:root {
    --ink: #0e1024;
    --ink-2: #171a36;
    --ana: #6c5cff;
    --ana-koyu: #5646f0;
    --vurgu: #ff7a59;
    --metin: #1c1f2e;
    --soluk: #6b7085;
    --cizgi: #e4e6ef;
    --zemin: #f6f7fb;
    --hata: #e5484d;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    color: var(--metin);
    background: #fff;
    -webkit-font-smoothing: antialiased;
}

.giris-sayfa {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    min-height: 100vh;
}

/* ---------- Sol marka paneli ---------- */
.marka-panel {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 48px 64px;
    color: #fff;
    background:
        radial-gradient(900px 500px at 110% -10%, rgba(108, 92, 255, .55), transparent 60%),
        radial-gradient(700px 500px at -20% 110%, rgba(255, 122, 89, .35), transparent 60%),
        linear-gradient(160deg, var(--ink-2), var(--ink));
}
.marka-panel::before {
    content: "";
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
    pointer-events: none;
}
.marka-panel > * { position: relative; }

.logo, .mobil-logo { display: flex; align-items: center; gap: 12px; }
.logo-ikon {
    display: grid; place-items: center;
    width: 42px; height: 42px;
    border-radius: 12px;
    font-size: 20px; color: #fff;
    background: linear-gradient(135deg, var(--ana), var(--vurgu));
    box-shadow: 0 8px 24px rgba(108, 92, 255, .45);
}
.logo-yazi { font-size: 20px; font-weight: 500; letter-spacing: -.2px; }
.logo-yazi b { font-weight: 800; }

.marka-orta { max-width: 480px; }
.marka-orta h1 {
    font-size: 44px; line-height: 1.12; font-weight: 800; letter-spacing: -1.2px;
}
.marka-orta h1 span {
    background: linear-gradient(90deg, #a79dff, var(--vurgu));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.marka-orta > p { margin-top: 16px; color: rgba(255,255,255,.7); font-size: 16px; line-height: 1.6; }

.barkod-kart {
    position: relative;
    margin: 36px 0 32px;
    width: 300px;
    padding: 22px 24px 16px;
    border-radius: 18px;
    background: rgba(255,255,255,.96);
    box-shadow: 0 24px 60px rgba(0,0,0,.35);
    transform: rotate(-3deg);
    overflow: hidden;
}
.barkod { display: flex; align-items: stretch; justify-content: space-between; height: 72px; }
.barkod span { display: block; background: var(--ink); border-radius: 1px; }
.barkod-no { margin-top: 10px; text-align: center; color: var(--ink); font-size: 13px; letter-spacing: 4px; font-weight: 600; }
.tarama-cizgisi {
    position: absolute; left: 12px; right: 12px; height: 2px; top: 20px;
    background: var(--hata);
    box-shadow: 0 0 12px 2px rgba(229, 72, 77, .7);
    animation: tara 2.4s ease-in-out infinite;
}
@keyframes tara { 0%, 100% { top: 18px; } 50% { top: 92px; } }

.ozellikler { list-style: none; display: grid; gap: 14px; }
.ozellikler li { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.85); font-size: 15px; }
.ozellikler i {
    display: grid; place-items: center;
    width: 34px; height: 34px; border-radius: 10px;
    background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
    color: #c3bbff; font-size: 16px;
}
.marka-alt { color: rgba(255,255,255,.45); font-size: 13px; }

/* ---------- Sağ form paneli ---------- */
.form-panel { display: grid; place-items: center; padding: 48px 24px; background: #fff; }
.form-kutu { width: 100%; max-width: 400px; }
.mobil-logo { display: none; margin-bottom: 32px; }
.mobil-logo .logo-yazi { color: var(--metin); }

.form-kutu h2 { font-size: 28px; font-weight: 800; letter-spacing: -.6px; }
.alt-baslik { margin-top: 8px; color: var(--soluk); font-size: 15px; }


form { margin-top: 28px; display: grid; gap: 18px; }
.alan label { display: block; margin-bottom: 8px; font-size: 13.5px; font-weight: 600; }

.girdi { position: relative; display: flex; align-items: center; }
.girdi > i { position: absolute; left: 14px; color: #9aa0b4; font-size: 17px; pointer-events: none; transition: color .15s; }
.girdi input {
    width: 100%; height: 50px;
    padding: 0 46px 0 44px;
    border: 1.5px solid var(--cizgi); border-radius: 12px;
    background: var(--zemin);
    font: inherit; font-size: 15px; color: var(--metin);
    outline: none;
    transition: border-color .15s, box-shadow .15s, background .15s;
}
.girdi select {
    width: 100%; height: 50px;
    padding: 0 44px 0 44px;
    border: 1.5px solid var(--cizgi); border-radius: 12px;
    background: var(--zemin);
    font: inherit; font-size: 15px; color: var(--metin);
    outline: none; cursor: pointer;
    appearance: none; -webkit-appearance: none;
    transition: border-color .15s, box-shadow .15s, background .15s;
}
.girdi select:invalid, .girdi select:has(option[value=""]:checked) { color: #a8adbf; }
.girdi select option, .girdi select optgroup { color: var(--metin); }
.girdi select optgroup { font-weight: 700; }
.girdi select:focus { border-color: var(--ana); background: #fff; box-shadow: 0 0 0 4px rgba(108, 92, 255, .14); }
.girdi select.input-validation-error { border-color: var(--hata); }
.girdi > i.ok { left: auto; right: 16px; font-size: 13px; }

.girdi input::placeholder { color: #a8adbf; }
.girdi input:focus { border-color: var(--ana); background: #fff; box-shadow: 0 0 0 4px rgba(108, 92, 255, .14); }
.girdi:focus-within > i { color: var(--ana); }
.girdi input.input-validation-error { border-color: var(--hata); }

.goster {
    position: absolute; right: 8px;
    width: 34px; height: 34px;
    border: 0; border-radius: 8px; background: transparent;
    color: #8a90a6; font-size: 17px; cursor: pointer;
}
.goster:hover { background: #eceef5; color: var(--metin); }

.hata { display: block; margin-top: 6px; color: var(--hata); font-size: 12.5px; font-weight: 500; }
.hata:empty { display: none; }

.hatirla { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; color: var(--soluk); cursor: pointer; user-select: none; }
.hatirla input { position: absolute; opacity: 0; pointer-events: none; }
.hatirla .kutu {
    display: grid; place-items: center;
    width: 20px; height: 20px; border-radius: 6px;
    border: 1.5px solid #cfd3e0; background: #fff;
    color: transparent; font-size: 16px;
    transition: all .15s;
}
.hatirla input:checked + .kutu { background: var(--ana); border-color: var(--ana); color: #fff; }
.hatirla input:focus-visible + .kutu { box-shadow: 0 0 0 4px rgba(108, 92, 255, .2); }

.giris-btn {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    height: 52px; margin-top: 6px;
    border: 0; border-radius: 12px;
    background: linear-gradient(135deg, var(--ana), var(--ana-koyu));
    color: #fff; font: inherit; font-size: 15.5px; font-weight: 700;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(108, 92, 255, .35);
    transition: transform .15s, box-shadow .15s, filter .15s;
}
.giris-btn:hover { transform: translateY(-1px); box-shadow: 0 14px 30px rgba(108, 92, 255, .42); filter: brightness(1.05); }
.giris-btn:active { transform: translateY(0); }
.giris-btn i { transition: transform .2s; }
.giris-btn:hover i { transform: translateX(3px); }
.giris-btn.yukleniyor { pointer-events: none; opacity: .85; }
.giris-btn.yukleniyor i { animation: don 1s linear infinite; }
.giris-btn.yukleniyor i::before { content: "\f130"; } /* bi-arrow-repeat */
@keyframes don { to { transform: rotate(360deg); } }

.alt-not { margin-top: 28px; text-align: center; color: #9aa0b4; font-size: 13px; }
.alt-not i { margin-right: 4px; }

/* ---------- Hata modalı ---------- */
.modal-perde {
    position: fixed; inset: 0; z-index: 100;
    display: grid; place-items: center; padding: 16px;
    background: rgba(14, 16, 36, .55);
    backdrop-filter: blur(6px);
    animation: perdeAc .2s ease;
}
.modal-kutu {
    width: 100%; max-width: 340px;
    padding: 32px 28px 24px;
    border-radius: 20px;
    background: #fff;
    text-align: center;
    box-shadow: 0 30px 80px rgba(14, 16, 36, .35);
    animation: kutuAc .35s cubic-bezier(.2, .9, .3, 1.2);
}
.modal-ikon {
    display: grid; place-items: center;
    width: 68px; height: 68px; margin: 0 auto 18px;
    border-radius: 50%;
    background: #fff1f1; color: var(--hata);
    font-size: 30px;
    box-shadow: 0 0 0 8px #fff7f7;
    animation: salla .45s ease .25s;
}
.modal-kutu h3 { font-size: 20px; font-weight: 800; letter-spacing: -.3px; }
.modal-kutu p { margin-top: 8px; color: var(--soluk); font-size: 14.5px; line-height: 1.55; }
.modal-sure {
    height: 4px; margin-top: 22px;
    border-radius: 4px; overflow: hidden;
    background: #f0f1f6;
}
.modal-sure span {
    display: block; height: 100%;
    background: linear-gradient(90deg, var(--hata), var(--vurgu));
    transform-origin: left;
    animation: sureAzal 2.5s linear forwards;
}
.modal-perde.kapaniyor { animation: perdeKapa .2s ease forwards; }
.modal-perde.kapaniyor .modal-kutu { animation: kutuKapa .2s ease forwards; }

@keyframes sureAzal { to { transform: scaleX(0); } }
@keyframes perdeAc { from { opacity: 0; } }
@keyframes perdeKapa { to { opacity: 0; } }
@keyframes kutuAc { from { opacity: 0; transform: translateY(16px) scale(.94); } }
@keyframes kutuKapa { to { opacity: 0; transform: translateY(8px) scale(.97); } }
@keyframes salla { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }

/* ---------- Duyarlı ---------- */
@media (max-width: 960px) {
    .giris-sayfa { grid-template-columns: 1fr; }
    .marka-panel { display: none; }
    .mobil-logo { display: flex; }
}