:root {
    --frm-giris-bg: #0b1220;
    --frm-giris-surface: rgba(255, 255, 255, 0.06);
    --frm-giris-border: rgba(255, 255, 255, 0.12);
    --frm-giris-text: #f4f7fb;
    --frm-giris-muted: #9aa8bd;
    --frm-giris-accent: #e6392f;
    --frm-giris-accent-hover: #ff4d42;
    --frm-giris-glow: rgba(230, 57, 47, 0.35);
}

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

.frm_giris-body {
    margin: 0;
    min-height: 100vh;
    font-family: "Plus Jakarta Sans", system-ui, sans-serif;
    color: var(--frm-giris-text);
    background: var(--frm-giris-bg);
    overflow-x: hidden;
}

.frm_giris-bg {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 10% 20%, rgba(230, 57, 47, 0.18), transparent 50%),
        radial-gradient(ellipse 70% 50% at 90% 80%, rgba(59, 130, 246, 0.12), transparent 50%),
        linear-gradient(160deg, #0b1220 0%, #141c2e 50%, #0b1220 100%);
    z-index: 0;
}

.frm_giris-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
    z-index: 0;
}

.frm_giris-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto;
    padding: 2.5rem 2rem 4rem;
}

.frm_giris-brand {
    padding: 1rem 2rem;
}

.frm_giris-logo-img {
    display: block;
    width: 100%;
    max-width: 420px;
    height: auto;
    margin-bottom: 1.25rem;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.4));
}

.frm_giris-logo-img--card {
    display: none;
    max-width: 240px;
    margin: 0 auto 1.25rem;
}

.frm_giris-tagline {
    margin: 0;
    color: var(--frm-giris-muted);
    font-size: 1.05rem;
    line-height: 1.6;
    max-width: 360px;
}

.frm_giris-est {
    margin: 0.75rem 0 0;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.45);
}

.frm_giris-card {
    background: var(--frm-giris-surface);
    border: 1px solid var(--frm-giris-border);
    border-radius: 24px;
    padding: 2.25rem 2rem;
    backdrop-filter: blur(20px);
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.frm_giris-card-header h2 {
    margin: 0 0 0.35rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.frm_giris-card-header span {
    color: var(--frm-giris-muted);
    font-size: 0.95rem;
}

.frm_giris-alert {
    margin-top: 1.25rem;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    background: rgba(230, 57, 47, 0.15);
    border: 1px solid rgba(230, 57, 47, 0.35);
    color: #ffb4ae;
    font-size: 0.9rem;
}

.frm_giris-form {
    margin-top: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.frm_giris-field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.frm_giris-field > span:first-child {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--frm-giris-muted);
}

.frm_giris-field input {
    width: 100%;
    padding: 0.9rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--frm-giris-border);
    background: rgba(0, 0, 0, 0.25);
    color: var(--frm-giris-text);
    font: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.frm_giris-field input::placeholder {
    color: #5c6b82;
}

.frm_giris-field input:focus {
    outline: none;
    border-color: var(--frm-giris-accent);
    box-shadow: 0 0 0 3px var(--frm-giris-glow);
}

.frm_giris-field-error {
    color: #ff8a80;
    font-size: 0.8rem;
}

.frm_giris-submit {
    margin-top: 0.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0.95rem 1.25rem;
    border: none;
    border-radius: 12px;
    font: inherit;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    background: linear-gradient(135deg, var(--frm-giris-accent), #c62828);
    box-shadow: 0 8px 28px var(--frm-giris-glow);
    transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}

.frm_giris-submit:hover {
    background: linear-gradient(135deg, var(--frm-giris-accent-hover), #d32f2f);
    transform: translateY(-1px);
    box-shadow: 0 12px 36px var(--frm-giris-glow);
}

.frm_giris-submit:active {
    transform: translateY(0);
}

.frm_giris-footer {
    position: fixed;
    bottom: 1rem;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.8rem;
    color: var(--frm-giris-muted);
    z-index: 1;
}

@media (max-width: 900px) {
    .frm_giris-wrapper {
        grid-template-columns: 1fr;
        max-width: 440px;
    }

    .frm_giris-brand {
        text-align: center;
        padding: 1rem 0 0;
    }

    .frm_giris-tagline,
    .frm_giris-est {
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }

    .frm_giris-logo-img {
        margin-left: auto;
        margin-right: auto;
    }

    .frm_giris-brand .frm_giris-logo-img {
        display: none;
    }

    .frm_giris-logo-img--card {
        display: block;
    }
}