:root{
  --bg:#f4f8ff;
  --surface:#ffffff;
  --text:#10233f;
  --muted:#657994;
  --line:#dce8f4;
  --blue:#0b67d8;
  --blue2:#2394f3;
  --navy:#123a70;
  --soft:#edf5ff;
  --shadow:0 18px 50px rgba(28,82,142,.11);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Tahoma,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 8% 8%,rgba(58,168,255,.13),transparent 26rem),
    radial-gradient(circle at 92% 31%,rgba(255,197,54,.12),transparent 23rem),
    var(--bg);
}
button,select{font:inherit}
a{color:inherit;text-decoration:none}
.page-shell{width:min(1120px,calc(100% - 28px));margin:0 auto;padding:28px 0 18px}
.hero,.tool-card{
  background:rgba(255,255,255,.96);
  border:1px solid rgba(201,221,243,.95);
  border-radius:30px;
  box-shadow:var(--shadow);
}
.hero{
  display:grid;
  grid-template-columns:1.04fr .96fr;
  gap:28px;
  align-items:center;
  padding:28px 32px;
  overflow:hidden;
  background:linear-gradient(145deg,#fff 0%,#eef7ff 100%);
}
.eyebrow{
  display:inline-flex;
  padding:8px 13px;
  border-radius:999px;
  background:#e7f3ff;
  color:var(--blue);
  font-size:13px;
  font-weight:900;
  margin-bottom:12px;
}
.hero h1{margin:0 0 14px;font-size:clamp(30px,4.4vw,50px);line-height:1.17;letter-spacing:-.6px}
.hero p{margin:0;color:var(--muted);font-size:17px;line-height:1.9}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.button{padding:12px 17px;border-radius:14px;font-weight:900}
.button.primary{color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue2));box-shadow:0 10px 24px rgba(11,103,216,.19)}
.button.ghost{background:#fff;border:1px solid var(--line);color:var(--navy)}
.hero-art{display:grid;place-items:center;min-height:330px}
.hero-art img{width:min(100%,455px);display:block;border-radius:24px}
.tool-card{margin-top:22px;padding:24px}
.section-heading{display:flex;align-items:flex-start;gap:14px;margin-bottom:17px}
.icon-badge{width:52px;height:52px;display:grid;place-items:center;flex:0 0 52px;border-radius:16px;background:#eaf4ff;font-size:24px}
.section-heading h2{margin:0 0 5px;font-size:clamp(24px,3vw,32px)}
.section-heading p{margin:0;color:var(--muted);line-height:1.7}
.mode-switch{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
  padding:7px;
  margin-bottom:18px;
  background:#edf3fb;
  border-radius:18px;
}
.mode-btn{
  border:0;
  border-radius:13px;
  padding:14px 12px;
  background:transparent;
  color:#58708f;
  font-weight:900;
  cursor:pointer;
}
.mode-btn.active{background:#fff;color:var(--blue);box-shadow:0 6px 16px rgba(36,79,146,.10)}
.converter-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:15px}
.input-card,.time-box{
  padding:17px;
  border:1px solid var(--line);
  border-radius:20px;
  background:#fbfdff;
}
.field-title{font-weight:900;font-size:17px;margin-bottom:11px}
.time-picker{display:grid;grid-template-columns:1fr 1fr .85fr;gap:9px;direction:ltr}
.time-picker.time-picker-24{grid-template-columns:1fr 1fr}
.time-picker select{
  width:100%;
  height:54px;
  border:1px solid #c9d8e8;
  border-radius:14px;
  background:#fff;
  color:var(--text);
  font-size:19px;
  font-weight:900;
  text-align:center;
  padding:0 8px;
}
.blue-result{
  min-height:170px;
  padding:20px;
  border-radius:22px;
  background:linear-gradient(135deg,var(--blue),var(--blue2));
  color:#fff;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
}
.blue-result span{font-size:13px;font-weight:800;opacity:.9}
.blue-result strong{direction:ltr;font-size:clamp(42px,5vw,62px);line-height:1.05;margin:7px 0 3px}
.blue-result small{font-size:14px;opacity:.95;direction:ltr}
.reference-section{
  margin-top:18px;
  padding-top:17px;
  border-top:1px dashed var(--line);
}
.reference-toggle{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:16px;
  background:linear-gradient(145deg,#f8fbff,#edf6ff);
  color:var(--navy);
  font-weight:900;
  cursor:pointer;
  user-select:none;
}
.reference-toggle::-webkit-details-marker{display:none}
.reference-toggle::after{
  content:"+";
  width:30px;
  height:30px;
  display:grid;
  place-items:center;
  flex:0 0 30px;
  border-radius:10px;
  background:#fff;
  color:var(--blue);
  font-size:22px;
  line-height:1;
  box-shadow:0 4px 12px rgba(36,79,146,.08);
}
.reference-section[open] .reference-toggle::after{content:"−"}
.reference-toggle small{
  margin-inline-start:auto;
  color:var(--muted);
  font-size:12px;
  font-weight:800;
}
.reference-section[open] .reference-toggle small{font-size:0}
.reference-section[open] .reference-toggle small::after{content:"اضغط للإخفاء";font-size:12px}
.table-wrap{
  margin-top:12px;
  width:100%;
  overflow:hidden;
  border-radius:16px;
}
.reference-table{
  width:100%;
  table-layout:fixed;
  border-collapse:separate;
  border-spacing:0;
  border:1px solid var(--line);
  overflow:hidden;
  background:#fff;
}
.reference-table th,.reference-table td{
  width:25%;
  padding:10px 5px;
  text-align:center;
  border-bottom:1px solid var(--line);
  border-left:1px solid #edf2f7;
  white-space:nowrap;
  font-size:clamp(11px,1.8vw,14px);
}
.reference-table th:first-child,.reference-table td:first-child{border-left:0}
.reference-table th{background:#edf6ff;color:var(--navy);font-weight:900}
.reference-table tr:last-child td{border-bottom:0}
.reference-table td{font-weight:800;font-variant-numeric:tabular-nums}
.permission-panel{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.permission-result{
  margin-top:16px;
  padding:20px;
  border-radius:20px;
  background:linear-gradient(135deg,#0d4f9f,#1e8ef2);
  color:#fff;
  text-align:center;
}
.permission-result span{display:block;font-size:14px;font-weight:800;opacity:.9;margin-bottom:5px}
.permission-result strong{display:block;font-size:clamp(28px,4vw,40px);line-height:1.3}
footer{text-align:center;color:#7a8ca2;padding:10px 0 30px;font-size:14px}
@media(max-width:820px){
  .hero,.converter-grid{grid-template-columns:1fr}
  .hero-art{order:-1;min-height:auto}
  .hero-art img{width:min(100%,380px)}
}
@media(max-width:620px){
  .page-shell{width:min(100% - 16px,1120px);padding-top:12px}
  .hero,.tool-card{padding:16px;border-radius:23px}
  .hero{gap:15px}
  .hero h1{font-size:29px}
  .hero p{font-size:15px}
  .hero-art img{border-radius:18px}
  .section-heading{align-items:center}
  .icon-badge{width:46px;height:46px;flex-basis:46px}
  .section-heading h2{font-size:24px}
  .mode-btn{padding:13px 8px}
  .permission-panel{grid-template-columns:1fr}
  .time-picker select{height:51px;font-size:17px}
  .permission-result{padding:17px}
  .reference-toggle{padding:12px 13px}
  .reference-toggle small{display:none}
  .reference-table th,.reference-table td{padding:9px 2px;font-size:11px}
}