body.admin-login {
    min-height: 100vh;
    margin: 0;
    background:
        radial-gradient(1200px 600px at 10% 10%, rgba(23, 113, 56, 0.25), transparent 60%),
        radial-gradient(1000px 500px at 90% 90%, rgba(10, 67, 140, 0.2), transparent 60%),
        linear-gradient(135deg, #f3f8ff 0%, #eef5f0 45%, #f9f4eb 100%);
    font-family: "Open Sans", sans-serif;
    color: #132;
}

.admin-login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.admin-login-card {
    width: 100%;
    max-width: 560px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 18px 46px rgba(17, 35, 68, 0.2);
    overflow: hidden;
}

.admin-login-brand {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 26px 28px;
    background: linear-gradient(120deg, #0a6d36 0%, #118649 45%, #15549e 100%);
    color: #fff;
}

.admin-login-brand h1 {
    margin: 0;
    font-size: 2.1rem;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.admin-login-brand p {
    margin: 8px 0 0;
    font-size: 0.95rem;
    opacity: 0.95;
}

.share-badge {
    white-space: nowrap;
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: rgba(255, 255, 255, 0.14);
}

.admin-login-form {
    padding: 28px;
}

.admin-login-form h3 {
    margin: 0;
    font-size: 1.35rem;
    color: #112;
    font-weight: 700;
}

.admin-login-form > p {
    margin: 8px 0 18px;
    color: #536173;
}

.admin-login-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 14px;
}

.admin-login-logo img {
    width: 84px;
    height: 84px;
    object-fit: contain;
    border-radius: 50%;
    border: 3px solid #e7eef8;
    background: #fff;
    padding: 8px;
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.12);
}

.admin-login-form .form-control {
    border-radius: 10px;
    border: 1px solid #ccd7e6;
    height: 48px;
    font-size: 1rem;
    box-shadow: none;
}

.admin-login-form .form-control:focus {
    border-color: #1d7f3f;
    box-shadow: 0 0 0 3px rgba(29, 127, 63, 0.14);
}

#login_submit {
    height: 48px;
    border-radius: 10px;
    border: none;
    font-weight: 700;
    background: linear-gradient(120deg, #0f7a3f, #0f8e49);
}

#login_submit:hover {
    background: linear-gradient(120deg, #0d6636, #0f7f42);
}

#message {
    min-height: 24px;
    margin: 0 0 8px;
    color: #b3261e;
    font-weight: 600;
}

.admin-login-footer {
    margin-top: 18px;
    color: #6f7d90;
    text-align: center;
    font-size: 0.88rem;
}

@media (max-width: 640px) {
    .admin-login-shell {
        padding: 12px;
    }

    .admin-login-brand {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
    }

    .admin-login-form {
        padding: 20px;
    }
}