:root{
  --navy: #12182a;
  --navy-2: #1d2540;
  --steel: #626c82;
  --steel-light: #f1f3f7;
  --bg: #f0f1f5;
  --card: #ffffff;
  --line: #e2e5ec;
  --gold: #ffcc00;
  --gold-dark: #e0ad00;
  --gold-ink: #6b4e00;
  --ok: #167a3a;
  --ok-bg: #edf9f1;
  --ok-line: #cdead7;
  --err: #c23636;
  --radius: 16px;
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

*{ box-sizing: border-box; }

html,body{
  margin:0;
  padding:0;
  overflow-x: hidden;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 8% -5%, rgba(18,24,42,0.05), transparent 42%),
    radial-gradient(circle at 105% 105%, rgba(255,204,0,0.14), transparent 46%);
  font-family: var(--font-body);
  color: var(--navy);
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; }

.wrap{
  min-height: 100vh;
  width: 100%;
  display:flex;
  flex-direction: column;
  align-items:center;
  padding: 36px 18px 24px;
}

/* ---------- Brand ---------- */
.brand{
  display:flex;
  flex-direction: column;
  align-items:center;
  gap: 6px;
  margin-bottom: 26px;
  width: 100%;
  max-width: 460px;
}
.brand-logo{
  height: 40px;
  width: auto;
  max-width: min(220px, 60vw);
  object-fit: contain;
  display:block;
}
.brand-subtitle{
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--steel);
}

/* ---------- Card ---------- */
.card{
  width:100%;
  max-width: 460px;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: 0 24px 44px -20px rgba(18,24,42,0.24);
  padding: 30px 26px 26px;
}

.card-head h1{
  font-family: var(--font-display);
  font-size: 21px;
  margin: 0 0 6px;
  color: var(--navy);
}
.card-head p{
  margin: 0 0 20px;
  font-size: 13.5px;
  color: var(--steel);
  line-height:1.5;
}

/* ---------- Kart verisi saklanmaz banner'ı ---------- */
.no-card-banner{
  display:flex;
  gap: 12px;
  align-items:flex-start;
  background: var(--ok-bg);
  border: 1px solid var(--ok-line);
  border-radius: 12px;
  padding: 13px 14px;
  margin-bottom: 22px;
}
.no-card-banner svg{
  flex:none;
  margin-top: 1px;
  color: var(--ok);
}
.no-card-banner strong{
  display:block;
  font-size: 13px;
  color: #124a29;
  margin-bottom: 3px;
}
.no-card-banner span{
  display:block;
  font-size: 12px;
  line-height:1.5;
  color: #2c6a45;
}

/* ---------- Fields ---------- */
.field{ margin-bottom: 16px; }
.row-2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

label{
  display:block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}
label .hint{
  font-weight: 400;
  color: var(--steel);
  font-size: 11.5px;
}

input{
  width:100%;
  padding: 11px 13px;
  font-size: 14.5px;
  font-family: var(--font-body);
  border: 1.5px solid var(--line);
  border-radius: 9px;
  background: #fbfcfd;
  color: var(--navy);
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
input::placeholder{ color: #a7b0bf; }
input:focus{
  outline:none;
  border-color: var(--gold-dark);
  background:#fff;
  box-shadow: 0 0 0 4px rgba(255,204,0,0.22);
}
input.invalid{
  border-color: var(--err);
}
input.invalid:focus{
  box-shadow: 0 0 0 4px rgba(194,54,54,0.14);
}

.amount-input{
  position:relative;
  display:flex;
  align-items:center;
}
.amount-input .currency{
  position:absolute;
  left:13px;
  font-weight:700;
  color: var(--gold-ink);
  font-family: var(--font-display);
  font-size: 16px;
}
.amount-input input{
  padding-left: 32px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.2px;
}

.error{
  display:block;
  min-height: 15px;
  font-size: 11.5px;
  color: var(--err);
  margin-top: 4px;
}

/* ---------- Kart sahibi bölümü ---------- */
.section-divider{
  display:flex;
  align-items:center;
  gap: 10px;
  margin: 22px 0 12px;
}
.section-divider::before,
.section-divider::after{
  content:"";
  flex:1;
  height:1px;
  background: var(--line);
}
.section-divider span{
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--steel);
}

.cardholder-note{
  font-size: 12px;
  line-height: 1.5;
  color: var(--steel);
  background: var(--steel-light);
  border-radius: 9px;
  padding: 10px 12px;
  margin-bottom: 14px;
}
.cardholder-note strong{ color: var(--navy); }

.phone-future-note{
  display:block;
  margin-top: 6px;
  font-size: 11px;
  line-height: 1.5;
  color: var(--gold-ink);
  background: #fff9e0;
  border: 1px solid #ffe58a;
  border-radius: 8px;
  padding: 7px 10px;
}

/* ---------- Submit ---------- */
button#submit-btn{
  width:100%;
  margin-top: 6px;
  padding: 14px 16px;
  border:none;
  border-radius: 11px;
  background: linear-gradient(155deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: var(--navy);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.3px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  box-shadow: 0 10px 22px -8px rgba(224,173,0,0.55);
  transition: transform .12s ease, box-shadow .12s ease, opacity .12s ease;
}
button#submit-btn:hover{ transform: translateY(-1px); }
button#submit-btn:active{ transform: translateY(0); }
button#submit-btn:disabled{
  opacity: 0.7;
  cursor: not-allowed;
  transform:none;
}

.btn-spinner{
  width:16px;height:16px;
  border-radius:50%;
  border: 2px solid rgba(18,24,42,0.25);
  border-top-color: var(--navy);
  animation: spin .7s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }

.form-message{
  min-height: 18px;
  text-align:center;
  font-size: 13px;
  margin: 12px 0 0;
  color: var(--err);
}
.form-message.ok{ color: var(--ok); }

.secure-note{
  margin-top: 18px;
  display:flex;
  align-items:center;
  gap:8px;
  font-size: 11.5px;
  color: var(--steel);
  line-height: 1.4;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.secure-note svg{ flex:none; color: var(--steel); }

.foot{
  margin-top: 22px;
  font-size: 11.5px;
  color: var(--steel);
}

/* ================= Tutar Onay Penceresi ================= */
.confirm-overlay{
  position: fixed;
  inset: 0;
  background: rgba(18,24,42,0.55);
  backdrop-filter: blur(2px);
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 20px;
  z-index: 100;
  animation: fadeIn .15s ease;
}
/* KRİTİK: [hidden] özniteliği, üstteki display:flex kuralı tarafından
   ezilmesin diye burada açıkça display:none ile yeniden zorunlu kılınıyor.
   Aksi halde tarayıcı, class seçicisini hidden özniteliğine tercih edip
   pencereyi sayfa yüklenir yüklenmez gösterebiliyor. */
.confirm-overlay[hidden]{
  display: none;
}
@keyframes fadeIn{ from{ opacity:0; } to{ opacity:1; } }

.confirm-modal{
  width:100%;
  max-width: 380px;
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px 26px 24px;
  text-align:center;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.35);
  animation: popIn .18s ease;
}
@keyframes popIn{
  from{ opacity:0; transform: translateY(8px) scale(0.98); }
  to{ opacity:1; transform: translateY(0) scale(1); }
}

.confirm-icon{
  width:48px;height:48px;
  border-radius:50%;
  background: #fff9e0;
  color: var(--gold-ink);
  display:flex;align-items:center;justify-content:center;
  margin: 0 auto 14px;
}

.confirm-modal h2{
  font-family: var(--font-display);
  font-size: 18px;
  margin: 0 0 10px;
  color: var(--navy);
}

.confirm-amount{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 34px;
  color: var(--navy);
  margin: 0 0 18px;
}
.confirm-amount .currency{
  font-size: 20px;
  color: var(--gold-ink);
  margin-right: 4px;
  vertical-align: 5px;
}

.confirm-details{
  text-align:left;
  background: var(--steel-light);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 16px;
}
.confirm-details > div{
  display:flex;
  justify-content:space-between;
  gap: 10px;
  padding: 6px 0;
  font-size: 13px;
}
.confirm-details > div:not(:last-child){
  border-bottom: 1px solid #e4e7ee;
}
.confirm-details span{ color: var(--steel); }
.confirm-details strong{ color: var(--navy); font-weight:600; text-align:right; }

.confirm-warning{
  font-size: 11.5px;
  color: var(--steel);
  line-height: 1.5;
  margin: 0 0 18px;
}

.confirm-actions{
  display:grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 10px;
}

.btn-secondary{
  padding: 12px 14px;
  border-radius: 10px;
  border: 1.5px solid var(--line);
  background: #fff;
  color: var(--navy);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  cursor:pointer;
  transition: background .12s ease;
}
.btn-secondary:hover{ background: var(--steel-light); }

.btn-primary{
  padding: 12px 14px;
  border-radius: 10px;
  border:none;
  background: linear-gradient(155deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: var(--navy);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  box-shadow: 0 8px 18px -8px rgba(224,173,0,0.55);
  transition: transform .12s ease;
}
.btn-primary:hover{ transform: translateY(-1px); }
.btn-primary:disabled{ opacity:0.7; cursor:not-allowed; transform:none; }

@media (max-width: 420px){
  .row-2{ grid-template-columns: 1fr; }
  .card{ padding: 24px 18px 20px; }
  .confirm-actions{ grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
}