/* ===== USD to PK Calculator - Style ===== */
:root{
  --bg:#0b1220;
  --bg-soft:#111a2e;
  --card:#141f38;
  --line:#223052;
  --text:#e8eeff;
  --muted:#93a4c9;
  --accent:#22c55e;
  --accent-2:#38bdf8;
  --radius:16px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Poppins',system-ui,sans-serif;
  background:radial-gradient(1200px 600px at 80% -10%,rgba(56,189,248,.15),transparent 60%),
             radial-gradient(900px 500px at 10% 0%,rgba(34,197,94,.12),transparent 55%),
             var(--bg);
  color:var(--text);
  line-height:1.65;
  min-height:100vh;
}
.container{width:min(1120px,92%);margin-inline:auto}
strong{color:#fff}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,18,32,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 12px 32px rgba(0,0,0,.38);
}
/* header ke neeche chamakti hui gradient line */
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),var(--accent-2),transparent);
  opacity:.75;pointer-events:none;
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0}
.logo{
  display:flex;align-items:center;gap:8px;
  font-weight:800;font-size:1.05rem;letter-spacing:.2px;
  padding:9px 16px;border-radius:14px;
  background:linear-gradient(140deg,rgba(34,197,94,.14),rgba(56,189,248,.10));
  border:1px solid rgba(56,189,248,.25);
  box-shadow:0 8px 20px rgba(0,0,0,.32);
  transition:transform .25s,border-color .25s;
}
.logo:hover{transform:translateY(-2px);border-color:rgba(34,197,94,.55)}
.accent{color:var(--accent)}
nav{display:flex;flex-wrap:wrap;align-items:center;gap:5px}
nav a{
  color:var(--muted);text-decoration:none;
  padding:9px 15px;border-radius:11px;
  font-size:.92rem;font-weight:500;
  border:1px solid transparent;
  transition:.22s;
}
nav a:hover{
  color:#fff;transform:translateY(-2px);
  background:rgba(56,189,248,.12);
  border-color:rgba(56,189,248,.35);
}
nav a.active-link{
  color:#04210f;font-weight:700;
  background:linear-gradient(180deg,var(--accent),#16a34a);
  border-color:transparent;
  box-shadow:0 8px 18px rgba(34,197,94,.35);
}

/* ===== Hero ===== */
.hero{padding:56px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
h1{font-size:clamp(1.5rem,3.4vw,2.3rem);line-height:1.28;font-weight:800;margin-bottom:14px}
.sub{color:var(--muted);font-size:1rem;margin-bottom:22px}

/* ===== Rate Box ===== */
.rate-box{
  background:linear-gradient(160deg,rgba(34,197,94,.12),rgba(20,31,56,.9));
  border:1px solid rgba(34,197,94,.35);
  border-radius:var(--radius);
  padding:18px 20px;
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.rate-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.badge{
  color:#052e16;background:var(--accent);font-size:.72rem;font-weight:700;
  padding:3px 10px;border-radius:999px;letter-spacing:.4px;
}
.badge.offline{background:#f59e0b;color:#3b2102}
.updated{color:var(--muted);font-size:.78rem}
.rate-head-right{display:flex;align-items:center;gap:8px}
.refresh-btn{
  width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  background:var(--bg-soft);color:var(--accent-2);font-size:.95rem;line-height:1;
  cursor:pointer;transition:transform .3s,border-color .2s;
}
.refresh-btn:hover{transform:rotate(180deg);border-color:var(--accent);color:#fff}
.refresh-btn.spin{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.rate-main{display:flex;align-items:center;gap:14px}
.rate-main span#flag{font-size:2rem}
.rate-value{font-size:1.85rem;font-weight:800;color:#fff;line-height:1.2}
.rate-label{color:var(--muted);font-size:.8rem}
.rate-note{color:var(--muted);font-size:.78rem;margin-top:10px;border-top:1px dashed var(--line);padding-top:8px}

/* ===== Calculator Card ===== */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  padding:22px;
  box-shadow:0 18px 50px rgba(0,0,0,.45);
}
.tabs{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.tab{
  flex:1;min-width:96px;padding:10px 8px;border:1px solid var(--line);
  background:var(--bg-soft);color:var(--muted);border-radius:10px;
  font-family:inherit;font-size:.82rem;font-weight:600;cursor:pointer;transition:.2s;
}
.tab:hover{color:#fff;border-color:var(--accent-2)}
.tab.active{background:linear-gradient(180deg,var(--accent),#16a34a);color:#04210f;border-color:transparent}
.field-label{display:block;color:var(--muted);font-size:.8rem;margin-bottom:7px;font-weight:500}
.input-wrap{position:relative;display:flex;align-items:center}
#amount{
  width:100%;padding:14px 64px 14px 14px;font-size:1.15rem;font-weight:600;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;
  color:#fff;outline:none;transition:border-color .2s,box-shadow .2s;
  -moz-appearance:textfield;
}
#amount::-webkit-outer-spin-button,#amount::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
#amount:focus{border-color:var(--accent-2);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.input-unit{
  position:absolute;right:14px;color:var(--accent-2);font-weight:700;font-size:.9rem;pointer-events:none;
}
.quick{display:flex;gap:7px;margin:12px 0 4px;flex-wrap:wrap}
.q-btn{
  flex:1;padding:7px 0;background:var(--bg-soft);border:1px solid var(--line);
  color:var(--muted);border-radius:9px;font-family:inherit;font-size:.8rem;font-weight:600;cursor:pointer;transition:.2s;
}
.q-btn:hover{color:#fff;border-color:var(--accent)}
.swap-line{display:flex;justify-content:center;margin:10px 0}
#swapBtn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:var(--bg-soft);color:var(--accent-2);font-size:1.1rem;cursor:pointer;transition:.2s;
}
#swapBtn:hover{transform:rotate(180deg);border-color:var(--accent)}
.result-box{
  background:linear-gradient(160deg,rgba(56,189,248,.10),rgba(20,31,56,.8));
  border:1px solid rgba(56,189,248,.3);
  border-radius:12px;padding:16px 14px;text-align:center;margin-bottom:14px;
}
.result{font-size:1.7rem;font-weight:800;color:#fff;word-break:break-word}
.result-sub{color:var(--muted);font-size:.8rem;margin-top:4px}
.copy-btn{
  width:100%;padding:12px;border:none;border-radius:11px;
  background:linear-gradient(180deg,var(--accent),#16a34a);color:#04210f;
  font-family:inherit;font-weight:700;font-size:.92rem;cursor:pointer;transition:filter .2s;
}
.copy-btn:hover{filter:brightness(1.08)}
.disclaimer{color:var(--muted);font-size:.72rem;text-align:center;margin-top:10px}

/* ===== Sections ===== */
.section{padding:48px 0}
.section.alt{background:rgba(17,26,46,.6);border-block:1px solid var(--line)}
h2{font-size:clamp(1.2rem,2.4vw,1.6rem);font-weight:700;margin-bottom:10px}
.sec-sub{color:var(--muted);margin-bottom:22px}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-grid article{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;
}
.info-grid p{color:var(--muted);font-size:.92rem}

/* ===== Table ===== */
.table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
table{width:100%;border-collapse:collapse;background:var(--card)}
th,td{padding:12px 16px;text-align:left;font-size:.94rem}
th{background:var(--bg-soft);color:var(--accent);font-weight:700;letter-spacing:.3px}
td:last-child{color:#fff;font-weight:600}
tbody tr:nth-child(even){background:rgba(17,26,46,.45)}
tbody tr:hover{background:rgba(56,189,248,.08)}

/* ===== FAQ ===== */
.faq details{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:14px 18px;margin-bottom:12px;
}
.faq summary{font-weight:600;cursor:pointer;list-style:none;position:relative;padding-right:26px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:0;top:-2px;color:var(--accent);font-size:1.3rem}
.faq details[open] summary::after{content:'–'}
.faq p{color:var(--muted);font-size:.92rem;margin-top:10px}

/* ===== Footer ===== */
.site-footer{
  position:relative;margin-top:34px;
  padding:40px 0 30px;text-align:center;
  color:var(--muted);font-size:.88rem;
  border-top:none;
  background:linear-gradient(180deg,rgba(17,26,46,.55),rgba(11,18,32,.95));
}
/* footer ke upar chamakti hui gradient line */
.site-footer::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:min(560px,72%);height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--accent-2),var(--accent),transparent);
  opacity:.85;
}
.site-footer p:first-child strong{
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.footer-links{
  margin-top:16px;font-size:.84rem;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:4px 7px;
}
.footer-links a{
  color:var(--muted);text-decoration:none;
  padding:7px 13px;border-radius:10px;
  border:1px solid transparent;
  transition:.22s;
}
.footer-links a:hover{
  color:#fff;transform:translateY(-2px);
  background:rgba(34,197,94,.12);
  border-color:rgba(34,197,94,.35);
}
.tiny{
  font-size:.75rem;opacity:.75;
  max-width:620px;margin:16px auto 0;
  padding-top:13px;border-top:1px dashed var(--line);
}

/* ===== Inner Pages (About / Contact / Privacy) ===== */
.page-hero{
  padding:56px 0 44px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(34,197,94,.10),transparent);
}
.page-hero h1{margin-bottom:8px}
.page-content{max-width:820px}
.page-content p{color:var(--muted);margin-bottom:16px;font-size:.96rem}
.page-content h2{margin:28px 0 10px;font-size:1.25rem}
.page-content h2:first-child{margin-top:0}
.page-content h3{margin:18px 0 8px;font-size:1.05rem}
.page-content a{color:var(--accent-2)}
.check-list{list-style:none;margin:12px 0 18px}
.check-list li{color:var(--muted);font-size:.95rem;margin-bottom:9px}
.check-list a{color:var(--accent-2);text-decoration:none;font-weight:600}
.check-list a:hover{text-decoration:underline}
.cta-box{
  margin-top:30px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;text-align:center;
}
.cta-box h3{margin:0 0 14px}
.cta-btn{display:inline-block;width:auto;padding:12px 26px;text-decoration:none}

/* ===== Contact Page ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:start}
.contact-info p{color:var(--muted);margin-bottom:14px}
.contact-form-card h3{margin-bottom:18px}
.contact-form-card input,.contact-form-card textarea{
  width:100%;padding:13px 15px;font-family:inherit;font-size:.95rem;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;
  color:#fff;outline:none;margin-bottom:15px;resize:vertical;transition:border-color .2s;
}
.contact-form-card input:focus,.contact-form-card textarea:focus{
  border-color:var(--accent-2);box-shadow:0 0 0 3px rgba(56,189,248,.18);
}

/* ===== Admin Panel ===== */
.site-notice{
  width:min(1120px,92%);margin:14px auto 0;
  background:linear-gradient(160deg,rgba(56,189,248,.16),rgba(20,31,56,.95));
  border:1px solid rgba(56,189,248,.4);border-radius:12px;
  padding:11px 16px;color:#fff;font-size:.9rem;font-weight:500;
}
.site-notice[hidden]{display:none}

.admin-wrap{max-width:900px}
.admin-card h2{margin-bottom:14px}
.admin-card h3{margin-bottom:12px;font-size:1.05rem}
.admin-card input[type="text"],.admin-card input[type="password"],
.admin-card input[type="number"],.admin-card textarea{
  width:100%;padding:12px 14px;font-family:inherit;font-size:.95rem;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;
  color:#fff;outline:none;margin-bottom:12px;resize:vertical;transition:border-color .2s;
}
.admin-card input:focus,.admin-card textarea:focus{
  border-color:var(--accent-2);box-shadow:0 0 0 3px rgba(56,189,248,.18);
}
.login-err{color:#f87171;font-size:.85rem;margin-bottom:10px;font-weight:600}
.mini-note{color:var(--muted);font-size:.74rem;margin-top:-4px}
.check-line{
  display:flex;align-items:center;gap:9px;color:var(--muted);
  font-size:.86rem;margin-bottom:10px;cursor:pointer;
}
.check-line input{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}

.admin-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
.admin-actions{display:flex;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.admin-actions .copy-btn{width:auto;flex:1;min-width:200px}

.ghost-btn{
  padding:11px 20px;border:1px solid var(--line);border-radius:11px;
  background:var(--bg-soft);color:var(--muted);font-family:inherit;
  font-weight:600;font-size:.88rem;cursor:pointer;transition:.2s;
}
.ghost-btn:hover{color:#fff;border-color:var(--accent);background:rgba(34,197,94,.1)}
.ghost-btn.full{width:100%}

.save-msg{
  background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.4);
  color:#a7f3d0;border-radius:10px;padding:10px 14px;font-size:.87rem;font-weight:600;
  margin-bottom:10px;
}
.save-msg.err{background:rgba(248,113,113,.1);border-color:rgba(248,113,113,.45);color:#fca5a5}
.save-msg[hidden]{display:none}

/* ===== Responsive ===== */
@media (max-width:880px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .info-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .admin-grid{grid-template-columns:1fr}
  .nav{flex-wrap:wrap;gap:10px;padding:15px 0}
  nav{justify-content:flex-end;gap:5px}
  nav a{font-size:.8rem;padding:7px 11px}
  .logo{padding:7px 12px;font-size:.95rem}
  .hero{padding:34px 0 26px}
  th,td{padding:10px 12px;font-size:.86rem}
}