18px 16px; }
}
@media (max-width: 480px) {
  .result-grid { grid-template-columns: 1fr; }
  .brand-text h1 { font-size: 18px; }
}