/* Admin login — form tài khoản / mật khẩu (khác seller 4 ký tự) */
.admin-login-page {
    padding: 140px 0 80px;
}

.admin-login-card {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    border: 2px solid #0072bb;
    border-radius: 14px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 8px 32px rgba(13, 110, 253, 0.12);
}

.admin-login-card-header {
    background: linear-gradient(135deg, #0072bb 0%, #0072bb 100%);
    color: #fff;
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    padding: 18px 20px;
    line-height: 1.35;
}

.admin-login-card-header small {
    display: block;
    margin-top: 6px;
    font-size: 14px;
    font-weight: 500;
    opacity: 0.92;
}

.admin-login-card-body {
    padding: 32px 28px 36px;
    text-align: left;
}

.admin-login-error {
    background: #fff5f5;
    border: 1px solid #f5c2c7;
    color: #b02a37;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 14px;
    margin-bottom: 20px;
    text-align: center;
}

.admin-login-field {
    margin-bottom: 18px;
}

.admin-login-field label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.admin-login-field label i {
    margin-right: 6px;
    color: #0072bb;
    width: 16px;
    text-align: center;
}

.admin-login-input {
    width: 100%;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    padding: 12px 14px;
    font-size: 16px;
    outline: none;
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.admin-login-input:focus {
    border-color: #0072bb;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.2);
}

.admin-login-input::placeholder {
    color: #adb5bd;
    font-weight: 400;
}

.admin-login-submit {
    width: 100%;
    margin-top: 8px;
    padding: 12px 16px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    background: #0072bb;
    color: #fff;
    cursor: pointer;
    transition: background 0.2s;
}

.admin-login-submit:hover {
    background: #0072bb;
}

.admin-login-submit:active {
    background: #0072bb;
}

.admin-login-submit i {
    margin-right: 8px;
}

.admin-login-hint {
    margin-top: 16px;
    font-size: 13px;
    color: #6c757d;
    text-align: center;
    line-height: 1.5;
}

@media (max-width: 767px) {
    .admin-login-page {
        padding: 90px 15px 40px;
    }

    .admin-login-card {
        max-width: 100%;
    }

    .admin-login-card-header {
        font-size: 20px;
        padding: 16px;
    }

    .admin-login-card-body {
        padding: 24px 20px 28px;
    }
}