/* ============================================================
 * جُرعة (Jur3ah) — style.css
 * ------------------------------------------------------------
 * نظام التصميم: لوحة "زجاج بحري" خليجية (تيل عميق + نعناعي فاتح)
 * وخط IBM Plex Sans Arabic، مع توقيع بصري بشكل القطرة.
 * الوضع الليلي عبر data-theme على عنصر html مع احترام تفضيل النظام.
 * ============================================================ */

/* ---------- 1) الرموز اللونية (الوضع النهاري) ---------- */
:root {
  color-scheme: light;

  --bg:            #F2F7F4;
  --surface:       #FFFFFF;
  --surface-2:     #EDF5F1;
  --text:          #122E29;
  --muted:         #5B7370;
  --border:        #B8D4CC;

  --primary:       #0E8C7A;
  --primary-strong:#0A6153;
  --primary-soft:  #E1F3EF;
  --grad:          linear-gradient(135deg, #17B79A, #0A6153);

  --ok:            #1E8E5A;
  --ok-soft:       #E5F5EC;
  --warn-text:     #8A5A0B;
  --warn-soft:     #FBF3E2;
  --warn-border:   #EFD9A8;
  --danger:        #C2402F;
  --danger-soft:   #FBEAE7;

  --ring:          0 0 0 4px rgba(14, 140, 122, 0.18);
  --shadow:        0 12px 32px -14px rgba(14, 42, 38, 0.20);
  --radius-lg:     20px;
  --radius-md:     14px;

  --glow-1:        #DFF3EA;
  --glow-2:        #E9F2F6;

  --font: "IBM Plex Sans Arabic", "Segoe UI", Tahoma, Arial, sans-serif;
  --font-eq: "IBM Plex Mono", ui-monospace, "SF Mono", Consolas, monospace;
}

/* ---------- 2) الرموز اللونية (الوضع الليلي) ---------- */
[data-theme="dark"] {
  color-scheme: dark;

  --bg:            #0A1614;
  --surface:       #10201C;
  --surface-2:     #152823;
  --text:          #E4F1EC;
  --muted:         #93ACA5;
  --border:        #21382F;

  --primary:       #2FC4AB;
  --primary-strong:#7BE3CF;
  --primary-soft:  #12312A;
  --grad:          linear-gradient(135deg, #1FA98D, #0C6B58);

  --ok:            #4CC98A;
  --ok-soft:       #102A1D;
  --warn-text:     #EFC377;
  --warn-soft:     #2A2113;
  --warn-border:   #4A3A1C;
  --danger:        #F0836F;
  --danger-soft:   #331711;

  --ring:          0 0 0 4px rgba(47, 196, 171, 0.25);
  --shadow:        0 14px 34px -14px rgba(0, 0, 0, 0.55);

  --glow-1:        #0F2C25;
  --glow-2:        #0D2029;
}

/* تفضيل النظام قبل أن يختار المستخدم يدويًا */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    color-scheme: dark;
    --bg: #0A1614; --surface: #10201C; --surface-2: #152823;
    --text: #E4F1EC; --muted: #93ACA5; --border: #21382F;
    --primary: #2FC4AB; --primary-strong: #7BE3CF; --primary-soft: #12312A;
    --grad: linear-gradient(135deg, #1FA98D, #0C6B58);
    --ok: #4CC98A; --ok-soft: #102A1D;
    --warn-text: #EFC377; --warn-soft: #2A2113; --warn-border: #4A3A1C;
    --danger: #F0836F; --danger-soft: #331711;
    --ring: 0 0 0 4px rgba(47, 196, 171, 0.25);
    --shadow: 0 14px 34px -14px rgba(0, 0, 0, 0.55);
    --glow-1: #0F2C25; --glow-2: #0D2029;
  }
}

/* ---------- 3) أساسيات ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

/* ضمان إخفاء أي عنصر يحمل hidden مهما كانت قيمة display الخاصة به */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(58rem 38rem at 88% -12%, var(--glow-1), transparent 70%),
    radial-gradient(48rem 34rem at -18% 108%, var(--glow-2), transparent 70%),
    var(--bg);
  background-attachment: fixed;
  transition: background-color 0.3s ease, color 0.3s ease;
  padding-bottom: env(safe-area-inset-bottom);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-underline-offset: 3px; }
a:hover { color: var(--primary-strong); }

:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  border-radius: 6px;
}

.container {
  width: min(100% - 2rem, 620px);
  margin-inline: auto;
}

/* رابط التخطي لقارئات الشاشة */
.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  top: -3.5rem;
  z-index: 100;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.5rem 1rem;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 0.75rem; }

/* نص للقارئات فقط */
.sr-announce {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 4) الترويسة ---------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: min(100% - 2rem, 620px);
  margin-inline: auto;
  padding: 0.7rem 0.25rem;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
}
.brand__mark { width: 38px; height: 38px; border-radius: 11px; }
.brand__name { font-weight: 700; font-size: 1.2rem; letter-spacing: 0.2px; }

.app-header__actions { display: flex; align-items: center; gap: 0.5rem; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-width: 42px;
  height: 42px;
  padding: 0 0.6rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.15s ease, background 0.2s ease;
}
.icon-btn:hover { border-color: var(--primary); }
.icon-btn:active { transform: scale(0.95); }
.icon-btn svg { width: 20px; height: 20px; }

.install-btn { color: var(--primary-strong); border-color: var(--primary); }

/* أيقونة القمر/الشمس حسب الوضع الحالي */
#theme-toggle .icon-sun { display: none; }
#theme-toggle .icon-moon { display: block; }
[data-theme="dark"] #theme-toggle .icon-sun { display: block; }
[data-theme="dark"] #theme-toggle .icon-moon { display: none; }

/* ---------- 5) الواجهات (التنقل بين الشاشات) ---------- */
.view { padding-block: 0.5rem 2.5rem; }
.view.is-active { animation: view-in 0.35s ease both; }

@keyframes view-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- 6) الشاشة الرئيسية ---------- */
.hero { text-align: center; padding-block: 1.25rem 1.75rem; }

.hero__logo {
  width: 92px;
  height: 92px;
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.hero__shine { animation: shine 4s ease-in-out infinite alternate; transform-origin: center; }

@keyframes shine {
  from { opacity: 0.25; transform: scale(0.9); }
  to   { opacity: 0.7;  transform: scale(1.15); }
}

.hero__title {
  margin: 1rem 0 0.35rem;
  font-size: clamp(1.7rem, 6vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.3px;
}
.hero__subtitle {
  margin: 0 auto;
  max-width: 32rem;
  color: var(--muted);
  font-size: 0.98rem;
}

/* بطاقات اختيار الحاسبة */
.calc-nav { display: grid; gap: 0.85rem; }

.calc-card {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1.05rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: var(--text);
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.calc-card:hover { transform: translateY(-2px); border-color: var(--primary); color: var(--text); }
.calc-card:active { transform: scale(0.985); }

.calc-card__icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  flex: none;
  font-size: 1.55rem;
  background: var(--primary-soft);
  border-radius: 15px;
}
.calc-card__text { display: grid; gap: 0.1rem; min-width: 0; }
.calc-card__title { font-weight: 700; font-size: 1.02rem; }
.calc-card__desc { color: var(--muted); font-size: 0.85rem; }
.calc-card__arrow { width: 22px; height: 22px; margin-inline-start: auto; flex: none; color: var(--muted); }

/* بطاقة المعلومات الطبية */
.info-card {
  margin-top: 1.5rem;
  padding: 1.25rem 1.2rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.info-card__title { margin: 0 0 0.9rem; font-size: 1.05rem; font-weight: 700; }

.formula-grid { display: grid; gap: 0.75rem; }
@media (min-width: 540px) { .formula-grid { grid-template-columns: 1fr 1fr; } }

.formula-chip {
  padding: 0.85rem 0.95rem;
  background: var(--surface-2);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
}
.formula-chip__name { margin: 0; font-size: 0.86rem; font-weight: 700; }
.formula-chip__eq {
  margin: 0.35rem 0;
  font-family: var(--font-eq);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--primary-strong);
}
.formula-chip__hint { margin: 0; color: var(--muted); font-size: 0.82rem; }

.info-card__note { color: var(--muted); font-size: 0.88rem; margin: 0.9rem 0 0.6rem; }

.refs summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 0.92rem;
  padding-block: 0.4rem;
  color: var(--primary-strong);
}
.refs__list { margin: 0.35rem 0 0.4rem; padding-inline-start: 1.2rem; color: var(--muted); font-size: 0.88rem; }
.refs__list li { margin-block: 0.25rem; }
.refs__list li::marker { color: var(--primary); }

/* ---------- 7) شاشات الحاسبات ---------- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1rem;
  padding: 0.5rem 0.95rem 0.5rem 1.05rem;
  min-height: 44px;
  font-size: 0.94rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--primary-strong);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 999px;
  box-shadow: 0 3px 10px -6px rgba(14, 42, 38, 0.25);
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}
.back-link:hover { border-color: var(--primary); background: var(--primary-soft); }
.back-link:active { transform: scale(0.97); }
.back-link:focus-visible { outline: none; box-shadow: var(--ring); }
.back-link svg { width: 18px; height: 18px; }

.view-head { display: flex; align-items: flex-start; gap: 0.8rem; margin-bottom: 1.2rem; }
.view-head__icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  flex: none;
  font-size: 1.5rem;
  background: var(--primary-soft);
  border-radius: 15px;
}
.view-head__title { margin: 0; font-size: 1.3rem; font-weight: 700; }
.view-head__title:focus-visible { outline: none; }
.view-head__eq { margin: 0.15rem 0 0; color: var(--muted); font-size: 0.88rem; }
.view-head__eq bdi { font-family: var(--font-eq); font-size: 0.84rem; }

/* النماذج */
.calc-form {
  display: grid;
  gap: 1.05rem;
  padding: 1.25rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.field { display: grid; gap: 0.35rem; }
.field label { font-weight: 700; font-size: 0.95rem; }
.field__unit { color: var(--muted); font-weight: 400; font-size: 0.85rem; }

.field input {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  direction: ltr;
  text-align: center;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input::placeholder { color: color-mix(in srgb, var(--muted) 65%, transparent); font-weight: 400; }
.field input:focus { outline: none; border-color: var(--primary); box-shadow: var(--ring); }
.field input[aria-invalid="true"] {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--danger) 15%, transparent);
}

.field__hint { margin: 0; color: var(--muted); font-size: 0.82rem; }
.field__error {
  margin: 0;
  color: var(--danger);
  font-size: 0.84rem;
  font-weight: 500;
}
.field__error::before { content: "⚠ "; }

/* المفتاح المقسّم (بالغ/طفل، طريقة الحساب) */
.segment-field { border: 0; margin: 0; padding: 0; display: grid; gap: 0.35rem; }
.segment-field legend { padding: 0; font-weight: 700; font-size: 0.95rem; margin-bottom: 0.35rem; }

.segment {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 4px;
  padding: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.segment input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.segment label {
  display: grid;
  place-items: center;
  padding: 0.6rem 0.5rem;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
.segment input:checked + label {
  background: var(--surface);
  color: var(--primary-strong);
  font-weight: 700;
  box-shadow: 0 2px 8px -2px rgba(0, 0, 0, 0.18);
}
.segment input:focus-visible + label { outline: 3px solid var(--primary); outline-offset: 1px; }

#child-fields { display: grid; gap: 1.05rem; }
#child-fields[hidden] { display: none; }

/* زر الحساب الرئيسي */
.btn-primary {
  padding: 0.95rem 1rem;
  border: 0;
  border-radius: var(--radius-md);
  background: var(--grad);
  color: #FFFFFF;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.2px;
  cursor: pointer;
  box-shadow: 0 10px 22px -10px rgba(10, 97, 83, 0.55);
  transition: transform 0.15s ease, filter 0.2s ease;
}
.btn-primary:hover { filter: brightness(1.06); }
.btn-primary:active { transform: scale(0.985); }

/* ---------- 8) بطاقات النتائج ---------- */
.result-card {
  margin-top: 1.3rem;
  padding: 1.4rem 1.2rem 1.1rem;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.result-card.is-visible { animation: result-pop 0.4s cubic-bezier(0.2, 0.9, 0.3, 1.2) both; }

@keyframes result-pop {
  from { opacity: 0; transform: scale(0.94) translateY(8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.result-card__drop {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin: 0 auto 0.4rem;
  font-size: 1.35rem;
  background: var(--primary-soft);
  border-radius: 50% 50% 50% 12px; /* لمسة القطرة */
}
.result-card__label { margin: 0; color: var(--muted); font-size: 0.92rem; font-weight: 500; }

.result-card__value {
  margin: 0.15rem 0 0.1rem;
  font-size: clamp(2.5rem, 10vw, 3.1rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--primary-strong);
  line-height: 1.2;
}
.result-card__unit {
  margin-inline-start: 0.45rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--muted);
}

.result-card__detail { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.9rem; }
.result-card__detail bdi { font-family: var(--font-eq); font-size: 0.85rem; }

.result-card__warn {
  margin: 0.7rem 0 0;
  padding: 0.55rem 0.8rem;
  background: var(--warn-soft);
  border: 1px solid var(--warn-border);
  border-radius: 10px;
  color: var(--warn-text);
  font-size: 0.86rem;
  font-weight: 500;
}

.result-card__reminder {
  margin: 0.9rem 0 0;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--border);
  color: var(--muted);
  font-size: 0.8rem;
}

/* حالة "لا حاجة لجرعة" وحالة التنبيه */
.result-card--ok { border-color: var(--ok); }
.result-card--ok .result-card__drop { background: var(--ok-soft); }
.result-card--ok .result-card__label { color: var(--ok); font-weight: 700; font-size: 1.15rem; }

.result-card--alert { border-color: var(--danger); }
.result-card--alert .result-card__drop { background: var(--danger-soft); }
.result-card--alert .result-card__label { color: var(--danger); font-weight: 700; font-size: 1.15rem; }
.result-card--alert .result-card__detail { color: var(--text); }

/* صفوف نتائج حاسبة المعاملات */
.result-rows { display: grid; gap: 0.6rem; margin-top: 0.8rem; text-align: start; }

.result-row {
  padding: 0.75rem 0.95rem;
  background: var(--surface-2);
  border-radius: var(--radius-md);
}
.result-row__name { margin: 0; color: var(--muted); font-size: 0.85rem; font-weight: 500; }
.result-row__value {
  margin: 0.1rem 0 0;
  font-size: 1.45rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--primary-strong);
}
.result-row__value .u { font-size: 0.82rem; font-weight: 500; color: var(--muted); }
.result-row__hint { margin: 0.1rem 0 0; color: var(--muted); font-size: 0.8rem; }

/* ---------- 9) التذييل ---------- */
.app-footer {
  width: min(100% - 2rem, 620px);
  margin: 0 auto;
  padding: 1.5rem 0 2.2rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.app-footer__sadaqah { margin: 0 0 1rem; font-size: 0.95rem; font-weight: 500; }

.app-footer__warning {
  padding: 0.9rem 1rem;
  background: var(--warn-soft);
  border: 1px solid var(--warn-border);
  border-radius: var(--radius-md);
  color: var(--warn-text);
  font-size: 0.88rem;
  text-align: start;
}
.app-footer__warning p { margin: 0; }
.app-footer__warning-title { font-weight: 700; margin-bottom: 0.2rem !important; }

.app-footer__privacy { margin: 1rem 0 0.4rem; color: var(--muted); font-size: 0.8rem; }
.app-footer__credit {
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.4px;
  direction: ltr;
}

.noscript-msg {
  margin: 2rem auto;
  padding: 1rem;
  max-width: 30rem;
  text-align: center;
  background: var(--warn-soft);
  border: 1px solid var(--warn-border);
  border-radius: var(--radius-md);
  color: var(--warn-text);
}

/* ---------- 10) شريط التنقل العلوي ---------- */
.app-header { flex-wrap: wrap; }
.top-nav {
  flex-basis: 100%;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding-top: 0.55rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.top-nav::-webkit-scrollbar { display: none; }
.top-nav a {
  flex: none;
  padding: 0.4rem 0.7rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  border-radius: 999px;
  border: 1.5px solid transparent;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}
.top-nav a:hover { color: var(--primary-strong); background: var(--primary-soft); }
.top-nav a[aria-current="page"] {
  color: var(--primary-strong);
  background: var(--primary-soft);
  border-color: color-mix(in srgb, var(--primary) 35%, transparent);
}
.top-nav a:focus-visible { outline: none; box-shadow: var(--ring); }

/* ---------- 11) مكتبة الأطعمة ---------- */
.food-lib {
  padding: 1rem;
  background: var(--surface);
  border: 2px solid var(--primary-soft);
  border-radius: var(--radius-md);
  display: grid;
  gap: 0.7rem;
  box-shadow: 0 2px 12px -4px rgba(14, 140, 122, 0.12);
}
.food-lib__title { margin: 0; font-weight: 700; font-size: 1rem; }
.food-lib__sub { margin: -0.45rem 0 0; color: var(--muted); font-size: 0.84rem; }

.food-search-wrap { position: relative; }
#food-search,
#food-search-2 {
  width: 100%;
  padding: 0.8rem 2.6rem 0.8rem 1rem;
  font-family: inherit;
  font-size: 16px;
  color: var(--text);
  background: var(--surface);
  border: 2px solid var(--primary);
  border-radius: var(--radius-md);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#food-search::placeholder, #food-search-2::placeholder { color: color-mix(in srgb, var(--muted) 65%, transparent); }
#food-search:focus, #food-search-2:focus { outline: none; border-color: var(--primary-strong); box-shadow: var(--ring); }
#food-search::-webkit-search-cancel-button, #food-search-2::-webkit-search-cancel-button { -webkit-appearance: none; }

.food-results {
  position: absolute;
  inset-inline: 0;
  top: calc(100% + 6px);
  z-index: 30;
  margin: 0;
  padding: 0.35rem;
  list-style: none;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  max-height: 310px;
  overflow-y: auto;
  display: grid;
  gap: 2px;
}
.food-result {
  display: grid;
  gap: 2px;
  width: 100%;
  padding: 0.6rem 0.75rem;
  text-align: start;
  font-family: inherit;
  color: var(--text);
  background: transparent;
  border: none;
  border-radius: 10px;
  cursor: pointer;
}
.food-result:hover, .food-result:focus-visible {
  outline: none;
  background: var(--primary-soft);
}
.food-result__name { font-weight: 600; font-size: 0.95rem; }
.food-result__meta { color: var(--muted); font-size: 0.8rem; }
.food-result__meta b { color: var(--primary-strong); font-variant-numeric: tabular-nums; }

.food-picked {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}
.food-item {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.65rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  animation: result-pop 0.28s ease;
}
.food-item__info { display: grid; min-width: 0; }
.food-item__info b { font-size: 0.92rem; font-weight: 600; }
.food-item__info small { color: var(--muted); font-size: 0.76rem; }
.food-item__qty {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px;
}
.food-item__qty button {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-strong);
  background: transparent;
  border: none;
  border-radius: 999px;
  cursor: pointer;
}
.food-item__qty button:hover { background: var(--primary-soft); }
.food-item__qty button:focus-visible { outline: none; box-shadow: var(--ring); }
.food-item__count {
  min-width: 2ch;
  text-align: center;
  font-size: 0.92rem;
  font-variant-numeric: tabular-nums;
}
.food-item__carbs {
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
  color: var(--primary-strong);
  white-space: nowrap;
}
.food-item__del {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  font-size: 1.05rem;
  color: var(--danger);
  background: transparent;
  border: none;
  border-radius: 999px;
  cursor: pointer;
}
.food-item__del:hover { background: var(--danger-soft); }
.food-item__del:focus-visible { outline: none; box-shadow: var(--ring); }

.food-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.65rem 0.8rem;
  background: var(--primary-soft);
  border-radius: var(--radius-md);
}
.food-total__text { margin: 0; font-size: 0.92rem; }
.food-total__text b { color: var(--primary-strong); font-variant-numeric: tabular-nums; }
.food-clear {
  padding: 0.45rem 0.85rem;
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--danger);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
}
.food-clear:hover { border-color: var(--danger); background: var(--danger-soft); }
.food-clear:focus-visible { outline: none; box-shadow: var(--ring); }

.food-lib__note { margin: 0; color: var(--muted); font-size: 0.78rem; line-height: 1.6; }

/* ومضة تعبئة حقل الكربوهيدرات تلقائيًا */
@keyframes field-pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--primary) 45%, transparent); border-color: var(--primary); }
  100% { box-shadow: 0 0 0 12px transparent; }
}
.field input.is-pulsing { animation: field-pulse 0.7s ease; }

/* ---------- 12) صفحات من نحن والتواصل ---------- */
.view-head__sub { margin: 0.15rem 0 0; color: var(--muted); font-size: 0.88rem; }

.page-card {
  padding: 1.1rem 1.15rem;
  margin-bottom: 0.9rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  line-height: 1.9;
}
.page-card p { margin: 0 0 0.7rem; }
.page-card p:last-child { margin-bottom: 0; }
.page-card__title { margin: 0 0 0.75rem; font-size: 1.02rem; }
.page-card--note {
  background: var(--warn-soft);
  border-color: var(--warn-border);
  color: var(--warn-text);
}

.goals-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}
.goals-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  line-height: 1.7;
}
.goals-list__icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  font-size: 1rem;
  background: var(--primary-soft);
  border-radius: 10px;
}

/* حقول نموذج التواصل النصية بالاتجاه العربي */
#contact-name {
  direction: rtl;
  text-align: start;
  font-size: 1rem;
}
#contact-email { text-align: start; font-size: 1rem; }
.field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  font-size: max(1rem, 16px);
  line-height: 1.8;
  color: var(--text);
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  resize: vertical;
  min-height: 130px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field textarea::placeholder { color: color-mix(in srgb, var(--muted) 65%, transparent); }
.field textarea:focus { outline: none; border-color: var(--primary); box-shadow: var(--ring); }
.field textarea[aria-invalid="true"] {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--danger) 15%, transparent);
}
.bot-field { position: absolute; opacity: 0; pointer-events: none; height: 0; margin: 0; overflow: hidden; }

.app-footer__links { margin-top: 0.4rem; font-size: 0.85rem; }
.app-footer__links a { color: var(--primary-strong); font-weight: 600; text-decoration: none; }
.app-footer__links a:hover { text-decoration: underline; }

/* ---------- 13) وضع الطبيب والحقول المقفلة ---------- */
.doctor-strip {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.9rem;
  padding: 0.8rem 0.95rem;
  text-decoration: none;
  color: var(--text);
  background: var(--surface);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-md);
  transition: border-color 0.18s ease, background 0.18s ease;
}
.doctor-strip:hover { border-color: var(--primary); background: var(--primary-soft); }
.doctor-strip:focus-visible { outline: none; box-shadow: var(--ring); }
.doctor-strip__icon { font-size: 1.15rem; }
.doctor-strip__text { flex: 1; font-size: 0.88rem; }
.doctor-strip__status {
  flex: none;
  padding: 0.25rem 0.7rem;
  font-size: 0.78rem;
  color: var(--muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
}
.doctor-strip__status.is-on {
  color: var(--ok);
  background: var(--ok-soft);
  border-color: color-mix(in srgb, var(--ok) 35%, transparent);
}

.lock-banner {
  margin: 0 0 1rem;
  padding: 0.75rem 0.9rem;
  font-size: 0.88rem;
  color: var(--warn-text);
  background: var(--warn-soft);
  border: 1px solid var(--warn-border);
  border-radius: var(--radius-md);
}

.field input.is-locked {
  background: var(--surface);
  color: var(--muted);
  border-style: dashed;
  cursor: not-allowed;
}

.clinic-chips {
  padding: 0.9rem 1rem;
  background: var(--primary-soft);
  border: 1.5px solid color-mix(in srgb, var(--primary) 30%, transparent);
  border-radius: var(--radius-md);
  display: grid;
  gap: 0.6rem;
}
.clinic-chips__title { margin: 0; font-size: 0.92rem; font-weight: 700; }
.clinic-chips__title span { font-weight: 500; color: var(--muted); font-size: 0.82rem; }
.clinic-chips__row { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.clinic-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  font-size: 0.82rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
}
.clinic-chip b { color: var(--primary-strong); font-variant-numeric: tabular-nums; }
.clinic-chips__hint { margin: 0; font-size: 0.8rem; color: var(--muted); }
.clinic-chips__hint a { color: var(--primary-strong); font-weight: 600; }

.doctor-actions {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.9rem;
}
.btn-ghost {
  width: 100%;
  padding: 0.8rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary-strong);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease;
}
.btn-ghost:hover { border-color: var(--primary); background: var(--primary-soft); }
.btn-ghost:focus-visible { outline: none; box-shadow: var(--ring); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: color-mix(in srgb, var(--danger) 88%, black); }

.doctor-intro { margin-bottom: 0.2rem; font-size: 0.88rem; }
.doctor-status .result-rows { margin-top: 0.6rem; }
#doctor-pin-entry, #doctor-pin, #doctor-pin2 { letter-spacing: 0.35em; }

.calc-card--featured {
  border-color: color-mix(in srgb, var(--primary) 45%, transparent);
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary-soft) 75%, transparent), var(--surface));
}

/* ---------- 14) شاشات أوسع ---------- */
@media (min-width: 720px) {
  body { font-size: 16.5px; }
  .hero { padding-block: 2rem 2.25rem; }
  .calc-card { padding: 1.2rem 1.3rem; }
  .app-header { flex-wrap: nowrap; }
  .top-nav { flex-basis: auto; padding-top: 0; margin-inline-start: auto; }
  .app-header__actions { order: 3; }
}


/* ---------- جوال: منع الزوم وتحسين الحقول ---------- */
@media (max-width: 719px) {
  .field input,
  .field textarea,
  #food-search,
  #contact-name,
  #contact-email,
  #contact-phone,
  #doctor-pin,
  #doctor-pin2,
  #doctor-pin-entry {
    font-size: 16px !important;
  }

  /* install-btn يظهر دائماً عبر JS */
}

/* ---------- 11) تقليل الحركة ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
}

/* ---------- نافذة تعليمات التثبيت ---------- */
.install-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 22, 20, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.install-modal:not(.is-open) { display: none; }
.install-modal__box {
  width: min(100%, 480px);
  background: var(--surface);
  border-radius: 20px 20px 0 0;
  padding: 1.5rem 1.4rem 2rem;
  position: relative;
  box-shadow: 0 -8px 32px rgba(0,0,0,0.3);
}
.install-modal__close {
  position: absolute;
  top: 0.8rem;
  left: 1rem;
  font-size: 1.4rem;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
}
.install-modal__close:hover { background: var(--surface-2); }
.install-modal__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 0.3rem;
  text-align: center;
}
.install-modal__sub {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary-strong);
  margin: 0.8rem 0 0.5rem;
}
.install-modal__steps {
  margin: 0;
  padding-right: 1.2rem;
  display: grid;
  gap: 0.5rem;
}
.install-modal__steps li {
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.6;
}
.install-modal__native { margin-top: 1rem; width: 100%; }

/* ---------- القائمة الجانبية ---------- */
.side-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(10, 22, 20, 0.55);
  backdrop-filter: blur(2px);
  display: none;
}
.side-overlay.is-open { display: block; }

.side-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  width: min(80vw, 300px);
  background: var(--surface);
  box-shadow: -4px 0 24px rgba(0,0,0,0.25);
  display: none;
  flex-direction: column;
  overflow-y: auto;
}
.side-menu.is-open {
  display: flex;
  animation: slide-in 0.22s ease;
}

@keyframes slide-in {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

.side-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1rem 0.8rem;
  border-bottom: 1.5px solid var(--border);
}
.side-menu__brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary-strong);
}
.side-menu__close {
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--muted);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
}
.side-menu__close:hover { background: var(--surface-2); }

.side-menu__list {
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
}
.side-menu__item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.85rem 1.1rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  text-align: right;
  transition: background 0.15s ease, color 0.15s ease;
}
.side-menu__item:hover { background: var(--primary-soft); color: var(--primary-strong); }
.side-menu__item[aria-current="page"] {
  background: var(--primary-soft);
  color: var(--primary-strong);
  border-right: 3px solid var(--primary);
}
.side-menu__divider {
  height: 1px;
  background: var(--border);
  margin: 0.4rem 0;
}
.side-menu__install {
  color: var(--primary-strong);
}
.side-menu__install:hover { background: var(--primary-soft); }

/* ملاحظة تقريب الجرعة */
.result-card__round-note {
  margin: 0.3rem 0 0;
  padding: 0.5rem 0.75rem;
  font-size: 0.82rem;
  color: var(--warn-text);
  background: var(--warn-soft);
  border: 1px solid var(--warn-border);
  border-radius: var(--radius-md);
  line-height: 1.6;
}