/* WebView / mobil uygulama giriş kabuğu */
:root {
    --wv-ink: #0f172a;
    --wv-navy: #0b2740;
    --wv-blue: #2f6fad;
    --wv-glow: #2f6fad;
    --wv-card: #ffffff;
    --wv-muted: #64748b;
    --wv-border: #e2e8f0;
    --wv-danger: #dc2626;
    --wv-radius: 18px;
    --wv-safe-top: env(safe-area-inset-top, 0px);
    --wv-safe-bottom: env(safe-area-inset-bottom, 0px);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
    margin: 0;
    min-height: 100%;
    min-height: 100dvh;
}

.wv-body {
    font-family: "Figtree", system-ui, -apple-system, sans-serif;
    color: #152433;
    background:
        radial-gradient(900px 420px at 80% -10%, rgba(47,111,173,.12), transparent 55%),
        linear-gradient(165deg, #f8fafc 0%, #eef2f7 45%, #e8eef5 100%);
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
}

.wv-shell {
    min-height: 100dvh;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding:
        calc(28px + var(--wv-safe-top))
        20px
        calc(24px + var(--wv-safe-bottom));
    max-width: 440px;
    margin: 0 auto;
}

.wv-brand {
    text-align: center;
    margin-bottom: 22px;
    color: var(--wv-navy);
}

.wv-logo {
    display: block;
    width: auto;
    height: 48px;
    max-width: min(260px, 80vw);
    object-fit: contain;
    margin: 0 auto 10px;
}

.wv-text-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.55rem;
    letter-spacing: -.03em;
    margin-bottom: 8px;
}

.wv-text-logo i { color: var(--wv-glow); }

.wv-tagline {
    margin: 8px 0 0;
    font-size: .92rem;
    color: var(--wv-muted);
    font-weight: 500;
}

.wv-card {
    background: var(--wv-card);
    border: 1px solid var(--wv-border);
    border-radius: var(--wv-radius);
    padding: 26px 22px 22px;
    box-shadow: 0 12px 40px rgba(15, 23, 42, .08);
}

.wv-title {
    margin: 0 0 4px;
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -.03em;
    color: var(--wv-navy);
}

.wv-sub {
    margin: 0 0 20px;
    color: var(--wv-muted);
    font-size: .92rem;
}

.wv-alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
    border-radius: 12px;
    padding: 12px 14px;
    font-size: .88rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.wv-alert i { margin-top: 2px; color: var(--wv-danger); }

.wv-field { margin-bottom: 14px; }

.wv-label {
    display: block;
    font-size: .8rem;
    font-weight: 700;
    color: #334155;
    margin-bottom: 6px;
}

.wv-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.wv-input-wrap > i {
    position: absolute;
    left: 14px;
    color: #94a3b8;
    font-size: .9rem;
    pointer-events: none;
}

.wv-input {
    width: 100%;
    min-height: 50px;
    border: 1.5px solid var(--wv-border);
    border-radius: 12px;
    padding: 12px 14px 12px 42px;
    font-size: 16px; /* iOS zoom engeli */
    font-family: inherit;
    background: #f8fafc;
    color: #0f172a;
    outline: none;
    transition: border-color .15s, background .15s, box-shadow .15s;
    -webkit-appearance: none;
    appearance: none;
}

.wv-input:focus {
    border-color: var(--wv-blue);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(47,111,173,.15);
}

.wv-btn {
    display: block;
    width: 100%;
    min-height: 52px;
    margin-top: 8px;
    border: 0;
    border-radius: 14px;
    background: linear-gradient(135deg, #2f6fad, #1e4d7b);
    color: #fff !important;
    font-family: inherit;
    font-size: 1.02rem;
    font-weight: 800;
    letter-spacing: .01em;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(30,77,123,.25);
    transition: transform .15s, filter .15s;
    -webkit-appearance: none;
}

.wv-btn:active { transform: scale(.98); }
.wv-btn:hover { filter: brightness(1.05); }

.wv-foot {
    margin: 22px 0 0;
    text-align: center;
    font-size: .75rem;
    color: #94a3b8;
}

@media (min-width: 768px) {
    .wv-shell { padding-top: 48px; padding-bottom: 48px; }
    .wv-card { padding: 32px 28px 28px; }
}