/* ==========================================================
   Najm Blood Bank — lightweight stylesheet
   Single file, no framework. ~15KB. RTL-friendly.
   ========================================================== */

/* ---- Web fonts ------------------------------------------- */
/* "Nazli" is the GPL-licensed Persian font from the FarsiWeb
   project, designed as a free direct replacement for B Nazanin.
   url()s are relative to THIS CSS file, so they resolve to
   /assets/fonts/... regardless of whether the site sits at a
   subdomain root or in a sub-directory.                     */
@font-face {
  font-family: "Nazli";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/Nazli.woff2") format("woff2"),
       url("../fonts/Nazli.ttf")   format("truetype");
}
@font-face {
  font-family: "Nazli";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/Nazli-Bold.woff2") format("woff2"),
       url("../fonts/Nazli-Bold.ttf")   format("truetype");
}

:root{
  --c-bg:#fafafa;
  --c-surface:#ffffff;
  --c-text:#1f2937;
  --c-muted:#6b7280;
  --c-border:#e5e7eb;
  --c-primary:#b91c1c;
  --c-primary-dark:#7f1d1d;
  --c-accent:#0ea5e9;
  --c-success:#16a34a;
  --c-warn:#d97706;
  --c-error:#dc2626;
  --r:.5rem;
  --r-sm:.35rem;
  --shadow:0 1px 2px rgba(0,0,0,.04), 0 4px 12px rgba(0,0,0,.06);
}

*{box-sizing:border-box}
html,body{
  margin:0;padding:0;
  width:100%;max-width:100vw;
  overflow-x:hidden;
}
body{
  font-family: "Nazli", "B Nazanin", "Vazirmatn", "Segoe UI", Tahoma, system-ui, sans-serif;
  background:var(--c-bg);color:var(--c-text);
  line-height:1.7;font-size:17px;
  -webkit-text-size-adjust:100%;
  /* Ensure RTL pages don't open scrolled to the right edge of a phantom
     overflow box. Any child that does spill horizontally is also clamped
     by overflow-x:hidden above. */
  position:relative;
}
body.rtl{direction:rtl;font-family:"Nazli","B Nazanin","Vazirmatn","Tahoma","Iranian Sans","Segoe UI",system-ui,sans-serif}

a{color:var(--c-primary);text-decoration:none;overflow-wrap:anywhere}
a:hover{text-decoration:underline}
img,video,iframe{max-width:100%;height:auto;display:block}
pre,code{max-width:100%;overflow-x:auto;white-space:pre-wrap;overflow-wrap:anywhere}

/* Hard text-wrapping for the elements that most often cause RTL/mobile
   overflow: headings, donor names, addresses, share URLs. */
h1,h2,h3,h4,p,li,td,th,label,.name,.meta{overflow-wrap:anywhere;word-break:break-word}

/* Prevent flex/grid children from establishing a min-content width larger
   than the parent — the single biggest source of mobile horizontal scroll. */
.grid > *,.form-grid > *,.footer-grid > *,.stats > *,
.topbar-inner > *,.topbar-right > *,
.donor-card,.donor-card > *,.donor-card .row > *,.donor-card .actions > *,
.hero-actions > *,.search-form > *,.share-box > *{min-width:0;max-width:100%}

.container{max-width:1180px;margin:0 auto;padding:0 1rem}

/* skip link — visually hidden but accessible (NO negative offsets,
   which would cause horizontal overflow in RTL pages). */
.skip-link{position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
.skip-link:focus{position:fixed;width:auto;height:auto;margin:0;padding:.5rem 1rem;
  clip:auto;clip-path:none;overflow:visible;background:#000;color:#fff;
  top:1rem;inset-inline-start:1rem;z-index:9999}

/* topbar */
.topbar{background:var(--c-primary);color:#fff;position:sticky;top:0;z-index:40;box-shadow:var(--shadow)}
.topbar a{color:#fff}
.topbar-inner{display:flex;align-items:center;gap:1rem;padding:.6rem 1rem;flex-wrap:wrap}
.brand{font-weight:700;font-size:1.1rem;display:flex;align-items:center;gap:.5rem}
.logo-dot{display:inline-block;background:#fff;color:var(--c-primary);
  width:1.8rem;height:1.8rem;border-radius:50%;text-align:center;line-height:1.8rem;font-weight:700}
.primary-nav{display:flex;flex-wrap:wrap;gap:.25rem;flex:1;justify-content:center}
.primary-nav a{padding:.5rem .8rem;border-radius:var(--r-sm);font-size:.95rem;white-space:nowrap}
.primary-nav a:hover{background:rgba(255,255,255,.15);text-decoration:none}
.topbar-right{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
.lang-switch{display:flex;gap:.15rem}
.lang-switch a{padding:.2rem .45rem;border-radius:var(--r-sm);font-size:.75rem;opacity:.75}
.lang-switch a.active{background:#fff;color:var(--c-primary);font-weight:700;opacity:1}

.hamburger{display:none;background:none;border:0;width:36px;height:36px;flex-direction:column;gap:4px;
  justify-content:center;align-items:center;cursor:pointer}
.hamburger span{display:block;height:2px;width:22px;background:#fff;border-radius:2px}

@media (max-width:900px){
  .hamburger{display:flex}
  .primary-nav{display:none;flex-direction:column;width:100%;order:5;background:var(--c-primary-dark);padding:.5rem}
  .primary-nav.open{display:flex}
  .topbar-inner{padding:.5rem}
}

/* buttons */
.btn{display:inline-block;background:var(--c-primary);color:#fff;border:0;
  padding:.6rem 1rem;border-radius:var(--r-sm);font-weight:600;cursor:pointer;
  text-decoration:none;font-size:.95rem;transition:background .15s}
.btn:hover{background:var(--c-primary-dark);text-decoration:none;color:#fff}
.btn.btn-outline{background:transparent;border:1px solid currentColor;color:inherit}
.btn.btn-sm{padding:.35rem .8rem;font-size:.85rem}
.btn.btn-accent{background:var(--c-accent)}
.btn.btn-success{background:var(--c-success)}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* forms */
.field{display:flex;flex-direction:column;gap:.3rem;margin-bottom:1rem}
.field label{font-weight:600;font-size:.9rem}
.field input,.field select,.field textarea{
  width:100%;padding:.55rem .7rem;border:1px solid var(--c-border);
  border-radius:var(--r-sm);background:#fff;font-size:1rem;color:var(--c-text);
  font-family:inherit
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:2px solid var(--c-primary);outline-offset:1px;border-color:var(--c-primary)
}
.field .hint{color:var(--c-muted);font-size:.8rem}
.required{color:var(--c-error)}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}

/* alerts */
.alert{padding:.85rem 1rem;border-radius:var(--r-sm);margin:1rem 0;border-inline-start:4px solid;background:#fff;box-shadow:var(--shadow)}
.alert.success{border-color:var(--c-success);color:#14532d;background:#f0fdf4}
.alert.error{border-color:var(--c-error);color:#7f1d1d;background:#fef2f2}
.alert.info{border-color:var(--c-accent);color:#0c4a6e;background:#f0f9ff}
.alert.warn{border-color:var(--c-warn);color:#78350f;background:#fffbeb}

/* hero */
.hero{background:linear-gradient(135deg,#dc2626,#7f1d1d);color:#fff;padding:3rem 0 4rem;border-radius:0 0 var(--r) var(--r)}
.hero h1{font-size:2rem;margin:0 0 .5rem;line-height:1.25}
.hero p{font-size:1.1rem;margin:0 0 1.5rem;opacity:.95}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem}
.hero .btn-outline{background:rgba(255,255,255,.1);border-color:#fff}
.hero .btn-outline:hover{background:#fff;color:var(--c-primary)}

/* sections */
.section{padding:2.5rem 0}
.section h2{font-size:1.5rem;margin:0 0 1rem;color:var(--c-primary-dark)}

/* cards */
.card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r);
  padding:1.25rem;box-shadow:var(--shadow);transition:transform .15s}
.card:hover{transform:translateY(-2px)}
.card h3{margin:0 0 .25rem;font-size:1.1rem}
.card .meta{color:var(--c-muted);font-size:.85rem;margin-bottom:.5rem}
.grid{display:grid;gap:1rem}
.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid.cols-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}

.thumb{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:var(--r-sm)}

/* donor cards */
.donor-card{display:flex;flex-direction:column;gap:.4rem}
.donor-card .name{font-weight:700;font-size:1.05rem;color:var(--c-text)}
.donor-card .bg-pill{display:inline-block;background:var(--c-primary);color:#fff;
  font-weight:700;padding:.15rem .6rem;border-radius:999px;font-size:.85rem}
.donor-card .row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.3rem}
.donor-card .actions{display:flex;gap:.4rem;margin-top:.5rem;flex-wrap:wrap}
.donor-card .actions a{flex:1;text-align:center;padding:.45rem;border-radius:var(--r-sm);
  color:#fff;font-weight:600;text-decoration:none;font-size:.85rem}
.donor-card .call{background:var(--c-accent)}
.donor-card .wa{background:#25d366}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin:1.5rem 0}
.stat{background:#fff;border-radius:var(--r);padding:1rem;text-align:center;box-shadow:var(--shadow)}
.stat .num{font-size:2rem;font-weight:700;color:var(--c-primary)}
.stat .lbl{color:var(--c-muted);font-size:.9rem}

/* footer */
.site-footer{background:#1f2937;color:#cbd5e1;margin-top:3rem;padding:2rem 0 1rem}
.site-footer a{color:#cbd5e1}
.site-footer h4{color:#fff;margin:0 0 .75rem;font-size:1rem}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid li{margin-bottom:.35rem}
.footer-bottom{border-top:1px solid #334155;text-align:center;padding-top:1rem;margin-top:1.5rem;font-size:.85rem}
.wa-btn{background:#25d366;color:#fff;padding:.45rem .8rem;border-radius:var(--r-sm);display:inline-block;font-weight:600}

/* install button */
.install-btn{position:fixed;bottom:1rem;inset-inline-end:1rem;background:var(--c-success);
  color:#fff;border:0;padding:.7rem 1rem;border-radius:999px;cursor:pointer;
  box-shadow:0 4px 16px rgba(0,0,0,.2);font-weight:600;z-index:30}
.install-btn[hidden]{display:none}

/* install link in primary nav */
.primary-nav a.nav-install{background:var(--c-success);color:#fff;font-weight:700}
.primary-nav a.nav-install::before{content:"📲  "}
.primary-nav a.nav-install:hover{background:#15803d;color:#fff}

/* install instructions modal (shown when beforeinstallprompt isn't available) */
#installModal{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem}
#installModal .install-modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.55)}
#installModal .install-modal-card{position:relative;background:#fff;color:var(--c-text);
  border-radius:var(--r);padding:1.5rem 1.25rem;max-width:420px;width:100%;
  box-shadow:0 10px 40px rgba(0,0,0,.3);max-height:90vh;overflow:auto}
#installModal ol{margin:.5rem 0 0;padding-inline-start:1.2rem;line-height:1.6}
#installModal .install-modal-close{position:absolute;top:.4rem;inset-inline-end:.6rem;
  background:none;border:0;font-size:1.6rem;cursor:pointer;color:#6b7280;line-height:1}
#installModal .install-modal-close:hover{color:var(--c-primary)}

/* tables */
.table-wrap{overflow-x:auto;border:1px solid var(--c-border);border-radius:var(--r-sm);background:#fff}
table.tbl{width:100%;border-collapse:collapse}
.tbl th,.tbl td{padding:.6rem .75rem;border-bottom:1px solid var(--c-border);text-align:start;font-size:.92rem;vertical-align:top}
.tbl th{background:#f3f4f6;font-weight:600}
.tbl tr:last-child td{border-bottom:0}
.badge{display:inline-block;padding:.1rem .55rem;border-radius:999px;font-size:.75rem;font-weight:600}
.badge.green{background:#dcfce7;color:#166534}
.badge.red{background:#fee2e2;color:#991b1b}
.badge.amber{background:#fef3c7;color:#92400e}

/* admin sidebar */
.admin-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.admin-sidebar{background:#111827;color:#cbd5e1;padding:1rem}
.admin-sidebar a{color:#cbd5e1;display:block;padding:.55rem .8rem;border-radius:var(--r-sm);font-size:.95rem}
.admin-sidebar a:hover{background:#1f2937;color:#fff;text-decoration:none}
.admin-sidebar a.active{background:var(--c-primary);color:#fff}
.admin-sidebar h2{color:#fff;font-size:1.1rem;margin:.25rem 0 1rem;padding:0 .5rem}
.admin-content{padding:1.5rem;background:var(--c-bg)}
.admin-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;gap:1rem;flex-wrap:wrap}
.admin-topbar h1{margin:0;font-size:1.4rem}
@media (max-width:800px){
  .admin-shell{grid-template-columns:1fr}
  .admin-sidebar{position:sticky;top:0;z-index:30}
  .admin-sidebar nav{display:flex;flex-wrap:wrap;gap:.25rem}
  .admin-sidebar nav a{flex:1 0 auto;text-align:center;font-size:.85rem;padding:.4rem .6rem}
  .admin-sidebar h2{display:none}
}

/* share / copy box */
.share-box{background:#f0fdf4;border:1px solid #bbf7d0;padding:1rem;border-radius:var(--r);margin-top:1rem}
.share-box input{flex:1 1 100%;min-width:0;width:100%;padding:.5rem;border:1px solid #86efac;border-radius:var(--r-sm);direction:ltr;overflow:hidden;text-overflow:ellipsis}

/* search bar */
.search-form{background:#fff;padding:1.25rem;border-radius:var(--r);box-shadow:var(--shadow);margin-bottom:1.5rem}

/* certificate */
.certificate{
  width:100%;max-width:1000px;aspect-ratio:1.414;background:#fff;margin:1rem auto;
  border:14px solid var(--c-primary-dark);padding:3rem 4rem;
  box-shadow:0 8px 30px rgba(0,0,0,.15);position:relative;
  background-image:radial-gradient(circle at top,#fff8f8 0%,#ffffff 60%);
  font-family:"Georgia",serif;color:#1f2937
}
.certificate h1{text-align:center;color:var(--c-primary-dark);font-size:2.5rem;margin:0 0 .5rem}
.certificate .org{text-align:center;font-size:1.25rem;color:var(--c-muted);margin-bottom:1.5rem}
.certificate .recipient{text-align:center;font-size:2.2rem;font-weight:700;
  border-bottom:2px solid var(--c-primary);padding-bottom:.5rem;margin:1rem auto;width:fit-content}
.certificate .body{text-align:center;font-size:1.1rem;margin:1.5rem 0;line-height:1.7}
.certificate .footer{display:flex;justify-content:space-between;align-items:flex-end;margin-top:3rem}
.certificate .footer img{max-height:120px;max-width:180px}
.certificate .signoff{text-align:center}
.certificate .signoff .name{font-weight:700;border-top:1px solid #aaa;padding-top:.3rem;margin-top:1rem}

@media print{
  body{background:#fff}
  .topbar,.site-footer,.install-btn,.no-print,.btn{display:none !important}
  .certificate{box-shadow:none;border-width:8px;page-break-after:always}
}

/* ---- Mobile breakpoint (phones) -------------------------- */
@media (max-width:640px){
  body{font-size:16px;line-height:1.6}
  .container{padding:0 .75rem}

  .hero{padding:2rem 0 2.5rem}
  .hero h1{font-size:1.55rem}
  .hero p{font-size:1rem}
  .hero-actions .btn{flex:1 1 100%;text-align:center}

  .section{padding:1.5rem 0}
  .section h2{font-size:1.25rem}

  /* tighter cards + single-column grids on small screens */
  .card{padding:1rem}
  .grid.cols-2,.grid.cols-3{grid-template-columns:1fr}
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}

  .stats{grid-template-columns:repeat(2,1fr)}
  .stat .num{font-size:1.6rem}

  /* topbar — make the brand wrap nicely with the hamburger */
  .topbar-inner{gap:.5rem;padding:.5rem .75rem}
  .brand{font-size:1rem;flex:1;min-width:0}
  .brand span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .topbar-right{gap:.35rem}
  .topbar-right .btn{padding:.3rem .55rem;font-size:.8rem}
  .lang-switch a{padding:.15rem .35rem;font-size:.7rem}

  /* certificate fits the screen instead of overflowing horizontally */
  .certificate{
    padding:1.25rem 1rem;
    border-width:8px;
    aspect-ratio:auto;          /* let height grow with content */
  }
  .certificate h1{font-size:1.4rem}
  .certificate .recipient{font-size:1.4rem;width:auto;max-width:100%}
  .certificate .body{font-size:1rem;margin:1rem 0}
  .certificate .footer{flex-direction:column;align-items:center;gap:1.25rem;text-align:center}
  .certificate .footer img{max-height:80px;max-width:140px}
}