/* ============ الخطّ ============
 * Cairo (خطّ متغيّر) — مستضاف محلياً، بلا أي طلب لخادم خارجي.
 * الرخصة: SIL Open Font License 1.1 — انظر fonts/OFL.txt
 * ================================ */
@font-face{
  font-family:'Cairo';
  font-style:normal;
  font-weight:200 1000;
  font-display:swap;
  src:url('../fonts/cairo-arabic.woff2') format('woff2');
  unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+08A0-08FF,U+200C-200E,
                U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FEFC;
}
@font-face{
  font-family:'Cairo';
  font-style:normal;
  font-weight:200 1000;
  font-display:swap;
  src:url('../fonts/cairo-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,
                U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,
                U+2212,U+2215,U+FEFF,U+FFFD;
}

/* ============ أساسيات ============ */
:root{
  --blue:#0e7490;
  --blue-dark:#0b5a70;
  --blue-deep:#083f52;
  --blue-light:#e0f4f8;
  --teal:#14b8a6;
  --aqua:#38bdf8;
  --ink:#12303a;
  --muted:#5b7684;
  --line:#dae8ee;
  --bg:#eef7fa;
  --card:#ffffff;
  --ok:#16a34a;
  --warn:#d97706;
  --bad:#dc2626;
  --radius:14px;
  --shadow:0 2px 10px rgba(14,116,144,.08);
  --shadow-lg:0 12px 30px rgba(11,90,112,.14);
}

*{box-sizing:border-box}

body{
  margin:0;
  font-family:'Cairo','Segoe UI','Noto Naskh Arabic',Tahoma,Arial,sans-serif;
  background:
    radial-gradient(900px 420px at 100% -80px,rgba(56,189,248,.16),transparent 60%),
    radial-gradient(700px 380px at -10% 12%,rgba(20,184,166,.13),transparent 62%),
    var(--bg);
  background-attachment:fixed;
  color:var(--ink);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}

.wrap{max-width:1180px;margin:0 auto;padding:0 16px}

h1,h2,h3{margin:0 0 .4rem;line-height:1.5;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 .6rem}
code{background:#eef6f9;padding:1px 6px;border-radius:6px;font-size:.9em;direction:ltr;display:inline-block}

/* ============ الترويسة ============ */
.site-head{
  position:relative;
  background:linear-gradient(135deg,var(--blue-deep) 0%,var(--blue) 45%,var(--teal) 100%);
  color:#fff;padding:44px 0 62px;text-align:center;overflow:hidden;
}
/* فقاعات ماء خفيفة في الخلفية */
.site-head::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 12% 26%,rgba(255,255,255,.16) 0 9px,transparent 10px),
    radial-gradient(circle at 82% 20%,rgba(255,255,255,.13) 0 15px,transparent 16px),
    radial-gradient(circle at 68% 72%,rgba(255,255,255,.10) 0 22px,transparent 23px),
    radial-gradient(circle at 28% 78%,rgba(255,255,255,.12) 0 11px,transparent 12px);
}
/* موجة تفصل الترويسة عن الصفحة */
.site-head::after{
  content:'';position:absolute;inset-inline:0;bottom:-1px;height:46px;
  background:var(--bg);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 46' preserveAspectRatio='none'%3E%3Cpath d='M0 46V16c140 22 260-14 400-14s260 34 400 34 260-30 400-30v40z' fill='%23000'/%3E%3C/svg%3E") no-repeat center/100% 100%;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 46' preserveAspectRatio='none'%3E%3Cpath d='M0 46V16c140 22 260-14 400-14s260 34 400 34 260-30 400-30v40z' fill='%23000'/%3E%3C/svg%3E") no-repeat center/100% 100%;
}
.site-head .wrap{position:relative;z-index:1}
.site-head h1{font-size:2.4rem;margin:0;font-weight:800;letter-spacing:-.02em;text-shadow:0 2px 12px rgba(0,0,0,.16)}
.site-head .sub{margin:.35rem 0 0;opacity:.94;font-size:1rem;font-weight:400}

/* ============ التبويبات ============ */
.tabs{
  display:flex;gap:8px;flex-wrap:wrap;
  margin:-22px auto 22px;padding:8px;
  background:var(--card);border-radius:var(--radius);
  box-shadow:var(--shadow);position:relative;max-width:1068px;
}
.tab{
  flex:1 1 auto;min-width:110px;
  border:0;background:transparent;cursor:pointer;
  padding:11px 14px;border-radius:10px;
  font:inherit;font-weight:600;color:var(--muted);
  transition:.18s;
}
.tab:hover{background:var(--blue-light);color:var(--blue-dark)}
.tab.active{background:var(--blue);color:#fff}

/* ============ البطاقات والشبكة ============ */
.card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;margin-bottom:16px;
  box-shadow:var(--shadow);
}
.grid{
  display:grid;gap:16px;align-items:start;
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
}
.empty{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);
  padding:26px;text-align:center;color:var(--muted);
}
.error-box{border-color:#fecaca;background:#fef2f2;color:#b91c1c}
.hint{color:var(--muted);font-size:.9rem}
.hint a,.incomplete a,.credits a{color:var(--blue)}

/* ============ شريط الأدوات ============ */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.toolbar input,.toolbar select{
  font:inherit;padding:10px 12px;border:1px solid var(--line);
  border-radius:10px;background:var(--card);color:var(--ink);
}
.toolbar input[type=search]{flex:1 1 220px}
.count{color:var(--muted);font-size:.85rem}
.switch{
  display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  border:1px solid var(--line);border-radius:10px;padding:10px 12px;
  background:var(--card);font-size:.9rem;white-space:nowrap;
}
.switch input{accent-color:var(--blue);margin:0}
.switch:has(input:checked){background:var(--blue-light);border-color:var(--blue);font-weight:600}

/* ============ بطاقة الماركة على شكل قارورة ============ */
.brands-grid{
  display:grid;gap:30px 18px;align-items:start;
  grid-template-columns:repeat(auto-fill,minmax(228px,1fr));
  padding-top:26px;
}

.bottle{
  position:relative;padding-top:26px;cursor:pointer;
  transition:transform .22s ease, filter .22s ease;
  outline:none;
}
.bottle:hover,.bottle:focus-visible{transform:translateY(-7px)}
.bottle:focus-visible .bottle-body{box-shadow:0 0 0 3px var(--teal),var(--shadow-lg)}

/* السدادة والعنق */
.bottle-cap{
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:58px;height:17px;border-radius:7px 7px 4px 4px;z-index:2;
  box-shadow:inset 0 -3px 0 rgba(0,0,0,.16);
}
.ty-cap-blue  {background:#0e7490}
.ty-cap-teal  {background:#14b8a6}
.ty-cap-purple{background:#7c3aed}
.ty-cap-gray  {background:#94a3b8}

.bottle-neck{
  position:absolute;top:15px;left:50%;transform:translateX(-50%);
  width:44px;height:16px;z-index:1;
  background:linear-gradient(90deg,#dceef4,#fff 42%,#eaf6fa);
  border:1px solid var(--line);border-bottom:0;
}

/* جسم القارورة */
.bottle-body{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#fff 0%,#fbfeff 100%);
  border:1px solid var(--line);
  border-radius:42px 42px 20px 20px;
  box-shadow:var(--shadow);
  transition:box-shadow .22s ease;
  min-height:268px;
}
.bottle:hover .bottle-body{box-shadow:var(--shadow-lg)}

/* منسوب الماء = درجة التمعدن */
.water{
  position:absolute;inset-inline:0;bottom:0;z-index:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(56,189,248,.26),rgba(14,116,144,.20));
  border-top:2px solid rgba(56,189,248,.5);
}
.water::before{                       /* سطح الماء متموّج */
  content:'';position:absolute;inset-inline:0;top:-9px;height:10px;
  background:rgba(56,189,248,.28);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 10' preserveAspectRatio='none'%3E%3Cpath d='M0 10V4c15-5 25 4 40 4s25-8 40-8 25 7 40 5v5z' fill='%23000'/%3E%3C/svg%3E") repeat-x bottom/120px 10px;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 10' preserveAspectRatio='none'%3E%3Cpath d='M0 10V4c15-5 25 4 40 4s25-8 40-8 25 7 40 5v5z' fill='%23000'/%3E%3C/svg%3E") repeat-x bottom/120px 10px;
}
/* لمعة زجاجية على الحافة */
.shine{
  position:absolute;top:16px;inset-inline-start:14px;width:11px;height:58%;
  border-radius:999px;z-index:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.9),rgba(255,255,255,0));
}

.bottle-content{position:relative;z-index:1;padding:16px 15px 34px;text-align:center}

.bottle-content .logo{
  display:block;width:52px;height:52px;margin:0 auto 6px;object-fit:contain;
  border-radius:12px;background:#fff;padding:4px;
  box-shadow:0 1px 6px rgba(11,90,112,.12);
}
.bottle-content .logo.placeholder{
  display:grid;place-items:center;font-size:1.5rem;background:var(--blue-light);box-shadow:none;
}
.bottle-content h3{font-size:1.1rem;color:var(--blue-dark);margin:0}
.latin{color:var(--muted);font-size:.78rem;margin:0;direction:ltr}
.verified{color:var(--ok);font-size:.8rem;margin-inline-start:3px}
.origin{color:var(--muted);font-size:.8rem;margin:.25rem 0 .5rem;line-height:1.5}

.bottle .tags{justify-content:center;margin-bottom:10px}
.bottle .mini-grid{grid-template-columns:repeat(2,1fr);gap:6px;margin-bottom:8px}
.bottle .incomplete{margin-bottom:8px}
.more{
  display:block;font-size:.75rem;color:var(--blue);font-weight:600;
  opacity:0;transition:opacity .2s;
}
.bottle:hover .more,.bottle:focus-visible .more{opacity:1}

@media (hover:none){.more{opacity:1}}

/* ============ عناصر مشتركة ============ */
.incomplete{
  font-size:.82rem;color:#a16207;background:#fffbeb;border:1px dashed #fde68a;
  border-radius:10px;padding:8px 10px;
}
.incomplete.big{font-size:.9rem;padding:14px;margin-top:14px}

.tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.tag{font-size:.72rem;padding:3px 9px;border-radius:999px;border:1px solid transparent;white-space:nowrap}
.n-verylow{background:#ecfeff;color:#0e7490;border-color:#a5eef5}
.n-low    {background:#eff6ff;color:#1d4ed8;border-color:#bfdbfe}
.n-mid    {background:#fff7ed;color:#c2410c;border-color:#fed7aa}
.n-high   {background:#fef2f2;color:#b91c1c;border-color:#fecaca}
.n-unknown{background:#f3f4f6;color:#6b7280;border-color:#e5e7eb}
.t-ca  {background:#f5f3ff;color:#6d28d9;border-color:#ddd6fe}
.t-mg  {background:#f0fdf4;color:#15803d;border-color:#bbf7d0}
.t-hco3{background:#fdf4ff;color:#a21caf;border-color:#f5d0fe}
.t-so4 {background:#fefce8;color:#a16207;border-color:#fef08a}
.t-na  {background:#ecfdf5;color:#047857;border-color:#a7f3d0}
.t-no3 {background:#f0f9ff;color:#0369a1;border-color:#bae6fd}
/* ألوان تصنيفات المصدر */
.ty-blue  {background:#0e7490;color:#fff;border-color:#0e7490}
.ty-teal  {background:#14b8a6;color:#fff;border-color:#14b8a6}
.ty-purple{background:#7c3aed;color:#fff;border-color:#7c3aed}
.ty-gray  {background:#64748b;color:#fff;border-color:#64748b}

.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.mini{
  background:rgba(224,244,248,.82);border-radius:10px;padding:7px 5px;text-align:center;
  backdrop-filter:blur(2px);
}
.mini-k{display:block;font-size:.67rem;color:var(--muted);line-height:1.4}
.mini-v{display:block;font-weight:700;color:var(--blue-dark);font-size:1rem;line-height:1.3}

.note{font-size:.88rem;color:var(--muted);border-right:3px solid var(--teal);padding-right:10px}

/* ============ الأزرار ============ */
.btn,.btn-ghost{
  font:inherit;font-weight:600;cursor:pointer;
  padding:10px 18px;border-radius:10px;transition:.18s;
}
.btn{background:var(--blue);color:#fff;border:0}
.btn:hover{background:var(--blue-dark)}
.btn-ghost{background:transparent;color:var(--blue);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--blue-light)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}

/* ============ جداول التركيب ============ */
.full-comp{margin-top:12px}
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.comp-table{width:100%;border-collapse:collapse;font-size:.9rem}
.comp-table th,.comp-table td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:right}
.comp-table thead th{background:var(--blue-light);color:var(--blue-dark);font-weight:700;position:sticky;top:0}
.comp-table tbody tr:hover{background:#fafdff}
.comp-table .num{text-align:center;font-weight:600;direction:ltr}
.comp-table .unit{color:var(--muted);font-size:.8rem;direction:ltr;text-align:center}
.comp-table .rowh small{display:block;color:var(--muted);font-size:.72rem;direction:ltr}
.comp-table .best{background:#dcfce7;color:#15803d;border-radius:6px}
.comp-table.wide{min-width:640px}
.sym{color:var(--teal);font-weight:700;direction:ltr;display:inline-block;font-size:.85em}
.sym.big{font-size:1.1rem}

/* ============ الشرائح (المقارنة) ============ */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.chip{
  display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  border:1px solid var(--line);border-radius:999px;padding:7px 14px;
  background:#fff;font-size:.9rem;transition:.15s;
}
.chip:hover{border-color:var(--teal)}
.chip input{accent-color:var(--blue);margin:0}
.chip:has(input:checked){background:var(--blue-light);border-color:var(--blue);font-weight:600}

/* ============ الحالات الصحية ============ */
.profiles{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));margin-top:12px}
.profile{
  display:flex;gap:10px;align-items:flex-start;cursor:pointer;
  border:1px solid var(--line);border-radius:12px;padding:12px;transition:.15s;background:#fff;
}
.profile:hover{border-color:var(--teal);background:#fbfeff}
.profile:has(input:checked){background:var(--blue-light);border-color:var(--blue)}
.profile input{accent-color:var(--blue);margin-top:6px}
.pf-icon{font-size:1.3rem;line-height:1.4}
.pf-body strong{display:block;font-size:.95rem}
.pf-body small{color:var(--muted);font-size:.8rem;line-height:1.5;display:block}

/* ============ نتائج التوصية ============ */
.reco-top{margin:6px 0 12px}
.reco-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.reco-card{margin:0}
.reco-card.is-blocked{opacity:.72;border-color:#fecaca}
.reco-head{display:flex;align-items:center;gap:12px}
.reco-head h3{margin:0;font-size:1.15rem;color:var(--blue-dark)}
.reco-head>div:nth-child(2){flex:1}
.rank{font-size:1.5rem;line-height:1}
.score{text-align:center;color:var(--blue);font-weight:800}
.score span{font-size:1.5rem}
.score small{display:block;font-size:.7rem;color:var(--muted);font-weight:500}
.bar{height:8px;background:var(--line);border-radius:999px;overflow:hidden;margin:10px 0 12px}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--teal),var(--blue));border-radius:999px}
.blocked{background:#fef2f2;color:#b91c1c;border-radius:8px;padding:8px 10px;font-size:.85rem;margin-bottom:8px}
.reasons{list-style:none;padding:0;margin:0;font-size:.88rem}
.reasons li{padding:5px 0;border-bottom:1px dashed var(--line)}
.reasons li:last-child{border:0}
.reasons em{color:var(--muted);font-style:normal;font-size:.8rem;direction:ltr;display:inline-block}
.pro{color:#166534}
.con{color:#92400e}

.warnbox{background:#fffbeb;border:1px solid #fde68a;border-radius:var(--radius);padding:14px 16px;margin-bottom:14px;font-size:.9rem}
.warnbox ul{margin:.4rem 0 0;padding-right:18px}
.disclaimer-sm{color:var(--muted);font-size:.82rem;text-align:center;margin-top:14px}

/* ============ دليل العناصر ============ */
.intro-card{background:linear-gradient(135deg,#fff,var(--blue-light))}
.elem-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.elem-head h3{margin:0;font-size:1.1rem;color:var(--blue-dark)}
.elem-card dl{margin:0;font-size:.88rem}
.elem-card dt{font-weight:700;color:var(--teal);margin-top:8px;font-size:.82rem}
.elem-card dd{margin:0;color:#28414c}
.elem-rich{margin-top:12px;padding-top:10px;border-top:1px solid var(--line);font-size:.85rem;color:var(--muted)}

/* ============ أنواع المياه ============ */
.type-card{border-right-width:5px;border-right-style:solid}
.ty-border-blue  {border-right-color:#0e7490}
.ty-border-teal  {border-right-color:#14b8a6}
.ty-border-purple{border-right-color:#7c3aed}
.ty-border-gray  {border-right-color:#64748b}
.type-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.type-head h3{color:var(--blue-dark);font-size:1.1rem;margin:0}
.type-card p{font-size:.9rem}
.type-brands{
  font-size:.82rem;color:var(--muted);border-top:1px solid var(--line);
  padding-top:10px;margin-top:4px;line-height:2;
}

/* ============ التذييل ============ */
.site-foot{background:var(--ink);color:#cfe3ea;margin-top:34px;padding:24px 0}
.disclaimer{background:rgba(255,255,255,.06);border-right:4px solid var(--warn);border-radius:10px;padding:14px 16px;font-size:.88rem}
.credits{margin-top:12px;font-size:.82rem;opacity:.75;text-align:center}
.site-foot code{background:rgba(255,255,255,.12);color:#e0f4f8}

/* ============ الشاشات الصغيرة ============ */
@media (max-width:560px){
  .site-head{padding:34px 0 52px}
  .site-head h1{font-size:1.85rem}
  .tab{min-width:0;flex:1 1 calc(33.333% - 6px);padding:10px 6px;font-size:.9rem}
  .mini-grid{grid-template-columns:repeat(2,1fr)}
  .grid,.reco-grid{grid-template-columns:1fr}
  /* قارورتان في الصفّ حتى تبقى النسب شبيهة بقارورة حقيقية */
  .brands-grid{grid-template-columns:repeat(2,1fr);gap:24px 10px}
  .bottle-content{padding:13px 9px 30px}
  .bottle-content h3{font-size:.98rem}
  .bottle-content .logo{width:42px;height:42px}
  .bottle .tags{gap:4px}
  .bottle .tag{font-size:.63rem;padding:2px 7px}
  .bottle .origin{font-size:.72rem}
  .bottle .mini-grid{gap:4px}
  .bottle .mini-v{font-size:.9rem}
  .bottle .mini-k{font-size:.6rem}
  .bottle-cap{width:48px;height:14px}
  .bottle-neck{width:36px;top:12px}
}


/* ============ نافذة تفاصيل الماركة ============ */
body.modal-open{overflow:hidden}
.modal{
  position:fixed;inset:0;background:rgba(8,63,82,.6);backdrop-filter:blur(3px);
  display:grid;place-items:center;padding:16px;z-index:60;
}
.modal[hidden]{display:none}
.modal-box{
  background:var(--card);border-radius:18px;width:min(720px,100%);
  max-height:92vh;display:flex;flex-direction:column;overflow:hidden;
  box-shadow:0 22px 60px rgba(8,63,82,.35);
}
.modal-head{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:14px 18px;
  background:linear-gradient(135deg,var(--blue) 0%,var(--teal) 100%);color:#fff;
}
.modal-head h2{margin:0;font-size:1.15rem;color:#fff}
.icon-btn{
  border:0;background:rgba(255,255,255,.18);color:#fff;font-size:1rem;cursor:pointer;
  width:32px;height:32px;border-radius:50%;flex:none;line-height:1;
}
.icon-btn:hover{background:rgba(255,255,255,.32)}
.modal-body{overflow-y:auto;padding:18px}

.bm-grid{display:grid;gap:18px;grid-template-columns:190px 1fr;align-items:start}
.bm-photo{
  margin:0;background:linear-gradient(180deg,#f2fbfd,#e2f3f8);
  border-radius:16px;padding:14px;display:grid;place-items:center;min-height:220px;
}
.bm-photo img{max-width:100%;max-height:280px;object-fit:contain;
  filter:drop-shadow(0 10px 18px rgba(11,90,112,.22))}
.bm-photo img.only-logo{max-height:130px}
.no-photo{display:grid;place-items:center;gap:6px;font-size:2.6rem;color:var(--blue)}
.no-photo small{font-size:.8rem;color:var(--muted)}
.bm-info .tags{margin-top:10px}
.bm-h{margin:20px 0 10px;color:var(--blue-dark);font-size:1rem}
.verified-line{color:var(--ok);font-size:.85rem;font-weight:600;margin-top:10px}
.unverified-line{color:var(--muted);font-size:.85rem;margin-top:10px}

@media (max-width:600px){
  .bm-grid{grid-template-columns:1fr}
  .bm-photo{min-height:180px}
  .modal-box{max-height:100vh;border-radius:0}
}