* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    background:
        radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.35), transparent 32%),
        radial-gradient(circle at 80% 80%, rgba(168, 85, 247, 0.30), transparent 34%),
        linear-gradient(135deg, #020617, #0f172a);
    color: white;
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    padding: 20px;
}

.login-shell {
    width: min(1080px, 100%);
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 34px;
    overflow: hidden;
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(24px);
}

.hero {
    padding: 54px;
    background:
        linear-gradient(135deg, rgba(56, 189, 248, 0.18), rgba(168, 85, 247, 0.12)),
        rgba(255, 255, 255, 0.04);
}

.logo {
    display: inline-flex;
    gap: 12px;
    align-items: center;
    padding: 12px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.12);
    margin-bottom: 34px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: linear-gradient(135deg, #38bdf8, #a855f7);
    font-size: 22px;
}

.logo-caption {
    color: #94a3b8;
    font-size: 12px;
}

h1 {
    font-size: 54px;
    line-height: 0.95;
    letter-spacing: -0.06em;
    margin: 0 0 18px;
}

.hero p {
    color: #cbd5e1;
    font-size: 17px;
    line-height: 1.7;
    max-width: 560px;
}

.features {
    margin-top: 34px;
    display: grid;
    gap: 12px;
}

.feature {
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.10);
    color: #dbeafe;
}

.form-side {
    padding: 54px 42px;
    background: rgba(2, 6, 23, 0.48);
}

.form-card h2 {
    margin: 0 0 8px;
    font-size: 28px;
    letter-spacing: -0.04em;
}

.form-card .sub {
    color: #94a3b8;
    margin-bottom: 28px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #cbd5e1;
    font-weight: 700;
    font-size: 13px;
}

input {
    width: 100%;
    padding: 15px 16px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.08);
    color: white;
    outline: none;
    margin-bottom: 18px;
    font-size: 15px;
}

input:focus {
    border-color: #38bdf8;
    box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.12);
}

button {
    width: 100%;
    padding: 15px;
    border-radius: 16px;
    border: 0;
    color: white;
    font-weight: 900;
    cursor: pointer;
    background: linear-gradient(135deg, #0284c7, #7c3aed);
    box-shadow: 0 16px 38px rgba(56, 189, 248, 0.20);
    transition: 0.2s;
}

button:hover {
    transform: translateY(-1px);
}

.error {
    background: rgba(239, 68, 68, 0.14);
    border: 1px solid rgba(239, 68, 68, 0.28);
    color: #fecaca;
    padding: 12px;
    border-radius: 14px;
    margin-bottom: 18px;
}

.hint {
    margin-top: 18px;
    color: #94a3b8;
    font-size: 13px;
}

#gkInactiveAccountModalV19 {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.42);
    backdrop-filter: blur(5px);
}

#gkInactiveAccountModalV19.gk-show {
    display: flex;
}

#gkInactiveAccountModalV19 .gk-inactive-card {
    min-width: 320px;
    max-width: 92vw;
    padding: 28px 34px;
    border-radius: 22px;
    background: rgba(15, 23, 42, 0.96);
    border: 1px solid rgba(248, 113, 113, 0.45);
    box-shadow: 0 26px 80px rgba(0, 0, 0, 0.45);
    text-align: center;
    color: #fff;
    animation: gkInactivePopV19 0.18s ease-out;
}

#gkInactiveAccountModalV19 .gk-inactive-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 14px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(239, 68, 68, 0.16);
    border: 1px solid rgba(248, 113, 113, 0.5);
    color: #fca5a5;
    font-size: 26px;
    font-weight: 900;
}

#gkInactiveAccountModalV19 .gk-inactive-title {
    font-size: 22px;
    line-height: 1.25;
    font-weight: 900;
    letter-spacing: 0.2px;
}

#gkInactiveAccountModalV19 .gk-inactive-sub {
    margin-top: 8px;
    color: #cbd5e1;
    font-size: 13px;
}

@keyframes gkInactivePopV19 {
    from {
        transform: translateY(8px) scale(0.96);
        opacity: 0;
    }

    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

@media (max-width: 900px) {
    .login-shell {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 40px;
    }

    .hero,
    .form-side {
        padding: 32px;
    }
}