:root {
  --bg: #f4f7f7;
  --surface: #ffffff;
  --text: #1b2626;
  --muted: #5b6b6b;
  --border: #d5dfdf;
  --accent: #0f6e6e;
  --accent-soft: #e2f1f1;
  --warn-bg: #fff6dd;
  --warn-text: #6b4e00;
  --danger: #b3261e;
  --danger-soft: #fdecea;
  --nurse: #2f6fb3;
  --physician: #7a3fa0;
  --radius: 12px;
  font-family: "Segoe UI", Tahoma, "Noto Sans Arabic", "Noto Sans", "Geeza Pro", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1616;
    --surface: #172121;
    --text: #e4eeee;
    --muted: #9db0b0;
    --border: #2c3b3b;
    --accent: #5cc6c6;
    --accent-soft: #1d3434;
    --warn-bg: #3a3014;
    --warn-text: #f3d98a;
    --danger: #ff8a80;
    --danger-soft: #3b1f1d;
    --nurse: #8bb8ea;
    --physician: #c89ae6;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.6; font-size: 16px; }
a { color: var(--accent); }
h1 { font-size: 1.35rem; margin: 0 0 .75rem; }
h2 { font-size: 1.1rem; margin: 0 0 .25rem; }
h3 { font-size: .95rem; margin: .75rem 0 .25rem; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.hint { color: var(--muted); font-size: .9rem; margin: 0 0 .5rem; }
.loading { padding: 2rem; text-align: center; }
.print-only { display: none; }

/* header / nav */
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .75rem 1rem; background: var(--surface); border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: .75rem; }
.brand-name { font-weight: 700; }
.brand-tag { font-size: .85rem; color: var(--muted); }
.badge { display: inline-block; font-size: .7rem; font-weight: 600; padding: .05rem .45rem; border-radius: 999px; background: var(--warn-bg); color: var(--warn-text); vertical-align: middle; }
.lang-btn { border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 999px; padding: .35rem .9rem; cursor: pointer; font: inherit; }
.site-nav { display: flex; gap: .25rem; overflow-x: auto; padding: .5rem 1rem; background: var(--surface); border-bottom: 1px solid var(--border); }
.site-nav a { white-space: nowrap; text-decoration: none; color: var(--text); padding: .35rem .8rem; border-radius: 999px; }
.site-nav a.active { background: var(--accent); color: #fff; }
.draft-notice { background: var(--warn-bg); color: var(--warn-text); padding: .5rem 1rem; font-size: .85rem; }
.net-status { background: var(--accent-soft); padding: .4rem 1rem; font-size: .85rem; }

.page { max-width: 1100px; margin: 0 auto; padding: 1rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; margin-bottom: 1rem; }

/* buttons & inputs */
.btn { display: inline-block; border: 1px solid var(--accent); color: var(--accent); background: transparent; border-radius: 8px; padding: .45rem 1rem; font: inherit; cursor: pointer; text-decoration: none; }
.btn.primary { background: var(--accent); color: #fff; }
input[type=number], input[type=date], select, textarea { font: inherit; padding: .4rem .5rem; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); }
textarea { width: 100%; }
.age-row { display: flex; flex-wrap: wrap; align-items: flex-end; gap: .75rem; margin-bottom: .75rem; }
.age-row label { display: flex; flex-direction: column; font-size: .85rem; color: var(--muted); gap: .2rem; }
.age-row input[type=number] { width: 6rem; }
.or { align-self: center; color: var(--muted); }
.error { color: var(--danger); }
.warn { background: var(--warn-bg); color: var(--warn-text); padding: .5rem .75rem; border-radius: 8px; }
.form-controls { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; }
.form-controls h1 { margin: 0; flex: 1 1 100%; }
.form-controls label { display: flex; gap: .5rem; align-items: center; }

/* plan */
.summary { display: flex; flex-direction: column; gap: .25rem; align-items: flex-start; }
.summary p { margin: 0 0 .5rem; }
.plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1rem; align-items: start; }
.plan-grid .card { margin: 0; }
.sec-catchup { border-inline-start: 4px solid var(--danger); }
.sec-due { border-inline-start: 4px solid var(--accent); }
.checklist { list-style: none; margin: 0; padding: 0; }
.check { display: flex; gap: .5rem; align-items: flex-start; padding: .35rem 0; border-bottom: 1px dashed var(--border); }
.check:last-child { border-bottom: 0; }
.check input { margin-top: .35rem; width: 1.1rem; height: 1.1rem; accent-color: var(--accent); flex: none; }
.check label { cursor: pointer; flex: 1; }
.check input:checked + label .check-title { text-decoration: line-through; color: var(--muted); }
.check-title { font-weight: 600; }
.check-body { display: block; font-size: .88rem; color: var(--muted); }
.if-abnormal { display: block; margin-top: .2rem; color: var(--text); }
.compact .check { padding: .15rem 0; }
.tag { display: inline-block; font-size: .7rem; padding: 0 .4rem; margin-inline-start: .35rem; border-radius: 999px; border: 1px solid currentColor; vertical-align: middle; font-weight: 500; }
.tag-nurse { color: var(--nurse); }
.tag-physician { color: var(--physician); }
.tool-link { display: inline-block; margin-top: .25rem; font-weight: 600; }
.catchup { list-style: none; margin: 0; padding: 0; }
.catchup li { padding: .5rem 0; border-bottom: 1px dashed var(--border); }
.catchup li:last-child { border-bottom: 0; }
.choice { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .35rem; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice label { border: 1px solid var(--border); border-radius: 999px; padding: .2rem .8rem; cursor: pointer; font-size: .88rem; }
.choice input:checked + label { background: var(--accent); border-color: var(--accent); color: #fff; }
.choice input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: 2px; }
details { margin: .35rem 0; }
summary { cursor: pointer; font-weight: 600; }
.risk { border-bottom: 1px dashed var(--border); padding-bottom: .35rem; }
.risk ul { margin: .25rem 0; padding-inline-start: 1.25rem; font-size: .9rem; }
.risk p { margin: .25rem 0; font-size: .9rem; }

/* paper (form, sheets) */
.paper { background: #fff; color: #111; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; max-width: 210mm; margin: 0 auto 1rem; }
.visit-form { font-size: 12px; line-height: 1.35; }
.visit-form h4 { margin: .6rem 0 .25rem; padding: .15rem .4rem; background: #e7f0f0; border-radius: 4px; font-size: 12px; }
.f-head { border-bottom: 2px solid #0f6e6e; margin-bottom: .5rem; padding-bottom: .25rem; }
.f-title { font-size: 15px; font-weight: 700; }
.f-sub, .f-muted { color: #555; font-size: 11px; }
.f-fields { display: grid; grid-template-columns: repeat(3, 1fr); gap: .3rem 1rem; }
.f-fields.two { grid-template-columns: repeat(2, 1fr); margin-top: .5rem; }
.f-field, .f-measure { display: flex; gap: .3rem; align-items: flex-end; }
.f-field span:first-child, .f-measure span:first-child { white-space: nowrap; }
.line { flex: 1; border-bottom: 1px solid #777; min-height: 1.1em; display: inline-block; min-width: 3rem; }
.f-measures { display: grid; grid-template-columns: repeat(3, 1fr); gap: .3rem 1rem; }
.f-cols { columns: 2; column-gap: 1.25rem; }
.f-check { break-inside: avoid; padding: .08rem 0; display: flex; gap: .3rem; align-items: baseline; }
.box { display: inline-block; width: 11px; height: 11px; border: 1.2px solid #333; border-radius: 2px; flex: none; }
.f-table { width: 100%; border-collapse: collapse; }
.f-table th, .f-table td { border: 1px solid #bbb; padding: .15rem .35rem; text-align: start; }
.f-table td:not(:first-child), .f-table th:not(:first-child) { text-align: center; width: 4.5rem; }
.f-lines { display: flex; flex-direction: column; gap: .7rem; padding: .3rem 0; }
.f-lines .line { display: block; }

/* schedule */
.table-scroll { overflow-x: auto; }
.matrix, .vaccine-table { border-collapse: collapse; width: 100%; background: var(--surface); font-size: .85rem; }
.matrix th, .matrix td, .vaccine-table th, .vaccine-table td { border: 1px solid var(--border); padding: .3rem .4rem; text-align: center; }
.matrix thead th { white-space: nowrap; }
.matrix tbody th, .vaccine-table th { text-align: start; font-weight: 600; white-space: nowrap; }
.matrix td.on { background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.vaccine-table td { text-align: start; }
.wallchart h2 { margin-top: 1.25rem; }

/* education */
.sheet-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.sheet-card { text-decoration: none; color: var(--text); margin: 0; }
.sheet-card ul { padding-inline-start: 1.1rem; margin: .5rem 0 0; color: var(--muted); font-size: .9rem; }
.sheet h1 { color: #0f6e6e; }
.sheet h2 { color: #0f6e6e; margin-top: .75rem; }
.sheet ul { margin: .25rem 0; padding-inline-start: 1.25rem; }
.key-messages { background: #e2f1f1; border-radius: 8px; padding: .5rem .75rem; font-weight: 600; }
.danger { background: #fdecea; border-radius: 8px; padding: .5rem .75rem; margin-top: .75rem; }
.danger h2 { color: #b3261e; margin-top: 0; }
.sheet-foot { margin-top: 1rem; font-size: .75rem; color: #666; border-top: 1px solid #ddd; padding-top: .35rem; }

/* autism / questionnaire */
.tool-links { display: flex; flex-wrap: wrap; gap: .5rem; margin: .5rem 0 1rem; }
.questionnaire { padding-inline-start: 1.25rem; }
.questionnaire li { padding: .4rem 0; border-bottom: 1px dashed var(--border); }
.questionnaire p { margin: 0; }
.result { padding: .75rem; border-radius: 8px; background: var(--accent-soft); margin: 1rem 0; }
.result.level-medium { background: var(--warn-bg); color: var(--warn-text); }
.result.level-high { background: var(--danger-soft); color: var(--danger); }

.prose h2 { margin-top: 1.25rem; }
.prose ul { padding-inline-start: 1.25rem; }
.principle { font-size: 1.15rem; font-weight: 700; color: var(--accent); }
code { background: var(--accent-soft); padding: 0 .3rem; border-radius: 4px; }

@media (max-width: 600px) {
  .page { padding: .75rem 16px; }
  .plan-grid { grid-template-columns: 1fr; }
  .brand-tag { display: none; }
  .paper { padding: .75rem; }
  .f-fields, .f-measures { grid-template-columns: 1fr 1fr; }
}

@media print {
  @page { size: A4; margin: 10mm; }
  @page wall { size: A4 landscape; margin: 8mm; }
  .wallchart { page: wall; }
  :root { color-scheme: light; }
  body { background: #fff; color: #000; }
  .no-print, .site-header, .site-nav, .draft-notice, .net-status { display: none !important; }
  .print-only { display: block; }
  .page { padding: 0; max-width: none; }
  .paper { border: 0; padding: 0; margin: 0; max-width: none; }
  .card { border: 0; padding: 0; }
  .wallchart { color: #000; }
  .matrix, .vaccine-table { background: #fff; font-size: 10px; }
  .matrix th, .matrix td, .vaccine-table th, .vaccine-table td { border-color: #999; color: #000; }
  .matrix td.on { background: #dcebeb; color: #000; }
  .visit-form h4, .key-messages, .danger, .matrix td.on { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}