:root{
  --login-navy:#06182a;
  --login-blue:#0b75c9;
  --login-blue-2:#1459bb;
  --login-gold:#e0b84f;
  --login-line:#dbe5ef;
  --login-sunpet:url("https://www.yerlituket.com/images/brand/sunpet.jpg");
  --login-station:url("https://fibhabercom.teimg.com/fibhaber-com/uploads/2024/12/whatsapp-image-2024-12-24-at-165240.jpeg");
}
html,body{min-height:100%;margin:0}
body.login-page{
  min-height:100vh;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  background:
    linear-gradient(90deg,rgba(3,19,35,.90) 0%,rgba(4,24,44,.76) 42%,rgba(5,29,53,.38) 68%,rgba(5,24,44,.40) 100%),
    var(--login-station) center 46%/cover fixed no-repeat;
  color:#fff;
}
body.login-page::after{
  content:"Sistem Geliştirici · Kiarmin Delkhoun";
  position:fixed;
  right:18px;
  bottom:11px;
  z-index:4;
  font-size:9px;
  font-weight:600;
  letter-spacing:.035em;
  color:rgba(255,255,255,.46);
  text-shadow:0 1px 4px rgba(0,0,0,.35);
  pointer-events:none;
  user-select:none;
}
.login-shell{
  position:relative;
  min-height:100vh;
  display:grid;
  grid-template-columns:minmax(0,1.12fr) minmax(390px,.72fr);
  gap:44px;
  align-items:center;
  padding:42px clamp(34px,5.2vw,86px);
  overflow:hidden;
}
.login-shell:before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(circle at 14% 12%,rgba(35,131,215,.12),transparent 24%),
    radial-gradient(circle at 72% 82%,rgba(224,184,79,.08),transparent 20%);
}
.login-hero,.loginbox{position:relative;z-index:1}
.login-hero{max-width:790px;align-self:center;padding-top:10px}
.login-station-id{display:flex;align-items:center;gap:16px;margin-bottom:70px}
.login-station-mark{width:54px;height:54px;border-radius:18px;border:1px solid rgba(255,255,255,.18);display:grid;place-items:center;background:linear-gradient(145deg,#0d3b68,#08223d);box-shadow:0 16px 34px rgba(0,0,0,.22)}
.login-station-mark:before{content:"";width:20px;height:28px;border-radius:70% 35% 70% 35%;border:4px solid var(--login-gold);transform:rotate(20deg);box-shadow:inset 0 0 0 2px rgba(255,255,255,.04)}
.login-station-copy{display:grid;gap:3px}.login-station-copy b{font-size:28px;letter-spacing:.025em}.login-station-copy small{font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:#f0d994;font-weight:850}
.login-hero-kicker{display:flex;align-items:center;gap:12px;color:#f1c75e;font-size:12px;letter-spacing:.16em;font-weight:900;text-transform:uppercase}
.login-hero-kicker:before{content:"";width:42px;height:2px;background:#e0b84f;border-radius:99px}
.login-hero h1{max-width:760px;margin:22px 0 18px;font-size:clamp(42px,4.25vw,70px);line-height:1.03;letter-spacing:-.05em;font-weight:950;text-shadow:0 4px 28px rgba(0,0,0,.30)}
.login-hero h1 em{font-style:normal;color:#f0bf48}
.login-hero p{max-width:700px;margin:0;color:rgba(255,255,255,.86);font-size:16px;line-height:1.68;text-shadow:0 2px 14px rgba(0,0,0,.25)}
.login-features{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;max-width:760px;margin-top:32px}
.login-feature{display:flex;align-items:center;gap:10px;padding:13px 14px;border:1px solid rgba(255,255,255,.13);border-radius:16px;background:rgba(7,28,49,.34);backdrop-filter:blur(8px);box-shadow:inset 0 1px 0 rgba(255,255,255,.04)}
.login-feature i{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.08);font-style:normal;font-size:15px;color:#d7eaff}.login-feature span{font-size:11px;line-height:1.3;font-weight:780;color:#edf4fa}
.login-motto{display:flex;align-items:center;gap:12px;margin-top:54px;color:#dbe7f0;font-size:12px}.login-motto:before{content:"";width:38px;height:2px;background:#e0b84f;border-radius:99px}

.loginbox{
  width:100%;
  max-width:520px;
  justify-self:end;
  background:rgba(255,255,255,.965);
  color:#13273e;
  border:1px solid rgba(255,255,255,.72);
  border-radius:28px;
  padding:30px 31px 26px;
  box-shadow:0 30px 90px rgba(0,0,0,.25);
  backdrop-filter:blur(16px);
}
.loginbox:before{content:"";position:absolute;left:30px;right:30px;top:0;height:3px;border-radius:0 0 9px 9px;background:linear-gradient(90deg,#0b75c9,#e0b84f,#0b75c9)}
.login-brand{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.login-brand-mark{width:72px;height:62px;flex:0 0 auto;border:1px solid #e0e7ee;border-radius:17px;background:#fff var(--login-sunpet) center/88% auto no-repeat;box-shadow:0 10px 25px rgba(18,57,95,.08);font-size:0}
.login-title{font-size:27px;font-weight:950;letter-spacing:-.035em;color:#10263f}
.login-subtitle{margin-top:4px;font-size:12px;color:#7c8a99}
.login-field{margin-top:15px}.login-field label{display:block;margin-bottom:7px;font-size:11px;font-weight:850;color:#3f5368}
.login-field input{width:100%;height:52px;border:1px solid #d4e0eb;border-radius:13px;padding:0 14px;background:#f9fbfd;color:#142a43;outline:none;box-sizing:border-box;transition:.16s ease}
.login-field input:focus{border-color:#5aa9df;background:#fff;box-shadow:0 0 0 4px rgba(26,132,207,.10)}
.login-submit{width:100%;min-height:54px;margin-top:20px;border:0;border-radius:14px;background:linear-gradient(145deg,#0b78cf,#124eac);color:#fff;font-size:14px;font-weight:900;box-shadow:0 13px 26px rgba(13,94,175,.22);cursor:pointer;transition:.16s ease}.login-submit:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(13,94,175,.28)}
.login-help{text-align:center;color:#8b98a5;font-size:10px;line-height:1.5;margin:13px 0 0}
.login-card-identity{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:20px;padding-bottom:17px;border-bottom:1px solid #edf1f5}.login-card-identity strong{font-size:12px;color:#183651}.login-card-identity span{font-size:10px;color:#8a98a7}.login-mini-sunpet{width:76px;height:37px;background:var(--login-sunpet) center/contain no-repeat;flex:0 0 auto}
.flash{padding:10px 12px;border-radius:11px;margin-bottom:12px;font-size:12px;font-weight:760}.flash.danger{background:#fff0f0;color:#a22929}.flash.success{background:#edf8f1;color:#247344}

@media(max-width:1050px){
  .login-shell{grid-template-columns:1fr minmax(360px,460px);padding:30px 32px}.login-station-id{margin-bottom:48px}.login-features{grid-template-columns:repeat(2,minmax(0,1fr))}.login-hero h1{font-size:48px}
}
@media(max-width:820px){
  body.login-page{background-position:center center}.login-shell{grid-template-columns:1fr;padding:22px}.login-hero{display:none}.loginbox{justify-self:center;max-width:500px}.login-card-identity{display:flex}
}
@media(max-width:520px){
  .login-shell{padding:14px}.loginbox{padding:25px 20px 22px;border-radius:22px}.login-brand-mark{width:62px;height:54px}.login-title{font-size:23px}.login-card-identity{align-items:flex-start;flex-direction:column}.login-mini-sunpet{width:68px}
  body.login-page::after{right:12px;bottom:8px;font-size:8px;color:rgba(255,255,255,.40)}
}