/* Secure Access Gateway — public login (English only, no internal detail) */
*,*::before,*::after{box-sizing:border-box}

/* `hidden` yalnizca tarayici varsayilan stiliyle calisir; yazar stilindeki her
   `display` tanimi onu ezer. Bu kural olmadan adim gecisleri ust uste biner. */
[hidden]{display:none!important}

:root{
  --bg:#05070c; --bg-2:#080b12; --surface:#0d111a; --surface-2:#121826;
  --line:#1b2333; --line-soft:#141b28;
  --text:#e9eef7; --muted:#8994a8; --muted-2:#68748a;
  --accent:#3b82f6; --accent-2:#2563eb; --accent-soft:rgba(59,130,246,.12);
  --ok:#2fa36b; --warn:#c9922a; --err:#d0454b;
  --radius:11px; --radius-lg:16px;
  --shadow:0 24px 64px rgba(0,0,0,.6);
  --font:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
  --mono:'Cascadia Mono','SF Mono',Consolas,monospace;
}
html,body{height:100%}
body{
  margin:0;font-family:var(--font);background:var(--bg);color:var(--text);
  -webkit-font-smoothing:antialiased;font-size:15px;line-height:1.55;
}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ---------- layout ---------- */
.shell{min-height:100vh;display:grid;grid-template-columns:1.08fr .92fr}
.panel{display:flex;align-items:center;justify-content:center;padding:48px 40px;position:relative}

/* ---------- brand panel ---------- */
.panel-brand{
  overflow:hidden;border-right:1px solid var(--line-soft);
  background:
    radial-gradient(1100px 620px at 10% 6%, rgba(59,130,246,.13), transparent 62%),
    radial-gradient(760px 520px at 92% 96%, rgba(37,99,235,.07), transparent 64%),
    linear-gradient(162deg,#070a11 0%,#0a0e17 52%,#06080e 100%);
}
.grid-overlay{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 46% 38%,#000 18%,transparent 76%);
  -webkit-mask-image:radial-gradient(ellipse at 46% 38%,#000 18%,transparent 76%);
}
.brand-inner{position:relative;z-index:1;max-width:452px;width:100%}
.mark{
  width:58px;height:58px;border-radius:15px;display:grid;place-items:center;
  font-weight:800;font-size:20px;letter-spacing:.6px;color:#fff;flex:none;overflow:hidden;
  background:linear-gradient(145deg,var(--accent),var(--accent-2));
  box-shadow:0 10px 30px rgba(59,130,246,.26);
}
.mark.small{width:46px;height:46px;border-radius:12px;font-size:16px}
.mark.has-logo{background:none;box-shadow:none;font-size:0}
.mark.has-logo img{width:100%;height:100%;object-fit:cover;display:block;border-radius:inherit}

.eyebrow{
  margin:26px 0 10px;font-size:11px;font-weight:700;letter-spacing:2.4px;
  text-transform:uppercase;color:var(--muted-2);
}
.brand-title{margin:0 0 14px;font-size:38px;line-height:1.16;font-weight:700;letter-spacing:-.8px}
.brand-lead{margin:0 0 34px;color:var(--muted);font-size:15px;max-width:40ch}

.signals{list-style:none;margin:0;padding:0;display:grid;gap:18px}
.signals li{display:flex;align-items:flex-start;gap:13px}
.signals strong{display:block;font-size:14px;font-weight:600;color:#cfd8e6}
.signals small{display:block;font-size:12.5px;color:var(--muted-2);margin-top:2px}
.dot{
  width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none;margin-top:7px;
  box-shadow:0 0 0 4px var(--accent-soft);
}
.legal{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line-soft);
  color:var(--muted-2);font-size:12px;line-height:1.6;max-width:44ch;
}

/* ---------- form panel ---------- */
.panel-form{background:var(--bg-2)}
.form-wrap{width:100%;max-width:400px}
.form-head{margin-bottom:24px}
.logo-slot{margin-bottom:22px}
.logo-slot img{max-height:52px;max-width:190px;object-fit:contain;display:block}
.form-head .eyebrow{margin:0 0 8px}
.form-head h2{margin:0 0 6px;font-size:23px;font-weight:650;letter-spacing:-.3px}
.muted{color:var(--muted);font-size:14px;margin:0}

.alert{
  margin-bottom:18px;padding:11px 14px;border-radius:10px;font-size:13.5px;
  background:rgba(208,69,75,.10);border:1px solid rgba(208,69,75,.32);color:#f0a3a6;
}
.alert.info{background:var(--accent-soft);border-color:rgba(59,130,246,.32);color:#9cc4fb}

.field{display:block;margin-bottom:16px}
.field>span{
  display:block;font-size:12.5px;font-weight:600;color:#a3aec1;margin-bottom:7px;letter-spacing:.2px;
}
input[type=text],input[type=password]{
  width:100%;padding:11px 13px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--surface);color:var(--text);
  font-size:14.5px;font-family:inherit;outline:none;
  transition:border-color .14s,box-shadow .14s,background .14s;
}
input::placeholder{color:#3f4a5d}
input:focus{border-color:var(--accent);background:var(--surface-2);box-shadow:0 0 0 3px var(--accent-soft)}
input:disabled{opacity:.55;cursor:not-allowed}

.input-group{position:relative;display:flex;align-items:center}
.input-group input{padding-right:44px}
.icon-btn{
  position:absolute;right:5px;width:34px;height:34px;display:grid;place-items:center;
  background:none;border:0;border-radius:8px;color:var(--muted);cursor:pointer;
  transition:color .14s,background .14s;
}
.icon-btn:hover{color:var(--text);background:rgba(255,255,255,.05)}
.icon-btn.on{color:var(--accent)}

.code-input{
  letter-spacing:.42em;font-size:20px;text-align:center;font-weight:600;
  font-variant-numeric:tabular-nums;padding:13px;
}
.code-input::placeholder{letter-spacing:.42em;color:#333d4d}

.btn-primary{
  width:100%;margin-top:6px;padding:12px 16px;border:0;border-radius:var(--radius);
  background:linear-gradient(180deg,var(--accent),var(--accent-2));color:#fff;
  font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:9px;
  box-shadow:0 6px 20px rgba(59,130,246,.24);transition:filter .14s;
}
.btn-primary:hover:not(:disabled){filter:brightness(1.08)}
.btn-primary:disabled{opacity:.6;cursor:not-allowed;box-shadow:none}
.btn-ghost{
  width:100%;margin-top:10px;padding:10px 16px;border:1px solid var(--line);
  border-radius:var(--radius);background:transparent;color:var(--muted);
  font-size:14px;font-family:inherit;cursor:pointer;transition:color .14s,border-color .14s;
}
.btn-ghost:hover{color:var(--text);border-color:#26304a}

.spinner{
  width:15px;height:15px;border-radius:50%;flex:none;
  border:2px solid rgba(255,255,255,.35);border-top-color:#fff;
  animation:spin .6s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.step-note{color:var(--muted);font-size:14px;margin:0 0 18px}
.hint{color:var(--muted-2);font-size:12.5px;margin:14px 0 0;text-align:center}

.qr-box{display:grid;place-items:center;padding:14px;background:#fff;border-radius:var(--radius);margin:0 0 14px}
.qr-box img{width:178px;height:178px;display:block}
.secret-row{
  display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;
  padding:10px 13px;background:var(--surface);border:1px solid var(--line);
  border-radius:10px;margin-bottom:16px;
}
.secret-row code{font-family:var(--mono);font-size:12.5px;color:#8fbcfb;word-break:break-all}

.form-foot{
  margin-top:26px;padding-top:18px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.secure-badge{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--muted-2)}
.secure-badge.ok{color:var(--ok)}
.secure-badge.bad{color:var(--warn)}
.foot-meta{font-size:12.5px;color:var(--muted-2);font-variant-numeric:tabular-nums}

/* ---------- toast ---------- */
#toast{
  position:fixed;top:18px;right:18px;z-index:100;display:flex;flex-direction:column;gap:9px;
  max-width:min(370px,calc(100vw - 36px));
}
.t{
  padding:11px 15px;border-radius:10px;font-size:14px;color:var(--text);
  background:var(--surface-2);border:1px solid var(--line);box-shadow:var(--shadow);
  border-left:3px solid var(--muted);
}
.t.success{border-left-color:var(--ok)}
.t.error{border-left-color:var(--err)}
.t.info{border-left-color:var(--accent)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .brand-title{font-size:32px}
  .panel{padding:40px 32px}
}
@media (max-width:900px){
  .shell{grid-template-columns:1fr;min-height:100vh}
  .panel-brand{display:none}
  .panel-form{padding:32px 22px;min-height:100vh}
  .form-wrap{max-width:420px}
  .form-head h2{font-size:21px}
}
@media (max-width:420px){
  .panel-form{padding:24px 16px}
  .form-head h2{font-size:20px}
  .qr-box img{width:150px;height:150px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* Kayit ekraninda "yeni kod uret" ipucu. Yeniden uretim ARTIK OTOMATIK DEGIL:
   her giriste secret degisirse kullanicinin telefonundaki kayit gecersiz kalir. */
.reset-hint{margin-top:12px;font-size:12px;color:var(--muted);text-align:center}
.reset-hint a{color:#7ab4ff;text-decoration:none}
.reset-hint a:hover{text-decoration:underline}